Corona Ring on Surge Arresters and other EHV equipment
April 28, 2016
Have you ever seen a ring around the Surge Arrester or other EHV equipment? What is the purpose of the Ring around...
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Advantages and Disadvantages of Per Unit System
April 28, 2016
In power system analysis, per unit (pu) system is used to express a physical variable as a fraction of base...
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Why Symmetrical Components Used for Unbalanced faults in Power System
April 28, 2016
Symmetrical Components: Any unbalanced three phase system of currents, voltages or other sinusoidal quantities can be resolved in to three...
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Advantages & Disadvantages of AC power and DC power
April 26, 2016
First electric power system was build in New York city in 1882. DC power was generated by steam generator supplying...
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Rotor Angle Stability of Synchronous Generators in Power System
April 26, 2016
Rotor Angle Stability: Rotor angle stability is the ability of the interconnected synchronous machines running in the power system to...
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Harmonics effect on Transformer
April 26, 2016
Harmonics distortion effect on Power System and their impact on Induction Motors are already discussed. Some of the disadvantages of harmonics and their impact on the transformers...
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Why Reactive Power is Generated at Load
April 26, 2016
Reactive Power if possible should be generated close the load centers or close to the point of its consumption. Some...
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Harmonics effect on Induction Motor
April 25, 2016
Harmonics in the power system are generated due to the usage of non linear load. Some of the effects of harmonics...
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Auto Recloser Circuit Breaker in Power System
April 25, 2016
Most of the faults on over head lines are transient in nature. About 85% to 90% of faults are momentary...
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Current Limiting Reactors and Short Circuit Currents
April 25, 2016
A current limiting reactors is also called as series reactors. It is an inductive coil having large inductive reactance compared...
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