Fault scenario simulation in a feeder
The function of __________ is to isolate the part of the power system in case of abnormal conditions.
In oil circuit breaker (O.C.B) the range exists between
The voltage across the contacts during the arcing period is known as
The transient voltage appearing across the contacts during arc period is called ________
When low inductive current is interrupted by a Circuit breaker and the arc generating force of the Circuit breaker and is more than necessary to interrupt a low magnitude of current, the current will be interrupted before its natural zero instant. It is termed as
_________ is the r.m.s value of current which the Circuit breaker is capable of carrying continuously at its rated frequency under specified conditions.
________ is the current (r.m.s value) that a Circuit breaker is capable of breaking under specified conditions and given recovery voltage.
The maximum generated voltage in power generating stations in advanced countries is 33kV while that in India is ________
The transmission lines are _________
_________ are the terminals which connect the consumer's terminals to the distributors.
In AC system,
Underground cables are rarely used for
The characteristics that conductors used for transmission and distribution should possess :
Copper conductor is
The sag in aluminium conductors is __________ the copper conductors.
Choose the proper set of increases order of mechanical strength of the following line supports :
A good porcelain insulator has compressive strength of about _________ and dielectric strength of _________ of its thickness.
Steatite is produced by mixing ___________ with small proton of ________ and ___________.
The factor affecting the sag in overhead lines are
The skin effect is negligible when the supply frequency is ________ and the conductor diameter is _________.
The factor which effect skin and proximity effects are ______________
In medium transmission lines