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 difference between KW and KVA?
asked
Mar 10, 2018
by
anonymous
What is difference between KW and KVA?
difference
between
kw
kva
thumb_up_alt
0
like
thumb_down_alt
1
dislike
134
views
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
answered
Jul 2, 2018
by
anonymous
kW is kilowatt and kVA is kilovolt ampere. kW is unit of real power and kVA is unit of Apparent power.
thumb_up_alt
0
like
thumb_down_alt
0
dislike
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Aug 19, 2019
by
anonymous
Why are generators rated in kVA not in kW ?
Why are generators rated in kVA not in kW ?
Last answer:
Because It's rating of generator kva is apparent power. Kw is active power which we use. And one is kvar reactive power.
generators
kva
kw
thumb_up_alt
0
like
thumb_down_alt
0
dislike
94
views
3
answers
asked
Mar 10, 2018
by
anonymous
What is the difference between linear and nonlinear electrical loads?
What is the difference between linear and nonlinear electrical loads?
difference
between
linear
nonlinear
electrical
loads
thumb_up_alt
0
like
thumb_down_alt
0
dislike
1.1k
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is the difference between a blackout and brownout?
What is the difference between a blackout and brownout?
difference
between
blackout
brownout
thumb_up_alt
0
like
thumb_down_alt
0
dislike
54
views
0
answers
asked
Aug 12, 2019
by
anonymous
What is the difference between a cable and a conductor?
What is the difference between a cable and a conductor?
difference
between
cable
conductor
thumb_up_alt
0
like
thumb_down_alt
0
dislike
86
views
0
answers
asked
May 2, 2018
by
anonymous
What is the difference between relay and contactor?
What is the difference between relay and contactor?
Last answer:
Relay have smaller ratings. Contactor is a high rating relay.
difference
between
relay
contactor
thumb_up_alt
0
like
thumb_down_alt
0
dislike
5.0k
views
1
answer
asked
Mar 19, 2018
by
anonymous
What is the difference between BJT and FET?
What is the difference between BJT and FET?
Last answer:
BJT is a current opperated transistor while FET is a field opperated transistor.
difference
between
bjt
fet
thumb_up_alt
0
like
thumb_down_alt
0
dislike
2.6k
views
1
answer
asked
Mar 15, 2018
by
anonymous
What is the difference between a soft start and a VFD?
What is the difference between a soft start and a VFD?
difference
between
soft
start
vfd
thumb_up_alt
0
like
thumb_down_alt
0
dislike
66
views
0
answers
asked
Mar 15, 2018
by
anonymous
What is the difference between an AC and DC generator?
What is the difference between an AC and DC generator?
Last answer:
The generator which generates DC voltage is called DC generator and generator which generates AC voltage is called AC generator (or) Alternator. In DC generator armature is rotated and field winding ... generator. A DC generator can generate low voltages but an AC generator can generate upto 11kv.
difference
between
ac
dc
generator
thumb_up_alt
0
like
thumb_down_alt
0
dislike
282
views
1
answer
asked
Mar 15, 2018
by
anonymous
What is the difference between synchronous and asynchronous generator?
What is the difference between synchronous and asynchronous generator?
difference
between
synchronous
asynchronous
generator
thumb_up_alt
0
like
thumb_down_alt
0
dislike
138
views
0
answers
asked
Mar 15, 2018
by
anonymous
What is the difference between synchronous and asynchronous motors?
What is the difference between synchronous and asynchronous motors?
Last answer:
The motor which rotates at constant speed is called synchronous motor. And that constant speed is called as synchronous speed. And the motor which does not rotates at constant speed are called asynchronous motor. Asynchronous motor is also called as Induction motor.
difference
between
synchronous
asynchronous
motors
thumb_up_alt
0
like
thumb_down_alt
0
dislike
109
views
1
answer
asked
Mar 15, 2018
by
anonymous
What is the difference between eddy current and hysteresis loss?
What is the difference between eddy current and hysteresis loss?
Last answer:
Loss occurred by magnetising and demagnetising process is called histerisis loss and the current flowed due to the magnetic field produced by the electric field applied is called eddy current losses
difference
between
eddy
current
hysteresis
loss
thumb_up_alt
1
like
thumb_down_alt
0
dislike
2.9k
views
1
answer
asked
Mar 14, 2018
by
anonymous
What is the difference between an anode and a cathode?
What is the difference between an anode and a cathode?
Last answer:
The anode is positively charged electrode and the cathode is negatively charged electrode.
difference
between
anode
cathode
thumb_up_alt
0
like
thumb_down_alt
0
dislike
106
views
1
answer
asked
Mar 11, 2018
by
anonymous
What is the difference between an insulator and a dielectric?
What is the difference between an insulator and a dielectric?
Last answer:
Dielectric is the another name for insulator.
difference
between
insulator
dielectric
thumb_up_alt
0
like
thumb_down_alt
0
dislike
91
views
1
answer
asked
Mar 11, 2018
by
anonymous
What is the difference between a sensor and a transducer?
What is the difference between a sensor and a transducer?
Last answer:
https://electronics2electrical.com/19108/
difference
between
sensor
transducer
thumb_up_alt
0
like
thumb_down_alt
0
dislike
491
views
1
answer
asked
Mar 11, 2018
by
anonymous
What is the difference between microcontroller and ARM processor?
What is the difference between microcontroller and ARM processor?
difference
between
microcontroller
arm
processor
thumb_up_alt
0
like
thumb_down_alt
0
dislike
124
views
0
answers
asked
Mar 11, 2018
by
anonymous
What is the difference between a microcontroller and a microprocessor?
What is the difference between a microcontroller and a microprocessor?
Last answer:
Compare microprocessor and microcontroller Microprocessor Microcontroller 1)Inbuilt RAM and ROM 1)Do not have inbuilt RAM or ROM 2)Inbuilt timer 2)Doesn't have inbuilt timer ... same memory 6)Many Multifunction pins on the IC 6)less multifunction Pins on IC.
difference
between
microcontroller
microprocessor
thumb_up_alt
0
like
thumb_down_alt
0
dislike
201
views
1
answer
asked
Mar 10, 2018
by
anonymous
What is the difference between a mesh and a loop?
What is the difference between a mesh and a loop?
difference
between
mesh
loop
thumb_up_alt
0
like
thumb_down_alt
0
dislike
352
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is the difference between an ECU and an ECM?
What is the difference between an ECU and an ECM?
difference
between
ecu
ecm
thumb_up_alt
0
like
thumb_down_alt
0
dislike
56
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is the difference between DFT and FFT?
What is the difference between DFT and FFT?
difference
between
dft
fft
thumb_up_alt
0
like
thumb_down_alt
0
dislike
60
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is the difference between AC and DC drive?
What is the difference between AC and DC drive?
Last answer:
AC means alternating current It's Frequency is 50hz Dc means direct current ItsI Frequency is 0Hz
difference
between
ac
dc
drive
thumb_up_alt
0
like
thumb_down_alt
0
dislike
132
views
1
answer
asked
Mar 10, 2018
by
anonymous
What is difference between computer engineering and computer science?
What is difference between computer engineering and computer science?
difference
between
computer
engineering
science
thumb_up_alt
0
like
thumb_down_alt
0
dislike
49
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is the difference between analog and digital electronics?
What is the difference between analog and digital electronics?
difference
between
analog
digital
electronics
thumb_up_alt
0
like
thumb_down_alt
0
dislike
72
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is the difference between line and phase current?
What is the difference between line and phase current?
Last answer:
The currents flows through phase lines is called line voltage and currents flows from phase to neutral line is called phase current
difference
between
line
phase
current
thumb_up_alt
0
like
thumb_down_alt
0
dislike
90
views
1
answer
asked
Mar 10, 2018
by
anonymous
What is the difference between line and phase voltage?
What is the difference between line and phase voltage?
Last answer:
Line voltage is voltage between two phases R &Y (415 v) while phase voltage is the voltage between one phase and a neutral B & N (240 v).
difference
between
line
phase
voltage
thumb_up_alt
0
like
thumb_down_alt
0
dislike
130
views
1
answer
asked
Mar 10, 2018
by
anonymous
What is the difference between a line voltage and low voltage control system?
What is the difference between a line voltage and low voltage control system?
difference
between
line
voltage
low
control
system
thumb_up_alt
0
like
thumb_down_alt
0
dislike
99
views
0
answers
asked
Feb 20, 2018
by
anonymous
What is the difference between beta and forced beta for BJT?
What is the difference between beta and forced beta for BJT?
difference
between
bjt
beta
forced
thumb_up_alt
0
like
thumb_down_alt
0
dislike
518
views
0
answers
asked
Dec 22, 2017
by
anonymous
What is difference between Star and Delta Connection?
What is difference between Star and Delta Connection?
Last answer:
Star is 1. Open ckt 2. At center point present neutral Delta is 1. Closed ckt 2. Neutral not present in this case
difference
between
star
delta
connection
thumb_up_alt
2
like
thumb_down_alt
0
dislike
127
views
1
answer
asked
Dec 19, 2017
by
anonymous
What is the difference between a counter and a timer?
What is the difference between a counter and a timer?
Last answer:
Counter counts only when the trigger is applied and timer counts continuously with some equal delay.
difference
between
counter
timer
thumb_up_alt
1
like
thumb_down_alt
0
dislike
334
views
1
answer
asked
Dec 18, 2017
by
anonymous
What is the difference between renewable and nonrenewable energy sources?
What is the difference between renewable and nonrenewable energy sources?
Last answer:
Renewable energy sources are non-perishable, and Non-renewable energy sources are perishable sources. Non-Renewable energy sources are like coal, oil,nuclear fuel etc. Renewable energy sources are :- wind, solar, tidal, Geo thermal etc.
difference
between
renewable
nonrenewable
energy
sources
thumb_up_alt
3
like
thumb_down_alt
0
dislike
290
views
2
answers
asked
Dec 17, 2017
by
anonymous
What is the difference between a switch and a relay?
What is the difference between a switch and a relay?
Last answer:
Switch is simply a mechanical contact mechanism and relay is a electromagnetic switch . Switch can be direct mechanically turn on and off but relay can be operated by energising coil .
difference
between
switch
relay
thumb_up_alt
0
like
thumb_down_alt
0
dislike
87
views
1
answer
asked
Dec 16, 2017
by
anonymous
What is the difference between a coil and an inductor?
What is the difference between a coil and an inductor?
Last answer:
Inductor is covering with insulating material is called coil.so they differentiate between coil and inductor.
difference
between
coil
inductor
thumb_up_alt
0
like
thumb_down_alt
0
dislike
93
views
1
answer
asked
Dec 9, 2017
by
anonymous
What is the difference between forward and reverse bias?
What is the difference between forward and reverse bias?
Last answer:
Forward bias is a PN junction bias which allows current to flow through the junction. Forward bias decreases the resistance of the depletion layer. Reverse bias is a PN junction bias that allows only ... Positive polarity on the n-type material and negative polarity to the p-type material.
difference
between
forward
reverse
bias
thumb_up_alt
4
like
thumb_down_alt
0
dislike
243
views
3
answers
asked
May 3, 2020
by
anonymous
State the difference between energy conservation and energy audit.
State the difference between energy conservation and energy audit.
Last answer:
energy conservation Energy audit It is reducing the growth of energy consumption by avoiding unnecessary usage of energy It is an inspection, survey & analysis of energy flows ... Various measuring instruments, with proper sensing elements are required for the energy audit.
state
the
difference
between
energy
conservation
and
audit
thumb_up_alt
0
like
thumb_down_alt
0
dislike
68
views
1
answer
asked
Jan 21, 2020
by
Sampson
What's the difference between electronic and electrical
whats
the
difference
between
electronic
and
electrical
e
thumb_up_alt
0
like
thumb_down_alt
0
dislike
74
views
0
answers
asked
Jun 29, 2019
by
anonymous
Describe the difference between direct and alternating current.
Describe the difference between direct and alternating current.
Last answer:
Direct current is the flow of electricity or charge in one direction.. Alternative current is the flow of charge that doesn't flow in one direction.
ac
dc
difference
between
direct
alternating
current
thumb_up_alt
0
like
thumb_down_alt
0
dislike
5.0k
views
4
answers
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
thumb_up_alt
0
like
thumb_down_alt
0
dislike
7.6k
views
3
answers
asked
Mar 21, 2018
by
anonymous
In a single phase power factor meter the phase difference between the currents in the two pressure coils is?
Last answer:
In a single phase power factor meter the phase difference between the currents in the two pressure coils is exactly 90°.
single
phase
power
factor
meter
difference
between
currents
thumb_up_alt
0
like
thumb_down_alt
0
dislike
158
views
1
answer
asked
Sep 5, 2018
by
anonymous
Write difference between absolute & secondary instrument.
Write difference between absolute & secondary instrument.
Last answer:
Absolute Instrument Secondary Instrument 1. These give magnitude of quantity in terms physical constants of instruments 1. These give reading directly of the quantity at the time of ... Raleigh current balance. 6. Examples - ammeter, voltmeter, amperehour meter, wattmeter etc.
difference
between
absolute
secondary
instrument
thumb_up_alt
0
like
thumb_down_alt
0
dislike
5.0k
views
1
answer
asked
Mar 19, 2018
by
anonymous
A differential relay measures the vector difference between?
Last answer:
A differential relay measures the vector difference between two or more similar electrical quantities.
differential
relay
measures
vector
difference
between
thumb_up_alt
0
like
thumb_down_alt
0
dislike
117
views
1
answer
asked
Jan 11, 2018
by
lagougg
what is the different between AC and DC current ?
what is the difference between AC and DC current ?
Last answer:
AC is generated using Alternator. DC is generated using DC generator. AC changes its direction periodically. DC do not change its direction periodically. AC have non zero frequency. DC have zero ... Power factor of AC is between 0 and 1. But power factor of DC is always 1.
difference
between
thumb_up_alt
0
like
thumb_down_alt
0
dislike
135
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 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
Aug 8, 2018
by
anonymous
Distinguish between AC and DC.
Distinguish between AC and DC.
Last answer:
Particulars Direct Current Alternating Current Definition It is the current whose magnitude and direction do not change with respect to time. It is the current whose ... system, electroplating, Battery charging, Traction. AC machines, Domestic and industrial supply.
difference
between
ac
dc
thumb_up_alt
0
like
thumb_down_alt
0
dislike
414
views
2
answers
asked
Mar 25, 2018
by
anonymous
In an AC. circuit, a low value of kVAR compared with kW indicates?
In an AC. circuit, a low value of kVAR compared with kW indicates?
Last answer:
In an AC. circuit, a low value of kVAR compared with kW indicates high power factor.
ac
circuit
low
value
kvar
compared
kw
thumb_up_alt
0
like
thumb_down_alt
0
dislike
341
views
1
answer
asked
Feb 20, 2018
by
Steben
What is the difference between watt volt and ampere?
Last answer:
Difference between watt and volt and ampere is as follows: Watt Volt Ampere Watt is the unit of power. Volt is the unit of voltage. Ampere is the unit of current. Watts= Volts x Amperes Volts= Watts/ ...
difference
thumb_up_alt
0
like
thumb_down_alt
0
dislike
105
views
1
answer
asked
Oct 3, 2017
by
anonymous
what is the difference between capacitor and battery ?
what is the difference between capacitor and battery ?
Last answer:
A capacitor stores power but in very small quantitys and work in D/C and A/C circuits and it needs a power source from wich it gets the power it stores and a battery also stores power but in much larger quantitys measured in Amp/Hours
capacitor
battery
difference
thumb_up_alt
3
like
thumb_down_alt
0
dislike
87
views
2
answers
asked
May 8, 2018
by
anonymous
A 40 kVA transformer has a core loss of 400 W and a full load copper loss of 800 W. The
A 40 kVA transformer has a core loss of 400 W and a full load copper loss of 800 W. The proportion of full load at maximum efficiency is
Last answer:
A 40 kVA transformer has a core loss of 400 W and a full load copper loss of 800 W. The proportion of full load at maximum efficiency is 0.707
kva
transformer
core
loss
full
load
copper
thumb_up_alt
0
like
thumb_down_alt
0
dislike
406
views
1
answer
asked
May 8, 2018
by
anonymous
The kVA rating of Three-phase transformer with Voltage = 200V and Current = 100A will be :
The kVA rating of Three-phase transformer with Voltage = 200V and Current = 100A will be : (A) 34.64 kVA (B) 75 kVA (C) 20 kVA (D) None of the above
Last answer:
The kVA rating of Three-phase transformer with Voltage = 200V and Current = 100A will be : 34.64 kVA
kva
rating
three-phase
transformer
voltage
thumb_up_alt
0
like
thumb_down_alt
1
dislike
130
views
1
answer
asked
Feb 18, 2018
by
anonymous
Give the circuit analysis of current source inverter with resistive load.
Give the circuit analysis of current source inverter with resistive load. What are the main difference between voltage source inverter and current source inverter?
Last answer:
Current source inverter (CSI): In current source inverter, the output current is independent of load. The input current of current source inverter is constant. Current source converter converts DC input current to ... are connected in parallel. In CSI diodes are connected in series.
difference
between
vsi
csi
current
source
inverter
analysis
resistive
load
thumb_up_alt
0
like
thumb_down_alt
0
dislike
328
views
1
answer
asked
Aug 12, 2018
by
anonymous
Why Transformer rating is given in kVA?
Why Transformer rating is given in kVA?
Last answer:
1) The output of transformer is limited by heating due to the losses. Two types of losses in the transformer (i) Iron loss, (ii) Copper loss. 2) Iron loss depends on the transformer voltage (V). ... by load power factor. - Hence the transformer output is expressed in VA or kVA and not in kW.
transformer
rating
kva
thumb_up_alt
1
like
thumb_down_alt
0
dislike
2.7k
views
4
answers
Install Now
...