What is Voltage Surge or Transient Voltage? The sudden rise in voltage for a very short duration on power system is known as voltage surge or transient voltage. Surges or …
In a modern power system, electrical energy from the generating station is delivered to the ultimate consumers through a network of transmission and distribution. For satisfactory operation of motors, lamps …
Amazed why secondary of current transformer should not be open? If it is left open it may destroy the current transformer. So it is very important that the secondary of …
Ideal Transformer An ideal transformer is one that has no winding resistance no leakage flux i.e., the same flux links both the windings no iron losses (i.e., eddy current and …
Even though the basic functions of the oil used in transformers are heat conduction and electrical insulation, there are many other properties which make a particular oil eminently suitable. Properties of good transformer …
What is the Percentage Impedance? The percentage impedance of a transformer is marked on most nameplates – but what is it and what does the Z% figure mean? The …
The Motor Control Centre is used in general to describe combinations of enclosures, busbars, circuit breakers, power contactors, power fuses, protective relays, controls and indicating devices. Read more about switchgear …
For an individual generator that is rated above 1000 kW, and is to be used in the oil industry, it is usual practice to use a gas turbine as the …
In this article, you will learn the importance of protection in the modern power system and why we need power system protection. It is fair to say that without discriminative …
