Study: F:\CYME\CYMTCC\Examples\demo.tcc

TIME CURRENT CHARACTERISTIC CURVES

PLOTTING VOLTAGE: DATE: NO:

BY:

25 kV

0.01

0.1

1

10

100

1000

0.5 1 10 100 1000 10000

Current in Amperes: x 1 at 25 kV, x 52.083 at 0.48 kV, x 1.736 at 14.4 kV and x 1.250 at 20 kV.

Time i

n Sec

onds

BY:

25 kV

3-Relay WEST CO-9Tap Range:[0.25 / 12.0] Tap:7.00Pick Up:840.00 [A] TD:4.0CT:600:5 at 25.00 [kV]

4-Rel.Def.TimeTap Range:[0.05 / 2.4] Tap:1.00Pick Up:120.00 [A] TD:.5CT:600:5 at 20.00 [kV]

Test Point ATest Point B

5-FuseS&C SMU40 SLO 14.4KVRating: 100.0 [A]14.40 [kV]

6-Cable2/0 AWG (Aluminium)CROSS LINK POLY.(1/phase) 25.00 [kV]

2000 INRUSH

7-TransformerZ=5.80 []P=2000 [kVA]0.48 [kV]FLA=46.19 [A]

2000 kVA FLA

9-LVCB GE ECSSensor:800.0 [A]LTM:0.90 LTB:2STM: STB:Inst:10.00

10-Motor StartingFull Load:180.0 [A]Locked Rotor:1800 [A]Acc. Time:6.00 [s]

11-LVCB GE ECSSensor:800.0 [A]LTCS:1.00 LTM:0.90 LTB:2Inst:10.00

12-LVCB GE ECSSensor:800.0 [A]LTCS:1.00 LTM:0.90 LTB:2Inst:10.00

14-Motor StartingFull Load:180.0 [A]Locked Rotor:1800 [A]Acc. Time:6.00 [s]

15-Motor StartingFull Load:180.0 [A]Locked Rotor:1800 [A]Acc. Time:6.00 [s]

13-Motor StartingFull Load:180.0 [A]Locked Rotor:1800 [A]Acc. Time:6.00 [s]

16-LVCB GE ECSSensor:800.0 [A]LTM:0.90 LTB:2STM: STB:Inst:10.00

Main-Bus

52Breaker-151

600:5Relay-151

Fuse-1

CABLE-1

XFMR-1Secondary Bus

B1

M

M1

B2 B3

M

M2M

M3M

M4

B4

Breaker-1

Fuse-1

CABLE-1

XFMR-1Secondary Bus

B1

M1

B2 B3

M2 M3 M4

B4

Main-Bus

Relay-151