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Bridge Rectifier-Working Diagram Advantages
The Bridge rectifier is a circuit that converts the alternating voltage into the direct voltage. Rectifiers are made up of diodes and thyristors, to convert AC supply voltage into DC. There are many applications such as electronic circuits, HVDC transmission…
Working Of Capacitor, Formula, Symbol Properties
Capacitor is a passive element in a circuit designed to store energy in the form of an electric field. besides resistor, capacitors are the most common electrical components. used mostly in electronics circuit, computers, power system. They are also used…
Reactive Power Generation and Compensation,Advantages
Some methods of reactive power generation, compansation and advantages of reactive power generation are describe below • synchronous alternators; • synchronous compensators (SC) • static var compensators (SVC) Reactive power using synchronous alternators Synchronous alternators are the main machines…
Difference between Current Transformer (CT) and Potential Transformer (PT)
Difference between Current Transformer (CT) and Potential Transformer (PT) Current Transformers (CT) and Potential Transformers (PT) are used to measure the current and voltage in a circuit of the order of hundreds of amperes and volts respectively. A CT has…
What is Lightning Arrester-Working Principle Diagram
Grounding wire running over the tower or substation provides good protection to the electrical system against direct lightning stroke but they fail to provide protection against traveling high voltage or current waves that reach to terminal equipment. The lightning arrester…
Why single-phase induction motor is not self-starting-reason,make self starting?
Why single-phase induction motor is not self-starting? Single-phase induction motor Starting winding to make self starting A single phase induction motor is very similar to a three phase squirrel cage induction motor except for single-phase motor, not self-starting.It has (i) a squirrel-cage rotor as to a…
Back to Back test of Transformer (Sumpners Test) Procedure
The efficiency and regulation of the transformer can be calculated using open circuit and short circuit test on the transformer but to measure temperature rise during operation, it is necessary to conduct a full load test on the transformer. for…
Advantages and Disadvantages of Synchronous Motors
Synchronous motors play a crucial role in various industries, although their usage is relatively limited compared to induction motors. While induction motors are widely used because of their cheap prices, rugged construction, and low maintenance, synchronous motors offer unique advantages…
Transformer Oil BDV Testing Procedure
The dielectric strength of transformer oil is known as BDV or break-down voltage. A Transformer Oil BDV test is performed to find the dielectric strength of transformer oil. BDV is the minimum voltage withstand the capacity of transformer oil without…