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Explain space vector transformation and space vector switching with the help of diagram.
asked
Mar 10, 2018
by
anonymous
Explain space vector transformation and space vector switching with the help of diagram. What are the advantages of SVM?
space
vector
transformation
switching
diagram
advantages
svm
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asked
Aug 4, 2019
by
anonymous
Explain space diagram & vector diagram
Explain space diagram & vector diagram
Last answer:
Space diagram: It is the diagram in which number of forces acting on body is drawn in space to a suitable scale and naming the spaces in order by Bow's notation. Vector diagram: It is the ... of the forces drawn in space diagram by maintaining the same order as it was maintained in space diagram.
space
diagram
vector
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36
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1
answer
asked
Mar 11, 2018
by
anonymous
Explain series switching control of AC load.
Explain series switching control of AC load. Single phase resistance load - Integral half cycle control Phase control - Resistance load
series
switching
control
ac
load
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answers
asked
Mar 10, 2018
by
anonymous
Explain switching model of MOSFET.
Explain switching model of MOSFET.
switching
model
mosfet
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answers
asked
Sep 7, 2018
by
anonymous
Explain the concept of initial and final conditions in switching for L and C.
Explain the concept of initial and final conditions in switching for L and C.
Last answer:
i) Inductor: The current through an inductor cannot change instantly. If the inductor current is zero just before switching, then whatever may be the applied voltage, just after switching the inductor ... open-circuit. The initial and final conditions are summarized in following table:
initial
final
conditions
switching
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asked
Jun 18, 2018
by
anonymous
Calculate the size of memory address space for a 16 bit data and 20 bit address bus.
Calculate the size of memory address space for a 16 bit data and 20 bit address bus. A) 1 MB B) 2 MB C) 3 MB D) 4 MB
Last answer:
Calculate the size of memory address space for a 16 bit data and 20 bit address bus. A) 1 MB B) 2 MB C) 3 MB D) 4 MB
size
memory
address
space
data
bit
bus
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120
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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
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117
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1
answer
asked
Mar 21, 2020
by
anonymous
Source transformation Replace the circuit with voltage source in series with a single resistor
Last answer:
Source transformation Replace the circuit with voltage source in series with a single resistor
source
transformation
replace
the
circuit
with
voltage
in
series
a
single
resistor
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answer
asked
Oct 13, 2019
by
anonymous
Explain working of AC circuit breaker using SCR with circuit diagram.
Explain working of AC circuit breaker using SCR with circuit diagram.
Last answer:
AC Circuit Breaker: The circuit configuration of static AC circuit breaker using SCR is shown in the figure. When switch S' is closed, the SCRs T1 and T2 are fired in positive ... to non-availability of gate current. Thus the maximum time delay for breaking the circuit is one half-cycle.
working
ac
circuit
breaker
scr
diagram
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answer
asked
May 3, 2020
by
anonymous
Describe the working principle of Thyristor operated dimmer with the help of circuit diagram.
Describe the working principle of Thyristor operated dimmer with the help of circuit diagram.
Last answer:
Thyristor operated dimmer: A popular thyristor operated dimmer circuit employ TRIAC-DIAC phase control for low AC power control. During each half-cycle, the capacitor charges through (R1+VR1). When the ... time constant {C (R1+VR1)}. Thus by reducing VR1 the lamp brightness can be increased.
describe
the
working
principle
of
thyristor
operated
dimmer
with
help
circuit
diagram
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1
answer
asked
May 21, 2020
by
anonymous
Draw the circuit diagram of battery charger using SCR and explain it’s working.
Draw the circuit diagram of battery charger using SCR and explain it’s working.
Last answer:
Battery charger circuit using SCR: The figure shows the battery charger circuit using SCR. A 12V discharged battery is connected in the circuit and switch SW is closed. The singlephase 230V ... not fired. In this way, after full charging, further charging is automatically stopped.
circuit
diagram
battery
charger
scr
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205
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1
answer
asked
Mar 21, 2020
by
anonymous
Source transformation voltage source to current source and vice versa
Last answer:
Source transformation voltage source to current source and vice versa
source
transformation
voltage
to
current
and
vice
versa
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1
answer
asked
Mar 19, 2018
by
anonymous
Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is?
Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is?
Last answer:
Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is approximately equal to 1.
auto-transformer
effective
saving
copper
losses
transformation
ratio
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78
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1
answer
asked
Mar 25, 2018
by
anonymous
Switching of a lamp in house produces noise in the radio. This is because switching operation produces?
Switching of a lamp in house produces noise in the radio. This is because switching operation produces?
Last answer:
Switching of a lamp in house produces noise in the radio. This is because switching operation produces arcs across separating contacts.
switching
lamp
house
produces
noise
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146
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1
answer
asked
Mar 10, 2018
by
anonymous
What is a switching impulse?
What is a switching impulse?
switching
impulse
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0
answers
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
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57
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1
answer
asked
Mar 19, 2018
by
anonymous
The voltage transformation ratio of a transformer is equal to the ratio of?
The voltage transformation ratio of a transformer is equal to the ratio of?
Last answer:
The voltage transformation ratio of a transformer is equal to the ratio of secondary induced e.m.f. to primary induced e.m.f.
voltage
transformation
ratio
transformer
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95
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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
asked
Aug 12, 2018
by
anonymous
Define: 1) voltage ratio, 2) current ratio, 3) transformation ratio of transformer.
Define: 1) voltage ratio, 2) current ratio, 3) transformation ratio of transformer.
Last answer:
1) Voltage ratio: The voltages in primary and secondary winding is proportional to number of turns in primary and secondary respectively. So, the voltage ratio is same as transformation ratio. V2/V1 = N2 ... as transformation ratio of transformer. It is denoted by K. K = N2/N1
voltage
ratio
current
transformation
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1
answer
asked
Mar 21, 2020
by
anonymous
Find the current through 4 ohm resistor by source transformation
Last answer:
Find the current through 4 ohm resistor by source transformation
find
the
current
through
4
ohm
resistor
by
source
transformation
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65
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1
answer
asked
Mar 21, 2020
by
anonymous
Source transformation problem solution
Last answer:
Source transformation problem solution
source
transformation
problem
solution
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63
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1
answer
asked
May 21, 2019
by
anonymous
Wye Delta Transformation problems
Wye Delta Transformation
Last answer:
Wye Delta Transformation 1 : https://youtu.be/mPKeczDWZCo Wye Delta Transformation 2 : https://youtu.be/k80VbHI-wwg Wye Delta Transformation 3 : https://youtu.be/6cnwj15uw5M Wye Delta Transformation ... 8 : https://youtu.be/knRb5UW1404 Wye Delta Transformation 9 : https://youtu.be/JBwHKBJ08WM
wye
delta
transformation
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114
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1
answer
asked
Aug 12, 2018
by
anonymous
What is transformation ratio?
What is transformation ratio?
Last answer:
Transformation Ratio (k):- It is the ratio of secondary number of turns to primary number of turns. OR It is the ratio of secondary voltage to primary voltage. OR It is the ratio of primary current to secondary current.
transformation
ratio
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131
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2
answers
asked
May 7, 2020
by
anonymous
Explain MCB and ELCB with connection diagram supplying single phase load.
Explain MCB and ELCB with connection diagram supplying single phase load.
Last answer:
OR OR Explanation: * MCB provides short circuit protection. * MCB provides overload protection * ELCB provides earth fault protection. * MCB is in series with ... occurs, the ELCB cuts off the power within the time of 0.1 sec. automatically to protect the personnel.
explain
mcb
and
elcb
with
connection
diagram
supplying
single
phase
load
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195
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1
answer
asked
Apr 27, 2020
by
anonymous
Explain dynamic and static induced emf with neat diagram.
Explain dynamic and static induced emf with neat diagram.
Last answer:
Dynamically Induced EMF:- In this case, either coil moves or magnet moves, so that there is relative motion between coil & magnetic field. Thus magnetic field is cut by coil & emf is induced in it. The emf ... The expression for induced EMF is e= -L(di/dt) or = -N(dϕ/dt).
explain
dynamic
and
static
induced
emf
with
neat
diagram
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1
answer
asked
Apr 27, 2020
by
anonymous
Explain with neat diagram series and parallel magnetic circuits.
Explain with neat diagram series and parallel magnetic circuits.
Last answer:
Series magnetic circuit: When different magnetic materials having different lengths, cross sectional areas and permeability are connected one after another, in which same flux is established in different sections, then it is called series ... flux, Φ = Φ1 + Φ2 Path 1: BAFE Path 2: BACD
diagram
series
parallel
magnetic
circuits
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61
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1
answer
asked
May 3, 2020
by
anonymous
Explain the working of Neon sign tube with diagram.
Explain the working of Neon sign tube with diagram.
Last answer:
Neon sign tube: The construction & circuit diagram for neon tube is as shown in fig. Basically neon tube is used for advertisement or decoration purpose. The maximum length of tube is ... the HT transformer must be earthed separately. * Caution notice of danger board is required.
explain
the
working
of
neon
sign
tube
with
diagram
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141
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1
answer
asked
May 3, 2020
by
anonymous
Explain the working of HPMV Lamp with neat diagram.
Explain the working of HPMV Lamp with neat diagram.
Last answer:
High-pressure Mercury-Vapour Lamp (HPMVL): Working: * Whenever 1-ph, 230V, AC Supply is provided to the discharge tube of MVL, initially the current flows from Phase to the choke to ... : The function of power factor improvement capacitor is to improve the power factor from 0.5 to 0.95.
explain
the
working
of
hpmv
lamp
with
neat
diagram
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166
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1
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asked
Aug 3, 2019
by
anonymous
Explain with neat diagram the working of photo-voltaic cell.
Explain with neat diagram the working of photo-voltaic cell.
Last answer:
Diagram the working of photo-voltaic cell: Working:- Solar cell operates on principle of Photo-voltaic effect Solar cell works in following steps: The solar cell is composed ... . When you connect loads such as a light bulb, electric current flows between the two electrodes.
diagram
working
photo-voltaic
cell
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135
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1
answer
asked
Mar 2, 2018
by
anonymous
Explain the basic operation of an oscilloscope with necessary diagram for each section in detail.
Explain the basic operation of an oscilloscope with necessary diagram for each section in detail.
basic
operation
oscilloscope
diagram
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109
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0
answers
asked
Sep 8, 2018
by
anonymous
Explain with schematic diagram direct distribution of solar energy.
Explain with schematic diagram direct distribution of solar energy.
Last answer:
Explain with schematic diagram direct distribution of solar energy: Solar energy reaching earth's surface consists of two components: i) Direct solar energy, ii) Diffused solar energy. Direct solar energy ... radiation. It is very intense radiation and it can produce sun burns and shadows.
schematic
diagram
direct
distribution
solar
energy
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85
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1
answer
asked
Sep 5, 2018
by
anonymous
Explain construction & working of attraction type M.I. instrument with neat diagram.
Explain construction & working of attraction type M.I. instrument with neat diagram.
Last answer:
1. Moving element: a small piece of soft iron in the form of a vane or rod. 2. In Attracted type a cylindrical coil or solenoid which is kept fixed. An oval-shaped soft-iron piece are ... 9. When = the pointer will be stable & we can get correct reading of the electrical quantity
construction
working
attraction
type
mi
instrument
diagram
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3.0k
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2
answers
asked
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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68
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0
answers
asked
Feb 11, 2018
by
anonymous
What are the disadvantages of linear regulator ?
What are the disadvantages of the linear regulator? how are they overcome in the switching regulator? What is continuous and discontinuous mode switching regulator?
Last answer:
Disadvantages of the linear regulator: Linear regulator waste power in the form of heat. Linear regulator has very low efficiency. Linear regulator cannot be used for the step ... between continuous mode and discontinuous mode switching regulator.
disadvantages
linear
regulator
switching
mode
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83
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1
answer
asked
May 6, 2020
by
anonymous
Explain count up (CTU) instruction with timing diagram.
Explain count up (CTU) instruction with timing diagram.
Last answer:
The CTU is an instruction that counts false-to-true rung transitions. Rung transitions can be caused by events occurring in the program. When rung conditions for a CTU instruction have made a false-to-true ... of Counter up(CTU) Instruction: Too many uploads - please try again in an hour
explain
count
up
ctu
instruction
with
timing
diagram
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66
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1
answer
asked
May 2, 2020
by
anonymous
What is PLL? Explain its operation with a block diagram.
What is PLL? Explain its operation with a block diagram.
Last answer:
PLL - A phase-locked loop or phase lock loop is a control system that generates an output signal whose phase is related to the phase of an input signal Block diagram ... to the input frequency. The phase - locked loop goes through three states free running capture and phase lock.
what
is
pll
explain
its
operation
with
a
block
diagram
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79
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1
answer
asked
Sep 8, 2018
by
anonymous
Explain with block diagram photovoltaic power generation.
Explain with block diagram photovoltaic power generation.
Last answer:
Photovoltaic power generation: Photovoltaic power generating system consists of following components: 1. Photovoltaic cell panel: Its function is to convert energy content of sunrays directly into DC ... . Step-up transformer: It step-up input voltage to utilization voltage e.g. 230V.
block
diagram
photovoltaic
power
generation
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3.2k
views
1
answer
asked
Sep 8, 2018
by
anonymous
Explain with diagram load duration curve.
Explain with diagram load duration curve.
Last answer:
It is drawn from load curve. It is graph of load (MW/KW) arranged in descending order of magnitude with respect to time.
diagram
load
duration
curve
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91
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2
answers
asked
Sep 5, 2018
by
anonymous
Explain spring control method with neat diagram.
Explain spring control method with neat diagram.
Last answer:
Spring Control Method: As shown in the figure the inner ends of the both springs are attahced to the spindle ,while outer end of upper spring is attached to the lever and outer end of ... the springs are twisted in opposite direction to the motion of pointer and produce controlling torque.
spring
control
method
diagram
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246
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1
answer
asked
Jun 28, 2020
by
anonymous
Draw the labeled block diagram of process control system and explain each block.
Draw the labeled block diagram of process control system and explain each block.
Last answer:
Explanation - Process control system consists of process or plant, sensor, error detector, automatic Controller, actuator or control element. 1) Process or plant- process means some manufacturing sequence ... process which changes the process variable. Output of this block is denoted by u .
block
diagram
process
control
system
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124
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1
answer
asked
May 2, 2020
by
anonymous
Draw the block diagram of regulated power supply, explain function of each block and draw waveforms of each stage.
Draw the block diagram of regulated power supply, explain function of each block and draw waveforms of each stage.
Last answer:
1. A step down transformer 2. A rectifier 3. A filter 4. A regulator Operation of Regulated Power Supply:- Step Down Transformer:- A step down transformer will ... regulator. A regulator will maintain the output constant even when changes at the input or any other changes occur.
draw
the
block
diagram
of
regulated
power
supply
explain
function
each
and
waveforms
stage
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475
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3
answers
asked
Aug 8, 2019
by
anonymous
Draw the block diagram of satellite sub-system and explain power subsystem.
Draw the block diagram of satellite sub-system and explain power subsystem.
Last answer:
POWER SUBSYSTEM- This system provides the necessary DC power to the satellite. All communication satellites derive their electrical power from solar cells. There is also a battery backup facility used during ... . to d.c. converter is used to raise the level of low voltages to high voltage.
block
diagram
satellite
sub-system
power
subsystem
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2.9k
views
1
answer
asked
Jul 30, 2019
by
anonymous
Draw the wiring diagram of fluorescent tube. Explain the working of choke and starter.
Draw the wiring diagram of fluorescent tube. Explain the working of choke and starter.
Last answer:
Fluorescent lamp:- Operation:- When switch is ON current flows through the choke-filament no1- starter-filament no. 2- to neutral, At that time choke induces high voltage which is applied to ... at the time of starting. ii) Starter: To make and break the circuit to start the tube.
wiring
diagram
fluorescent
tube
choke
starter
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2.5k
views
1
answer
asked
Sep 5, 2018
by
anonymous
Draw the circuit diagram of crystal oscillator and explain its working.
Draw the circuit diagram of crystal oscillator and explain its working.
Last answer:
To excite a crystal for operation in the series-resonant mode it may be connected as a series element in a feedback path, the crystal impedance is the smallest and the amount of positive feedback is the largest. ... which is good. The resonant frequency is given as Fo = 1/( 2 π √LC )
circuit
diagram
crystal
oscillator
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166
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1
answer
asked
Aug 8, 2017
by
anonymous
what is gate turn off thyristor (GTO)?
Draw the structural diagram of GTO. Explain briefly the switching behavior of GTO with the help of appropriate voltage and current waveform.
Last answer:
Gate Turn Off Thyristor (GTO) Conventional Thyristor can be turned on with gate terminal but can not turn off from gate terminal. But in case of Gate Turn Off Thyristor (GTO), we can turn it on and off ... subdivided as storage period (Ts), fall period (Tp) and tail period (Tt).
gto
gate
turn
off
thyristor
voltage
current
waveform
switching
characteristics
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1.6k
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1
answer
asked
Sep 4, 2018
by
anonymous
Describe the concept of leakage flux, useful flux and fringing with neat diagram.
Describe the concept of leakage flux, useful flux and fringing with neat diagram.
Last answer:
Leakage Flux
leakage
flux
useful
fringing
diagram
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757
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2
answers
asked
May 21, 2020
by
anonymous
Draw circuit diagram of symmetrical configuration of bridge converter.
Draw circuit diagram of symmetrical configuration of bridge converter.
Last answer:
circuit diagram of symmetrical configuration of bridge converter
circuit
diagram
symmetrical
bridge
converter
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41
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1
answer
asked
May 21, 2020
by
anonymous
Draw circuit diagram of Class B commutation.
Draw circuit diagram of Class B commutation.
Last answer:
Class B: Resonant Pulse Commutation:
circuit
diagram
class
b
commutation
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40
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1
answer
asked
Aug 10, 2019
by
anonymous
Draw block diagram for CNC drilling machine and explain its working.
Draw block diagram for CNC drilling machine and explain its working.
Last answer:
Block diagram consist of the following points: Machine tool with DC servo motor as feedback element. The transducer is added as adaptive control application. The auxiliary controller ... line. The interrupt pulses are generated by TBG and supplied to computer through inter
block
diagram
cnc
drilling
machine
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274
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1
answer
asked
Sep 5, 2018
by
anonymous
Draw and explain Hartley Oscillator circuit diagram.
Draw and explain Hartley Oscillator circuit diagram.
Last answer:
Function of each component: 1. An NPN transistor connected in a common emitter configuration works as the active device in amplifier stage and CE configuration provides 180°phase shift. 2. R1 and R2 ... circuit to the base-emitter circuit. The frequency of oscillation is given as-
hartley
oscillator
circuit
diagram
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130
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1
answer
asked
May 2, 2020
by
anonymous
Draw block diagram of PLL as a FM demodulator. Explain function of each block.
Draw block diagram of PLL as a FM demodulator. Explain function of each block.
Last answer:
Operation: The FM signal which is to be demodulated is applied at the input of the PLL. the PLL is locked to the FM The error voltage produced at ... using PLL ensures a high Linearity, between the instantaneous input frequency and VCO control voltage (error amplifier output)
draw
block
diagram
of
pll
as
a
fm
demodulator
explain
function
each
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1
answer
Install Now
...