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880
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Draw and explain gate characteristics of SCR
power electronics updated 19 months ago by sagarkolekar ★ 11k
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7.3k
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A single phase semiconverter is operated from 120V 50HZ ac. supply. The load resistance is 10 ohm. If the average output voltage is 25% of the maximum possible average output voltage.
power electronics updated 23 months ago by binitamayekar ★ 6.4k
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1.8k
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Design a relaxation oscillator circuit for SCR using UJT for the following data:
power electronics updated 2.0 years ago by sagarkolekar ★ 11k
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827
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Draw two transistor model of SCR. State all current equations of IC1,IC2&IA
power electronics updated 2.0 years ago by sagarkolekar ★ 11k
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704
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Draw and explain full controlled rectifier with R-L load. Draw waveforms when alpha=60degree.
power electronics updated 2.1 years ago by sagarkolekar ★ 11k
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899
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What is the need of freewheeling diode in controlled rectifier. Explain with example.
power electronics updated 2.1 years ago by sagarkolekar ★ 11k
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1.3k
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Design the beginning circuit for SCR using UJT. The UJT parameters are
power electronics updated 2.1 years ago by sagarkolekar ★ 11k
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541
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Draw and explain equivalent circuit of heat sink.
power electronics updated 2.1 years ago by sagarkolekar ★ 11k
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486
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What is the difficulty in parallel connection of SCR S. Draw and explain equalizing network with design criterion for components.
power electronics updated 2.1 years ago by RakeshBhuse • 3.2k
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792
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What do you understand by di/dt and dv/dt rating of SCR.
power electronics updated 2.1 years ago by RakeshBhuse • 3.2k
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583
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Draw and explain in detail SOA of power MOSFET
power electronics updated 2.1 years ago by RakeshBhuse • 3.2k
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716
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Draw and explain switching cha. Of GTO
power electronics updated 2.1 years ago by RakeshBhuse • 3.2k
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601
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Explain Power MOSFET construction and characteristics. Give one application.
power electronics updated 2.1 years ago by RakeshBhuse • 3.2k
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737
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Draw and explain switching characteristics of IGBT.
power electronics updated 2.1 years ago by RakeshBhuse • 3.2k
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1.4k
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Define and explain performance parameters of controlled rectifier.
power electronics updated 2.1 years ago by RakeshBhuse • 3.2k
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2.4k
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A single phase semi converter is operated from 230V, 50Hz ac supply. The load resistance is 20ohm. The average output voltage is 30% of the max. Possible average output voltage. Determine
power electronics updated 2.1 years ago by RakeshBhuse • 3.2k
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707
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Draw and explain full bridge controlled rectifier with R-L load and freewheeling diode. Derive the relation for load voltage.
power electronics updated 2.1 years ago by RakeshBhuse • 3.2k
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993
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Draw and explain three phase fully controlled bridge rectifier with R load in continuous mode. Derive the relation for output voltage.
power electronics updated 2.1 years ago by RakeshBhuse • 3.2k
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697
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Explain half controlled rectifier using SCR. Draw waveform and derive the relation for output load voltage.
power electronics updated 2.1 years ago by sagarkolekar ★ 11k
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604
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What is the need of freewheeling diode in case rectifier with R-L load.
power electronics updated 2.1 years ago by sagarkolekar ★ 11k
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662
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State and explain the conditions to operate fully controlled bridge converter as an inverter.
power electronics updated 2.1 years ago by sagarkolekar ★ 11k
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636
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With the help of circuit diagram and waveforms explain bi-directional AC control circuit using TRAC & DIAC
power electronics updated 2.1 years ago by sagarkolekar ★ 11k
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730
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GTO switching characteristics.
power electronics updated 2.1 years ago by sagarkolekar ★ 11k
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1.4k
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Half waving effect in controlled rectifier.
power electronics updated 2.1 years ago by sagarkolekar ★ 11k
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615
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What is the need of freewheeling diode in controlled rectifier. Explain with example.
power electronics updated 2.1 years ago by sagarkolekar ★ 11k
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