Starting of Induction Motor Drives

Starting of Induction Motor Drives: Starting of Induction Motor Drives arrangement is chosen based on the load requirements and nature of supply (weak or stiff). It may be required to…

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Ratio Detector Circuit

Ratio Detector Circuit: In the Foster-Seeley discriminator, changes in the magnitude of the input signal will give rise to amplitude changes in the resulting output voltage. This makes prior limiting…

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Automatic Frequency Control Block Diagram

Automatic Frequency Control Block Diagram: Automatic frequency control: As previously we see, the heart of an AFC circuit is a frequency-sensitive device, such as the phase discriminator, which produces a…

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Symmetrical Components Articles

Symmetrical Components Articles: Symmetrical Component Transformation: Symmetrical Component Transformation is given by a  set of three balanced voltages (phasors) Va,Vb,Vc is characterized by equal magnitudes and interphase differences of 120°.…

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Bridges in Electronic Instrumentation Articles

Bridges in Electronic Instrumentation Articles: Wheatstone Bridge Diagram: A Wheatstone Bridge diagram in its simplest form consists of a network of four resistance arms forming a closed circuit, with a…

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Fractional Kilowatt Motors Articles

Fractional Kilowatt Motors Articles: Single Phase Induction Motor: A Single Phase Induction Motor comprises a single-phase distributed winding on the stator and normal squirrel-cage rotor as shown schematically in Fig.…

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Fundamentals of Electrical Drives Articles

Fundamentals of Electrical Drives Articles: This Fundamentals of Electrical Drives Articles which includes the following topics: Electric Drive Motor Types of Electrical Drives Choice of Electrical Drives Torque Equation of…

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Voltage Transformer Earthing

Voltage Transformer Earthing: In this method of neutral earthing, the primary of a single-phase Voltage Transformer Earthing is connected between the neutral and the earth as shown in Fig. 26.17.…

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