BUS BAR SCHEMES

Introduction:

The selection of any bus bar system depends upon the following:

1. Amount of flexibility required in operation.

2. Immunity from total shutdown.

3. Initial cost of the installation.

4. Load handled by the busbar.

Busbar systems are of the following types:

Single bus single breaker scheme:

Such busbar scheme is........

 FOR COMPLETE FILE PLZ DOWNLOAD FROM BELOW LINK

Read More

SUBSTATION GROUNDING SYSTEM

SUBSTATION GROUNDING SYSTEM

Fundamental theory:

The sole purpose of substation grounding/earthing is to protect the equipment from surges and lightning strikes and to protect the operating persons in the substation. The substation earthing system is necessary for connecting neutral points of transformers and generators to ground and also for connecting the non current carrying metal parts such as structures, overhead shielding wires, tanks, frames, etc to earth. Earthing ofsurge arresters is through the earthing system. The function of substation earthin......

Read More