Electric Drives Questions and Answers – Solid-State Switching Circuits – DC/AC Conversion

This set of Electric Drives Multiple Choice Questions & Answers (MCQs) focuses on “Solid-State Switching Circuits – DC/AC Conversion”. 1. Inverters are used to convert DC power into variable AC power. a) True b) False 2. Short circuit problem is severe in case of Voltage source inverter. a) True b) False 3. Switches used in … Read more

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Electric Drives Questions and Answers – Solid-State Switching Circuits – DC/DC Conversion

This set of Electric Drives Multiple Choice Questions & Answers (MCQs) focuses on “Solid-State Switching Circuits – DC/DC Conversion”. 1. Choppers are used to control the DC voltage level. a) True b) False 2. Which one of the following device is uncontrolled? a) SCR b) MOSFET c) Diode d) TRIAC 3. Cuk-converter is better than … Read more

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Electric Drives Questions and Answers – Solid-State Switching Circuits – Three Phase, Full-Wave, AC/DC Conversion

This set of Electric Drives Multiple Choice Questions & Answers focuses on “Solid-State Switching Circuits – Three Phase, Full-Wave, AC/DC Conversion”. 1. For α > 90°, 3-Φ Full wave bridge rectifier acts as a natural commutated inverter. a) True b) False 2. What is the formula for output voltage for 3-Φ Full wave bridge rectifier … Read more

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Electric Drives Questions and Answers – Solid-State Switching Circuits – Three Phase, Half-Wave, AC/DC Conversion for Resistive Loads

This set of Electric Drives Multiple Choice Questions & Answers (MCQs) focuses on “Solid-State Switching Circuits – Three Phase, Half-Wave, AC/DC Conversion for Resistive Loads”. 1. Calculate the Vo(avg) for the 3-Φ phase Half-wave uncontrolled rectifier if the supply value is 440 V. a) 297.25 V b) 298.15 V c) 298.11 V d) 300.15 V … Read more

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Electric Drives Questions and Answers – Solid-State Switching Circuits – Single Phase, Half-Wave, AC/DC Conversion for Inductive Loads With Freewheeling Diode

This set of Electric Drives MCQs focuses on “State Switching Circuits – Single Phase, Half-Wave, AC/DC Conversion for Inductive Loads With Freewheeling Diode”. 1. Calculate the voltage across the freewheeling diode when the output voltage is 24 V. a) -15 V b) -24 V c) 28 V d) 39 V 2. Calculate the value of … Read more

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Electric Drives Questions and Answers – Solid-State Switching Circuits – Single Phase, Half-Wave, AC/DC Conversion for Inductive Loads Without Freewheeling Diode

This set of Electric Drives online test focuses on “State Switching Circuits – Single Phase, Half-Wave, AC/DC Conversion for Inductive Loads Without Freewheeling Diode”. 1. Calculate the value of the conduction angle for R-L load if the value of β and α are 19° and 29°. a) 10° b) 70° c) 30° d) 80° 2. … Read more

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Electric Drives Questions and Answers – Solid-State Switching Circuits – Single Phase, Full-Wave, AC/DC Conversion for Resistive Loads

This set of Electric Drives Questions and Answers for Aptitude test focuses on “State Switching Circuits – Single Phase, Full-Wave, AC/DC Conversion for Resistive Loads “. 1. Calculate the value of the Input power factor for 1-Φ Full wave bridge rectifier if the firing angle value is 39°. a) .69 b) .59 c) .78 d) … Read more

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Electric Drives Questions and Answers – Solid-State Switching Circuits – Single Phase, Half-Wave, AC/DC Conversion for Resistive Loads

This set of Electric Drives Multiple Choice Questions & Answers (MCQs) focuses on “State Switching Circuits – Single Phase, Half-Wave, AC/DC Conversion for Resistive Loads”. 1. In Half-wave controlled rectifier calculate the average value of the voltage if the supply is 13sin(25t) and firing angle is 13°. a) 4.08 V b) 4.15 V c) 3.46 … Read more

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Electric Drives Questions and Answers – Solid-State Devices – di/dt and dv/dt Protection

This set of Electric Drives Questions and Answers for Campus interviews focuses on “Solid-State Devices – di/dt and dv/dt Protection”. 1. Calculate the value of output r.m.s voltage for Single phase Half-bridge inverter if the DC supply is 80 V. a) 40 V b) 20 V c) 10 V d) 60 V 2. High d(i)÷d(t) … Read more

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Electric Drives Questions and Answers – Solid-State Devices – Power Electronic Devices Ratings

This set of Electric Drives Multiple Choice Questions & Answers (MCQs) focuses on “Solid-State Devices – Power Electronic Devices Ratings”. 1. Which one of the following load is suitable for load commutation in Single phase Half-bridge inverter? a) R-L load b) R-L-C overdamped c) R-L-C underdamped d) L-load 2. R-L-C overdamped loads are generally lagging … Read more

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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