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ZW32-12 Circuit breaker on primary and secondary fusion column

The scheme of deep integration electronic transformer of circuit breaker on primary and secondary fusion column meets the requirements of standardized customized scheme of State Grid, integrates electronic voltage transformer and electronic current transformer with priority in the industry, cooperates with electronic automatic feeder terminal, has remote control, telemetry, remote signaling and fault detection functions, and communicates with distribution automation master station, Provide the operation of the distribution system, various parameters and information required for monitoring and control, including switch status, electric energy parameters, phase to phase fault, grounding fault and parameters in case of fault, execute the commands issued by the main distribution station, adjust and control the distribution equipment, and realize the functions of fault location, fault isolation and rapid restoration of power supply in non fault areas.
华拓集团
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Product overview
The scheme of deep integration electronic transformer of circuit breaker on primary and secondary fusion column meets the requirements of standardized customized scheme of State Grid, integrates electronic voltage transformer and electronic current transformer with priority in the industry, cooperates with electronic automatic feeder terminal, has remote control, telemetry, remote signaling and fault detection functions, and communicates with distribution automation master station, Provide the operation of the distribution system, various parameters and information required for monitoring and control, including switch status, electric energy parameters, phase to phase fault, grounding fault and parameters in case of fault, execute the commands issued by the main distribution station, adjust and control the distribution equipment, and realize the functions of fault location, fault isolation and rapid restoration of power supply in non fault areas.

 

Working conditions
◊ altitude: ≤ 2000m and below;
◊ ambient air temperature: upper limit + 30 ° C, lower limit - 40 ° C; ◊ the wind pressure shall not exceed 700pa (equivalent to the wind speed of 34m / s);
◊ amplitude: impermanent violent vibration;
◊ anti pollution grade III.

 

Technical parameter

Transformer type Project Parameter value
Electronic and digital transformer Power transformer Power supply: line voltage 10kV / 0.22kv, level 3
  Voltage transformer

Measurement: (10kW / 3) / (3.25w / 3), level 0.5

 

  Zero sequence voltage sensor

(10kV/根号3) / (6.5V/根号3) Class 3P

  Phase current transformer

600A/1V Grade 0.5

  Sequence current transformer

20A/0.2A, Level 1,10P30

 

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