Answer Posted / syamkumar

DG synchronization panel is required to parelleling of 2 or 
more DG's it may be as per the load dependent .one DG will 
be ON as per the master and other will synch oce the 
Frequecy ,voltage matches with master DG .this is required 
to share the load. 

Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

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