Generator and Motor Commander

Synchronous machine control and protection in one package!

The Generator and Motor Commander is a new innovation that combines synchronous machine protection and control into a single unit. Compared to traditional systems with several separate units and software, the Commander takes less space and saves considerable hours of engineering time. Additionally, its operation is smooth as there is only one interface to the system.

 

Highlights

  • Over 86% space savings compared to traditional solutions.
  • Less spare parts needed.
  • One easy-to-use software saves engineering time.
  • The software wizard adapts the data from the generator specifications and calculates the majority of the parameters directly.
  • 0.2S class measurement, robust technology and the newest protection functions guarantee the best solution available on the market.


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  • Non-directional overcurrent (I>; 50/51) - 4 stages (INST, DT or IDMT)
  • Non-directional earth fault (I0>; 50N/51N) - 4 stages (INST, DT or IDMT)
  • Directional overcurrent (Idir>; 67) - 4 stages (INST, DT or IDMT)
  • Directional earth fault (I0dir>; 67N/32N) - 4 stages (INST, DT or IDMT)
  • Negative sequence overcurrent/ Phase current reversal/ Current unbalance (I2>; 46/46R/46L) - 4 stages (INST, DT or IDMT)
  • Harmonic overcurrent (Ih>; 50H/51H/68H) - 4 stages (INST, DT or IDMT)
  • Voltage-restrained overcurrent (Iv>; 51V)
  • Overvoltage (U>; 59) - 4 stages (INST, DT or IDMT)
  • Undervoltage (U<; 27) - 4 stages (INST, DT or IDMT)
  • Neutral overvoltage (U0>; 59N) - 4 stages (INST, DT or IDMT)
  • Sequence voltage (U1/U2>/<; 47/27P/59PN) - 4 stages (INST, DT or IDMT)
  • Circuit breaker failure protection (CBFP; 50BF/52BF)
  • Power protection (P, Q, S>/<; 32) - 4 stages (DT)
  • Overfrequency and underfrequency (f>/<; 81O/81U) - 8 stages (INST or DT)
  • Rate-of-change of frequency (df/dt>/<; 81R) - 8 stage (DT)
  • Volts-per-hertz overexcitation (V/Hz>; 24)
  • Power factor (PF<; 55)
  • Underexcitation (Q<; 40)
  • Underimpedance (Z<; 21U)
  • Inadvertent energizing (I>U<I.A.E.; 50/27)
  • Generator/transformer differential (87T/87N/87G)
  • Machine thermal overload (TM>; 49M)
  • 100 % stator earth fault (U03rd>; 64S)
  • Voltage memory
  • Programmable stage (PGx>/<; 99)
  • Arc protection (IArc>/I0Arc>; 50Arc/50NArc) (optional)
  • Non-directional overcurrent (I>; 50/51) - 4 stages (INST, DT or IDMT)
  • Non-directional earth fault (I0>; 50N/51N) - 4 stages (INST, DT or IDMT)
  • Directional overcurrent (Idir>; 67) - 4 stages (INST, DT or IDMT)
  • Directional earth fault (I0dir>; 67N/32N) - 4 stages (INST, DT or IDMT)
  • Negative sequence overcurrent/ Phase current reversal/ Current unbalance (I2>; 46/46R/46L) - 4 stages (INST, DT or IDMT)
  • Harmonic overcurrent (Ih>; 50H/51H/68H) - 4 stages (INST, DT or IDMT)
  • High-impedance or low-impedance restricted earth fault/ Cable end differential (I0d>; 87N)
  • Overvoltage (U>; 59) - 4 stages (INST, DT or IDMT)
  • Undervoltage (U<; 27) - 4 stages (INST, DT or IDMT)
  • Neutral overvoltage (U0>; 59N) - 4 stages (INST, DT or IDMT)
  • Sequence voltage (U1/U2>/<; 47/27P/59PN) - 4 stages (INST, DT or IDMT)
  • Circuit breaker failure protection (CBFP; 50BF/52BF)
  • Power protection (P, Q, S>/<; 32) - 4 stages (DT)
  • Overfrequency and underfrequency (f>/<; 81O/81U) - 8 stages (INST or DT)
  • Power factor (PF<; 55)
  • Resistance temperature detectors
  • Motor status monitoring
  • Generator/transformer differential (87T/87N/87G)
  • Motor start/ Locked rotor monitoring (Ist>; 48/14)
  • Machine thermal overload (TM>; 49M)
  • Mechanical jam (Im>; 51M)
  • Frequent start (N>; 66)
  • Non-directional undercurrent (I<; 37)
  • Voltage memory
  • Programmable stage (PGx>/<; 99)
  • Arc protection (IArc>/I0Arc>; 50Arc/50NArc) (optional)
  • Number of objects to control and monitor: 10
  • Number of indicators to monitor: 10
  • Number of setting groups: 8
  • Vector jump (Δφ; 78)
  • Synchrocheck (ΔV/Δa/Δf; 25)
  • Synchronizer (ΔV/Δa/Δf; 25) (optional)
  • Excitation with external IGBT bridge
  • Phase, sequence and residual currents (IL1, IL2, IL3, I01, I02)
  • Phase, sequence and residual voltages (UL1, UL2, UL3, U12, U23, U31, U0)
  • Frequency (f)
  • Power (P, Q, S, pf) and Energy (E+, E-, Eq+, Eq-)
  • Power and energy class 0.5
  • Power and energy class 0.2S (optional)
  • Current transformer supervision - 2 instances
  • Voltage transformer supervision (60)
  • Circuit breaker wear monitoring
  • Total harmonic distortion
  • Event recorder (max. 15 000 permanent event records)
  • Disturbance recorder (max. 100 records á 5 seconds at 3.2 kHz sampling)
  • Running hour counter
  • Measurement recorder
  • Measurement value recorder
  • Current inputs: 10
  • Voltage inputs: 4
  • Digital inputs (fixed): 3
  • Digital outputs (fixed): 5
  • Options (9 slots)
  • Digital inputs: +8/16/24/32/40/48/56/64/72
  • Digital outputs: +5/10/15/20/25/30
  • Milliampere I/O module (4 mA outputs + 1 mA input)
  • Arc protection module (4 sensors + 2 HSO + 1 BI)
  • External I/O modules (see "Accessories" tab)
  • Communication media (specified in the "Communication" tab)
  • Communication inputs
  • RJ-45 100 Mbps Ethernet (front panel, fixed)
  • RJ-45 100 Mbps Ethernet and RS-485 (rear panel, fixed)
  • 2 x RJ-45 100 Mbps Ethernet with an IRIG-B input (optional)
  • 2 x ST 100 Mbps Ethernet with an IRIG-B input (optional)
  • 2 x LC 100 Mbps Ethernet (PRP/HSR) (optional)
  • RS-232 serial fiber (PP/PG/GP/GG) (optional)
  • Communication protocols
  • IEC 61850
  • IEC 60870-5-101/104
  • IEC 60870-5-103
  • Modbus/RTU and Modbus/TCP
  • DNP3
  • SPA

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