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in short circuit test of transformer which side is short circuited?
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asked
Sep 27, 2017
by
anonymous
transformer
short
circuit
test
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answered
Sep 27, 2017
by
anonymous
Low voltage side is short circuited.
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asked
Sep 27, 2017
by
anonymous
in short circuit test of transformer which side is low voltage side and which side is high voltage side?
Last answer:
Primary is high voltage side and Secondary is low Voltage side.
transformer
circuit
test
short
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99
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1
answer
asked
Sep 3, 2017
by
anonymous
what is short circuit test in transformer?
Last answer:
In short circuit test of transformer the low voltage side is short circuited . On high voltage side the voltmeter is connected in parallel and ammeter in series and also a wattmeter is ... circuit test is done for determining impedance and losses. In this test iron losses is neglected.
short
circuit
test
transformer
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Apr 27, 2020
by
anonymous
Explain the procedure to perform Short Circuit test on single phase transformer with circuit diagram.
Explain the procedure to perform Short Circuit test on single phase transformer with circuit diagram.
explain
the
procedure
to
perform
short
circuit
test
on
single
phase
transformer
with
diagram
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answers
asked
Sep 27, 2017
by
anonymous
in open circuit or no load test of transformer which side is open circuited?
Last answer:
High Voltage side is open circuited.
transformer
open
circuit
test
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91
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1
answer
asked
Sep 27, 2017
by
anonymous
in open circuit or no load test of transformer which side is low voltage side and which side is high voltage side?
Last answer:
Primary side is low voltage side and secondary side is high voltage side.
open
circuit
test
transformer
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94
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1
answer
asked
Mar 19, 2018
by
anonymous
Short circuit test on transformers is conducted to determine?
Last answer:
Short circuit test on transformers is conducted to determine copper losses.
short
circuit
test
transformers
conducted
determine
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1
answer
asked
Mar 20, 2018
by
anonymous
The short circuit in any winding of the transformer is the result of?
Last answer:
The short circuit in any winding of the transformer is the result of impulse voltage.
short
circuit
winding
transformer
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132
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1
answer
asked
Mar 19, 2018
by
anonymous
During open circuit test of a transformer?
During open circuit test of a transformer?
Last answer:
During open circuit test of a transformer primary is supplied rated voltage.
open
circuit
test
transformer
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1
answer
asked
Mar 19, 2018
by
anonymous
An open-circuit test on a transformer is conducted primarily to measure?
An open-circuit test on a transformer is conducted primarily to measure?
Last answer:
The open-circuit test in a transformer is used to measure
open-circuit
test
transformer
conducted
primarily
measure
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281
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2
answers
asked
Mar 19, 2018
by
anonymous
In which fault the maximum short circuit current occurs?
In which fault the maximum short circuit current occurs?
Last answer:
In three phase bolted fault the maximum short circuit occurs.
fault
maximum
short
circuit
current
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1
answer
asked
Apr 28, 2018
by
anonymous
Which of the following are known as the short circuit parameters of a 2- port network?
Which of the following are known as the short circuit parameters of a 2- port network? (A) Z- parameters. (B) H- parameters. (C) Y- parameters. (D) A,B,C,D, parameters.
Last answer:
Which of the following are known as the short circuit parameters of a 2- port network? (A) Z- parameters. (B) H- parameters. (C) Y- parameters. (D) A,B,C,D, parameters.
short
circuit
parameters
2-port
network
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55
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1
answer
asked
Jun 29, 2019
by
anonymous
Describe the difference between an open circuit and a short circuit.
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
describe
the
difference
between
an
open
circuit
and
a
short
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3
answers
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May 8, 2018
by
anonymous
If the % reactance upto the fault point is 20%, then the short circuit current will be
If the % reactance upto the fault point is 20%, then the short circuit current will be
Last answer:
If the % reactance upto the fault point is 20%, then the short circuit current will be 5 times the full load current
reactance
fault
point
short
circuit
current
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1
answer
asked
Mar 19, 2018
by
anonymous
A no-load test is performed on a transformer to determine?
A no-load test is performed on a transformer to determine?
Last answer:
A no-load test is performed on a transformer to determine magnetizing current and loss.
no-load
test
transformer
determine
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85
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1
answer
asked
Mar 19, 2018
by
anonymous
Sumpner's test is conducted on transformer to determine?
Sumpner's test is conducted on transformer to determine?
Last answer:
Sumpner's test is conducted on transformer to determine temprature.
sumpners
test
conducted
transformer
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92
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1
answer
asked
Apr 29, 2018
by
anonymous
The armature current on symmetrical 3 phase short circuit of a synchronous machine (salient pole)
The armature current on symmetrical 3 phase short circuit of a synchronous machine (salient pole) (A) has q -axis current only (B) has d -axis current only (C) has both d and q axis currents (D) cannot be divided between q and d axis currents
Last answer:
The armature current on symmetrical 3 phase short circuit of a synchronous machine (salient pole) has d -axis current only
armature
current
symmetrical
phase
short
circuit
synchronous
machine
salient
pole
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114
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answer
asked
Apr 30, 2020
by
anonymous
Polarity Test of Transformer
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test
of
transformer
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2
answers
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Mar 10, 2018
by
anonymous
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What can cause a short circuit?
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circuit
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Apr 27, 2020
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anonymous
Explain the open delta (delta-delta) test on transformer.
Explain the open delta (delta-delta) test on transformer.
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delta
delta-delta
test
transformer
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0
answers
asked
Apr 28, 2018
by
anonymous
If a 5-bus test system contains 6 transmission lines and one transformer, how many non- zero elements are
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Last answer:
If a 5-bus test system contains 6 transmission lines and one transformer, 19 non-zero elements are there in the system Y-bus.
test
system
contains
transmission
lines
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Mar 20, 2018
by
anonymous
The duration of sudden short-circuit test on a synchronous motor is usually about?
Last answer:
The duration of sudden short-circuit test on a synchronous motor is usually about one second.
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118
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1
answer
asked
Mar 21, 2018
by
anonymous
Armature coil is short circuited by brushes when it lies?
Last answer:
Armature coil is short circuited by brushes when it lies along neutral axis.
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coil
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126
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answer
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Mar 19, 2018
by
anonymous
The secondary of a current transformer is always short-circuited under operating conditions because it?
The secondary of a current transformer is always short-circuited under operating conditions because it?
Last answer:
The secondary of a current transformer is always short-circuited under operating conditions because it avoids core saturation and high voltage induction.
secondary
current
transformer
short-circuited
operating
conditions
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75
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1
answer
asked
Jun 18, 2018
by
anonymous
An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to
An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to secondary turn’s ratio 12:1. The peak inverse voltage is A) 8.62 V B) 12 V C) 19.17 V D) 27.11 V
Last answer:
An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to secondary turn’s ratio 12:1. The peak inverse voltage is A) 8.62 V B) 12 V C) 19.17 V D) 27.11 V
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supply
half-wave
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124
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answer
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May 17, 2020
by
anonymous
Equivalent circuit of transformer
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Last answer:
Equivalent Circuit Diagram of Transformer Referred to Primary: V1 -Primary Input voltage I1 - Input Current I0- Exciting current/ No load current Im- Magnetizing component ... equivalent of secondary terminal voltage ZL- Load impedance ZL ′- Primary equivalent of load impedance
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circuit
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226
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2
answers
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Mar 19, 2018
by
anonymous
During short circuit test iron losses are negligible because?
During short circuit test iron losses are negligible because?
Last answer:
During short circuit test iron losses are negligible because the voltage applied on primary side is low.
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74
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1
answer
asked
Jul 27, 2019
by
anonymous
Why phasing out and polarity test is carried out on three phase transformer?
Why phasing out and polarity test is carried out on three phase transformer?
Last answer:
The phasing out test is carried out to identify the windings (primary and secondary) of corresponding phase of the three phase transformer. The polarity test is carried out to identify the ... identical polarity of the primary and secondary windings of each phase of the three phase transformer.
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164
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1
answer
asked
Apr 27, 2020
by
anonymous
With the help of neat diagram, describe the procedure to carry out phasing out test on a 3 phase transformer. Also state the purpose of conducting this test on 3 phase transformer.
With the help of neat diagram, describe the procedure to carry out phasing out test on a 3 phase transformer. Also state the purpose of conducting this test on 3 phase transformer.
Last answer:
i) This test is carried out on 3-ph transformer to identify primary & secondary winding belonging to the same phase. ii) As shown in fig above all primary & secondary phases ... of this test is to check the respective phases of primary & secondary windings in 3-ph transformer
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152
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1
answer
asked
Mar 20, 2018
by
anonymous
Which relay is preferred for phase fault on short transmission line?
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Reactance relay is preferred for phase fault on short transmission line.
relay
phase
fault
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transmission
line
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91
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1
answer
asked
Apr 30, 2018
by
anonymous
For a short transmission line with r/x ratio of is 1.0, the regulation will be zero when the load power factor is
For a short transmission line with r/x ratio of is 1.0, the regulation will be zero when the load power factor is
Last answer:
For a short transmission line with r/x ratio of is 1.0, the regulation will be zero when the load power factor is 0.707 lead
short
transmission
line
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130
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1
answer
asked
Aug 18, 2017
by
anonymous
what is mean by short transmission line ?
what is mean by short transmission line ?
Last answer:
The transmission lines which have length less than 80 km is known as short transmission lines.
short
transmission
line
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89
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1
answer
asked
May 7, 2020
by
anonymous
State advantages of short pitch winding over full pitch winding in alternators.
State advantages of short pitch winding over full pitch winding in alternators.
Last answer:
Advantages of Short Pitch Winding over Full Pitch Winding in Alternators: 1) Short pitching reduces the amount of copper needed for end connection when compared with full pitched coil. 2) They ... reduced, thereby increasing the efficiency. 4) The power quality of generated emf is improved.
state
advantages
of
short
pitch
winding
over
full
in
alternators
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217
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1
answer
asked
Mar 19, 2018
by
anonymous
When secondary of a current transformer is open-circuited its iron core will be?
When secondary of a current transformer is open-circuited its iron core will be?
Last answer:
When secondary of a current transformer is open-circuited its iron core will be hot because of heavy iron losses taking place in it due to high flux density.
secondary
current
transformer
open-circuited
iron
core
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101
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1
answer
asked
Sep 30, 2017
by
anonymous
does the high voltage side of Transformer winding have more number of turns?
Last answer:
yes High Voltage side of Transformer winding have more number of turns. and low voltage side of Transformer winding have less number of turns.
transformer
high
voltage
turns
winding
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82
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1
answer
asked
Apr 29, 2018
by
anonymous
Slip test is performed to determine : (A) Slip in an induction motor vtkgi Xd and Xq in a salient pole alternator
Slip test is performed to determine : (A) Slip in an induction motor (B) Xd and Xq in a salient pole alternator (C) Synchronous impedance in an alternator (D) Positive and negative sequence impedances of an alternator
Last answer:
Slip test is performed to determine : Xd and Xq in a salient pole alternator
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test
determine
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78
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1
answer
asked
May 22, 2020
by
anonymous
State the effects of low power factor on efficiency and voltage regulation of short transmission lines.
State the effects of low power factor on efficiency and voltage regulation of short transmission lines.
Last answer:
i) Effect of Low power factor on efficiency:- When power factor of load reduces current drawn by transmission line increases so copper losses in transmission line increases, hence transmission ... increases, so voltage drop in transmission line increases so regulation increases. (Become Poor)
power
factor
short
transmission
lines
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75
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1
answer
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by
anonymous
3X3 inverse of matrix short trick
3X3 inverse of matrix short trick
Last answer:
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3x3
inverse
matrix
short
trick
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252
views
1
answer
asked
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by
anonymous
Noise level test in a transformer is a?
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70
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1
answer
asked
May 22, 2018
by
anonymous
A three phase slip ring induction motor is fed from the rotor side with stator winding short circuited stator is:
A three phase slip ring induction motor is fed from the rotor side with stator winding short circuited stator is: (1) Slip frequency (2) Supply frequency (3) Frequency corresponding to rotor speed (4) Zero
Last answer:
A three phase slip ring induction motor is fed from the rotor side with stator winding short circuited stator is: Slip frequency
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577
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1
answer
asked
Jul 22, 2019
by
anonymous
What is test bench? Write its applications
What is test bench? Write its applications
Last answer:
Test Bench: A test bench is used to verify the functionality of the design. We need to stimulate our designs in order to test their functionality. Stimulus in a real system is from an ... the entity under test and to collect output responses. 6. To compare output responses with expected values.
test
bench
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54
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1
answer
asked
Mar 20, 2018
by
anonymous
Hopkinson's test on D.C. machines is conducted at?
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Hopkinson's test on D.C. machines is conducted at full-load.
hopkinsons
test
dc
machines
conducted
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78
views
1
answer
asked
Mar 10, 2018
by
anonymous
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high
voltage
test
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51
views
0
answers
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Mar 10, 2018
by
anonymous
What is an insulation resistance test?
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insulation
resistance
test
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54
views
0
answers
asked
Mar 10, 2018
by
anonymous
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voltage
test
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50
views
0
answers
asked
Mar 21, 2018
by
anonymous
Murray loop test can be used for location of?
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murray
loop
test
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58
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answer
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by
anonymous
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motor
brake
test
numerical
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49
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2
answers
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by
anonymous
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.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
brake
test
on
dc
series
motor
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159
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2
answers
asked
Apr 16, 2020
by
anonymous
Explain the need and steps to conduct the reduced voltage running up test on the three phase induction motor.
Explain the need and steps to conduct the reduced voltage running up test on the three phase induction motor.
explain
the
need
and
steps
to
conduct
reduced
voltage
running
up
test
on
three
phase
induction
motor
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59
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0
answers
asked
Mar 15, 2018
by
anonymous
How do you test a capacitor with a multimeter?
How do you test a capacitor with a multimeter?
test
capacitor
multimeter
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114
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0
answers
asked
Mar 15, 2018
by
anonymous
How do we test a diode?
How do we test a diode?
test
diode
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57
views
0
answers
...