Magnetic Leakage and Fringing

Magnetic Leakage and Fringing: Magnetic Leakage and Fringing - Figure 10.28 shows a magnetized iron ring with a narrow air gap, and the flux which crosses the gap can be…

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Earth Fault Protection or Leakage Protection

Earth Fault Protection or Leakage Protection: An Earth Fault Protection usually involves a partial breakdown of winding insulation to earth. The resulting leakage current is considerably less than the short-circuit…

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Ideal Transformer on Load

Ideal Transformer on Load: Transfer of energy from one circuit to another circuit through mutual induction is widely utilized in power systems. This purpose is served by Ideal Transformer on…

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Three Phase Induction Motors

Three Phase Induction Motors: Three Phase Induction Motors are of two types: squirrel-case and wound-rotor. In squirrel-cage, the rotor consists of longitudinal conductor-bars shorted by circular connectors at the two…

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Double Cage Rotor Induction Motor

Double Cage Rotor Induction Motor: A rotor design, which though more expensive gives still better starting, and running performances than the deep-bar design, is the Double Cage Rotor Induction Motor.…

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Deep Bar Rotor Induction Motor

Deep Bar Rotor Induction Motor: In this type of Deep Bar Rotor Induction Motor construction, bars of narrow width are laid down in deep semi-enclosed ¬†slots as shown in Fig.…

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Armature Reaction in Synchronous Motor

Armature Reaction in Synchronous Motor: The Simple circuit model of the synchronous machine was obtained in Sec. 8.3 by making the assumption that the magnetic circuit of the machine is…

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