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LIXiSE generator avr 3 phase automatic voltage regulator MX321

*3 Phase Sensing Permanent Magnet Generator type voltage regulator is a compatible replacement for Newage MX321 and Onan 305-0823.
* MX321 is a three 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 reguce 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.
Sensing input | |
voltage | 190 -264V ac max,2 or 3 phase |
Frequency | 50-60 Hz nominal |
Power input (PMG) | |
Voltage | 190-220V ac max.3 phase ,3 wire |
current | 3A/phase |
Output | |
Voltage | Max 120V dc |
Current | Continuous 3.7 A ( see note 1 ) Intermittent 6A for 10 secs |
resistance | 15 ohms minimum |
regulation | +/- 0.5% RMS with 4% engine governing (see note 2 ) |
Thermal drift | 0.02% per deg .C change in AVR ambient (note 3 ) |
Soft start ramp time | 0.4 - 4 seconds |
Typical system response | |
AVR response | 10 ms |
Filed current to 90% | 80 ms |
Machine volts to 97% | 300 ms |
External voltage adjustment | +/- 10% with 5 k ohm 1 watt trimmer (see note 4 ) |
Under frequency protection | |
Set point | 95% Hz (see note 5 ) |
Slope | 100-300% down to 30 Hz |
Max Dwell | 20% volts/s recovery |
Unit power dissipation | 18 watts maximum |
Analogue input | |
Maximum input | +/- 5V dc (see note 6) |
sensitivity | 1v for 5% generator volts (adjustment ) |
Input resistance | 1k ohm |
Quadrature input | |
10 ohms burden |
|
Max sensitivity | 0.22 A for 5% droop OPF |
Max input | 0.33 A |
Current voltage detection input | |
Set point | 300V .time delay:1 sec(fixed ) |
CB trip coil volts | 10 - 30 V dc |
CB trip coil resistance | 20-60 ohms |
Over excitation protection | |
Set point | 75 V dc |
Time delay | 8-15 seconds( fixed ) |
environmental | |
vibration | 20 - 100 Hz 50mm/sec |
| 100Hz - 2k Hz 3.3g |
Operating temperature | -40 to +70 degree |
Relative humdity 0-70 degree | 95% (see note 7 ) |
Storage temperature | -55 to + 80 degree |

| Apply |
| * Biogas Power Generation |
| *Natural Gas Power |
| *Field Engineering |
| *Electric Power |
| *Factory |
| *Fire-fighting |
| MOVE ADVANTAGE | |||
| sales | 4000pcs/month | the fastest transit time | 2days! |
| inventory situation | a lauge number of stocks | operational advantages | easy for operation |
| production cycle | 1~3days | Service | answer all of your questions within 1day |


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1. Guarantee:365 days after selled.
2. During guarantee,the items share free repairs or replacement.
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