GE D30 Instruction Manual page 37

CHAPTER 2: PRODUCT DESCRIPTION
PHASE OVERVOLTAGE
Pickup level:
Dropout level:
Level accuracy:
Pickup delay:
Operate time:
Timer accuracy:
NEUTRAL OVERVOLTAGE
Pickup level:
Dropout level:
Level accuracy:
Pickup delay:
Reset delay:
Curve timing accuracy at >1.1 pickup: ±3.5% of operate time or ±1 cycle (whichever is greater) from pickup to operate
Operate time:
AUXILIARY OVERVOLTAGE
Pickup level:
Dropout level:
Level accuracy:
Pickup delay:
Reset delay:
Timer accuracy:
Operate time:
NEGATIVE SEQUENCE OVERVOLTAGE
Pickup level:
Dropout level:
Level accuracy:
Pickup delay:
Reset delay:
Timer accuracy:
Operate time:
UNDERFREQUENCY
Minimum signal:
Pickup level:
Dropout level:
Level accuracy:
Time delay:
Timer accuracy:
Operate time:
Typical times are average operate times including variables, such as frequency change instance, and test method, and can vary by ±0.5
cycles.
RATE OF CHANGE OF FREQUENCY
df/dt trend:
df/dt pickup level:
df/dt dropout level:
df/dt level accuracy:
Overvoltage supv.:
Overcurrent supv.:
Pickup delay:
Reset delay:
D30 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
0.004 to 3.000 pu in steps of 0.001
97 to 98% of pickup
±0.5% of reading from 10 to 208 V
0.00 to 600.00 in steps of 0.01 s
<30 ms at 1.10 × pickup at 60 Hz
±3% of operate time or ±1/4 cycle (whichever is greater)
0.004 to 3.000 pu in steps of 0.001
97 to 98% of pickup
±0.5% of reading from 10 to 208 V
0.00 to 600.00 s in steps of 0.01 (definite time) or user-defined curve
0.00 to 600.00 s in steps of 0.01
<30 ms at 1.10 pickup at 60 Hz
0.004 to 3.000 pu in steps of 0.001
97 to 98% of pickup
±0.5% of reading from 10 to 208 V
0 to 600.00 s in steps of 0.01
0 to 600.00 s in steps of 0.01
±3% of operate time or ±1/4 cycle (whichever is greater)
<30 ms at 1.10 × pickup at 60 Hz
0.004 to 1.250 pu in steps of 0.001
97 to 98% of pickup
±0.5% of reading from 10 to 208 V
0 to 600.00 s in steps of 0.01
0 to 600.00 s in steps of 0.01
±3% of operate time or ±20 ms, whichever is greater
<30 ms at 1.10 × pickup at 60 Hz
0.10 to 1.25 pu in steps of 0.01
20.00 to 65.00 Hz in steps of 0.01
pickup + 0.03 Hz
±0.001 Hz
0 to 65.535 s in steps of 0.001
±3% of operate time or ±1/4 cycle (whichever is greater)
typically 4 cycles at 0.1 Hz/s change
typically 3.5 cycles at 0.3 Hz/s change
typically 3 cycles at 0.5 Hz/s change
increasing, decreasing, bi-directional
0.10 to 15.00 Hz/s in steps of 0.01
96% of pickup
80 mHz/s or 3.5%, whichever is greater
0.100 to 3.000 pu in steps of 0.001
0.020 to 30.000 pu in steps of 0.001
0 to 65.535 s in steps of 0.001
0 to 65.535 s in steps of 0.001
SPECIFICATIONS
2
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