Electrical

Isolator 1)Isolator (disconnecting switch) operate under no load condition. It does not have any specified current breaking capacity or current...

1)Isolators (or disconnector switches) are not equipped with are quenching devices and, therefore, not used to open circuits carrying current...

One-and-a-half breaker arrangement needs use of three circuit breakers for two circuits. Any circuit breaker can be switched-off for the...

Sectionalizing the buses offers added advantage. One section can be completely shut-down for maintenance and repairs, while the other continue...

This simple arrangement consists of a single (three-phase) bus-bar to which the various feeders are connected. In case of fault...

The selection of conductors for overhead lines is done considering the following points: selection of conductors. H.V. lines upto 33...

1.Conductors and their supporting structures and insulators (poles) arc the main items of overhead distribution system. Conductors are carried over...

 The following problems are associated with reactive power over a cable : The cables for their operations require high charging...

Following are the standard condition for rating of LT PVC cable: (i)Maximum conductor temperature - 70° (ii)Thermal resistivity of soil...

Short circuit rating of LT cables : LT CAble (i)The short circuit for aluminum cables is different for copper cables....