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Recent questions tagged power-factor
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GATE Electrical 2014 Set 2 | Question: 53
A fully controlled converter bridge feeds a highly inductive load with ripple free load current. The input supply $(V_s)$ to the bridge is a sinusoidal source. Triggering angle of the bridge converter is $\alpha =30^ \circ$. The input power factor of the bridge is __________.
A fully controlled converter bridge feeds a highly inductive load with ripple free load current. The input supply $(V_s)$ to the bridge is a sinusoidal source. Triggering...
makhdoom ghaya
9.4k
points
makhdoom ghaya
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Feb 11, 2017
Electrical and Electronic Measurements
gate2014-ee-2
power-factor
converters
numerical-answers
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2
GATE Electrical 2014 Set 2 | Question: 20
While measuring power of a three-phase balanced load by the two-wattmeter method, the readings are $100$ $W$ and $250$ $W$. The power factor of the load is ______.
While measuring power of a three-phase balanced load by the two-wattmeter method, the readings are $100$ $W$ and $250$ $W$. The power factor of the load is ______.
makhdoom ghaya
9.4k
points
makhdoom ghaya
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Feb 11, 2017
Power Systems
gate2014-ee-2
balanced-loads
power-factor
numerical-answers
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–
0
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3
GATE Electrical 2014 Set 2 | Question: 15
A three phase star-connected load is drawing power at a voltage of $0.9$ $pu$ and $0.8$ power factor lagging. The three phase base power and base current are $100$ $MVA$ and $437.384$ $A$ respectively. The line-to-line load voltage in $kV$ is ________.
A three phase star-connected load is drawing power at a voltage of $0.9$ $pu$ and $0.8$ power factor lagging. The three phase base power and base current are $100$ $MVA$ ...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2014-ee-2
power-factor
star-connection
numerical-answers
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–
0
votes
0
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4
GATE Electrical 2014 Set 1 | Question: 15
Three-phase to ground fault takes place at locations $F_1$ and $F_2$ in the system shown in the figure If the fault takes place at location $F_1$, then the voltage and the current at bus $A$ are $V_{F1}$ and $I_{F1}$ respectively. If the fault takes place at location ... $I_{F1}$ and $V_{F2}$ leads $I_{F2}$ $V_{F1}$ lags $I_{F1}$ and $V_{F2}$ lags $I_{F2}$
Three-phase to ground fault takes place at locations $F_1$ and $F_2$ in the system shown in the figureIf the fault takes place at location $F_1$, then the voltage and the...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2014-ee-1
single-line-diagram
power-factor
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0
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0
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5
GATE Electrical 2015 Set 2 | Question: 30
The coils of a wattmeter have resistances $0.01 \Omega$ and $1000 \Omega$; their inductances may be neglected. The wattmeter is connected as shown in the figure, to measure the power consumed by a load, which draws $25 A$ at power factor $0.8$. The voltage across the load terminals is $30 V$. The percentage error on the wattmeter reading is ________.
The coils of a wattmeter have resistances $0.01 \Omega$ and $1000 \Omega$; their inductances may be neglected. The wattmeter is connected as shown in the figure, to measu...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electric Circuits
gate2015-ee-2
power-measurement
coils
power-factor
numerical-answers
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0
votes
0
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6
GATE Electrical 2016 Set 2 | Question: 41
The power consumption of an industry is $500$ kVA, at $0.8$ p.f. lagging. A synchronous motor is added to raise the power factor of the industry to unity. If the power intake of the motor is $100$ kW, the p.f. of the motor is ___________.
The power consumption of an industry is $500$ kVA, at $0.8$ p.f. lagging. A synchronous motor is added to raise the power factor of the industry to unity. If the power in...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Jan 29, 2017
Power Systems
gate2016-ee-2
synchronous-motor
power-factor
power-intake
numerical-answers
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