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Power Systems

  • Corona Ring on Surge Arresters
    Power Systems

    Corona Ring on Surge Arresters and other EHV equipment

    Have you ever seen a ring around the Surge Arrester or other EHV equipment? What is the purpose of the Ring around ...
    Bharadwaj
    April 28, 2016
  • Advantages and Disadvantages of Per Unit System
    Power Systems

    Advantages and Disadvantages of Per Unit System

    In power system analysis, per unit (pu) system is used to express a physical variable as a fraction of base ...
    Bharadwaj
    April 28, 2016
  • Why Symmetrical Components Used for Unbalanced faults in Power System
    Power Systems

    Why Symmetrical Components Used for Unbalanced faults in Power System

    Symmetrical Components: Any unbalanced three phase system of currents, voltages or other sinusoidal quantities can be resolved in to three ...
    Bharadwaj
    April 28, 2016
  • Advantages & Disadvantages of AC power and DC power
    Power Systems

    Advantages & Disadvantages of AC power and DC power

    First electric power system was build in New York city in 1882. DC power was generated by steam generator supplying ...
    Bharadwaj
    April 26, 2016
  • Rotor Angle Stability of Synchronous Generators in Power System
    Power Systems

    Rotor Angle Stability of Synchronous Generators in Power System

    Rotor Angle Stability: Rotor angle stability is the ability of the interconnected synchronous machines running in the power system to ...
    Bharadwaj
    April 26, 2016
  • Harmonics effect on Transformer
    Power Systems

    Harmonics effect on Transformer

    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 ...
    Bharadwaj
    April 26, 2016
  • Why Reactive Power is Generated at Load
    Power Systems

    Why Reactive Power is Generated at Load

    Reactive Power if possible should be generated close the load centers or close to the point of its consumption. Some ...
    Bharadwaj
    April 26, 2016
  • Harmonics effect on Induction Motor
    Power Systems

    Harmonics effect on Induction Motor

    Harmonics in the power system are generated due to the usage of non linear load. Some of the effects  of harmonics ...
    Bharadwaj
    April 25, 2016
  • Auto Recloser Circuit Breaker
    Power Systems

    Auto Recloser Circuit Breaker in Power System

    Most of the faults on over head lines are transient in nature. About 85% to 90% of faults are momentary ...
    Bharadwaj
    April 25, 2016
  • Current Limiting Reactors
    Power Systems

    Current Limiting Reactors and Short Circuit Currents

    A current limiting reactors is also called as series reactors. It is an inductive coil having large inductive reactance compared ...
    Bharadwaj
    April 25, 2016
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