What is Circuit Breaker - Operating Principle and Arcing Phenomenon
What is a Circuit Breaker?
As the name indicates, circuit breaker means the device which breaks (Open) the circuit under the abnormal condition and protects the system from hazards. The function of a ...
7 Years Ago
What is an HVDC System?
HVDC stands for High Voltage Direct Current. For long-distance distribution, HVDC systems are less expensive and suffer lower electrical losses.
The main elements of an HVDC system are:
Converter unit...
7 Years Ago
4 Major Types of Electrical Substations
There are four major types of electric substations. They are switchyard at a generating station,
customer substation, system station and distribution station....
7 Years Ago
Starting of Synchronous Motor
Synchronous motors are not self starting. Basically there are two methods for starting synchronous motors. They are damper winding starting and auxiliary motor starting. Both methods of starting are e...
7 Years Ago
Need of a Starter (3 & 4 Point) in DC Motors
When the motor is directly connected to the supply lines a heavy current will flow through the armature conductors. In order to limit this heavy current, we use the starter in a DC motor....
7 Years Ago
Current Transformer (CT) - Construction and Working Principle
A current transformer (CT) is a type of transformer that is used to measure AC current. It produces an alternating current (AC) in its secondary which is proportional to the AC current in its primary....
7 Years Ago
