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connect in common busbar&we have variable load.
|why do we need the body earth?
|TRANSFORMERS WITH DC SUPPLY
|why the transformer primary and secondary windins vector
groups vary? why it is something like Dy11 and not as Dy or
|Whats the principle of lightning? How protection against
lightning is achieved? Types of protection? How to select
the height of lightning spike? as per the area.
i want to ask that what is diversity factor. please
explain breifly. because i hve quiet no concept about this.
|for a 132/33kv transformer secondary is star and is
connected to NER. and from secondary a cable is running to
33kv swbd. since the cable is single core do i have to run
neutral cable also to 33kv swbd.???
|give information about REM5453 & SPAJ Relays
|Why we should use delta connection in primary and star
connection in an distribution transformer, which converts
400v a.c. voltage to 33kv.
|How can w select the cable size for different rating load
& also waht r factors affecting the during selection of
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