Industrial Electronics and Control of Drives
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- An SCR is a ............... layer ....... junction device.
- A DIAC is used to ........... TRIAC.
- A TRIAC behaves like two .............connected SCR.
- A................. is a circuit that converts AC signal into unidirectional signal.
- In fully controlled converter, the load voltage is controlled by controlling the ..........of the converter.
- The series inverter has..............output regulation.
- A chopper converts....................
- A ..............converter can operate in four quadrants.
- SCR stands for…………….
- UPS stands for...................
- The process of turning off a thyristor is called……………
- In SCR applications, snubber circuit is used for……….
- In a controlled rectifier, a free-wheeling diode is necessary if load is ……..
- In a chopper the load voltage can be controlled by controlling ………… cycle.
- A single-phase mid-point cyclo-converter has………. pulses.
- For dc motors, the speed below base speed can be achieved by adopting …………..control method.
- The major part of a UPS that converts dc into ac is called…………………..