Discuss
menu
search
person
Login
Register
search
edit
Ask a Question
Discuss
All Activity
Q&A
Questions
Hot!
Unanswered
Tags
Ask a Question
What is meant by power dip?
asked
Mar 10, 2018
by
anonymous
What is meant by power dip?
power
dip
thumb_up_alt
0
like
thumb_down_alt
0
dislike
54
views
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
0
Answers
← Prev Question
Next Question →
Related questions
asked
Mar 10, 2018
by
anonymous
What is meant by feeder in power system?
What is meant by feeder in power system?
Last answer:
A feeder line is a peripheral route or branch in a network which connects smaller or more remote nodes with a route or branch carrying heavier traffic. The term is applicable to any system based on a hierarchical network.
feeder
power
system
thumb_up_alt
0
like
thumb_down_alt
0
dislike
78
views
1
answer
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
thumb_up_alt
0
like
thumb_down_alt
0
dislike
71
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is the best power factor?
What is the best power factor?
Last answer:
It is unity power factor but difficult to achieve in dynamic loads
best
power
factor
thumb_up_alt
0
like
thumb_down_alt
0
dislike
75
views
1
answer
asked
Mar 10, 2018
by
anonymous
What is power factor angle?
What is power factor angle?
power
factor
angle
thumb_up_alt
0
like
thumb_down_alt
0
dislike
59
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is a digital power meter?
What is a digital power meter?
digital
power
meter
thumb_up_alt
0
like
thumb_down_alt
0
dislike
48
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is an RF Power Meter?
What is an RF Power Meter?
rf
power
meter
thumb_up_alt
0
like
thumb_down_alt
0
dislike
44
views
0
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
thumb_up_alt
0
like
thumb_down_alt
0
dislike
75
views
2
answers
asked
Mar 10, 2018
by
anonymous
What is power logger?
What is power logger?
power
logger
thumb_up_alt
0
like
thumb_down_alt
0
dislike
165
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is harmonic in power quality?
What is harmonic in power quality?
harmonic
power
quality
thumb_up_alt
0
like
thumb_down_alt
0
dislike
47
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is a power quality analyzer?
What is a power quality analyzer?
power
quality
analyzer
thumb_up_alt
0
like
thumb_down_alt
0
dislike
434
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is power quality meter?
What is power quality meter?
power
quality
meter
thumb_up_alt
0
like
thumb_down_alt
0
dislike
45
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is good power quality?
What is good power quality?
good
power
quality
thumb_up_alt
0
like
thumb_down_alt
0
dislike
52
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is power quality monitoring?
What is power quality monitoring?
power
quality
monitoring
thumb_up_alt
0
like
thumb_down_alt
0
dislike
60
views
0
answers
asked
Mar 10, 2018
by
anonymous
What causes random power outages?
What causes random power outages?
causes
random
power
outages
thumb_up_alt
0
like
thumb_down_alt
0
dislike
45
views
0
answers
asked
Mar 10, 2018
by
anonymous
What are the power quality disturbance?
What are the power quality disturbance?
power
quality
disturbance
thumb_up_alt
0
like
thumb_down_alt
0
dislike
72
views
0
answers
asked
Mar 10, 2018
by
anonymous
What are the different power quality issues?
What are the different power quality issues?
different
power
quality
issues
thumb_up_alt
0
like
thumb_down_alt
0
dislike
50
views
0
answers
asked
Mar 10, 2018
by
anonymous
What can you do to prevent a power surge?
What can you do to prevent a power surge?
prevent
power
surge
thumb_up_alt
0
like
thumb_down_alt
0
dislike
51
views
0
answers
asked
Mar 10, 2018
by
anonymous
What would cause a power surge in a house?
What would cause a power surge in a house?
Last answer:
If your neibour / other flat owners / your maintainer staff switch on any type of inductive load that can cause power surge / dip
cause
power
surge
house
thumb_up_alt
0
like
thumb_down_alt
0
dislike
70
views
1
answer
asked
Mar 10, 2018
by
anonymous
What is meant by KVA?
What is meant by KVA?
Last answer:
KVA - kilo volt ampere Used to specify the transformer details
kva
thumb_up_alt
1
like
thumb_down_alt
0
dislike
137
views
2
answers
asked
Mar 10, 2018
by
anonymous
What is meant by a voltage surge?
What is meant by a voltage surge?
voltage
surge
thumb_up_alt
0
like
thumb_down_alt
0
dislike
50
views
0
answers
asked
Sep 10, 2017
by
anonymous
why power quality is important?
Last answer:
Power quality is important because the electrical appliances will works better and will be safer and less loss in energy. Low energy waste and improves stability of power system .
power
quality
important
thumb_up_alt
0
like
thumb_down_alt
0
dislike
56
views
1
answer
asked
Mar 10, 2018
by
anonymous
Can you have a power factor greater than 1?
Can you have a power factor greater than 1?
Last answer:
We cannot have power factor greater than 1. As it is a measure of cosine of angle between voltage and current.
power
factor
greater
thumb_up_alt
0
like
thumb_down_alt
0
dislike
103
views
1
answer
asked
Mar 10, 2018
by
anonymous
Why do we need to correct power factor?
Why do we need to correct power factor?
need
correct
power
factor
thumb_up_alt
0
like
thumb_down_alt
0
dislike
52
views
0
answers
asked
Mar 10, 2018
by
anonymous
How do you measure power factor?
How do you measure power factor?
Last answer:
P= 1.83*V*I*COS@ where P is power V is voltage I is current COS @ is P.F COS@= P/(1.83*V*I) in other way cos @ = true power/apparent power
measure
power
factor
thumb_up_alt
0
like
thumb_down_alt
0
dislike
66
views
1
answer
asked
Mar 10, 2018
by
anonymous
Can a power surge erase a hard drive?
Can a power surge erase a hard drive?
power
surge
erase
hard
drive
thumb_up_alt
0
like
thumb_down_alt
0
dislike
42
views
0
answers
asked
Mar 10, 2018
by
anonymous
Can power surge damage your computer?
Can power surge damage your computer?
power
surge
damage
computer
thumb_up_alt
0
like
thumb_down_alt
0
dislike
46
views
0
answers
asked
Mar 10, 2018
by
anonymous
How often do power surges occur?
How often do power surges occur?
power
surges
thumb_up_alt
0
like
thumb_down_alt
0
dislike
52
views
0
answers
asked
Sep 10, 2017
by
anonymous
how to monitor power quality?
Last answer:
By applying various power quality monitoring devices and using telecommunication technique .
monitor
power
quality
thumb_up_alt
0
like
thumb_down_alt
0
dislike
135
views
1
answer
asked
Sep 21, 2017
by
anonymous
What is mean by power switching devices?
What is mean by power switching devices?
Last answer:
Power switching devices means like BJT, power MOSFET, SCR, TRIAC, GTO etc.
power
switching
devices
thumb_up_alt
0
like
thumb_down_alt
0
dislike
57
views
1
answer
asked
Jan 17, 2018
by
Divyasree
What is meant by hydro power plant?
Last answer:
The potential energy of water is coverted into kinetic energy by flowing it from height and with the help of k.e. Turbines are rotate at particular speed it means the k.e. Of water is again ... simply define the hydro power plant as it give the conversion of P.E OF water into electrical energy
thumb_up_alt
3
like
thumb_down_alt
0
dislike
104
views
2
answers
asked
May 8, 2018
by
anonymous
_______ electric power is the most common method used by electrical grids to transfer power.
_______ electric power is the most common method used by electrical grids to transfer power. (A) One-phase (B) Two-phase (C) Three-phase (D) None of the above
Last answer:
Three-phase electric power is the most common method used by electrical grids to transfer power.
electrical
grids
transfer
power
thumb_up_alt
0
like
thumb_down_alt
0
dislike
62
views
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
thumb_up_alt
0
like
thumb_down_alt
0
dislike
211
views
1
answer
asked
Apr 28, 2018
by
anonymous
In voltage source converter based HVDC transmission system the active power is controlled by changing
In voltage source converter based HVDC transmission system the active power is controlled by changing (A) phase angle of the converter ac input voltage (B) supply frequency of the converter ac input voltage (C) magnitude of the converter ac input voltage (D) DC voltage at the inverter terminals
Last answer:
In voltage source converter based HVDC transmission system the active power is controlled by changing phase angle of the converter ac input voltage
voltage
source
converter
hvdc
transmission
system
active
power
controlled
thumb_up_alt
0
like
thumb_down_alt
0
dislike
98
views
1
answer
asked
Apr 28, 2018
by
anonymous
The power consumed by a balanced 3-ph load is measured by two-wattmeter method. The meter readings are
The power consumed by a balanced 3-ph load is measured by two-wattmeter method. The meter readings are 8 kW and 4 kW. The power factor of the load is (A) zero (B) 0.5 (C) between zero and 0.5 (D) between 0.5 and unity
Last answer:
The power consumed by a balanced 3-ph load is measured by two-wattmeter method. The meter readings are 8 kW and 4 kW. The power factor of the load is between 0.5 and unity
power
consumed
balanced
load
measured
two-wattmeter
method
thumb_up_alt
0
like
thumb_down_alt
0
dislike
106
views
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
thumb_up_alt
0
like
thumb_down_alt
0
dislike
271
views
1
answer
asked
Mar 26, 2018
by
anonymous
The mechanical power developed by the armature of a d.c. motor is equal to?
The mechanical power developed by the armature of a d.c. motor is equal to?
Last answer:
The mechanical power developed by the armature of a d.c. motor is equal to armature current multiplied by back e.m.f.
motor
mechanical
power
thumb_up_alt
0
like
thumb_down_alt
0
dislike
306
views
1
answer
asked
Mar 25, 2018
by
anonymous
The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is?
The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is?
Last answer:
The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is 6 kVAR.
apparent
power
ac
circuit
kva
active
thumb_up_alt
1
like
thumb_down_alt
0
dislike
325
views
1
answer
asked
Mar 25, 2018
by
anonymous
The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is?
The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is?
Last answer:
The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is 32 kW.
ac
circuit
power
factor
lagging
thumb_up_alt
0
like
thumb_down_alt
0
dislike
308
views
1
answer
asked
Mar 25, 2018
by
anonymous
Power factor of an inductive circuit is usually improved by connecting capacitor to it in?
Power factor of an inductive circuit is usually improved by connecting capacitor to it in?
Last answer:
Power factor of an inductive circuit is usually improved by connecting capacitor to it in parallel.
power
factor
inductive
circuit
usually
improved
capacitor
thumb_up_alt
0
like
thumb_down_alt
0
dislike
152
views
1
answer
asked
Mar 22, 2018
by
anonymous
In case of locomotives the tractive power is provided by?
Last answer:
In case of locomotives the tractive power is provided by double cylinder, double acting steam engine.
case
locomotives
tractive
power
thumb_up_alt
0
like
thumb_down_alt
0
dislike
61
views
1
answer
asked
Mar 21, 2018
by
anonymous
The electrical power to a meggar is provided by?
Last answer:
The electrical power to a meggar is provided by permanent magnet D.C. generator.
electrical
power
meggar
thumb_up_alt
0
like
thumb_down_alt
0
dislike
65
views
1
answer
asked
Mar 20, 2018
by
anonymous
The mechanical power developed by a shunt motor will be maximum when the ratio of back e.m.f. to applied voltage is?
Last answer:
The mechanical power developed by a shunt motor will be maximum when the ratio of back e.m.f. to applied voltage is 0.5.
mechanical
power
shunt
motor
maximum
ratio
back
emf
voltage
thumb_up_alt
0
like
thumb_down_alt
0
dislike
144
views
1
answer
asked
Mar 19, 2018
by
anonymous
The maximum load that a power transformer can carry is limited by its?
The maximum load that a power transformer can carry is limited by its?
Last answer:
The maximum load that a power transformer can carry is limited by its voltage ratio.
maximum
load
power
transformer
carry
limited
thumb_up_alt
0
like
thumb_down_alt
0
dislike
103
views
1
answer
asked
Mar 10, 2018
by
anonymous
How much electricity is produced by a power plant?
How much electricity is produced by a power plant?
electricity
power
plant
thumb_up_alt
0
like
thumb_down_alt
0
dislike
79
views
0
answers
asked
Mar 21, 2020
by
anonymous
Find power delivered by voltage source
Last answer:
Find power delivered by voltage source
find
power
delivered
by
voltage
source
transformation
thumb_up_alt
1
like
thumb_down_alt
1
dislike
40
views
1
answer
asked
Sep 22, 2018
by
anonymous
Explain energy conservation technique “by improving power quality” for induction motor.
Explain energy conservation technique “by improving power quality” for induction motor.
Last answer:
Energy conservation method in induction motor by improving power quality: Electrical energy can be conserved by improving the power quality. It can be achieved by avoiding voltage unbalance, maintaining ... losses can be minimized by using harmonic filter thus reducing the harmonics in the system.
energy
conservation
technique
improving
power
quality
induction
motor
thumb_up_alt
0
like
thumb_down_alt
0
dislike
2.9k
views
2
answers
asked
Apr 26, 2018
by
anonymous
The resolving power of a spectrometer consisting of collimator, a grating and a telescope can be increased by
The resolving power of a spectrometer consisting of collimator, a grating and a telescope can be increased by (A) increasing the angular magnification of the telescope (B) increasing the period of the grating (C) decreasing the period of the grating (D) decreasing the slit-width of the collimator
Last answer:
The resolving power of a spectrometer consisting of collimator, a grating and a telescope can be increased by decreasing the period of the grating
resolving
power
spectrometer
collimator
grating
telescope
thumb_up_alt
0
like
thumb_down_alt
0
dislike
62
views
1
answer
asked
Mar 21, 2018
by
anonymous
In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero...
In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero. The power factor of the load must be?
Last answer:
In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero. The power factor of the load must be 0.5.
wattmeter
power
factor
thumb_up_alt
0
like
thumb_down_alt
0
dislike
147
views
1
answer
asked
Mar 21, 2018
by
anonymous
In a 3-phase power measurement by two wattmeter method, both the wattmeters had identical readings...
In a 3-phase power measurement by two wattmeter method, both the watt meters had identical readings. The power factor of the load was?
Last answer:
In a 3-phase power measurement by two wattmeter method, both the watt meters had identical readings. The power factor of the load was unity.
measurement
wattmeter
power
factor
thumb_up_alt
0
like
thumb_down_alt
0
dislike
433
views
1
answer
asked
Mar 20, 2018
by
anonymous
Approximate estimation of power demand can be made by?
Last answer:
Approximate estimation of power demand can be made by load survey method, statistical methods, mathematical method, economic parameters.
power
demand
thumb_up_alt
0
like
thumb_down_alt
0
dislike
80
views
1
answer
Install Now
...