A 3-phase voltage source inverter operates in 180° conduction mode with a star connected resistive load. If input dc voltage is 100 V, then the peak to peak output line voltage is :
Last Answer : A 3-phase voltage source inverter operates in 180° conduction mode with a star connected resistive load. If input dc voltage is 100 V, then the peak to peak output line voltage is : 200 V
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205 views
1 answer
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Apr 30, 2018
by
anonymous

What is Voltage Source Inverter (VSI) ?
Last Answer : Voltage Source Inverter (VSI) Inverter is device which converts Direct Current (DC) to Alternating Current (AC). There are two types of inverters one is Voltage source inverter ... VSI consist of two load terminals and three phase VSI consist of three load terminals.
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223 views
1 answer
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Aug 9, 2017
by
anonymous

Nodal analysis problem two current source
Last Answer : Nodal analysis problem two current source
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362 views
1 answer
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Feb 17, 2020
by
anonymous
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Single-phase Midpoint controlled rectifier with Resistive load
Last Answer : Single-phase Midpoint controlled rectifier with Resistive load: 1) During positive half cycle of AC supply, a is positive with respect to b , this makes T1 forward biased and T2 is reverse ... voltage reverses the polarity and T2 is turned off. The operation is as shown in waveforms.
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613 views
1 answer
asked
Oct 13, 2019
by
anonymous

A voltage source inverter will have better performance if its (1) load inductance is small and source inductance is large. (2) both load and source inductance are small. (3) both load and source inductances are large. (4) load inductance is large and source inductance is small.
Last Answer : A voltage source inverter will have better performance if its load inductance is large and source inductance is small.
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3.6k views
1 answer
asked
Apr 30, 2018
by
anonymous

A voltage source inverter is normally employed when (1) source inductance is large and load inductance is small (2) source inductance is small and load inductance is large (3) both source and load inductance are small (4) both source and load inductance are large
Last Answer : 3
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1.8k views
2 answers
asked
Apr 29, 2018
by
anonymous

Describe the difference between direct and alternating current.
Last Answer : Direct current is the flow of electricity or charge in one direction.. Alternative current is the flow of charge that doesn't flow in one direction.
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5.3k views
4 answers
asked
Jun 29, 2019
by
anonymous

What is the difference between eddy current and hysteresis loss?
Last Answer : Loss occurred by magnetising and demagnetising process is called histerisis loss and the current flowed due to the magnetic field produced by the electric field applied is called eddy current losses
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3.0k views
1 answer
asked
Mar 15, 2018
by
anonymous

What is the difference between line and phase current?
Last Answer : The currents flows through phase lines is called line voltage and currents flows from phase to neutral line is called phase current
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132 views
1 answer
asked
Mar 10, 2018
by
anonymous

Nodal Analysis with Voltage Sources dependent voltage source and two supernode
Last Answer : Nodal Analysis with Voltage Sources dependent voltage source and two supernode
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215 views
1 answer
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Apr 17, 2020
by
anonymous

Nodal analysis example with voltage source and supernode
Last Answer : Nodal analysis example with voltage source and supernode
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153 views
1 answer
asked
Apr 16, 2020
by
anonymous

What is the difference between beta and forced beta for BJT?
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554 views
0 answers
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Feb 20, 2018
by
anonymous

What is the difference between forward and reverse bias?
Last Answer : Forward bias is a PN junction bias which allows current to flow through the junction. Forward bias decreases the resistance of the depletion layer. Reverse bias is a PN junction bias that allows only ... Positive polarity on the n-type material and negative polarity to the p-type material.
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277 views
3 answers
asked
Dec 9, 2017
by
anonymous

A 3 -phase, fully controlled, converter is feeding power into a DC load at a constant current of 150 A, the rms value of the current flowing through each thyristor of the converter is
Last Answer : Please show the solution for this question
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515 views
2 answers
asked
Apr 29, 2018
by
anonymous

Find current through resistor using nodal analysis
Last Answer : Find current through resistor using nodal analysis
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916 views
1 answer
asked
Feb 17, 2020
by
anonymous

Describe the difference between an open circuit and a short circuit.
Last Answer : Open circuit means the wire is cut meaning power will not flow and close circuit means wire is not cut and hence power will flow.Short circuit is the same as close circuit
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7.8k views
3 answers
asked
Jun 29, 2019
by
anonymous

In a pure resistive circuit, the average power Pavg is ______ the peak power Pmax. (1) Double (2) One-half of (3) One-fourth (4) Equal to
Last Answer : In a pure resistive circuit, the average power Pavg is One-half of the peak power Pmax.
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1.0k views
1 answer
asked
May 1, 2018
by
anonymous
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In a pure resistive circuit?
Last Answer : In a pure resistive circuit current is in phase with the voltage.
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488 views
1 answer
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Mar 25, 2018
by
anonymous

What is the power factor of purely resistive circuit.
Last Answer : Unity that is 1
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391 views
2 answers
asked
Mar 16, 2018
by
anonymous

what is the difference between AC and DC current ?
Last Answer : AC is generated using Alternator. DC is generated using DC generator. AC changes its direction periodically. DC do not change its direction periodically. AC have non zero frequency. DC have zero ... Power factor of AC is between 0 and 1. But power factor of DC is always 1.
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153 views
1 answer

Find the current through 4 ohm resistor by source transformation
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136 views
0 answers
asked
Mar 21, 2020
by
anonymous

Source transformation voltage source to current source and vice versa
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98 views
0 answers
asked
Mar 21, 2020
by
anonymous

A current controlled voltage source is equivalent to : (A) series voltage feed -back amplifier (B) shunt current feed -back amplifier (C) shunt voltage feed -back amplifier (D) series current feed -back amplifier
Last Answer : A current controlled voltage source is equivalent to : shunt voltage feed -back amplifier
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119 views
1 answer
asked
Apr 30, 2018
by
anonymous

Which of the following theorems enables a number of voltage (or current) source to be combined directly into a single voltage (or current) source. (1) compensation theorem (2) reciprocity theorem (3) superposition theorem (4) Millman's theorem
Last Answer : Which of the following theorems enables a number of voltage (or current) source to be combined directly into a single voltage (or current) source. (1) compensation theorem (2) reciprocity theorem (3) superposition theorem (4) Millman's theorem
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336 views
1 answer
asked
Apr 29, 2018
by
anonymous

A network that consists of at least a voltage source or current source is called A) Active network B) Ideal network C) Sourced network D) Outsourced network
Last Answer : A network that consists of at least a voltage source or current source is called Active network
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118 views
1 answer
asked
Apr 29, 2018
by
anonymous

The internal resistances of an ideal current source, and an ideal voltage source are, respectively, (A) 0, ∞ (B) ∞, ∞ (C) ∞, 0 (D) 0,0
Last Answer : The internal resistances of an ideal current source, and an ideal voltage source are, respectively, ∞, 0
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179 views
1 answer
asked
Apr 28, 2018
by
anonymous

Explain why potential difference is necessary to produce current in a circuit.
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99 views
0 answers
asked
Jun 29, 2019
by
anonymous
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Why thyristor are not preferred for inverter?
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454 views
0 answers
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Mar 19, 2018
by
anonymous

Explain three phase bridge inverter.
Last Answer : Three phase bridge inverter: Three phase bridge inverter converts DC voltage input to three-phase variable frequency variable voltage output. DC voltage source can be a DC source or output of the rectifier. ... in proper sequence. The switch may be thyristor or IGBT etc.
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470 views
1 answer
asked
Feb 19, 2018
by
anonymous

State the difference between energy conservation and energy audit.
Last Answer : energy conservation Energy audit It is reducing the growth of energy consumption by avoiding unnecessary usage of energy It is an inspection, survey & analysis of energy flows ... Various measuring instruments, with proper sensing elements are required for the energy audit.
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210 views
1 answer
asked
May 3, 2020
by
anonymous

What's the difference between electronic and electrical
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88 views
0 answers
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Jan 21, 2020
by
Sampson

What is the difference between a cable and a conductor?
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109 views
0 answers
asked
Aug 12, 2019
by
anonymous

Write difference between absolute & secondary instrument.
Last Answer : Absolute Instrument Secondary Instrument 1. These give magnitude of quantity in terms physical constants of instruments 1. These give reading directly of the quantity at the time of ... Raleigh current balance. 6. Examples - ammeter, voltmeter, amperehour meter, wattmeter etc.
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6.1k views
1 answer
asked
Sep 5, 2018
by
anonymous
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Distinguish between AC and DC.
Last Answer : Particulars Direct Current Alternating Current Definition It is the current whose magnitude and direction do not change with respect to time. It is the current whose ... system, electroplating, Battery charging, Traction. AC machines, Domestic and industrial supply.
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462 views
2 answers
asked
Aug 8, 2018
by
anonymous
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What is the difference between relay and contactor?
Last Answer : Relay have smaller ratings. Contactor is a high rating relay.
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5.1k views
1 answer
asked
May 2, 2018
by
anonymous

Last Answer : In a single phase power factor meter the phase difference between the currents in the two pressure coils is exactly 90°.
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352 views
1 answer
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Mar 21, 2018
by
anonymous

Last Answer : A differential relay measures the vector difference between two or more similar electrical quantities.
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159 views
1 answer
asked
Mar 19, 2018
by
anonymous

What is the difference between BJT and FET?
Last Answer : BJT is a current opperated transistor while FET is a field opperated transistor.
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2.7k views
1 answer
asked
Mar 19, 2018
by
anonymous

What is the difference between a soft start and a VFD?
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76 views
0 answers
asked
Mar 15, 2018
by
anonymous

What is the difference between an AC and DC generator?
Last Answer : The generator which generates DC voltage is called DC generator and generator which generates AC voltage is called AC generator (or) Alternator. In DC generator armature is rotated and field winding ... generator. A DC generator can generate low voltages but an AC generator can generate upto 11kv.
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315 views
1 answer
asked
Mar 15, 2018
by
anonymous

What is the difference between synchronous and asynchronous generator?
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150 views
0 answers
asked
Mar 15, 2018
by
anonymous

What is the difference between synchronous and asynchronous motors?
Last Answer : The motor which rotates at constant speed is called synchronous motor. And that constant speed is called as synchronous speed. And the motor which does not rotates at constant speed are called asynchronous motor. Asynchronous motor is also called as Induction motor.
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143 views
1 answer
asked
Mar 15, 2018
by
anonymous

What is the difference between an anode and a cathode?
Last Answer : The anode is positively charged electrode and the cathode is negatively charged electrode.
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128 views
1 answer
asked
Mar 14, 2018
by
anonymous

What is the difference between an insulator and a dielectric?
Last Answer : Dielectric is the another name for insulator.
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113 views
1 answer
asked
Mar 11, 2018
by
anonymous

What is the difference between a sensor and a transducer?
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503 views
0 answers
asked
Mar 11, 2018
by
anonymous

What is the difference between microcontroller and ARM processor?
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139 views
0 answers
asked
Mar 11, 2018
by
anonymous

What is the difference between a microcontroller and a microprocessor?
Last Answer : Compare microprocessor and microcontroller Microprocessor Microcontroller 1)Inbuilt RAM and ROM 1)Do not have inbuilt RAM or ROM 2)Inbuilt timer 2)Doesn't have inbuilt timer ... same memory 6)Many Multifunction pins on the IC 6)less multifunction Pins on IC.
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226 views
1 answer
asked
Mar 11, 2018
by
anonymous

What is the difference between a mesh and a loop?
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365 views
0 answers
asked
Mar 10, 2018
by
anonymous

What is the difference between an ECU and an ECM?
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66 views
0 answers
asked
Mar 10, 2018
by
anonymous

What is the difference between DFT and FFT?
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71 views
0 answers
asked
Mar 10, 2018
by
anonymous
