Variable Speed Constant Frequency Generator

Variable Speed Constant Frequency Generator: Variable Speed Constant Frequency Generator (VSCF) involves generation of electrical power at fixed frequency and fixed voltage from a variable speed prime mover coupled to…

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Current Source Inverter Control of Induction Motor

Current Source Inverter Control of Induction Motor: A thyristor Current Source Inverter Control of Induction Motor (CSI) is shown in Fig. 6.45. Diodes D1-D6 and capacitors C1-C6 provide commutation of thyristors…

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Variable Frequency Control From Current Source

Variable Frequency Control From Current Source: Control of induction motor employing variable frequency voltage sources was considered in previous section. This section considers motor control by Variable Frequency Control From…

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Cycloconverter Control of Induction Motor

Cycloconverter Control of Induction Motor: Cycloconverter Control of Induction Motor allows variable frequency and variable voltage supply to be obtained from a fixed voltage and frequency ac supply. A half-wave…

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Variable Frequency Control of Induction Motor Drive

Variable Frequency Control of Induction Motor Drive: Variable Frequency Control of Induction Motor Drive - Synchronous speed, therefore, the motor speed can be controlled by varying supply frequency. Voltage induced…

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Braking of Induction Motor Drive

Braking of Induction Motor Drive: Following methods are employed for Braking of Induction Motor Drive: Regenerative braking Plugging or reverse voltage braking Dynamic (or rheostatic) braking further categorised as: ac…

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Harmonic Equivalent Circuit of Induction Motor

Harmonic Equivalent Circuit of Induction Motor: When fed from an inverter or cycloconverter, the motor terminal voltage is non-sinusoidal but it has half-wave symmetry. A non-sinusoidal waveform can be resolved…

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