© ABB P.T. S.p.A. – M. Guarneri Page 1 UniGear ZS1 Fixed CB Product Presentation September, 2007
©A
BB
P.T
. S.p
.A. –
M. G
uarn
eri
Pag
e 1
UniGear ZS1 Fixed CBProduct Presentation
September, 2007
©A
BB
–A
BB
P.T
. S.p
.A. –
M. G
uarn
eri
Pag
e 2
UniGear ZS1 Fixed CB – Product PresentationMedium Voltage
Products
UniGear Fixed CB: another step completing UniGear ZS1 platform
UniGear ZS1 (classic and 550)
Double level
Double busbar
UniGear ZVCSlim contactor
UniGear ZS1 Fixed CB
©A
BB
–A
BB
P.T
. S.p
.A. –
M. G
uarn
eri
Pag
e 3
UniGear ZS1 Fixed CB – Product PresentationMedium Voltage
Products
Designed and tested according to IEC 62271-200 and ENATS 41-36;
Metallic partitions between adjacent compartments (PM);
Loss of Service Continuity 2A;
Mechanical interlocks between the circuit breaker and the line disconnector;
Cable testing device interlocked with three position line disconnector;
Internal arc classified IAC AFLR 31,5kA according to the new IEC 62271-200 Annex A;
Exhausted gas evacuation by means of gas duct channel.
Highlights: Safe and Reliable
©A
BB
–A
BB
P.T
. S.p
.A. –
M. G
uarn
eri
Pag
e 4
UniGear ZS1 Fixed CB – Product PresentationMedium Voltage
Products
Low maintenance switching device;
Fixed apparatus has the same accessories of the withdrawable one;
Access to all compartments from the front;
Simple replacement of main components;
Easy to be installed.
Highlights: Easy to maintain
©A
BB
–A
BB
P.T
. S.p
.A. –
M. G
uarn
eri
Pag
e 5
UniGear ZS1 Fixed CB – Product PresentationMedium Voltage
Products
Reduced footprints (500mm wide, 1340mm deep panels);
Wall mounted application;
Directly connectable to any UniGear ZS1 solution;
Suitable for containerized substation.
Highlights: Compact and Space Saving Effective
©A
BB
–A
BB
P.T
. S.p
.A. –
M. G
uarn
eri
Pag
e 6
UniGear ZS1 Fixed CB – Product PresentationMedium Voltage
Products
(*) 1st step 630-1250A (delivery from March 2008), 2nd step 2000A (delivery from September 2008);
Rated voltageRated insulation voltageRated power frequency withstand voltageRated power frequency over the isolation distanceRated lightning impulse withstand voltageRated lightning impulse withstand voltage over the isolation distanceRated frequencyRated short-time withstand currentPeak currentInternal arc withstand current (in accordance to IEC 62271-200 App A)Branch connection rated current (*)Main busbar rated current
[kV][kV][kV][kV][kV][kV][Hz][kA 3s][kA][kA 1s][A][A]
Up toUp toUp toUp toUp to
121228327585
50-6031,5
8031,520004000
17,517,5
384595
11050-60
31,580
31,520004000
Electrical characteristics
©A
BB
–A
BB
P.T
. S.p
.A. –
M. G
uarn
eri
Pag
e 7
UniGear ZS1 Fixed CB – Product PresentationMedium Voltage
Products
ENA Version (12kV, 2000A, 25kA):IAC AFL;
Depth: 1140mm;
Exaust gas relief from the rear;
Directly connectable to UniGear ZS1.
IEC Version (17,5kV, 2000A, 31,5kA):IAC AFLR;
Depth: 1320mm;
Exaust gas relief from the top through main gas duct channel (standard UniGear ZS1 solutions);
Directly connectable to UniGear ZS1.
Available solutions:
©A
BB
–A
BB
P.T
. S.p
.A. –
M. G
uarn
eri
Pag
e 8
UniGear ZS1 Fixed CB – Product PresentationMedium Voltage
Products
Low voltagecompartment
Busbar compartment
Circuit Breaker
Toroidal / DIN typecurrent transformers
Three-position line disconnector
Feeder compartment
Section view:
©A
BB
–A
BB
P.T
. S.p
.A. –
M. G
uarn
eri
Pag
e 9
UniGear ZS1 Fixed CB – Product PresentationMedium Voltage
Products
Inspection window
Three-position line disconnector operating mechanism
Voltage presenceindicator
Circuit Breakeroperating mechanism
Circuit Breakerposition (open – close)
Three-position line disconnector position (earthed – isolated –inserted)
Front Plate:
©A
BB
–A
BB
P.T
. S.p
.A. –
M. G
uarn
eri
Pag
e 1
0
UniGear ZS1 Fixed CB – Product PresentationMedium Voltage
Products
Connected position
Components: Three-position line disconnector
Isolated position
Grounded position
Clear visible bladesindication from front window
©A
BB
–A
BB
P.T
. S.p
.A. –
M. G
uarn
eri
Pag
e 1
1
UniGear ZS1 Fixed CB – Product PresentationMedium Voltage
Products
Ratings …17,5kV, …2000A, …31,5kA;
Mechanical operating mechanism located on the front plate;
Same accessories as per withdrawable version (Vmax/L) of VD4/P;
Clear front indication of open – close position and spring status;
Replacing of CB from the front of the panel in one hour and a half.
Components: Vmax/F fixed circuit breaker
©A
BB
–A
BB
P.T
. S.p
.A. –
M. G
uarn
eri
Pag
e 1
2
UniGear ZS1 Fixed CB – Product PresentationMedium Voltage
Products
Optional Cable testing: Operating procedure
1) Put the line disconnector in earthed position.
1
2) Close the circuit breaker.
2
3) Unlock the cables test cover.
3
4) Open the test cover in safety condition.
4
©A
BB
–A
BB
P.T
. S.p
.A. –
M. G
uarn
eri
Pag
e 1
3
UniGear ZS1 Fixed CB – Product PresentationMedium Voltage
Products
Ring core CT assembly:Standard up to 1250A.
For 2000A the CT rod will be available in the 2nd step.
DIN type CT assembly:Standard for 1600-2000A;
Optional up to 1250A.
Components: Current Transformers
©A
BB
–A
BB
P.T
. S.p
.A. –
M. G
uarn
eri
Pag
e 1
4
UniGear ZS1 Fixed CB – Product PresentationMedium Voltage
Products
Front side. Rear side.
Anchoring on concrete floor Base irons on concrete floor
Panel fixing to the floor
Two fixing point for each panel
©A
BB
–A
BB
P.T
. S.p
.A. –
M. G
uarn
eri
Pag
e 1
5
UniGear ZS1 Fixed CB – Product PresentationMedium Voltage
Products