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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
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Microcomputer intelligent excitation controller
产品型号： GDX-6

Applicable to domestic 6.3KV, 10.5KV high-voltage brushed generator sets. It is suitable for the integration of host control equipment manufacturers and automation enterprises to form a device for automatic operation of power stations (factories).

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Features
 GDX series excitation controller only needs one key to start, it can realize automatic excitation control and unattended operation;
◆ Automatically track the grid voltage before the generator is connected to the grid;
◆ After connecting to the grid, it will run according to the set power factor value to achieve constant power factor;
◆ After tripping, the voltage will automatically return to the set value to prevent overvoltage;
◆ Automatically demagnetize when the frequency of the shutdown process is too low;
◆ "Single machine operation" automatically runs according to the set voltage, which can keep the generator voltage constant;
◆ Automatically reduce the excitation (reactive power) when the generator is overcurrent (overcurrent) to prevent the generator from overcurrent;
◆ Low excitation limit to ensure that the generator voltage will not be too low and run in phase;
◆ Can set parameters for unstable excitation operation of special units;
◆ Password protection for setting values to prevent parameters from being modified by unrelated persons;
◆ Equipped with interfaces such as host computer communication to realize computer remote control (optional)
technical parameter
◆ GDX-6 Scope:
◆6300V or 10500V high voltage generator excitation control system.
◆ is suitable for any connection method of excitation transformer, including Y/△-11, △/Y -11, Y/Y -12 and other connection methods .
◆The wiring form of the main rectifier circuit is: three-phase thyristor fully controlled bridge rectifier circuit
◆ Input Signal:
◆Current: String generator stator C-phase current transformer, rated current: 5A
◆Voltage: The generator line voltage is 100V (connected to the PT secondary side), and the three-phase voltage is connected in positive phase sequence. Grid line voltage A, B phase 100V (connected to PT secondary side).
◆ Identification of grid connection: Auxiliary contact of generator outlet circuit breaker: normally open contact.
◆ Output signal: common anode three-phase thyristor trigger pulse signal.
◆ Ambient temperature: -10°C～+50°C< /span>
Elevation: Below 2500 meters
◆Exterior size: controller (height) 120 mm × (width) 180 mm×(depth) 200mm
◆cut size: (length) 182 mm × (height) 122 mm see Outline Drawing
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

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