Brief Introduction and Type Selection for Cable type Fault Indicators

Function:

  • Indicates calbe lines interphase short-circuit fault and single phase earthing fault;

  • Locally indicates load current and cable terminal temperature;

  • Convinent for fault inquire, fault positioning, and fault shooting.


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Fault Criterion:

  • Fixed time limit criterion  600A 800A 1000A  ... ...

  • Self-adaptive criterion  200A  50ms-3s 

  1. Load fluctuation erro-prevention

  2. Transformer unload closing inrush erro-prevention

  3. Line sudden-close load inrush erro-prevention

  4. Manual switching heavy load erro-prevention

  5. Non-fault phase reclosing closing inrush erro-prevention


Type Selection for DJGI series´╝Ü

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