Page 1
TEST REPORT FOR CURRENT TRANSFORMER
1. Designation: CURRENT TRANSFORMER
Location: 220/33KV Switchyard Bus Coupler (Bay- 7)
2. Name Plate Details: Date 22/1/11
Make: AREVA
Ratio 1600 - 800/1 - 1 - 1 - 1 - 1
Core No. 1 2 3 4 5
Rated Primary Current (Amp) 1600
Rated Sec. Current (Amp) 1 1 1 1 1
Output (VA) - - 15 - 7.5 10 -
Accuracy Class PS PS 5P 0.2S PS
I.S.F./A.I.F. - - 20 <5 -
Rct at 750 C Ohms) 6.4 -3.2 6.4 - 3.2 6.4 - 3.2 6.4 - 3.2
KPV (V) 1200 - 600 - - 1200 - 600
Iexc at Vk/2 (mA) 20 - 40 - - 20 - 40
Freq: 50Hz Ith: 40/3 kA/Sec.
HSV/ NSV : 245/220 Kv BIL: 460/1050 KV Idyn: 100 kAp
Oil Weight: 300kg Total Weight: 1400 Kg
Primary/Secondary Current (A) 1600/1 800/1
Primary Connection P1 - P2 P1 - P2Secondary connection Core 1 1S1 - 1S3 1S1 - 1S2
Core 2 2S1 - 2S3 2S1 - 2S2
Core 3 3S1 - 3S3 3S1 - 3S2
Core 4 4S1 - 4S3 S’ 4S1 - 4S2 S’
Core 5 5S1 - 5S3 5S1 - 5S2
3. INSULATION RESISTANCE VAULE (GΩ)
R Y B
SR. NO. 42090701069 42090701068 42090701067
PRIMARY TO EARTH 1.14 (TΩ) 107 335
TIME 30 Sec. 30 Sec. 30 Sec.
REMARKS: TEST RESULT FOUND SATISFACTORY
Engg. Date Sign.
VENUS
AINL Mr. Stalin 22/1/11
1S1 1S2 1S3 2S1 2S2 2S3 3S1 3S2 3S3 5S1 5S2 5S3
P2
EARTHING
P1 SCHEMATIC DIAGRAM AND CONNECTION
4S1 4S3S
AC
4S2
ABHIJEET MADC NAGPUR ENERGY PRIVATE LIMITED
Page 2
ABHIJEET MADC NAGPUR ENERGY PRIVATE LIMITED
Page 3
TEST REPORT FOR CURRENT TRANSFORMER
1. Designation: CURRENT TRANSFORMER
Location: 220/33KV Switchyard Transformer - 2 (Bay - 4)
2. Name Plate Details: Date 06/12/10
Make: AREVA
Ratio 300 – 200/1 – 1 – 1A, 1600 – 800/ 1, 300 – 200/1A
Core No. 1 2 3 4 5
Rated Primary Current (Amp) 300 – 200 1600 – 800 300 - 200
Rated Sec. Current (Amp) 1 1 1 1 1
Output (VA) 20 -10 - 7.5 - -
Accuracy Class 5P PS 0.2S PS PS
I.S.F./A.I.F. 20 - <5 - -
Rct at 750 C Ohms) 2.5 – 1.7 2.5 – 1.7 - 12.6 2.5 – 1.7
KPV (V) - 650 - 400 - 1200 -600 650 - 400
Iexc at Vk/2 (mA) - 25 - 40 - 20 – 40 25 - 40
Freq: 50Hz Ith: 40/3 kA/Sec.
HSV/ NSV : 245/220 Kv BIL: 460/1050 KV Idyn: 100 kAp
Oil Weight: 300kg Total Weight: 1400 Kg
Primary/Secondary Current (A) 300/1 200/1 800/1 1600/1
Primary Connection P1 - P2 P1 - P2 P1 - P2 P1 - P2Secondary connection Core 1 1S1 - 1S3 1S1 – 1S2 - -
Core 2 2S1 - 2S3 2S1 - 2S2 - -
Core 3 3S1 - 3S3 S’ 3S1 - 3S2 S’ - -
Core 4 - - 4S1 - 4S2 4S1 - 4S3
Core 5 5S1 - 5S3 5S1 - 5S2 - -
3. INSULATION RESISTANCE VAULE (GΩ)
R Y B
SR. NO. 42090701061 42090701059 42090701057
PRIMARY TO EARTH 568 532 1.02 (TΩ)
TIME 60 Sec. 60 Sec. 60 Sec.
REMARKS: TEST RESULT FOUND SATISFACTORY
Engg. Date Sign.
VENUS
AINL Mr. Stalin 6/12/10
1S1 1S2 1S3 2S1 2S2 2S3 4S1 4S2 4S35S1 5S2 5S3
P2
EARTHING
P1 SCHEMATIC DIAGRAM AND CONNECTION
C
3S1 S
A
3S2 3S3
ABHIJEET MADC NAGPUR ENERGY PRIVATE LIMITED
Page 4
TEST REPORT FOR CURRENT TRANSFORMER
1. Designation: CURRENT TRANSFORMER
Location: 220/33KV Switchyard IPP Line - 2 (Bay-5)
2. Name Plate Details: Date 09/12/10
Make: AREVA
Ratio 1600 - 800/1 - 1 - 1 - 1 - 1
Rated Primary Current (Amp) 1600
Core No. 1 2 3 4 5
Rated Sec. Current (Amp) 1 1 1 1 1
Output (VA) - - 15 - 7.5 10 -
Accuracy Class PS PS 5P 0.2S PS
I.S.F./A.I.F. - - 20 <5 -
Rct at 750 C Ohms) 6.4 -3.2 6.4 - 3.2 6.4 - 3.2 6.4 - 3.2
KPV (V) 1200 - 600 - - 1200 - 600
Iexc at Vk/2 (mA) 20 - 40 - - 20 - 40
Freq: 50Hz Ith: 40/3 kA/Sec.
HSV/ NSV : 245/220 Kv BIL: 460/1050 KV Idyn: 100 kAp
Oil Weight: 300kg Total Weight: 1400 Kg
Primary/Secondary Current (A) 1600/1 800/1
Primary Connection P1 - P2 P1 - P2Secondary connection Core 1 1S1 - 1S3 1S1 - 1S2
Core 2 2S1 - 2S3 2S1 - 2S2
Core 3 3S1 - 3S3 3S1 - 3S2
Core 4 4S1 - 4S3 4S1 - 4S2
Core 5 5S1 - 5S3 5S1 - 5S2
3. INSULATION RESISTANCE VAULE (GΩ)
R Y B
SR. NO. 42100300181 42100300177 42100300176
PRIMARY TO EARTH 243 366 323
TIME 60 Sec. 60 Sec. 60 Sec.
REMARKS: TEST RESULT FOUND SATISFACTORY
Engg. Date Sign.
VENUS
AINL Mr. Stalin 09/12/10
1S1 1S2 1S3 2S1 2S2 2S3 4S1 4S2 4S35S1 5S2 5S3
P2
EARTHING
P1 SCHEMATIC DIAGRAM AND CONNECTION
C
3S1 S
A
3S2 3S3
ABHIJEET MADC NAGPUR ENERGY PRIVATE LIMITED
Page 5
TEST REPORT FOR CURRENT TRANSFORMER
1. Designation: CURRENT TRANSFORMER
Location: 220/33KV Switchyard Transformer - 3 (Bay - 6)
2. Name Plate Details: Date 18/01/11
Make: AREVA
Ratio 300 – 200/1 – 1 – 1A, 1600 – 800/ 1, 300 – 200/1A
Core No. 1 2 3 4 5
Rated Primary Current (Amp) 300 – 200 1600 – 800 300 - 200
Rated Sec. Current (Amp) 1 1 1 1 1
Output (VA) 20 -10 - 7.5 - -
Accuracy Class 5P PS 0.2S PS PS
I.S.F./A.I.F. 20 - <5 - -
Rct at 750 C Ohms) 2.5 – 1.7 2.5 – 1.7 - 12.6 2.5 – 1.7
KPV (V) - 650 - 400 - 1200 -600 650 - 400
Iexc at Vk/2 (mA) - 25 - 40 - 20 – 40 25 - 40
Freq: 50Hz Ith: 40/3 kA/Sec.
HSV/ NSV : 245/220 Kv BIL: 460/1050 KV Idyn: 100 kAp
Oil Weight: 300kg Total Weight: 1400 Kg
Primary/Secondary Current (A) 300/1 200/1 800/1 1600/1
Primary Connection P1 - P2 P1 - P2 P1 - P2 P1 - P2Secondary connection Core 1 1S1 - 1S3 1S1 – 1S2 - -
Core 2 2S1 - 2S3 2S1 - 2S2 - -
Core 3 3S1 - 3S3 S’ 3S1 - 3S2 S’ - -
Core 4 - - 4S1 - 4S2 4S1 - 4S3
Core 5 5S1 - 5S3 5S1 - 5S2 - -
3. INSULATION RESISTANCE VAULE (GΩ)
R Y B
SR. NO. 42090701063 42090701062 420907010
PRIMARY TO EARTH 319 265
TIME 60 Sec. 60 Sec. 60 Sec.
REMARKS: TEST RESULT FOUND SATISFACTORY
Engg. Date Sign.
VENUS
AINL Mr. Stalin 18/1/11
1S1 1S2 1S3 2S1 2S2 2S3 4S1 4S2 4S35S1 5S2 5S3
P2
EARTHING
P1 SCHEMATIC DIAGRAM AND CONNECTION
C
3S1 S
A
3S2 3S3
ABHIJEET MADC NAGPUR ENERGY PRIVATE LIMITED
Page 6
TEST REPORT FOR CURRENT TRANSFORMER
1. Designation: CURRENT TRANSFORMER
Location: 220/33KV Switchyard Transformer - 4 (Bay – 8)
2. Name Plate Details: Date 11/01/11
Make: AREVA
Ratio 300 – 200/1 – 1 – 1A, 1600 – 800/ 1, 300 – 200/1A
Core No. 1 2 3 4 5
Rated Primary Current (Amp) 300 – 200 1600 – 800 300 - 200
Rated Sec. Current (Amp) 1 1 1 1 1
Output (VA) 20 -10 - 7.5 - -
Accuracy Class 5P PS 0.2S PS PS
I.S.F./A.I.F. 20 - <5 - -
Rct at 750 C Ohms) 2.5 – 1.7 2.5 – 1.7 - 12.6 2.5 – 1.7
KPV (V) - 650 - 400 - 1200 -600 650 - 400
Iexc at Vk/2 (mA) - 25 - 40 - 20 – 40 25 - 40
Freq: 50Hz Ith: 40/3 kA/Sec.
HSV/ NSV : 245/220 Kv BIL: 460/1050 KV Idyn: 100 kAp
Oil Weight: 300kg Total Weight: 1400 Kg
Primary/Secondary Current (A) 300/1 200/1 800/1 1600/1
Primary Connection P1 - P2 P1 - P2 P1 - P2 P1 - P2Secondary connection Core 1 1S1 - 1S3 1S1 – 1S2 - -
Core 2 2S1 - 2S3 2S1 - 2S2 - -
Core 3 3S1 - 3S3 S’ 3S1 - 3S2 S’ - -
Core 4 - - 4S1 - 4S2 4S1 - 4S3
Core 5 5S1 - 5S3 5S1 - 5S2 - -
3. INSULATION RESISTANCE VAULE (GΩ)
R Y B
SR. NO. 42100100098 420100100097 420100100096
PRIMARY TO EARTH 880 813 329
TIME 60 Sec. 60 Sec. 60 Sec.
REMARKS: TEST RESULT FOUND SATISFACTORY
Engg. Date Sign.
VENUS
AINL Mr. Stalin 11/1/11
1S1 1S2 1S3 2S1 2S2 2S3 4S1 4S2 4S35S1 5S2 5S3
P2
EARTHING
P1 SCHEMATIC DIAGRAM AND CONNECTION
C
3S1 S
A
3S2 3S3