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Types of Underground Cables
11/12/2018
In practice, different types of underground cables are generally required to deliver 3-phase power. For the purpose, either three-core cable or
Circuit Breaker Definition, Working Principle and Arcing Phenomenon
08/12/2018
Definition A circuit breaker means the device which breaks (Open) the circuit under the abnormal condition and protects the system from
What is an HVDC (High Voltage Direct Current) Transmission System?
01/12/2018
HVDC stands for High Voltage Direct Current. An HVDC electric power transmission system uses direct current for the bulk transmission of
4 Major Types of Electrical Substations
21/11/2018
The assembly of the apparatus used to change some characteristic (e.g. voltage, a.c. to d.c., frequency, p.f etc.) of
Starting Methods for Synchronous Motor
19/11/2018
Synchronous motors are not self-starting. Some additional devices should be used to start the motor. Basically, there are two methods
Need of a Starter (3 & 4 Point) in DC Motors
14/11/2018
We use 3 and 4 point starters in DC motors. What happens if a DC motor is started without a
Current Transformer (CT) – Construction and Working Principle
16/09/2018
A current transformer (CT) is a type of transformer that is used to measure AC current. It produces an alternating current
Classification or Types of Protective Relays
05/09/2018
The IEEE defines protective relays as: “relays whose function is to detect defective lines or apparatus or other power system conditions
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