1 unit electricity is an important parameter for understanding of energy consumption by the electrical load. A Watt (W) is the standard unit of power…
Electrical IQ
The nature of the works of the Isolator and Circuit Breaker is the same, both are used to isolate the circuit from the connected supply.…
DC earth fault relay is commonly used to detect earth fault in DC systems. An ungrounded DC system is used to control the supply of…
DC earth fault locator is an instrument that is used to detect earth fault in a live DC system. DC system is used for the…
Anti pumping relay is used in the circuit breakers to prevent unwanted closing of the breaker after immediate tripping. Due to failure of the TNC…
The trip circuit supervision relay always monitors the healthiness of the trip circuit including a connected trip coil of the CB. Tripping or isolation of…
Grading capacitor is commonly used in High Voltage Circuit Breaker for uniform voltage distribution across the Breaker contacts at CB open position. In a multi-break…
In addition to the general protection, backup impedance protection or distance protection is also used in Generator, Transformer & Reactor to protect during external faults…
The main difference between earthing and grounding is that – Under Earthing, the circuit is physically connected to the ground to flow circulating current or…
Floating neutral is a condition, in which the neutral wire of any circuit is disconnected from the ground. In AC system, the neutral wire is…