Shenzhen Guodian Xuzhen Electric Technology Co., Ltd.

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TEL:400-698-3738
Shenzhen Guodian Xuzhen Electric Technology Co., Ltd. Address:
龙岗区龙城街道五联瓦窑东路26号安能泰工业园
Microcomputer intelligent excitation controller
产品型号: GD980

The GD980 microcomputer excitation regulator developed by our company is specially designed for the single operation of hydraulic generators and diesel generators or the parallel and grid-connected operation of multiple sets of units. Exciting transformers (brushed motors) suitable for any...

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Features

When running with load, it can run in three excitation modes: constant power factor, constant voltage, Constantly running.

No-load V/F given characteristics, long-term low-speed standby, guaranteed excitation The current is just too large.
Constant voltage mode can set the size of reactive power adjustment to ensure multiple machines In parallel operation, the reactive power distribution is stable and balanced.
The grid-connected constant power factor operation function makes it unnecessary to add or subtract loads. Manually adjust the excitation.
The detection current has the same name termination reverse alarm function.
Load shedding automatic voltage regulation function, no need to manually adjust the excitation when the load trips .
No-load automatic tracking grid voltage function, which can ensure the smooth input of grid connection.
No-load over-voltage or over-frequency automatic de-excitation, and the value can be set.
No-load low frequency (adjustable) de-excitation function, no need to manually turn off the excitation.
Strong excitation, over excitation, under excitation limit function, the size can be set.
Chinese LCD display function, which can display grid voltage, generator voltage, current, Frequency, power factor, and percentage of excitation voltage.
Full Chinese setting menu, simple and clear, parameters can be debugged without manual.


technical parameter
Scope of application: All kinds of medium and small generators.  
Input signal: Measuring voltage: generator voltage AC0-600V (high voltage generator can be customized AC0-150V).  
Grid voltageAC0-600V (high voltage generator can be customized AC0-150V) (stand-alone operation is not connected).  
Difference current: Connect to the secondary side of the nominal AC5A current transformer (current that is out of phase with the generator measurement voltage).  
Excitation Power (Brushless): RatedAC200-240V. (beyond the scope needs to be customized).  
Sync voltage (with brush): RatedAC80-200V. (beyond the scope needs to be customized).  
Working power supply:DC16~30V.  
Grid-connected signal(closing feedback): use the main switch closing signal (normally open or normally closed, can be set).  
Brushless excitation rated output: voltage20~160V; current does not exceed 10A continuously, and the maximum excitation current does not exceed 20A. (beyond the scope needs to be customized).  
Frequency measurement accuracy: not less than ±0.1%.
Case show
  • Automatic power generation control system for hydropower station
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    Automatic power generation control system for hydropower station

  • Automatic power generation control system for hydropower station
    enlarge

    Automatic power generation control system for hydropower station

  • Automatic power generation control system for hydropower station
    enlarge

    Automatic power generation control system for hydropower station