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How is it possible to construct a transistorized three phase bridge inverter using six transistors? Describe the operation for 180° mode of conduction. Derive expression for line and phase voltage. This question has 0 answers so far.
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A six pulse thyristor converter, connected on the secondary of 11KV/700V, 50Hz transformer is supplying to 750V, 200A dc load. Calculate Branch current through the device. This question has 0 answers so far.
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A six pulse thyristor converter, connected on the secondary of 11KV/700V, 50Hz transformer is supplying to 750V, 200A dc load. Calculate AC line current. This question has 0 answers so far.
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A six pulse thyristor converter, connected on the secondary of 11KV/700V, 50Hz transformer is supplying to 750V, 200A dc load. Calculate AC terminal power. This question has 0 answers so far.
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A six pulse thyristor converter, connected on the secondary of 11KV/700V, 50Hz transformer is supplying to 750V, 200A dc load. Calculate dc power delivered by the converter. This question has 0 answers so far.
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A six pulse thyristor converter, connected on the secondary of 11KV/700V, 50Hz transformer is supplying to 750V, 200A dc load. Calculate Converter firing angle. This question has 0 answers so far.
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Write short notes on the Analysis of chopper circuits. This question has 0 answers so far.
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Write short notes on the Multiquadrant choppers. This question has 0 answers so far.
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How are choppers classified? Show the quardrants of operation of different choppers. Draw their circuit and explain their working briefly. This question has 0 answers so far.
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Write short notes on the UPS. This question has 0 answers so far.
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Write short notes on the Reversible converter. This question has 0 answers so far.
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Draw a neat diagram of McMurra-Bed force hall bridge inverter Explain its operation with the help of voltage and current waveform. This question has 0 answers so far.
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A thyristor requires 10volts to be fired. If the load line has a slope of100v/amp, find the gate current when the trigger source has a magnitude of 12volts dc supply. This question has 0 answers so far.
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Explain the working of a single phase bridge type cycloconverter.Draw the input wave of frequency and output wave of frequency f/3 for RL load. This question has 0 answers so far.
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Explain the operation of half controlled bridge with resistive load and find the expression for, average load voltage and load current. How does the operation et modified with R-L load? This question has 0 answers so far.
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What is triace? How is it different from thyristor? Explain the modes of operation of thyristor. This question has 0 answers so far.
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Draw static and dynamic equalizing circuits for thyristor in seires and explain their operation. This question has 0 answers so far.
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A step up chopper supplies a load of 480V from a 230V dc supply.Assuming the non conduction period of the thyristor to be 50 usec, find the on time of thyristor. This question has 0 answers so far.
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Explain the effect of source inductance on the commutation process of phase controlled rectifier. This question has 0 answers so far.
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In a cyclo converters what is the relation between triggering angles ofthe thyristors of bilateral converters and why? This question has 0 answers so far.
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Discuss the role of free wheeling diode in controlled rectification. This question has 0 answers so far.
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What will be the value of the dc output current and its corresponding ac value for a fullwave rectifier supplying a load of 2KO from an ac source of 100sin314t volts. This question has 0 answers so far.
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Why gate current ceases automatically once the thyristor is tunred on? This question has 0 answers so far.
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A thyristor is rated for 440V PIV. Obtain the voltage for which this thyristor can be operated for voltage safety factor of 1.8. This question has 0 answers so far.