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Three Phase Inverter

Three Phase Inverter: The variable frequency required for the speed control of three phase ac motors is obtained from a Three Phase Inverter. To avoid magnetic saturation and to obtain…

Current Source Inverter for Feeding Three Phase Motors

Current Source Inverter for Feeding Three Phase Motors: In these type of Current Source Inverter, the controlled quantity is the current in the dc link. The current from the dc…

Three Phase Bridge Inverter

Three Phase Bridge Inverter | Working Principle: The basic three phase bridge inverter is a six-step inverter. A step is defined as a change in the firing sequence. A 3-phase…

Three Phase Cycloconverter – Types, Working and Applications

Three Phase Cycloconverter - Types, Working and Applications: A cycloconverter converts ac at one frequency to an ac of another frequency. Cycloconverters can be classified as single-phase to single-phase, three-phase…

Phase Splitter Circuit for Push Pull Power Amplifiers (or Phase Inverter)

Phase Splitter Circuit for Push Pull Power Amplifiers (or Phase Inverter): In a push-pull amplifier circuit an input transformer is used to provide the polarity inversion between the two input…

Microprocessor Control of a Current source Inverter Fed Synchronous Motor

Microprocessor Control of a Current source Inverter Fed Synchronous Motor: A drive system employing a Current source Inverter Fed Synchronous Motor has the following features: A four quadrant drive can…

Field Oriented Control of Three Phase Induction Motor

Field Oriented Control of Three Phase Induction Motor: The stator current of an induction motor has the functions of producing the required air gap flux (magnetisation) as well as developing…

Three Phase Drives

Three Phase Drives: Single phase drives discussed in the previous section are employed for low and medium powers. When the power of the drive is very large the three-phase converter…

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