Performance Of Monitoring And Control Functions; Voltage Transformer Supervision; Current Transformer Supervision; Pole Dead Protection - GE P642 Technical Manual

Chapter 21 - Technical Specifications
7

PERFORMANCE OF MONITORING AND CONTROL FUNCTIONS

7.1

VOLTAGE TRANSFORMER SUPERVISION

VTS I> pick-up
VTS I> drop-off
VTS I2> pick-up
VTS I> drop-off
VTS V< pick-up (P642)
VTS V< pick-up (P643/5)
VTS V< drop-off (P642)
VTS V< drop-off (P643/5)
VTS V2> pick-up (P642/3/5)
VTS V2> drop-off (P642/3/5)
Fast block operation
Fast block reset
Time delay
Pick-up and drop-off repeatability
7.2

CURRENT TRANSFORMER SUPERVISION

CTS I1 pick-up ratio
CTS I2/I1>1 pick-up ratio
CTS I2/I1>2 pick-up ratio
CTS I1 drop-off ratio
CTS I2/I1>1 drop-off ratio
CTS I2/I1>2 drop-off ratio
Pick-up and drop-off repeatability
Time delay operation
CTS terminal block operation
CTS differential block operation
CTS reset time
CTS disengagement time
7.3

POLE DEAD PROTECTION

Current pick-up
Current drop-off
Voltage pick-up
Voltage drop-off
DT operate
466
Setting +/- 5% or 50 mA, whichever is greater
0.9 x Setting +/- 5% or 50 mA, whichever is greater
Setting +/- 5% or 50 mA, whichever is greater
0.95 x Setting +/- 5% or 50 mA, whichever is greater
70V +/- 5%
10V +/- 5%
95V +/- 5%
30V +/- 5%
10V +/- 5%
9.5V +/- 5%
< 25 ms
< 30 ms
Setting +/- 2% or 50 ms, whichever is greater
< 1%
Setting +/- 5% or 20 mA, whichever is greater
0.95 x Setting +/- 5% or 20 mA, whichever is greater
1.05 x setting +/- 5% or 20 mA, whichever is greater
0.95 x setting +/-5% or 20 mA, whichever is greater
Setting +/-5% or 20 mA, whichever is greater
Setting +/-5% or 20 mA, whichever is greater
< 3%
Setting +/-2% or 50 ms, whichever is greater
< 25 ms
< 30 ms
< 25 ms
< 30 ms
50 mA +/- 20 mA
55 mA +/- 20 mA
10V +/- 5%
30V +/- 5%
< 50 ms
P64x
P64x-TM-EN-1.3