## DC Electric Field Strength Meter

DC Electric Field Strength Meter: The DC Electric Field Strength Meter strength E can be measured by using (i) variable capacitor probe or generating voltmeter or (ii) a vibrating plate…

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## Electrical Power Engineering Articles

Electrical Power Engineering Articles: This Electrical Power Engineering Articles which includes the following topics:   Refrigeration Cycle Diagram Explain Vapour Compression Refrigeration System Explain Vapour Absorption Refrigeration System Thermoelectric Refrigeration…

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## Electrical Braking of Polyphase Induction Motors

Electrical Braking of Polyphase Induction Motors: Electrical Braking of Polyphase Induction Motors which consists of different types, namely, Plugging (or Counter-Current Braking) Dynamic (or Rheostatic) Braking Regenerative Braking 1. Plugging…

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## Paralleling Field Coils for DC Series Motor

Paralleling Field Coils for DC Series Motor: In this Paralleling Field Coils method, used in fan motors, several speeds can be obtained by regrouping of field coils, as illustrated in…

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## Tapped Field Control for DC Series Motors

Tapped Field Control for DC Series Motors: Tapped field control for dc series motors is another method of increasing the speed by reducing the flux and it is accomplished by…

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## Field Diverter Method of Speed Control of DC Series Motors

Field Diverter Method of Speed Control of DC Series Motors: The field flux can be reduced by shunting a portion of motor current around the series field, thus reducing the…

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## Electric Braking of Separately Excited DC Motor

Electric Braking of Separately Excited DC Motor: The electric braking of separately excited dc motor is show in Figure 3.31. Figure 3.31 (a) illustrates a simplified representation of a single…

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## Different Groups of Systems of Electric Traction

Different Groups of Systems of Electric Traction: As already mentioned, systems of electric traction may be divided into two main groups. (1) The group consisting of vehicles which receive electric…

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