Fatehabad 765/400KV substation SLD

800KV, 3000A CT ( 6 CORE) Core Curren Currentt Ratio Ratio No. 1 2

Accura Accuracy cy Output Output Class Burden -

3

3000 -2000 -500 / 1 TP T PS 3000-2000-500 / 1 TPS 3000-2000-500 / 1 0.2S

4 5 6

3000-2000-500 / 1 0.2S 3000-2000-500 / 1 TPS 3000-2000-500 / 1 TPS

20 -

20

VA VA

Min kPV (V) Max RCT Max Im at kPV in Ohms (mA) 3000 -2 -2000 -500 1 5 3000-2000- 500 15 3000-2000- 500 15 3000-2000- 500 15

Purpose

REFER BELOW REFER BELOW -

BUS DIFF. CHECK  BUS DIF F. MAIN METERING

REFER BELOW REFER BELOW

METERING TRANSF . DIFF ./LINE PROTN  LINE PROTN./LBB PROTN.

20 ON 3000/1 TAP 30 ON 2000/1 TAP 120 ON 500/1 TAP

800KV CVT

420 kV CVT 76 5K 5K V 1 10 10V 110 V 110V 3 3 3 3 Class0.5/3P, 50 50VA 0.5/3P, 50VA ClassClass 0.2, 50VA Capacitance: Capacitance: 8800 pF (+10%,-5%) (+10%,-5%)

Ratio Sec - I Sec - II S e c - II I

Ratio

400 KV KV

11 0V 0V 1 10 10 V 110V

3

Sec - I Sec - II Sec - III

3

3

3

Class- 0.5/3P 0.5/3P,, 50VA 50VA Class- 0.5/3P, 50VA VA 0.2, 50 Class Capacitance: Capacitance: 4 40 40 0 p F (+10%,-5%) (+10%,-5%)

420 kV , 3000A, CT (6 CORE) Core Curren Currentt Ratio Ratio No.

Accura Accuracy cy Output Output Burden Class

1 2

3000 -2000 -500 / 1 TP TP S 3000-2000-500 / 1 TP S

3 4

3000-2000-500 / 1 3000-2000-500 / 1 3000-2000-500 / 1 3000-2000-500 / 1

5 6

-

0.2S

20

0.2S TP S TP S

20 -

Min kPV (V) Max RCT Max Im at kPV in Ohms (mA) 3000 -2 -2000 -500 1 5 3000-2000- 500 15 3000 - 2000 -50 0 15 3000-2000 -50 0 15

REFER BELOW REFER BELOW -

Purpose BUS DIFF. CHECK  BUS DIFF. MAIN METERING

REFER BELOW REFER BELOW

METERING TRANS . BACKU P/LINE PROTN TRANS . DIFF ./LINE PROTN 20 ON 3000/1 TAP 30 ON 2000/1 TAP 120 ON 500/1 TAP