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  9672C integrated protection measurement and control device for transformer= distribution transformer and differential protection+ distribution transformer and back-up protection. One can be used as two. The transformer supplies in electric power sector and industrial and mining enterprises in general and the transformer is a complete and practical integrated protection.
Protection functions:
        Differential Current instantaneous trip protection
       Percentage differential protection
       CT line-break locking Percentage differential protection    
       Current instantaneous trip protection
       Over current protection 
       Overload Protection   
       Zero-Sequence Over-Current Protection 
       Low voltage protection (Tripping operation) 
        Non-electricity protection  
       Light gas (Alarm)
       Heavy gas (tripping operation)   
       Temperature rise (tripping operation)   
       Excessive temperature (tripping operation)    
       Pressure release (turn on- tripping operation; turn off- alarm)
 
Measurement functions:
       Busbar voltage : Uab、Ubc、Uca;Ua、Ub、Uc;
       Measuring current : Ia、 Ib、 Ic、
       Power: P Q
       Frequency: f
       Power factor: cosФ
 
 Control functions:
       Control the circuit break
       Opening and closing of circuit breaker by hand
       Opening and closing of circuit breaker by remote control
       Fault recording
 
Communication mode
       485 communication
      Ethernet communication
        Fiber-optic communication









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