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Intelligence-Embedded Devices... more than Protection Relays

 

 

 

 

 

 

 

 
 

 
 
 

Application
The relay type NS20 can be tipically used in power station when two synchronous lines must be paralleled.
Protective functions
25 - Synchronizing
27 - Undervoltage
59 - Overvoltage
81O - Overfrequency
81U - Underfrequency
 
   

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