Electric Power Generation
Installation and maintenance
5747 en - 2018.10 / a
Dual plate D700
6
1.3. Technical characteristics
Plate equipped with two AVRs for generators, with the following main regulation functions: voltage, power factor,
voltage match circuit, kVAR, power factor at the delivery point, manual mode.
For each AVR:
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Generator voltage sensing:
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3 phases without neutral, 3 phases with neutral, 2 phases or 1 phase with neutral
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Three-phase range
0-230 VAC or 0-530 VAC (120% max. 2 minutes)
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Consumption
< 2 VA
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Mains voltage sensing:
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3 phases without neutral, 3 phases with neutral, 2 phases or 1 phase with neutral
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Three-phase range
0-230 VAC or 0-530 VAC (120% max. 2 minutes)
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Consumption
< 2 VA
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Stator current measurement with a CT:
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1 or 3 phases
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Range
0-1 A or 0-5 A (300% max. 30 s)
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Consumption
< 2 VA
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Power supply:
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AC
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4 terminals for PMG, AREP, SHUNT
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2 separate circuits
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Range
50-277 VAC (115% max. 2 minutes)
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Consumption
< 3000 VA
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DC (precharging not managed):
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Range
50-400 VDC (110% max. 2 minutes)
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Consumption
< 3000 VA
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Field current:
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Rated
0-25 A
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Short-circuit
max. 50 A, at 25°C
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Field winding resistance
> 4 Ohm
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Frequency measurement:
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Range
30-400 Hz
For the plate:
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3 auxiliary power supplies: 250 VAC max 50/60 Hz – 24 VDC - 2 A max each
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D700 AVRs:
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Voltage regulation accuracy: +/-0.25% of the rated value, as an average of the three phases on a linear
load, with harmonic distortion of less than 5%
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Voltage adjustment range: 0 to 150% of the rated voltage by means of volt-free contacts or an analog input
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Quadrature droop adjustment range: -20% to 20%
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Underspeed protection: integrated, adjustable threshold, slope adjustable from 0.5 to 3 x V/Hz in steps
of 0.1 V/Hz
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Field excitation ceiling: can be adjusted by the configuration at 3 points
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Environment: ambient temperature of -40°C to +65°C, relative humidity up to 95%, no condensation,
cabinet-mounted with vibration level up to +/1 mm for frequencies from 0 to 25 Hz and less than 2 g for
frequencies from 25 to 100 Hz.
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AVR parameters set with the "EasyReg Advanced" software provided or using communication interfaces.
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Dimensions:
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Height: 750 mm
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Width: 750 mm
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Depth: 120 mm
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Weight: <30 kg