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What is the use of stability factor?
asked
Mar 10, 2018
by
anonymous
What is the use of stability factor?
use
stability
factor
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asked
Mar 10, 2018
by
anonymous
What is the use of power factor correction?
What is the use of power factor correction?
use
power
factor
correction
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71
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0
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asked
Mar 10, 2018
by
anonymous
What is stability in an amplifier?
What is stability in an amplifier?
stability
amplifier
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59
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0
answers
asked
Apr 29, 2018
by
anonymous
If stability error for step input and speed of response be the criteria for design, what controller would you
If stability error for step input and speed of response be the criteria for design, what controller would you recommend (1) P controller (2) PD controller (3) PI controller (4) PID controller
Last answer:
If stability error for step input and speed of response be the criteria for design, what controller would you recommend (1) P controller (2) PD controller (3) PI controller (4) PID controller
stability
error
criteria
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87
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1
answer
asked
Apr 30, 2018
by
anonymous
The stability of the power system is not affected by
The stability of the power system is not affected by (1) generator reactance (2) line reactance (3) line losses (4) output torque
Last answer:
The stability of the power system is not affected by line losses
stability
power
system
affected
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211
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1
answer
asked
Apr 29, 2018
by
anonymous
Which of the following statements is true? steady-state stability limit is greater than transient stability limit
Which of the following statements is true? (1) steady-state stability limit is greater than transient stability limit (2) steady-state stability limit is equal to transient stability limit (3) steady-state stability limit is less than the transient stability limit (4) no generalization can be made regarding the equality or otherwise of the steady-state stability limit and transient stability limit
Last answer:
Which of the following statements is true? (1) steady-state stability limit is greater than transient stability limit (2) steady-state stability limit is equal to transient ... made regarding the equality or otherwise of the steady-state stability limit and transient stability limit
steady-state
stability
limit
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1
answer
asked
Apr 28, 2018
by
anonymous
steady-state stability of a power system is improved by
steady-state stability of a power system is improved by
Last answer:
steady-state stability of a power system is improved by using double circuit line instead of single circuit line
steady-state
stability
power
system
improved
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271
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1
answer
asked
May 8, 2018
by
anonymous
The steady state stability limit as compared to the transient state stability limit is always
The steady state stability limit as compared to the transient state stability limit is always
Last answer:
The steady state stability limit as compared to the transient state stability limit is always Greater
steady
state
stability
limit
transient
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77
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1
answer
asked
Apr 30, 2018
by
anonymous
The 'Equal area criterion' for the determination of transient stability of a synchronous machine connected to
The 'Equal area criterion' for the determination of transient stability of a synchronous machine connected to an infinite bus (1) ignores line as well as synchronous machine resistance and shunt capacitances. (2) assumes accelerating power acting on the rotor as constant. (3) ignores the effect of voltage ... inherent damping present in the machine. (4) takes into consideration the possibility of machine losing synchronism after it has survived during the first swing.
Last answer:
1
equal
area
criterion
transient
stability
synchronous
machine
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229
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2
answers
asked
Apr 27, 2018
by
anonymous
With fault clearing time, the transient stability of a power system
With fault clearing time, the transient stability of a power system
Last answer:
With fault clearing time, the transient stability of a power system decreases
fault
clearing
time
transient
stability
power
system
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89
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1
answer
asked
Mar 20, 2018
by
anonymous
The steady state stability of the power system can be increased by?
Last answer:
The steady state stability of the power system can be increased by connecting lines in parallel.
steady
state
stability
power
system
increased
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93
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1
answer
asked
Mar 15, 2018
by
anonymous
What is the basic use of capacitor?
What is the basic use of capacitor?
basic
use
capacitor
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57
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is the main use of a transistor?
What is the main use of a transistor?
Last answer:
Main use of a transistor as amplifier and as switch.
main
use
transistor
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59
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1
answer
asked
May 8, 2018
by
anonymous
Stability of a transmission line can be increased by
Stability of a transmission line can be increased by
Last answer:
Stability of a transmission line can be increased by Shunt capacitor, Series capacitor
stability
transmission
line
increased
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261
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1
answer
asked
Aug 9, 2017
by
anonymous
Improvement of transient stability using SVC
Improvement of transient stability using SVC
Last answer:
Improvement of transient stability using SVC The static VAR compensator (SVC) is a shunt connected FACTS device. SVC have two modes one is inductive ... ;transmittable power. Transient stability improvement can be estimated using equal area criterion.
svc
improvement
transient
stability
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205
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1
answer
asked
Jun 28, 2020
by
anonymous
Define stability. Sketch the root locations in the s-plane for stable and unstable system.
Define stability. Sketch the root locations in the s-plane for stable and unstable system.
Last answer:
Stability: The system is said to be stable if it produces bounded output for a bounded input. It is used to define usefulness of the system. The stability implies that the system performance should not ... absence of the input, output may not return to zero it shows certain output without input.
stability
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88
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1
answer
asked
May 15, 2020
by
anonymous
What is the use of transformer?
What is the use of transformer?
Last answer:
The use of transformer is to do lower or raise the voltage or currents in an electrical circuit. That's quite so simple.
use
transformer
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138
views
1
answer
asked
Mar 22, 2018
by
anonymous
What is the use of diode in the circuit?
What is the use of diode in the circuit?
Last answer:
Diode is a device which allows the flow of current in one direction and blocks the current in opposite direction.
use
diode
circuit
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99
views
1
answer
asked
Mar 19, 2018
by
anonymous
What is the use of a thyristor in a circuit?
What is the use of a thyristor in a circuit?
use
thyristor
circuit
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0
answers
asked
Mar 19, 2018
by
anonymous
What is the use of a Mosfet?
What is the use of a Mosfet?
use
mosfet
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0
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44
views
0
answers
asked
Mar 15, 2018
by
anonymous
What is the use of Arduino Uno?
What is the use of Arduino Uno?
use
arduino
uno
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0
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0
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76
views
0
answers
asked
Mar 15, 2018
by
anonymous
What is the use of PWM in Arduino?
What is the use of PWM in Arduino?
use
pwm
arduino
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0
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117
views
0
answers
asked
Mar 15, 2018
by
anonymous
What is the use of Arduino Mega?
What is the use of Arduino Mega?
use
arduino
mega
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0
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0
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51
views
0
answers
asked
Mar 15, 2018
by
anonymous
What is the use of synchronous motor?
What is the use of synchronous motor?
use
synchronous
motor
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0
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57
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is the use of Fast Fourier Transform?
What is the use of Fast Fourier Transform?
use
fast
fourier
transform
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0
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65
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is the use of Z transform?
What is the use of Z transform?
use
z-transform
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0
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0
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65
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is the use of DFT in DSP?
What is the use of DFT in DSP?
use
dft
dsp
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0
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45
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is the use of digital signal processing?
What is the use of digital signal processing?
use
digital
signal
processing
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0
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58
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0
answers
asked
Mar 10, 2018
by
anonymous
What is the use of AC and DC drives?
What is the use of AC and DC drives?
use
ac
dc
drives
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0
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0
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71
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is the use of signal flow graph?
What is the use of signal flow graph?
use
signal
flow
graph
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0
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0
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68
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is the use of differential amplifier?
What is the use of differential amplifier?
use
differential
amplifier
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0
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0
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54
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is the use of operational amplifiers?
What is the use of operational amplifiers?
use
operational
amplifiers
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0
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46
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is the use of Arduino board?
What is the use of Arduino board?
use
arduino
board
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0
like
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0
dislike
54
views
0
answers
asked
Dec 25, 2017
by
anonymous
What is the use of lightning arrester?
What is the use of lightning arrester?
Last answer:
The lighting arrester is used to discharge the high voltage surge towards the earth by the lighting strike
use
lightning
arrester
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2
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0
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126
views
1
answer
asked
Dec 19, 2017
by
anonymous
What is the use of 555 timer?
What is the use of 555 timer?
Last answer:
555 IC timer is use in timers and oscillators.
use
555
timer
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1
like
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0
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72
views
1
answer
asked
Dec 17, 2017
by
anonymous
What is the use of Buchholz relay in transformer?
What is the use of Buchholz relay in transformer?
Last answer:
This is a transformer that is used to step up and down current.
use
buchholz
relay
transformer
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1
like
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0
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115
views
1
answer
asked
Dec 16, 2017
by
anonymous
What is the use of an electric motor?
What is the use of an electric motor?
Last answer:
Electrical motors are use for converting electrical energy to mechanical energy. It may be use in fans, pumps, washing machine, cranes, trains, factories, industries etc.
use
electric
motor
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0
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70
views
1
answer
asked
Dec 9, 2017
by
anonymous
What is the use of Schottky diode?
What is the use of Schottky diode?
Last answer:
Schottky diode are use in SMPS, Sample and hold circuits and voltage clamping etc.
use
schottky
diode
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0
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100
views
1
answer
asked
Dec 9, 2017
by
anonymous
What is the use of laser diode?
What is the use of laser diode?
Last answer:
laser diodes are use in telecommunication, rangefinders, barcode readers etc.
use
laser
diode
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0
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0
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81
views
1
answer
asked
Dec 9, 2017
by
anonymous
What is the use of SCR?
What is the use of SCR?
Last answer:
SCR are use in lamp dimming, power regulators, motor control, rectifications of high power AC, control of welding machines and also use as switch these are some uses of silicon controlled rectifier.
use
scr
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2
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1
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75
views
1
answer
asked
Dec 9, 2017
by
anonymous
What is the use of fast recovery diode?
What is the use of fast recovery diode?
Last answer:
Fast recovery diode are used in high frequency rectification. Fast recovery diode also used for freewheeling. Fast recovery diode also used for DC to DC converter.
use
fast
recovery
diode
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0
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0
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77
views
1
answer
asked
Mar 15, 2018
by
anonymous
What language does the Arduino use?
What language does the Arduino use?
language
arduino
use
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0
like
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0
dislike
45
views
0
answers
asked
Mar 10, 2018
by
anonymous
What do we use to generate electricity?
What do we use to generate electricity?
Last answer:
Use wind turbines. In a windy seashore we set up some wind turbines. But when the place is not windy we got no electricity.
use
generate
electricity
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0
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152
views
2
answers
asked
May 17, 2020
by
anonymous
What is the value of capacitance required to improve power factor from 0.7 to 0.9.
What is the value of capacitance required to improve power factor from 0.7 to 0.9. Given that: Real power = 50 W Vrms of the source = 120 Frequency = 50 Hz #powerfactor
factor
power
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0
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0
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184
views
0
answers
asked
Mar 19, 2018
by
anonymous
What is the maximum value of power factor?
What is the maximum value of power factor?
Last answer:
1 is the maximum value of power factor.
maximum
value
power
factor
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0
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0
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79
views
1
answer
asked
Mar 16, 2018
by
anonymous
What is the power factor of purely resistive circuit?
What is the power factor of purely resistive circuit.
Last answer:
Unity that is 1
power
factor
purely
resistive
circuit
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0
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0
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169
views
2
answers
asked
Mar 10, 2018
by
anonymous
What is the advantage of high power factor?
What is the advantage of high power factor?
Last answer:
Reduced copper losses Smaller conductor size Improve voltage regulation Increase system capability Less energy bill
advantage
high
power
factor
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75
views
2
answers
asked
Mar 20, 2018
by
anonymous
In a shaded pole single-phase motor, the revolving field is produced by the use of?
Last answer:
In a shaded pole single-phase motor, the revolving field is produced by the use of shading coils.
shaded
pole
single-phase
motor
field
use
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0
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0
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86
views
1
answer
asked
Mar 20, 2018
by
anonymous
Series capacitors on transmission lines are of little use when the load VAR requirement is?
Last answer:
Series capacitors on transmission lines are of little use when the load VAR requirement is small.
series
capacitors
transmission
lines
use
load
var
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0
like
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0
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145
views
1
answer
asked
Mar 20, 2018
by
anonymous
Discrimination between main and backup protection is provided by the use of relays which are?
Last answer:
Discrimination between main and back up protection is provided by the use of relays which are slow.
discrimination
between
main
backup
protection
use
relays
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0
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0
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303
views
1
answer
asked
Mar 19, 2018
by
anonymous
Use of auto-transformer is economical when the transformation ratio is?
Use of auto-transformer is economical when the transformation ratio is?
Last answer:
Use of auto-transformer is economical when the transformation ratio is near unity.
use
auto-transformer
economical
transformation
ratio
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77
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1
answer
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