Oil filled Transformers usually have a conservator which maintains the level of oil.  The conservator has a layer of air on top of the oil....

Vacuum Circuit breakers are a very popular type of circuit breaker used in the industry.  Vacuum Circuit Breakers or VCBs as they are popula...

The capacity of a battery is indicated in Ampere-hours (Ah).  For instance, 200Ah, 80 Ah, etc.  The rate at which the battery can be discha...

Combined Instrument Transformers are special measuring transformers which combine the functions of a current and a voltage transformers.  Th...

Primary cells are cells in which the chemical reaction which produces the power is not reversible. That is, the cell cannot be charged.  A ...

Rod Earthing is an extremely popular form of Earthing as they are easy to install and retrofit.  Rod earthing involves driving metal rods ma...

Capacitance Grading is a method of distributing the electrostatic stress across the insulation of cables by using materials with different d...