2nd October 2019

wikipedia
15

What is a chopper plane?

A helicopter is a type of rotorcraft in which lift and thrust are supplied by rotors. These attributes allow helicopters to be used in congested or isolated areas where fixed-wing aircraft and many forms of VTOL (vertical takeoff and landing) aircraft cannot perform.

In respect to this, what is the use of step down chopper?

If the switching device used is a thyristor, this circuit is called as a step-down chopper, as the output voltage is normally lower than the input voltage. • When chopper is ON, supply is connected across load.

What is Cycloconverter in power electronics?

A cycloconverter (CCV) or a cycloinverter converts a constant voltage, constant frequency AC waveform to another AC waveform of a lower frequency by synthesizing the output waveform from segments of the AC supply without an intermediate DC link (Dorf 1993, pp. 2241–2243 and Lander 1993, p. 181).
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