Micom ALSTOM P341, Technical Data Sheet

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P341 Technical Data Sheet
19
P341 Software versions 36 & 71J
Generator overfrequency
Pick-up: Setting
±
0.01 Hz
Drop-off: (Setting -0.1 Hz) ±0.01 Hz
Repeatability: <1%
Check Synch
Accuracy
CS1
CS1 Phase Angle:
Pick-up: (Setting-2°) ±1°
Drop-off: (Setting-1°) ±1°
Repeatability: <1%
CS1 Slip Freq:
Pick-up: Setting ±0.01 Hz
Drop-off: (0.95 x Setting) ±0.01 Hz
Repeatability: <1%
CS1 Slip Timer:
Timers: setting ±1% or 40 ms whichever is
greater
Reset time: < 30 ms
Repeatability: <10ms
CS2
CS2 Phase Angle:
Pick-up: (Setting-2°) ±1°
Drop-off: (Setting-1°) ±1°
Repeatability: <1%
CS2 Slip Freq:
Pick-up: Setting ±0.01 Hz
Drop-off: (0.95 x Setting) ±0.01 Hz
Repeatability: <1%
CS2 Slip Timer:
Timer: setting ±1% or 40 ms whichever is
greater
Reset time: < 30 ms
Repeatability: <1%
CS2 Advanced CB Compensation Phase
Angle:
Pick-up: 0°±1°
Drop-off: 2°±1°
Repeatability: <1%
CS2 CB Closing Timer
Timer: <30 ms
Repeatability: <10 ms
System Split
Accuracy
SS Phase Angle:
Pick-up: (2°) ±1°
Drop-off: (1°) ±1°
Repeatability: <1%
SS Undervoltage:
Pick-up: Setting ±3%
Drop-off: 1.02 x Setting
Repeatability: <1%
SS Timer:
Timers: setting ±1% or 40 ms whichever is
greater
Reset time: <30 ms
Repeatability: <10 ms
Plant supervision
CB state monitoring control and
condition monitoring
Accuracy
Timers:
±
2% or 20 ms whichever is greater
Broken current accuracy:
±
5%
Dynamic rating
Accuracy
DLR I> Pick-up: Setting
±
2%
DLR I> Drop-off: (0.7 to 0.99) x Setting
±
2%
DT operation:
±
2% or 2 s whichever is greater
Instantaneous operation: <2 s
Disengagement time: <1 s
Repeatability (operating times): <2 s
Repeatability (PU and DO): <3%
Programmable scheme logic
Accuracy
Output conditioner timer: Setting
±
2% or 50 ms
whichever is greater
Dwell conditioner timer: Setting
±
2% or 50 ms
whichever is greater
Pulse conditioner timer: Setting
±
2% or 50 ms
whichever is greater
Measurements and recording
facilities