Motor protection circuit breakers are a specialized type of electrical protection device that is designed specifically for electric motors, like their name implies. Electric motors have plenty of applications and…
Any internal fault inside the stator winding is cleared by mainly differential protection scheme of the generator or alternator. The differential protection is provided in the generator by using longitudinal…
We know that Transformer rating may be expressed in kVA as well as Generator and Alternator rated in kVA. There are two type of losses in a transformer; 1. Copper Losses 2.…
Electrical isolationis necessary to protect: - Circuits Equipment People from shocks and short circuits To make accurate measurements. Isolation transformersare used to transfer electrical power from a source of alternating…
Booster transformers are used in electric railway AC catenary feeders to collect the return current from the rails and the earth to the return conductor. Booster transformer is one which…
Contents What is Variac/Autotransformer transformer? Autotransformer Design Autotransformer with Multiple Tapping Points Autotransformer Terminal Markings Comparison of Autotransformer with Two winding Transformer Advantages Uses Variable-voltage transformers are efficient means of…
Busbars in the generating stations and sub-stations form important link between the incoming and outgoing circuits. If a fault occurs on a busbar, considerable damage and disruption of supply will…
1.What is transformer? A transformer is a static device that transfers electrical energy between two or more circuits through electromagnetic induction. A varying current in one coil of the transformer produces a varying magnetic field,…
One of the most common electrical motor used in most applications which is known as induction motor. This motor is also called as asynchronous motor because it runs at a…