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Electrical Engineering

Draw the setup of the Open circuit test in a transformer.

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Draw the setup of the Open circuit test in a transformer.

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Draw the setup of the short circuit test in a transformer.

Draw the setup of the short circuit test in a transformer.

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Draw a neat experimental setup to conduct OC test on a single-phase transformer.

Draw a neat experimental setup to conduct OC test on a single-phase transformer.

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Explain the procedure and readings obtained in the open circuit test in a transformer.

Explain the procedure and readings obtained in the open circuit test in a transformer.

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Draw a circuit diagram for polarity test on a single-phase transformer.

Draw a circuit diagram for polarity test on a single-phase transformer.

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Explain the procedure and readings obtained in the short circuit test in a transformer.

Explain the procedure and readings obtained in the short circuit test in a transformer.
Answer : The short-circuit test in a transformer is performed to determine the transformer's impedance and to calculate its copper losses (the losses due to the resistance of the windings). ... assessing the efficiency of the transformer and for designing protection systems like fuses and circuit breakers....

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in Electrical Engineering

Draw the equivalent circuit of a transformer referred to the primary and state the meaning of each term related to the equivalent circuit.

Draw the equivalent circuit of a transformer referred to the primary and state the meaning of each term related to the equivalent circuit.

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A three-phase transformer having a line voltage ratio of 0.4 kV/11kV is connected Star/Delta and protective transformers on the 0.4 kV side have a current ratio of 500/5. Calculate the ratio of the protective transformers on the 11 kV side. Draw a neat circuit diagram and indicate the given values at appropriate places.

A three-phase transformer having a line voltage ratio of 0.4 kV/11kV is connected Star/Delta and protective transformers on the 0.4 kV side have a current ratio of 500/5. Calculate the ratio of ... on the 11 kV side. Draw a neat circuit diagram and indicate the given values at appropriate places.

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Draw the equivalent circuit of a transformer as referred to the secondary.

Draw the equivalent circuit of a transformer as referred to the secondary.

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Draw the equivalent circuit of a transformer as referred to the primary.

Draw the equivalent circuit of a transformer as referred to the primary.

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What is the danger of open-circuiting a current transformer secondary?

What is the danger of open-circuiting a current transformer secondary?

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What is the internal resistance of a Current Source and what should it be replaced with: Short circuit or Open Circuit?

What is the internal resistance of a Current Source and what should it be replaced with: Short circuit or Open Circuit?

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What is the internal resistance of a Voltmeter and what should it be replaced with: Short circuit or Open Circuit?

What is the internal resistance of a Voltmeter and what should it be replaced with: Short circuit or Open Circuit?

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What is the internal resistance of a Voltage source and what should it be replaced with: Short circuit or Open Circuit?

What is the internal resistance of a Voltage source and what should it be replaced with: Short circuit or Open Circuit?

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in Electrical Engineering

How does a bimetal disc open or close the circuit?

How does a bimetal disc open or close the circuit?

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in Electrical Engineering

What is the effect of gate open-circuit voltage on SCR operation?

What is the effect of gate open-circuit voltage on SCR operation?

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What is the method of testing open circuit and short circuit?

What is the method of testing open circuit and short circuit?

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What is the internal resistance of an Ammeter and what should it be replaced with: Short circuit or Open Circuit?

What is the internal resistance of an Ammeter and what should it be replaced with: Short circuit or Open Circuit?

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in Electrical Engineering

How does the bimetallic strip open the circuit?

How does the bimetallic strip open the circuit?

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in Electrical Engineering

Why are z parameters called open circuit parameters?

Why are z parameters called open circuit parameters?

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Why are Z-parameters called open circuit parameters?

Why are Z-parameters called open circuit parameters?

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Why are Z-parameters called open-circuit parameters?

Why are Z-parameters called open-circuit parameters?

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in Electrical Engineering

What is open circuit method?

What is open circuit method?

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Draw the phasor diagram for leading load of a transformer.

Draw the phasor diagram for leading load of a transformer.

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Draw the phasor diagram for lagging load of a transformer.

Draw the phasor diagram for lagging load of a transformer.

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Draw the phasor diagram for resistive load of a transformer.

Draw the phasor diagram for resistive load of a transformer.

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in Electrical Engineering

Draw the phasor diagram of a practical transformer without load.

Draw the phasor diagram of a practical transformer without load.

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in Electrical Engineering

Explain the polarity test of a transformer. Why is it necessary?

Explain the polarity test of a transformer. Why is it necessary?

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in Electrical Engineering

How can you use LEDs in a photography setup?

How can you use LEDs in a photography setup?

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What is the difference between setup time and hold time in flip-flops?

What is the difference between setup time and hold time in flip-flops?

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in Electrical Engineering

What is in circuit test system?

What is in circuit test system?

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What is the proper way to install wiring for a home broadcast studio or podcasting setup?

What is the proper way to install wiring for a home broadcast studio or podcasting setup?

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What is the proper way to install wiring for a home virtual reality setup?

What is the proper way to install wiring for a home virtual reality setup?

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What is the proper way to wire a home cryotherapy or hydrotherapy setup?

What is the proper way to wire a home cryotherapy or hydrotherapy setup?

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What is the proper way to wire a home brewing or winemaking setup?

What is the proper way to wire a home brewing or winemaking setup?

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in Electrical Engineering

Describe the control of a single lamp from three places. Draw the relevant circuit diagram.

Describe the control of a single lamp from three places. Draw the relevant circuit diagram.

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Explain control of a single lamp from four places. Draw the relevant circuit diagram.

Explain control of a single lamp from four places. Draw the relevant circuit diagram.

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in Electrical Engineering

Draw the circuit diagram of a short shunt and long shunt type of composite self excited DC generator.

Draw the circuit diagram of a short shunt and long shunt type of composite self excited DC generator.

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in Electrical Engineering

How to draw a circuit?

How to draw a circuit?

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in Electrical Engineering

How does a current unbalance protection scheme detect open phase conditions in motors?

How does a current unbalance protection scheme detect open phase conditions in motors?

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in Electrical Engineering

How do you calculate the total wattage of an LED setup?

How do you calculate the total wattage of an LED setup?

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in Electrical Engineering

How do you calculate the total lumens from an LED setup?

How do you calculate the total lumens from an LED setup?

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in Electrical Engineering

Draw the circuit diagram of battery charger using SCR and explain its working.

Draw the circuit diagram of battery charger using SCR and explain its working.

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in Electrical Engineering

Draw circuit diagram of symmetrical configuration of bridge converter.

Draw circuit diagram of symmetrical configuration of bridge converter.

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in Electrical Engineering

Draw circuit diagram of Class B commutation.

Draw circuit diagram of Class B commutation.

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Draw the circuit diagram of DC static circuit breaker and give its operation.

Draw the circuit diagram of DC static circuit breaker and give its operation.

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Draw the circuit diagram and phasor diagram of nominal T method of medium transmission line.

Draw the circuit diagram and phasor diagram of nominal T method of medium transmission line.

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in Electrical Engineering

Draw neat circuit diagrams of i) Feeder reactor ii) Generator reactor.

Draw neat circuit diagrams of i) Feeder reactor ii) Generator reactor.

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in Electrical Engineering

Draw the power triangle of R-C circuit.

Draw the power triangle of R-C circuit.

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Draw the impedance triangle of R-C circuit.

Draw the impedance triangle of R-C circuit.

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Draw the voltage triangle of R-C circuit.

Draw the voltage triangle of R-C circuit.

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