Current Source Inverter with Forced Commutation: Current Source Inverter with Forced Commutation - As has already been discussed, the disadvantages of machine commutation are (a) limitation on the speed range…
Types of Forced Commutation: It was observed from the discussion on choppers and inverters that in thyristor systems fed from dc supply, the forward current does not pass through zero…
Power Semiconductor Devices Interview Questions and Answers: 1. Give the broad classification of power semiconductor devices. Ans. Power semiconductor devices can be broadly classified into three categories viz. power diodes, thyristors…
Inverter - Definition and Classification of Inverters: A device that converts dc power into ac power at desired output voltage and frequency is known as an inverter. Some industrial applications…
AC Regulator - Definition and Classification: An ac regulator converts a constant ac voltage into a variable ac voltage of the same frequency. No doubt, ac voltage level can be…
What is a Power Converter? Solid-state power converter are employed for obtaining the approÂpriate form of electrical energy such as direct current or adjustable-frequency alternating current (required to operate most…
Self Controlled Synchronous Motor Drive: A Self Controlled Synchronous Motor Drive employing a load commutated thyristor inverter is shown in Fig. 7.10. In large power drives wound field synchronous motor…
Motor Control Articles: Motor Control by Static Power Converters: Motor Control by Static Power Converters – Power electronics is a multidisciplinary technology that encompasses power semiconductor devices, converter circuits, electric…