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It is suitable for grid connection or parallel connection of low-voltage 400V generator sets; the main equipment manufacturers and automation enterprises are integrated to form a device for automatic operation of hydropower stations.
◆Ensure to capture the first time of grid connection, accurate, fast, reliable and shock-free grid connection;
◆Automatic variable parameter frequency modulation, voltage regulation, accurate prediction of closing phase angle;
◆It can be used for low voltage 400V, single generator, single line closing and grid connection;
◆The synchronization parameters that can be set according to the requirements are: allowable pressure difference, allowable frequency difference, the actual rated voltage of the TV on the side to be paralleled, the actual rated voltage of the TV on the system side, Overvoltage protection value;
◆This device has various faults such as grid disconnection, generator disconnection, excessive grid frequency deviation, excessive generator frequency deviation, abnormal grid voltage, and generator overvoltage. Detection function: These faults are not allowed to issue a synchronous closing command.
◆With generator voltage, generator frequency, grid voltage, grid frequency, generator and grid voltage difference, generator and grid frequency difference, generator and grid phase difference number display function.
◆Power AC: 110V～280V/50Hz DC: 100V～250V
◆Input signal:
Generator voltage: 0V～400V+110V
Grid voltage: 0V～400V+110V
◆Output signal:
Synchronous closing switch signal, output in relay mode.
Contact capacity is AC resistive 220V/5A; AC resistive 380V/2A;
DC 110V/0.8A, DC 220V/0.2A
◆Working Environment:
Ambient temperature: -15℃～＋45℃
Altitude: Areas below 2500 meters
◆Dimensions
Chassis size: H×W×D=75×150×180 mm
Hole size: height × width = 75 × 150 mm
Panel height×width=80×160 mm
