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Type
Function
MMP-C (Current type)
MMP-S (Select ground fault)
MMP-P (Power type)
Currents
Overcurrent
●
●
●
Locked Rotor
●
●
●
Stall
●
●
●
Phase loss
●
●
●
Imbalance
●
●
●
Phase reversal overcurrent
●
●
●
Undercurrent
●
●
●
Zero-phase ground current
●
●
●
Residual ground current
●
●
●
Instanteous
●
●
●
Select ground fault
-
●
-
Voltages
Overvoltage
-
-
●
Undervoltage
-
-
●
Phase loss
-
-
●
Imbalance
-
-
●
Phase reversal overvoltage
-
-
●
ground current overvoltage
●
-
Power
Overpower
-
-
●
Underpower
-
-
●
Over power factor
-
-
●
Under power factor
-
-
●
Measurement
Range
Accuracy(%)
Remarks
Voltage(V)
0.00V~9999V
±1.0%
Phase1 : Phase voltage, Phase3 : Line voltage
Current(A)
0.00A~9999A
±1.0%
Phase current
Zero-phase current(In)
0.00A~9999A
±3.0%
-
Reverse current(I
2
)
0.00A~9999A
±3.0%
-
Active power(W)
0.000W~999.9MW
±1.0%
Forward
Reactive power(VAR)
0.000W~999.9MVAR
±1.0%
Forward
Active power amount(WH)
0.000W~999.9MWH
±1.0%
-
Reactive power amount(WVARH)
0.000W~999.9MVARH
±1.0%
-
PF
-1.00~1.00
±0.03
cosθ
Voltage hamonics(%)
0~100%
±5.0%
2
nd
-16
th
odd harmonics
Current hamonics(%)
0~100%
±5.0%
2
nd
-16
th
odd harmonics
Product functions
Measurement function
Product characteristics
Protective functions
76
Electronic Motor Protection Relays
Содержание EMPR DMPi Series
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