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Generator |
| Usage: | Generator |
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generator avr 300kw MX341 ac automatic voltage regulator PMG
MX341 Permanent Magnet Generator type voltage regulator is a compatible replacement for NS MX341 and Onan 305-0846.
MX341 is 2 phase sensed Automatic Voltage Regulator and forms part of the excitation system for a brushless generator.Excitation power is derived from a three phased permanent magnet generator(PMG),to isolate the AVR.control circuits from the effects of nonlinear loads and to reduce radio frequency interence on the generator terminals.Sustained generator short circuit current is another feature of the PMG system.
The AVR sense the voltage in the main generator winding and controls the excitation to maintain the generator output voltage with the specified limits,compensating for load,speed,temperature and power factor of the generator.Thress phase RMS sensing is emplyed for superior voltage regulation.
Adjustable soft start circuitry is included to provide a smooth controlled build up of generator output voltage.
Voltage Regulation < ±1%
3 Phase PMG Power Input
For Use In Parallel Operation
Adjustable EXC TRIP, DIP, TRIM & DROOP Functions
Soft Start Voltage Ramping
Under Frequency Roll Off Protection
UFRO & Over Excitation LED Indicators
Sensing Input
Voltage: 190-264VAC, 1 phase 2 wire
Frequency:50-60Hz nominal
Power Input (PMG)
Voltage:170-220VAC , 3 phase 3 wire
Current:continuous 3A/phase
Frequency:100-200Hz nominal
Output
Voltage:max 120VDC
Current:continuous 2.7ADC , intermittent 6A for 10 secs
Resistance:15 ? minimum
Regulation:+/-1% RMS with 4% engine governing
Voltage build-up:residual voltage at avr terminal ?5VAC
External Voltage Adjustment:+/-10% with 1k ohm 1 watt trimmer
the AVR is use for the following magnetic generator set.
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