Transistor Series Voltage Regulator

Transistor Series Voltage Regulator: When a low power zener diode is used in the simple Transistor Series Voltage Regulator, the load current is limited by the maximum diode current. A…

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Colpitts Oscillator using Op Amp

Colpitts Oscillator using Op Amp: The Colpitts Oscillator using Op Amp circuit show in Fig. 16-4 is similar to the op-amp phase shift oscillator, except that an LC network is…

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Full Wave Rectifier DC Power Supply

Full Wave Rectifier DC Power Supply: Like half-wave rectifiers, full-wave rectifiers require filter circuits to convert the output waveform to direct voltage. Figure 3-13 shows a Full Wave Rectifier DC…

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Power Factor Improvement Methods

Power Factor Improvement Methods: There are many drives which operate at a low power factor. Some of Power Factor Improvement Methods are: An induction motor direct on line. ac-dc diode…

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Use of Efficient Semiconductor Converters

Use of Efficient Semiconductor Converters: Prior to development of Use of Efficient Semiconductor Converters, inefficient power modulators were employed in several applications. While replacement of these power modulators by the…

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CSI Squirrel Cage Induction Motor Drive

CSI Squirrel Cage Induction Motor Drive: Performance and operation of CSI induction motor drive is already explained . Figure 10.23 shows details of the traction drive of CSI Squirrel Cage…

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PWM VSI Induction Motor Drive

PWM VSI Induction Motor Drive: PWM VSI Induction Motor Drive for traction is shown in Fig. 10.21. A pulsewidth modulated voltage source inverter converts dc into variable frequency and variable…

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