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Electrical Engineering Crossword

1. This document discusses different types of AC voltage controllers. 2. AC full wave controllers use two thyristors per phase. 3. The output waveform of half wave AC voltage controllers is not symmetrical as it only generates voltage and current during one half of the input cycle.

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Amit Bali
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0% found this document useful (0 votes)
120 views1 page

Electrical Engineering Crossword

1. This document discusses different types of AC voltage controllers. 2. AC full wave controllers use two thyristors per phase. 3. The output waveform of half wave AC voltage controllers is not symmetrical as it only generates voltage and current during one half of the input cycle.

Uploaded by

Amit Bali
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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n c r a s y m m e t r i c
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3. If output frequency is less than input frequency then converter is 1. ON-OFF controller is also called as.......
called...... 2. AC full wave controller has......thyristors.
7. The firing angle is always.....phase angle. 4. In step up cyclo converter.....commutation is used.
10. The half wave AC voltage controller generates voltage and 5. How much supply voltage is applied in phase controlled AC
current....... voltage regulator?
11. AC voltage controllers use......angle control. 6. AC voltage controllers consists of.......switches.
12. How much supply voltage is applied in integral controlled AC 8. The cyclo-converter changes......only.
voltage regulator?
9. In AC voltage controllers the thyristors are turned off
13. Most of the loads need .......supply. by.....commutations.
15. The output waveform of half wave AC voltage regulator is 14. If output frequency is greater than input frequency then
not..... converter is called......

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