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E TAI NGHIEN CU KHOA HOC

NGHIEN CU VA THI CONG MO HNH SCADA

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MC TIU TI-Xy dng h gim st v iu khin cho mng li in hth, th hin c cc chc nng c bn: thu thp d liu,hin th, iu khin, qun l.-Thc hin mt m hnh thu nh ca h gim st v iu khin

li cp in h th vi cc chc nng c bn.-Tuy c tham kho nhng gii php khc nhau, trn cc hthng SCADA ca in lc cng nh cng nghip, tuy nhintrong iu kin thc t khi thc hin , ti gii hn trongvic thc hin phm vi mt li in phn phi h th ti

thiu.-Tuy vy, m hnh thc hin vn c th i din cho mt giiphp kh thi vi qui m li in ln hn v mc phc tpcao hn, v chng t kh nng c th c pht trin v hanthin t n cc chc nng cao cp nh cc h SCADAchuyn nghip.

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MC TIU TI1. Giam sat , o va hien th cac thong so dong I, ap U , cong suat S -P-Q ,.. cua li ha the2. Theo doi & phat hien kp thi cac tnh huong s co xay ra tren li ha the bao gom: Cac dang s co ngan mach 1 pha , 2 pha , 3 pha ca tren nhanh chnh cung nh tren tng nhanh tai au cuoi.Cac dang s co mat ap pha (1 pha, 2 pha hay ca 3 pha ) tren nhanh chnh cung nh tren tng nhanh tai au cuoi.

Cac dang s co thap ap va qua ap do bien ong nguon tren li ha the ( do tai ong c khi ong trc tiep , do li ien

nguon khong on nh , ..).

Cac dang s co dong ro xuat hien tren ng day hay dong ro t pha noi vo thiet b (phoi hp viELCB bao ve so lech).3. Kp thi phat tn hieu ieu khien CONTACTOR ngat mach trong cac tnh huong can ngat mach (VD s co ngan m ach hay sco qua tai keo dai ..) nhng CB bao ve cho nhanh tai v ly do nao o khong ngat mach kp.4. Lu tr cac moc thi iem b s co, khoang thi gian nhanh tai phai ngat mach do s co , nguyen nhan ph at sinh s co(qua ap , thap ap , ngan m ach , mat pha hay qua tai keo dai ) cung nh so lan b s co tren nhanh chnh cung nh trentng nhanh tai au cuoi.Neu tang cng them c so ngo INPUT / OUTPUT , co the m rong kha nang theo doi va t ong bu he so cong suatcos cho nhanh chnh cung nh cho tng nhanh tai au cuoi.5. Hien th dang o th (TREND DIAGRAM) gia tr dong I, ap U , cong suat S-P-Q theo thi gian thc tren nhanh chnh cungnh tren tng nhanh tai au cuoi.Co the cho phep ho tr hien th tai cho (thong qua en 7 oan LCD hay en Ma Tran Quang Bao) cac thong so I, U, .. cungnh tnh trang van hanh hien tai cua li ha the.

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MicroSCADA IN HNH

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MicroSCADA IN HNH

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MicroSCADA IN HNH

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SCADA IN HNH

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CHNG 1

AC IEM MANG GIAM SAT LI HA THE HIEN

AI

CHNG 2

XAY DNG LU O VA GIAI THUAT SCADA

GIAM SAT LI HA THE.

CHNG 3

TONG HP KET QUA THC NGHIEM TREN PANEL

SCADA GIAM SAT LI HA THE.

MUC LUC

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Chng 1

AC IEM MANG GIAM SAT

LI HA THE HIEN AI

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AC TNH MANG SCADA GIAM SAT LI HA THE

GIAM SAT VA THU THAP X LY D LIEU.

BAO AM TNH LIEN TUC CUA LI HA THE.

NANG CAO CHAT LNG IEN NANG.

BAO AM AN TOAN LI HA THE.

MUC TIEU LAP AT CUA LI HA THE HIEN AI

NANG CAO MC LINH HOAT KHI S DUNG IEN NANG.

GIAM GIA THANH S DUNG IEN.TIET KIEM CHI PH LAP AT, BAO TR VA NANG CAP.

BAO AM AN TOAN CHO NGI VAN HANH.

CAI THIEN TIEN NGHI KHI VAN HANH LI HA THE.

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CAC IEU CAN BIET OI VI NGI VAN HANH

LI HA THE

CAI AT AY U CAC CHC NANG IEU KHIEN KHI LAP

AT.

NAM VNG CAC TRANG THAI VAN HANH (BAO GOM CAC

KHA NANG IEU KHIEN T XA CUA KH CU, THIET B).

KET NOI TOT MOI PHAN T TRONG MANG HA THE, BAO AM

AP NG NHANH KHI CO S CO.

KHAI THAC VA X LY TOT D LIEU THU THAP.

O VA HIEN TH MOI THONG SO CUA LI PHAN PHOI.

BAO AMAN TOANCHO NGI VA THIET B.

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MANG SCADA GIAM SAT LI HA THE

BAO GOM 4 CHC NANG :

O LNG

HIEN TH

IEU KHIEN

QUAN LY

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CHC NANG O LNG

CHC NANG HIEN TH

CHC NANG IEU

KHIEN

CHC NANG QUAN LY

BAO AM THU THAP AY U D LIEU LIEN QUAN

EN HE THONG PHAN PHOI LI HA THE.

THE HIEN AY U MOI THONG SO LI CUNG NH

KP THI CANH BAO S CO, NEU CO.

CO KHA NANGGIAM SAT VA IEU KHIEN T

XAMOI THANH PHAN CUA LI HA THE.

BAO AM GIAM CHI PH VAN HANH, TANG CNG

TIEN NGHI VA N GIAN HOA CONG TAC BAO TR.

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Chng 02

XAY DNG LU OVA GIAI THUAT SCADAGIAM SAT LI HA-

THE

L1

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L3

N

OL MA

CONTACTOR

T1

MCCB

101

FUSE 1-3

CT 1

FUSE4

FUSE5

FUSE6

CR1

CR2

2

CR3

3

OL1

L2

CR4 CR5 CR6

ELCB

11 21 31

CT 2 CT 3

TAI CAMTAI TR TAI DUNG

MA MA MA

M1 M1 M1 M2 M2 M2 M3 M3 M3

OL2 OL3

S O BO TRMO HNH LI 3 PHA HA THE

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XAY DNG LU O (FLOWCHART) VAN

HANH VA GIAM SAT LI HA THE : Reset START

Van hanh vaThuthap thong so

Yes

Kiem t raieu kienvan hanh

nhanh chnh

AB

Kiem tra sconhanh chnh

AB

Cho vanhanh cacnhanh tai

No

Yes

No

Hien t hthong soli

Kiem t raPower Factor

ieu chnhTUBU

No

Yes

End

Kiem tra sconhanh chnh

AB

Phan loai vaGhi nhan S CO

Yes

No

Cach ly nhanhchnh vacac

nhanh tai

Khac phuc s conhanh chnh A B

Yes

No

Dng H eThongBao ong SCO

Lu o chnh van hanh giam

sat li ien ha the

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START

Van hanh vaThuthap thong sonhanh tai CD

Yes

Kiem tra ieukien van hanhnhanh tai CD

Kiem trasconhanh tai

CD

No

Yes

No

Hien ththong so

li

End


CD


Yes

No

Cach lynhanh tai CD

Khac phuc sconhanh tai CD

Yes

No

Bao ongSCO

Xoa BITSCO

Lu o van hanh & giam satNHANH TAI CD

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START

Van hanh vaThuthap thong sonhanh tai EF

Yes

Kiem tra ieukien van hanhnhanh tai EF


EF

No

Yes

No

Hien ththong so

li

End

Kiem trasconhanh taiEF

Phan loai vaGhi nhan SCO

Yes

No

Cach lynhanh tai EF

Khac phuc sconhanh tai EF

Yes

No

Bao ongSCO

Xoa BITSCO

Lu o van hanh & giam satNHANH TAI EF

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START

Van hanh vaThuthap thong sonhanh tai GH

Yes

Kiem tra ieukien van hanhnhanh tai GH


GH

No

Yes

No

Hien ththong so

li

End

Kiem trasconhanh taiGH


Yes

No

Cach lynhanh tai GH

Khac phuc s conhanh tai GH

Yes

No

Bao ongSCO

Xoa BITSCO

Lu o van hanh & giam satNHANH TAI GH

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START

Phathien s

co

Soquaap = 3

Soquaap = 2

Soquaap = 1

khac phucsco

END

Somatap = 3

Somatap = 2

Somatap = 1

Yes

RESET

Giam satthong soau vao

Scoquadong ,thap dong

Scomat dong

Scoquaap ,thap ap

Scomat ap

No

Xlysco

Xlysco

Xlysco

Xlysco

anh gia,phan loai

sco

Ngat nguonien

No

Yes

Chng trnh conphat hien &khac phuc s co

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START

RESET

Cotn hieutRCD

Yes

No

Cotn hieuquadong

Sophaquadong

= 2

Sconganmach 2 pha

khong cham at

Cotn hieuquadong

Scohpha

Sophaquadong

= 2

Sconganmach 1 pha

Sconganmach 2 pha

cham at

END

Cotn hieuquanhiet

Sophaquadong

= 3

Li van hanh bnhthng (khong s co)

Scongan mach3 pha oi xng

S coquatai(ONG C..)

Yes

Yes

Yes

Yes

YesYes

No

No No

NoNo

No

Chng trnh conphat hienva phan loaicac s co ve dong :

START

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START

RESET

Cap ong

tu= 1

END

Y

NO

YES

0,93Cos

0,94Cos 0,92Cos

Cap ong

tu= 2

Cap ong

tu= 3Cap nha

tu= 1

Cap nha

tu= 2

Cap nha

tu= 3

Theo doi cong suat phan

khang cua hethong li

Tnh toan

dung lng

can bu

Tnh toan

dung lng tu

d can ngat

Chng trnh con theo doiva bu cong suat phan khang:

GIAI THCH THUAT TOAN

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GIAI THCH THUAT TOAN

Khi co yeu cau van hanh, PLC kiem tra trang thai ien ap li e cap ien cho nhanh chnh AB.Khi co s co hoac co yeu cau bao tr sa cha tren nhanh AB , th CB chnh va Contactor chnh se m ; cach ly nhanhchnh AB ra khoi li.Trong ieu kien li va tai van hanh bnh thng , cac contactor tai se c ieu khien ong (hoac tai cho , hoac t manhnh giam sat SCADA) e cap ien cho cac nhanh tai CD , EF & GH .PLC se thu thap va x ly cac tn hieu dong I & ap U tren nhanh chnh va cac nhanh tai e lu nh k vao c s dlieu li , ong thi thng trc hien th cac thong so li nh I , U , S , P , cos .Khi co s co se ghi nhan thi iem , khoang thi gian cung nh v tr nhanh tai nao xay ra s co. PLC cung s e t ongphan loai kieu s co (ngan mach, dong ro hay qua tai ..) e lu vao c s d lieu , ong thi cach ly nha nh tai s cova chuyen he thong sang che o khac phuc s co ieu khien bi ngi ieu hanh li.Khi a nhan c tn hieu bao a giai tr s co , PLC se chuyen nhanh tai a khac phuc xong s co ve tra ng thai dngbnh thng e chuan b a vao van hanh tr lai. Neu s co xay ra tren nhanh chnh , PLC se cach ly toan bo li gomnhanh chnh va cac nhanh tai. Neu s co xay ra tren nhanh tai th ch nhanh tai o c cach ly e ch sa cha ,nhanh chnh va cac nhanh tai khac van van hanh bnh thng.Trong khi li ang van hanh , PLC se nh k kiem tra cos e tien hanh bu t ong khi can thiet.

LU O VAN HANH VA GIAM SAT LI HA THE

GIAI THCH LU O XAC NH CAC LOAI S CO DONG

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oi vi ngan mach 3 pha oi xng va ngan mach 2 pha khong oi xng , ta da vao 3 rle quadong e phat hien.oi vi ngan mach 2 pha cham at , do co xuat hien dong th t khong , nen ta s dung 3 rlequa dong phoi hp vi RCD e phat hien .oi vi s co ngan mach 1 pha cung nh vi s co dong ro hoac h pha , ta da vao tn hieunhan t Rle qua dong va RCD e phat hien , cu the la : Vi s co ngan mach 1 pha , se nhan c ca tn hieu t rle qua dong phoi hp vi tnhieu t RCD. Vi s co dong ro se ch nhan c tn hieu t RCD. Vi s co h pha ch nhan c tn hieu t RCD , trong khi mat tn hieu bao ve t dong day

en tai.Rieng vi tai MOTOR co the them Rle nhiet e bao ve qua tai cho cho ong C . Khi MOTORvan hanh qua tai keo dai, rle nhiet se tac ong cat Contactor 2 .

GIAI THCH LU O XAC NH CAC LOAI S CO DONG

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Trnh phan mem dung van hanh mo hnh thc nghiem SCADA li ha the c viet bang ngonng LADDER co cau truc moun gom: 1 chng trnh chnh (MAST TASK) cha 2 section la SCADA va SCADAPOST cung vi 12 chngtrnh con (subroutines). Moi chng trnh con thc hien 1 chc nang chuyen biet & hoat ong oc lap nhau. Nh ccau truc m theo dang moun , chng trnh se de dang c hieu chnh hay bo sung e phuhp vi cau truc co the bien ong cua li ha the.

Tien ch APPLICATION BROWSER cua phan mem PL7-PRO cho phep ta truy cap de dang chng trnhchnh cung nh cac chng trnh con (HNH 3.5). SECTION SCADA cua chng trnh chnh dung truy xuat thong tin gia PLC ( thong qua cac bien noi%M) vi cac bien au vao %I va au ra %Q. Cac RUNGs t %L0 en %L3 dung ieu khien van hanh hay dng ng mach chnh AB va cacnhanh tai CD, EF , GH . Trong o, ta phai bao am tnh lien ong ve ien, ngha la cac nhanhtai ch co the van hanh khi ng mach chnh a c cap ien (HNH 2.6) :

2.3 PHAN TCH TOM TAT GIAI THUAT :

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2.1 LA CHON CAU HNH PHAN CNG:Cau hnh phan cng dang hnh hoa cho ta chon e mo phong cac thiet

b phan cng that s c s dung trong cau hnh PLC bao gom: bo x

ly Processor, cac modul I/O, cac modul chuyen dung nh modul CTY xxx(Counter),AEYxxx (Analog Input ), CFYxxx ( Stepper Motor ), Simulation (

Simulation ). . v. v. . . . Cac muc di ay i kem vi hnh minh hoa.

Chon bo x ly Processor: TSX Premium 57352 V3.0 Non memory card. Modulnguon bat buoc la PSY 2600. (HNH 2.1).Chon Rack cam: click phai chuot vao v tr ch nh th t cua Rack, vao

dong Replay Rack chon loai TSY RKY8 Non-Extendable 8 Position Rack.

Click up chuot vao khung Modul, man hnh hien ra bang Add Module, chon

tng loai Module theo nhng v tr thch hp tng ng vi cau hnh thc

te, sau o ket thuc bang cach chon muc Confirm cho cau hnh. (HNH

2.2).

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HNH 2.1 : CHON MODULPROCESSOR TSX PREMIUMCHO PLC

HNH 2.2 : KHAI BAO CACMODUL THAM GIA TRONGCAU HNH CUA PLC TSXPREMIUM

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HNH 2.3 : CA SO KHAI BAOCAU HNH CAC KHOICHC NANG CHUYENDUNG CUA PLC TSX PREMIUM

Ngoai ra viec xac nh, hieu chnh lai cac khoi chc nang phan

mem chuyen dung (TIMER, SERIES 7 TIMER, MONOSTABLES,COUNTER, REGISTERS, DRUMS) cho phu hp vi tng muc ch sdung se ho tr rat nhieu cho ng dung lap trnh sau nay: (HNH 2.3)

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HNH 2.5 :TRNH DUYET APPLICATION BROWSER

CHO PHEP TRUY CAP DE DANG CHNG TRNH CHNH (MAST TASK) & CAC CHNG TRNH CON

HNH 2.6 :GIAI THUAT IEU KHIEN

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VAN HANH / DNG MACH CHNH & CAC MACH NHANH

HNH 2.7: GIAI THUAT NHAP TRANG THAI

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DONG AP CUA MACH VAO PLC

HNH 2.8 : XUAT TRANG THAI VAN HANH HIEN THI

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CUA MACH RA CAC TAI EN BAO HIEU AU RA.

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Cac RUNGs t %L5 en %L6dung nhap trang thai dong ap cua cac phan oan vao cac bien noi , sau khi a nhan tn hieu khang nh cac phan oan van hanh an toan (neu co s co th a ckhac phuc xong) : (HNH 2.7)

Cac RUNGs t %L7 en %L10dung xuat trang thai hien hanh cua cac phan oan , t cac biennoi ra cac bien ngo ra e tac ong cac phan t tha hanh au cuoi dung e bao hieu (bao gomcac trang thai van hanh an toan, trang thai dng, trang thai s co , trang thai van hanh cua tngpha,...) (HNH 2.8)

Cac RUNGs t %L0 en %L5dung khi ong li vi s tham gia khi mat ien li cua mayphat d phong. Chng trnh co chu y en thi gian WARM-UP & COOL-DOWN cua may phat : (HNH2.9).

Cac RUNG %L6dung GOI cac chng trnh con %SR0 & %SR1 e kiem tra s co cua cac phanoan : (HNH 2.10)

Cac RUNGs t %L7 en %L9dung xac nh loai s co, thi iem s co, em thi gian s cocung nh xac nh pha b s co,.. trong trng hp phan oan chnh AB b s co : (HNH 2.11)

HNH 2 9 GIAI THUAT IEU KHIEN CAP NGUON CHO MACH HA THE

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HNH 2.9:GIAI THUAT IEU KHIEN CAP NGUON CHO MACH HA THE

HNH 2.10: GIAI THUAT GOI CHNG TRNH CON

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HNH 2.10:GIAI THUAT GOI CHNG TRNH CON

TIEN HANH THU THAP THONG SO S CO CAC NHANH MACH

HNH 2.11:GIAI THUAT XAC NH THI IEM & KHOANG THI GIAN B S CO

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CUA MACH CHNH (NEU ANG GAP S CO)

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Cac RUNGs t %L10 en %L12c viet cho phan oan CD ; RUNGs t %L13 en %L15viet chophan oan EF ; RUNGs t %L16 en %L18viet cho phan oan GHdung xac nh loai s co, thiiem s co, em thi gian s co , so lan b s co cung nh xac nh pha b s co,.. trong trng hpco 1 trong cac phan oan tren b s co : (HNH 2.12).

Cac RUNGs t %L26 en %L29dung xac nh cac thong so dong I, ap pha va ap day U, congsuat bieu kien S, cong suat tac dung P & he so cong suat cos cua tng phan oan : (HNH 2.13).

Chng trnh con %SR0tac ong RESET bao am trang thai van hanh ban au an toan (sau khi dnghoac sau khi khac phuc s co) cho nhanh chnh cung nh cho tng phan oan : (HNH 2.14).

Chng trnh con %SR1co nhiem vu phan loai kieu s co khi co s co xay ra (qua tai hay nganmach, 1 pha-2 pha hay 3 pha,..) va lu ket qua vao bien noi tng ng: (HNH 2.15).

Chng trnh con %SR2 dung cap nhat trang thai cac bit s co cua phan oan AB (t %M3 - %M9)vao cac bit noi cua chng trnh con (t %M91 - %M98). (HNH 2.16)

HNH 2.12:GIAI THUAT XAC NH THI IEM & KHOANG THI GIAN B S CO

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CUA NHANH MACH TAI (NEU ANG GAP S CO)

HNH 2.13:GIAI THUAT XAC NH CAC THONG SO I, U, S, P, COS

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CUA LI HA THE

HNH 2 14 GIAI THUAT IEU KHIEN RESET TOAN BO HE THONG MACH

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HNH 2.14:GIAI THUAT IEU KHIEN RESET TOAN BO HE THONG MACH

HNH 2 15: GIAI THUAT PHAT HIEN & PHAN LOAI DANG S CO

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HNH 2.15:GIAI THUAT PHAT HIEN & PHAN LOAI DANG S CO

HNH 2 16 GIAI THUAT RESET E CAP NHAT TRANG THAI S CO

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HNH 2.16:GIAI THUAT RESET E CAP NHAT TRANG THAI S CO

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Chng trnh con %SR3dung chuyen trang thai cac bien cua chng trnh con kiem tra s co nap vaocac bien noi cua chng trnh chnh . (HNH 2.17) .

Chng trnh con %SR4dung kiem tra s co phan oan CD, bang cach khai thac chng trnh con %SR1e phan loai s co neu co : (HNH 2.18).

Chng trnh con %SR5dung chuyen gia tr trang thai cac bien s co cua chng trnh con %SR1 vecac bien noi s co danh cho phan oan CD chng trnh chnh : (HNH 2.19)

Chng trnh con %SR6dung kiem tra s co phan oan EF, bang cach khai thac chng trnh con %SR1e phan loai s co neu co : (HNH 2.20) .Chng trnh con %SR7dung chuyen gia tr trang thai cac bien s co cua chng trnh con %SR1 vecac bien noi s co danh cho phan oan EF chng trnh chnh ( t %M60 en %M69) : (HNH 2.21) .Chng trnh con %SR8dung kiem tra s co phan oan GH, bang cach khai thac chng trnh con %SR1e phan loai s co neu co : (HNH 2.22)

HNH 2 17 GIAI THUAT TRA KET QUA KIEM TRA T SR1 VE BIEN NOI ( h h AB)

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HNH 2.17: GIAI THUAT TRA KET QUA KIEM TRA T SR1 VE BIEN NOI (nhanh AB)

HNH 2.18:GIAI THUAT KIEM TRA TRANG THAI NHANH TAI CD NH GOI SR1

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HNH 2 19 GIAI THUAT TRA KET QUA KIEM TRA T SR1 VE BIEN NOI ( h h CD)

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HNH 2.19:GIAI THUAT TRA KET QUA KIEM TRA T SR1 VE BIEN NOI (nhanh CD)

HNH 2.20:GIAI THUAT KIEM TRA TRANG THAI NHANH TAI EF NH GOI SR1

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HNH 2.21:GIAI THUAT TRA KET QUA KIEM TRA T SR1 VE BIEN NOI (nhanh EF)

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HNH 2.22:GIAI THUAT KIEM TRA TRANG THAI NHANH TAI GH NH GOI SR1

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Chng trnh con %SR8dung kiem tra s co phan oan GH, bang cach khai thac chng trnh con %SR1e phan loai s co neu co : (HNH 2.22).

Chng trnh con %SR9dung chuyen gia tr trang thai cac bien s co cua chng trnh con %SR1 vecac bien noi s co danh cho phan oan GH chng trnh chnh (t %M80 en %M88) : (HNH 2.23)

Chng trnh con %SR11dung t ong ghi nhan , xuat ra giao dien hien th va lu vao bien noi thiiem bat au van hanh, thi gian ang van hanh, thi iem s co neu co,.. cua phan oan chnh ABcung nh cua tng nhanh tai : (HNH 2.24) .

Chng trnh con %SR12dung t ong cap nhat d lieu s co , lu thong so s co mi vao vung lutr (ARCHIVES) cua PLC moi khi co s co xuat hien phan oan chnh hay tren tng nhanh tai :(HNH 2.25)Viec dan giai nay giup cho ta hieu them chi tiet ve nhiem vu cua chng trnh, y ngha cua cac oan

lenh Ladder va de kiem soat chng trnh t o co the bo xung them cho chng trnh hay khac phuc

nhng loi phat sinh (nhng giai thch ham cha chc nang minh hoa cac dang lenh cua chng trnh).

HNH 2 23: GIAI THUAT CAP NHAT TRANG THAI S CO VAO BIEN NOI (nhanh GH)

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HNH 2.23:GIAI THUAT CAP NHAT TRANG THAI S CO VAO BIEN NOI (nhanh GH)

HNH 2.24:GIAI THUAT T ONG CAP NHAT D LIEU HIEN HANH CUA LI

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HNH 2.25: GIAI THUAT T ONG CAP NHAT D LEU S CO

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HNH 2.25:GIAI THUAT T ONG CAP NHAT D LEU S CO

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2.3.2.1. Giai thuat 1:

GIAI THCH: lenh trong oan Ladder au tien cua chng trnh co nhiem vu goi hai chng trnh con (SR0, SR4)nhamStart/Reset mot cach thch hp cac bien cua chng trnh, c thao tac ieu khien bi bien noi (%Mx) hay tac ongt ngoai (%Ix.i), giup cho chng trnh bat au chay hay chay lai t bc khi au. Khi ieu kien goi chng trnhcon c thoa, chng trnh con thc hien thao tac Set hay Reset cac bien mong muon v du nh hnh sau:

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Giai thch:khi oan lenh Ladder au c thoa no Set mot bien noi (%M2) xuat tnhieu ngo ra kch Relay ong ien vao ong c, sau khi ong c khi ong mot thigian (gia s ay dung Delay (%TMx) la 3 giay) giup on nh ien ap cho lith bat au Set bien noi (%M3) e thoa ieu kien giam sat li.

2 3 2 3 Gi i th t 3

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Giai thch: khi ieu kien bien noi c thoa (%M3) se thc thi goi khoi Operationganbien dang Analog (t ngoai a vao modul Analog %MWx.i vi x la v tr modul va kenhth i cua modul o vi nh dang la kieu so nguyen) t bien cua modul vao bien noiong thi nh dang lai thanh kieu Fload (%MFx.i) giup cho viec tnh toan ve sau hanche c nhng sai so, khong am bao o chnh xac can thiet trong ket qua.


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Giai thch: Khi %Q5.2 ang mc thu ong ta tac ong gi bien noi %M7 trong 100ms (ta cothe thay oi thi gian cua Timer %TMx nay mot cach thch hp) luc o %Q5.2 se c Set lenmc thch cc, tiep tuc tac ong gi bien bien noi nay trong 100ms luc o %Q5.2 se tr vetrang thai thu ong. oan lenh nay chc nang giong cong tac cau thang ngha la lan tac ongsau co muc ch ao ngc tac dung cua lan tac ong trc o, ch can mot cong tac cho viecSet va Reset chng trnh thay v hai cong tac nh thong thng, do o ta co the giam bt socong tac ong thi co the tac ong ieu khien t nhieu ni khac nhau. Lu y la khi dung loaicong tac nay ta phai an gi va khi a tac ong phai nha nut ra ngay.


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Giai thch: dung khoi so sanh e so sanh gia tr au vao vi mot gia tr cxac nh qua tnh toan hay thc te cua tai, nham phan loai nhng trng hp cuatai t o co nhng s ly, tac ong thch hp nham t ong hoa qua trnh ieukhien ( ay tuy theo viec ieu chnh phan cau hnh cua modul Analog co au vaola dong, ap hay cap nhiet ..v..v.. va khoang chia o cua modul t 2 en 10000 chotn hieu max vao cho phep).


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Giai thch: bien noi %M90, %M91 dung cho ieu khien chay vong lien tuc choTimer %TMx. Khi %M91=0 Timer chay 2s (ta co the chon thi gian tuy y) se thchien lenh e %M91=1. Chu ky sau cua PLC phat hien canh len cua %M90=1 luco Timer c Set ve 0, sau o %M90 ve 0 va Timer bat au em tr lai.


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Giai thch: liet ke ra cac trng hp can tac ong ong cat cho tu bu (ieu kien nay la ongcat hai trong ba cap tu bu). Khi thoa mot trong cac ieu kien tren th lenh se tac ong ch motlan, ket thuc lenh o chng trnh se nhay thang en cuoi chng trnh con va thoat ra ngoai.Chu y la nen sap xep tuan t cac ieu kien cho hp ly tranh trng hp tac ong lien tiepnhieu lan dan en chay sai chng trnh.


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Giai thch: cac bien noi %M83, %M84 c Set khi thoa ieu kien se ngan chan lai khongcho cac trng hp sau tac ong na, no co tac dung ch tac ong mot lan duy nhat khichng trnh chnh nhay vao chng trnh con. Cac bien noi nay se c Reset ngoai chngtrnh chnh khi a thoat khoi chng trnh con.

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Chng 03

TONG HP CAC KET QUA THC NGHIEM

TREN PANEL SCADA GIAM SAT LI HA THE

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3.1. GII THIEU TNH NANG CHUNG GIAM SAT O VA HIEN TH CAC THONGSO : DONG, AP, CONG SUAT. THEO DOI VA PHAT HIEN KP THI CACTNH HUONG S CO XAY RA TREN LI HA

THE. LU TR CAC MOC THI GIAN S CO. HIEN TH CAC O TH DONG, AP . . THEOTHI GIAN THC. NEU M RONG CAC NGO VAO VA RA COTHE THEO DOI VA BU T ONG CONGSUAT PHAN KHANG.

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3.2. CAU HNH MOUN SCADA

MO HNH LI 3 PHA HA THE

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3 CB 1 PHA ONG

CAT & BAO VE

CHO NHANH CHNH

3 CAU CH 1 PHAAM BAO CACH

LY TAI AU

CUOI CHNH

1 CONTACTOR 3 PHA

ONG CAT

CHO NHANH CHNH1 RLE NHIET

BAO VE

CHO NHANH CHNH

BIEN AP

O LNG

BIEN DONG

O LNG CT1

3 CB 1 pha ong cat va bao ve cho nhanh chnh , co cac thong so chnh bao gom :Dong nh mc In = 10A.ac tnh bao ve (qua tai & ngan mach ) theo ng cong Cvi ngng tac ong ngat tc thi Im chnh nh trong khoang (5 10) In.Kha nang cat (BC Breaking Capacity) = 4500A.ien ap nh mc 230/400V. ap ng chuan IEC898

3 CAU CH 1 PHA loai thao lap , bao ve ngan mach va bao am

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cach ly cho 3 nhanh tai 3 pha au cuoi , co cac thong so chnh :Dong nh mc In = 18ANgng tac ong ngan han If = 32A ien ap nh mc 500Vap ng chuan CONG NGHIEP IEC269.

3 CB 1 PHA ONG CAT & BAO

VE

CHO NHANH CHNH

3 CAU CH 1 PHA AM

BAO CACH LY TAI AU

CUOI CHNH

BIEN DONG

O LNG CT1

4 CONTACTOR 3 PHAkem theo RLE NHIET dung bao ve va

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cho phep ieu khien ong cat t xa cho NHANH CHNH &3 nhanh tai 3 pha au cuoi, co cac thong so chnh bao gom :

Chuan bao ve at AC3 ap ng chuan CONG NGHIEP IEC60947

BIEN DONG

O LNG CT2

BIEN DONG

O LNG CT3

3 CONTACTOR 3 PHA

ONG CAT

CHO 3 NHANH TAI

CAC BOARD MACH O LNG CHUYEN OItuyen tnh

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DONG & AP AC (tam 10A & 250V) ra AP DC(tam10VDC),co s o nguyen ly va board mach minh hoa nh sau.

S O NGUYEN LY MACH CHUYEN OI TUYEN TNH AP AC THANH DC

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V3U2A

MC14583

28

4

1

+

-V

+

V-

OUT

R8 2.2K

R7

1.1K

0

R410K

R6 2.2K

R5

2.2KR35K

V2

R1

4.7K U2B

MC14585

6

8

4

7

+

-

V+

V-

OUT

R10

10K

R2

5K

D1

D1N4007U1A

TL082

3

2

8

4

1+

-

V

+

V-

OUT

D2

D1N4007

R9 2.2K

V1

12VDC

C1

220UF

+

R10

2.2K

R11

10K

0V

C2

100UF

+

R12

2.2K

R14

2.2K

R13

10K

C3

10UF

+

R15

5.6K

+

-

0V

R16

10K

VR3

10K

R17

4.7K

MC1458R18

4.7K

R19

10K

Vout

10VDC

max+

-

MC1458

+

+

12VDC

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S O BOARD MACH IN CHUYEN OI TUYEN TNH AP AC THANH DC

L3

N

L2

L1

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OL MA

CONTACTOR

T1

MCCB

101

FUSE 1-3

CT 1

FUSE4

FUSE5

FUSE6

CR1

CR2

2

CR3

3

OL1

CR4 CR5 CR6

ELCB

11 21 31

CT 2 CT 3

TAI CAMTAI TR TAI DUNG

MA MA MA

M1 M1 M1 M2 M2 M2 M3 M3 M3

OL2 OL3

S O BO TRMO HNH LI 3 PHA HATHE

12 Rle 220VAC gan thanh 4 day 3 Rle,

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co vai tro phat hien s ton tai cua ien ap tren tng pha nhanh chnh va 3 nhanh tai au cuoi .

PLC PREMIUM TSX 57352 , co cau hnh gom cac moun sau :

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Moun nguon (POWER SUPPLY) PSY2600. Moun CPU x ly trung tam TSX 57352 Moun nhan tn hieu vao 32 ngo Digital DEY 32D2K Moun xuat tn hieu ra 32 ngo Digital DSY 32T2K Moun nhan tn hieu vao bo sung 16 ngo Digital DEY 16D2 Moun xuat tn hieu ra bo sung 16 ngo Digital DSY 32T2 Moun nhan tn hieu vao 4 ngo Analog AEY 414.

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CAU TRUC THC CUA PLC TSX PREMIUM

3.3. CAC KET QUA TH NGHIEM LI HA THE

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Ngi van hanh kiem tra cac ket noi INPUTS/OUTPUTS can thiet cho PLC Premium . An nut cho phep POWERe CONTACTOR CHNH MC1 a nguon ap 3 pha vao auvao 3 CB 1 pha cua mach tai chnh. Bat ON cho 3 CB 1 phae a ien vao

CONTACTOR 3 pha MC3, chuan b cap ien cho tai MOTOR 3 pha khi ong . Man hnhRUN-TIME S O LI lap tc the hien trang thai mach chnh ang co ien

(mau XANH AM) , trong khi mach nhanh cap ien cho tai MOTOR van cha co ien(mau LA NHAT).

Man hnh GIAM SAT THONG SO LIlap tc the hien gia tr ap nguon 3 pha 220V hieudung mach chnh , trong khi van thong bao gia tr dong I , ap U & cong suat S mach nhanh bang 0 .

An nut ON 1e ieu khien ong CONTACTOR 3 pha , a MOTOR 3 pha vao trang thaivan hanh (la 1 bm nc van hanh vong kn ) . Lap tcMan hnh GIAM SAT S OLI the hien trang thai mach chnh va mach nhanh cap ien cho tai MOTOR angco ien (mau XANH AM).

3.3.1. TH NGHIEM GIAM SAT O HIEN TH CAC THONG SO DONG I, AP U,CONG SUAT S LI HA THE CHE O BNH THNG:TIEN HANH THC NGHIEM KHAO SAT 2 TRNG HP :

TH NGHIEM N GIAN VI 1 TAI 3 PHA.TH NGHIEM VI 2 TAI 3 PHA MAC SONG SONGTH NGHIEM N GIAN VI 1 TAI 3 PHA LA ONG C CAM NG (ONG CAT DUNG CONTACTOR MC3 )

TRNH T THAO TAC:

MAN HNH S O LI CHUAN B CAP IEN CHO TAI ONG C(CONTACTOR MC3 TRANG THAI OFF)

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MAN HNH GIAM SAT THONG SO LI CHUAN B CAP IEN CHO TAI ONG

C

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C

(CONTACTOR MC3 TRANG THAI OFF)

MAN HNH S O LI TRANG THAI ANG CAP IEN CHO TAI ONG

C

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C

(CONTACTOR MC3 TRANG THAI ON)

MAN HNH GIAM SAT THONG SO LI TRANG THAI ANG CAP IEN CHO TAI

ONG C

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ONG C

(CONTACTOR MC3 TRANG THAI ON)

BANG SO SANH KET QUA THONG SO LI LAY MAU

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O LAN 1 O LAN 2 O LAN 3

I(A) U(V) S(VA) I (A) U(V) S(VA) I(A) U(V) S(VA)Thong soo mau

5,2 219 1972,46

Thong soo t

SCADA

5,25 218,5 1987,06

Phan tramsai so(%)

0,96 % 0,23 % 0,73 %

BANG SO SANH KET QUA THONG SO LI LAY MAU

VA GIATR THONG SO LI THU T CHNGTRNH SCADA

TH NGHIEM VI 2 TAI 3 PHA GHEP SONG SONG

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TRNH T THAO TAC:

Ngi van hanh kiem tra cac ket noi INPUTS/OUTPUTS can thiet cho PLC Premium . An nut cho phep POWERe a nguon ap 3 pha vao au vao 3 CB 1 pha cua

mach tai chnh . Bat ON cho 3 CB 1 phae a ien vao CONTACTOR 3 pha MC1,chuan b cap ien cho tai 1 la MOTOR 3 pha & tai 2 la TAI TR 3 PHA .

Man hnh GIAM SAT S O LI lap tc the hien trang thai mach chnh ang coien (mau XANH AM),trong khi mach nhanh cap ien cho tai MOTOR & TAI TRvan cha co ien (mau LA LT).

Man hnh GIAM SAT THONG SO LI lap tc the hien gia tr ap nguon 3 pha 220Vhieu dung mach chnh , trong khi van thong bao gia tr dong I , ap U & congsuat S 2 mach nhanh bang 0.

An nut ON 1 & ON 2e lan lt ieu khien ong CONTACTOR MC3 & CONTACTORMC4, a tai 1 (MOTOR 3 pha) & tai tr 2 vao trang thai van hanh. Lap tc Man hnh GIAM SAT S O LI the hien trang thai ca mach chnh va 2mach nhanh cap ien cho tai MOTOR & tai tr eu ang co ien (mau XANH AM)

MAN HNH S O LI CHUAN B CAP IEN CHO 2 TAI 3 PHA AU SONG

SONG

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SONG

(CAC CONTACTOR ANG TRANG THAI OFF)

MAN HNH GIAM SAT THONG SO LI CHUAN B CAP IEN CHO 2 TAI AU SONG

SONG

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(CAC CONTACTOR TRANG THAI OFF)

MAN HNH S O LI TRANG THAI ANG CAP IEN CHO 2 TAI AU SONG

SONG

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(CAC CONTACTOR TRANG THAI ON)

MAN HNH GIAM SAT THONG SO LI TRANG THAI ANG CAP IEN CHO 2 TAI AU SONG

SONG

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SONG

(CAC CONTACTOR ANG TRANG THAI ON)

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3.3.2. TH NGHIEM MOUN SCADA PHAT HIEN VA CANH BAO KP THI CAC SCO

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NGAN MACH 1, 2, 3 PHA TREN NHANH CHNH VA TREN TNG NHANH TAI AUCUOI :

TH NGHIEM NGAN MACH 1 PHA: au tien ta cho mach ha the cung cap vao 2 phu tai : MOTOR & TAI TR van

hanh bnh thng. Tao s co ngan mach 1 pha tai MOTOR, CB lap tc ngat mach e bao ve . Man hnh GIAM SAT S O LI lap tc hien th canh bao ngan mach 1 pha

nhanh tai CD (tai MOTOR).Luc nay, ngi van hanh li sau khi khac phuc xong s co ngan mach ,

phai an nut bao a giai tr xong s co (bien ngo vao %I3.9 ) ; man hnh GIAMSAT S O LI mi ngng hien th tn hieu canh bao ngan mach 1 pha nhanh taiCD (tai MOTOR) e tr ve trang thai ngat mach bnh thng , cho phep chuan bong CONTACTOR MC3 e a TAI MOTOR vao van hanh bnh thng tr lai .

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au tien ta cho mach ha the cung cap vao tai MOTOR ; he thong van hanh

bnh thng.

Ta th tao s co ngan mach 2 pha tai MOTOR, CB se nhay e ngat mach bao ve.

Lap tc man hnh GIAM SAT S O LI se hien th canh bao ngan mach 2

pha nhanh tai CD (tai MOTOR) .

Luc nay, ngi van hanh li sau khi khac phuc xong s co ngan mach,

phai an nut bao a giai tr xong s co (bien %I3.10) , man hnh GIAM SAT

S O LI mi ngng hien th tn hieu canh bao ngan mach 2 pha nhanh

tai CD e tr ve trang thai ngat mach bnh thng , cho phep chuan bong MC3 e a TAI MOTOR vao van hanh bnh thng tr lai.

TH NGHIEM NGAN MACH 2PHA:

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MAN HNH S O LI TRANG THAI NGAT MACH BAO VE S CO NGAN MACH 2PHA

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SAU KHI A GIAI TR S CO

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au tien ta cho mach ha the nuoi tai MOTOR van hanh bnh thng.Ta th tao s co ngan mach 3 pha tai MOTOR, CB se nhay e ngatmach bao ve .

Lap tc man hnh GIAM SAT S O LI se hien th canh bao nganmach 3 pha nhanh tai CD (tai MOTOR) .

Luc nay, ngi van hanh li sau khi khac phuc xong s co ngan

mach , phai an nut bao a giai tr xong s co (bien %I ) , man hnh

GIAM SAT S O LI mi ngng hien th tn hieu canh bao ngan mach3 pha nhanh tai CD (tai MOTOR) e tr ve trang thai ngat machbnh thng , cho phep chuan b ong CB & 2 CONTACTOR e a 2 TAI

vao van hanh bnh thng tr lai .

TH NGHIEM NGAN MACH 3PHA:

MAN HNH S O LI TRANG THAI NGAT MACH BAO VE S CO NGAN MACH 3PHA

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(CAC CONTACTOR TRANG THAI OFF)


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MAT AP PHA TREN NHANH CHNH VA TREN TNG NHANH TAI AU CUOI :au tien ta cho

mach ha thecung cap vaotai MOTOR vanhanh bnh thng. Tao s co matPHA A tai MOTOR,CONTACTOR MC3 nhanh CD lap tcse nhay e ngatmach bao ve Luc nay manhnh GIAM SAT SO LI se hien thcanh bao mat PHAA nhanh tai CD(tai MOTOR)

3.3.4. TH NGHIEM MOUN SCADA PHAT HIEN VA CANH BAO KP THI CAC SCOTHAP AP HAY QUA AP DO BIEN ONG NGUON TREN LI HA THE :

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au tien ta cho mach ha the nuoi 2 tai MOTOR & TAI TR van hanh bnh thng.Tao hien tng qua ap nguon nuoi 5% , CONTACTOR 1 nhanh CD lap tc se nhay engat mach bao ve . Luc nay man hnh GIAM SAT S O LI se hien th canh bao qua ap nguon nuoi .Khi hien tng qua ap nguon nuoi keo dai vt qua thi gian do ngi van hanh quinh , PLC se phat tn hieu ngat 2 CONTACTOR 1&2 e ngat mach bao ve cho 2 nhanh taiMOTOR (nhanh CD) va TAI TR (nhanh EF). Luc nay man hnh GIAM SAT S O LI se hien th NGAT MACH TAI kem canh baoqua ap nguon nuoi.Ngi van hanh li sau khi khac phuc xong s co mat pha , phai an nut baoa giai tr xong s co (bien %I ) , man hnh GIAM SAT S O LI mi ngng hien th tnhieu canh bao qua ap nguon nuoi e tr ve trang thai ngat mach bnh thng , chophep chuan b ong CONTACTOR1&2 e a 2 TAI MOTOR va TAI TR vao van hanh bnhthng tr lai

Ta cung se nhan c cac ket qua ac trng tng t khi tien hanh thc nghieme kiem tra kha nang phat hien ,canh bao & ngat mach cua mang giam sat SCADA liha the khi co hien tng thap ap keo dai. Thc nghiem nhieu lan vi cac mc qua ap haythap ap khac nhau , ta co the lap thanh bang e ghi nhan thi gian qua ap hay thap apcho phep do ngi van hanh mang ha the qui nh


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au tien ta cho mach ha the nuoi 2 tai MOTOR & TAI TR vanhanh bnh thng. Tao s co dong ro PHA-VO TAI TR (nhanh taiEF) ,ELCB nhanh EF lap tc se nhay e ngat mach bao ve . Luc nay man hnh GIAM SAT S O LI se hien th ngat machEF vi canh bao S CO do RONG RO . Man hnh GIAM SAT S OLI luc nay cho CB CHNH CUNG CONTACTOR MC3 VAN TRANG THAI ON ;ELCB & CONTACTOR MC4 TRANG THAI OFF.Sau khi ngi van hanh li khac phuc xong s co dong ro ,phai an nut bao a giai tr xong s co (bien %I ) , man hnh GIAMSAT S O LI mi ngng hien th tn hieu canh bao s co dongro e tr ve trang thai ngat mach bnh thng , cho phep chuan bong ELCB & MC4 e a TAI TR nhanh EF vao van hanh bnhthng tr lai.Moi nhanh tai co gan ELCB bo sung kem theo CONTACTOR la khcu ong cat chnheu cho cac ket qua th nghiem tng ngnh tren.

DONG RO XUAT HIEN TREN NG DAY HAY DONG RO T PHA NOI VO THIETB :

MAN HNH S O LI TRANG THAI NGAT MACH EF DO S CO DONG RO

(CONTACTOR MC3 VAN HOATONG CONTACTOR MC4 TRANG THAI OFF)

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3.3.6. TH NGHIEM MOUN SCADA HO TR NGAT MACH KHI MCCB CHA KP NGAT MACH :

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Nham ho tr cho CB; trong cac tnh huong s co ma CB khong the tac ong ngat mach hoac chatac ong ngat mach kp;CHNG TRNH SCADA GIAM SAT LI HA THE co kha nang ieu khien ngatmach ha the t xa thong qua cac CONTACTOR ong cat trong cac tnh huong s co cu the sau :S co qua ap hoac thap ap keo dai (a khao sat).S co mat pha (a khao sat).S co qua tai keo dai (chc nang bao ve chnh thuoc ve CB).Ngoai ra con tnh en kha nang ieu khien ong ngat mach tai t xa trong che o van h anh bnh thng.

Ta tien hanh thc nghiem cu the 2 trng hp sau: DUNG SCADA HO TR IEU KHIEN ONG NGAT MACH TAITRONG CHE O

VAN HANH BNH THNG. SCADA HO TR IEU KHIEN ONG NGAT MACH TAIKHI CO S CO QUA TAI

KEO DAI.

MAN HNH S O LI TRANG THAI NGAT MACH BNH THNG 2 NHANH TAI CD ,EF :

( )

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( CB CHNH TRANG THAI ON CAC CONTACTOR TRANG THAI OFF)

MAN HNH S O LI TRANG THAI ONG MACH BNH THNG 2 NHANH TAI CD, EF :

( C C A G A O A CAC CO AC O A G A O )

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( CB CHNH TRANG THAI ON VA CAC CONTACTOR TRANG THAI ON)

3.3.7. TH NGHIEM TAO C S D-LIEU LIEN QUAN EN CAC TNH HUONG S CO: :

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Trnh SCADA giam sat li ha thecho phep ta lu vao c s d lieu cac thong solien quan en s co xuat hien tren li , bao gom :Nhanh b s co. Thi iem xuat hien s co.Kieu s co (ngan mach, mat pha, dong ro,..).Khoang thi gian ton tai s co (tnh en luc ngi van hanh

bao a giai tr xong s co).So lan b s co cua moi nhanh tai.

Cac thong tin nayrat can thiet va mang tnh thong ke , qua o giup ngi thiet keva van hanh li ha the khai thac li an toan va hieu qua hn trong tng lai.

BANG GIAM SAT LU D LIEU S CO THE HIEN THONG SO

LIEN QUAN EN THI IEM S CO VA XUAT HIEN TREN NHANH TAI CD :

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LIEN QUAN EN THI IEM S CO VA XUAT HIEN TREN NHANH TAI CD :

MAN HNH GIAM SAT D LIEU S CO

THEHIEN THONG SO LIEN QUAN EN S CO VA XUAT HIEN

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S O LI THE HIENTHONG SO LIEN QUAN EN S CO VA XUAT HIEN TREN NHANH TAI CD

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3.3.8. TH NGHIEM KHA NANG HIEN TH DANG O TH (TREND DIAGRAM): :

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GIA TR DONG , AP , CONG SUAT THEO THI GIAN TREN NHANH CHN CUNG NH TREN TNGNHANH TAI

Viec th nghiem co the tien hanh qua cac bc nh sau :Khi ong mach vi CB chnh trang thai ON & 2 TAI trangthai OFF. Luc nay truy cap man hnh giam sat TREND DIAGRAM chothay NHANH CHNH the hien U=220V , I, S ,P va Cos bang 0trongkhi TREND DIAGRAM cua 2 nhanh TAI CD & EF eu khong co iennen eu the hien I, U, S ,P bang 0.Khi ong ON 1& 2 a 2 TAI trang thai ON. Luc nay truy capman hnh giam sat TREND DIAGRAM cho thay NHANH CHNH thehien U= 220V , I, S ,P va Cos eu co gia tr o cu the trong khiTREND DIAGRAM cua 2 nhanh TAI CD & EF eu ang co ien neneu the hien ay u cac gia tr I, U, S ,P ang co tng nhanh

MAN HNH GIAM SAT (TREND DIAGRAM) TRANG THAI NGAT MACH BNH THNG(CB CHNH VA MC 1 ANG TRONG TRANG THAI ON)

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MAN HNH GIAM SAT (TREND DIAGRAM) TRANG THAI ONG MACH BNH THNG(CB CHNH VA CAC CONTACTOR ANG TRONG TRANG THAI ON)

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3.4. KET LUANVi cac ket qua thc nghiem cu the co c, moun SCADA c xay dng bc au a apng c cac muc tieu e ra nh 1 mo hnh SCADA thc nghiem giam sat li ha the qui monho (LOCAL).

T mo hnh nay co the xay dng thanh nhieu bai Thc Tap Th Nghiem cho rat nhieu monhoc va nganh ao tao co lien quan.

T mo hnh nay co the dung lam mo hnh thi cong cho cac LVTN cua SV lien quan en cace tai ng dung PLC, Thiet ke Cung Cap ien , SCADA Co the phat trien thanh cac he thu thap, giam sat va ieu khien vi cac chc nang, tiench cao hn, e co the s dung trong cong nghiep.

T mo hnh nay co the m rong va nang cap

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cho nhng e tai NCKH khac: Xay dng moun SCADA thc nghiem giam sat

li ha the, trung the hnh tia hoac mach vong vi nhieu cap bao ve vaong cat.

Xay dng moun SCADA thc nghiem giam satli ha the qui mo phan tan va co kha nangieu khien t xa.

Phoi hp PLC va Vi ieu Khien khi xay dng cacmo hnh SCADA nham tang cng kha nanggiam sat va bao hieu (VD nh en 7 oan hayen Quang Bao. . .).

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