LUMEL
3-Phase Network Meter, ND1
Measurement, visualization and recording of over 300 parameters of 3-phase balanced or unbalanced power network
- phase voltages: U1, U2, U3and phase currents: I1, I2, I3
- phase-to-phase voltages: U12, U23, U31
- active phase powers: P1, P2, P3
- reactive phase powers: Q1, Q2, Q3
- apparent phase powers: S1, S2, S3
- active power factors: PF1, PF2, PF3
- reactive/active power factors: tgφ1, tgφ2, tgφ3
- mean phase-to-phase voltage: UsUmf
- current in neutral wire and mean 3-phase current: Io, Is
- active, reactive and apparent 3-phase power: P, Q, S
- mean 3-phase power factors: PF, tgφ
- frequency f and frequency deviation
- 15 minutes’ mean active power: PAV
- active, reactive and apparent 3-phase energy: EnP, EnQ, EnS
- THD for voltage and phase current
- harmonics for current and phase voltage up to 51 st !
- storage of min and max values
- recording of dips and voltage decays
- monitoring of run function
- voltage asymetry
- flicker parameters: PST, PLT
- Measures parameters of 3-Phase or 3/4 wire symetrical/asymetrical systems
- RS485 MODBUS (Optional)
- 2 Alarm outputs, 1 Pulse output for active energy
Selected variant
Technical data
Product description
Measurement, visualization and recording of over 300 parameters of 3-phase balanced or unbalanced power network
- phase voltages: U1, U2, U3and phase currents: I1, I2, I3
- phase-to-phase voltages: U12, U23, U31
- active phase powers: P1, P2, P3
- reactive phase powers: Q1, Q2, Q3
- apparent phase powers: S1, S2, S3
- active power factors: PF1, PF2, PF3
- reactive/active power factors: tgφ1, tgφ2, tgφ3
- mean phase-to-phase voltage: UsUmf
- current in neutral wire and mean 3-phase current: Io, Is
- active, reactive and apparent 3-phase power: P, Q, S
- mean 3-phase power factors: PF, tgφ
- frequency f and frequency deviation
- 15 minutes’ mean active power: PAV
- active, reactive and apparent 3-phase energy: EnP, EnQ, EnS
- THD for voltage and phase current
- harmonics for current and phase voltage up to 51 st !
- storage of min and max values
- recording of dips and voltage decays
- monitoring of run function
- voltage asymetry
- flicker parameters: PST, PLT
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