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What is sag in power system?
asked
Mar 10, 2018
by
anonymous
What is sag in power system?
sag
power
system
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2
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answered
Jul 10, 2018
by
Jagadish
Sag is defined as the different in level between the point of suppor and the lowest point of the conductor.
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answered
Jul 16, 2018
by
Nirosha
Sag is a catenary curve in between two points of supporters.and also we can say the lowest point of the conductor in between the two points of supporters.
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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
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system
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Mar 10, 2018
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anonymous
What is microgrid in power system?
What is microgrid in power system?
microgrid
power
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Mar 10, 2018
by
anonymous
What is power system planning?
What is power system planning?
power
system
planning
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71
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Mar 10, 2018
by
anonymous
What are interconnected power system?
What are interconnected power system?
Last answer:
Interconnected power systems are those which connect different geographic regions. In Australia we have a National Electricity Grid which connects 6 states. Transfers of power occur between the states depending ... make more profit from this.National-Electricity-Market-Fact-Sheet.pdf (0,9 MB)
interconnected
power
system
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3
answers
asked
Mar 10, 2018
by
anonymous
What are the components of a power system?
What are the components of a power system?
Last answer:
generator Traansformer Conductors Insulators
components
power
system
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asked
Mar 11, 2018
by
anonymous
What is vertical sag?
What is vertical sag?
vertical
sag
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asked
May 8, 2018
by
anonymous
The sag of a transmission line is least affected by
The sag of a transmission line is least affected by (A) Self weight of the conductor. (B) Temperature of the surrounding air. (C) Current through the conductor. (D) Ice deposited on the conductor.
Last answer:
The sag of a transmission line is least affected by Current through the conductor.
sag
transmission
line
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answer
asked
May 8, 2018
by
anonymous
For a 66 kV line having span of 200 meters between towers the approximate sag will be 2 m. If the span is
For a 66 kV line having span of 200 meters between towers the approximate sag will be 2 m. If the span is double the sag will be: (A) 1 m (B) 2 m (C) 4m (D) 8m
Last answer:
For a 66 kV line having span of 200 meters between towers the approximate sag will be 2 m. If the span is double the sag will be: 8m
towers
approximate
sag
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asked
Sep 7, 2018
by
anonymous
What is the choice of size and number of generator units in interconnected power system?
What is the choice of size and number of generator units in interconnected power system?
Last answer:
Choice of Size and Number of Generating Units: 1. The size/rating and number of generating units in such way that they approximately match with the load curve as closely as possible. 2. In ... , if power plant is connected to grid system then generating unit of higher capacity can be installed.
size
number
generator
units
interconnected
power
system
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answer
asked
Apr 30, 2018
by
anonymous
Generally in a power system network, the load is represented as a :
Generally in a power system network, the load is represented as a : (A) Constant power in both load flow study and in stability study (B) Constant power in load flow study and constant impedance in stability study (C) Constant power in stability study and constant impedance in load flow study (D) Constant impedance in both load flow study and in stability study
Last answer:
Generally in a power system network, the load is represented as a : Constant power in load flow study and constant impedance in stability study
power
system
network
load
represented
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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
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asked
Apr 28, 2018
by
anonymous
The benefit of power factor correction in a power system is
The benefit of power factor correction in a power system is (A) lower power consumption (B) increased demand charge (C) reduced load carrying capabilities in existing lines (D) reduced voltage profile
Last answer:
The benefit of power factor correction in a power system is lower power consumption
benefit
power
factor
correction
system
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1
answer
asked
Mar 20, 2018
by
anonymous
The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to?
Last answer:
The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to extinguish the arc.
contacts
high
voltage
switches
power
system
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asked
Sep 8, 2018
by
anonymous
Explain starting system in diesel electric power plant.
Explain starting system in diesel electric power plant.
Last answer:
Starting system in Diesel Electric Power Plant: It includes Storage battery, compressed air tanks, self-starter etc. The purpose of engine starting system is to rotate the engine initially while ... as Ammeters, Voltmeters, Wattmeters, Thermometers, Pressure gauges, Visible and audible alarm etc.
starting
system
diesel
electric
power
plant
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1
answer
asked
Sep 8, 2018
by
anonymous
Explain fuel system and air intake system in diesel electric power plant.
Explain fuel system and air intake system in diesel electric power plant.
Last answer:
Fuel system and air intake system in diesel electric power plant : Fuel system: It consists of storage tank, strainers, fuel transfer pump and all day fuel tank. The fuel oil is supplied ... Filters are provided to remove dust particles from air which may act as abrasive in the engine cylinder.
fuel
system
air
intake
diesel
electric
power
plant
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asked
Apr 29, 2018
by
anonymous
A lightening arrester connected between the line and earth in a power system protects the terminal equipment
A lightening arrester connected between the line and earth in a power system (1) protects the terminal equipment against travelling surges (2) protects the transmission line against direct lightening strokes (3) suppresses high frequency oscillations in the line (4) reflects back the travelling wave approaching it
Last answer:
A lightening arrester connected between the line and earth in a power system protects the terminal equipment against travelling surges
lightening
arrester
line
earth
power
system
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1
answer
asked
Mar 21, 2018
by
anonymous
Commonly used instruments in power system measurement are?
Last answer:
Commonly used instruments in power system measurement are induction.
commonly
used
instruments
power
system
measurement
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1
answer
asked
Mar 20, 2018
by
anonymous
In a distribution system, in order to improve power factor, the synchronous capacitors are installed?
Last answer:
In a distribution system, in order to improve power factor, the synchronous capacitors are installed at the receiving end.
distribution
system
improve
power
factor
synchronous
capacitors
installed
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1
answer
asked
Mar 20, 2018
by
anonymous
Air blast circuit breakers for 400 kV power system are designed to operate in?
Last answer:
Air blast circuit breakers for 400 kV power system are designed to operate in 50 millisecond.
air
blast
circuit
breakers
power
system
designed
operate
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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 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
Apr 27, 2018
by
anonymous
For a 15-bus power system with 3 voltage controlled buses, the size of Jacobian matrix is
For a 15-bus power system with 3 voltage controlled buses, the size of Jacobian matrix is
Last answer:
For a 15-bus power system with 3 voltage controlled buses, the size of Jacobian matrix is 25 x 25
power
system
voltage
controlled
buses
size
jacobian
matrix
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asked
Mar 25, 2018
by
anonymous
Power factor of the system is kept high?
Power factor of the system is kept high?
Last answer:
Power factor of the system is kept high to reduce line losses, to maximise the utilization of the capacities of generators, lines and transformers, to reduce voltage regulation of the line.
power
factor
system
high
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1
answer
asked
Mar 20, 2018
by
anonymous
The primary reason for low power factor is supply system is due to installation of?
Last answer:
The primary reason for low power factor is supply system is due to installation of induction motors.
primary
reason
low
power
factor
supply
system
installation
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asked
Nov 6, 2018
by
Power system
What is power serving in e-motors
power
system
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asked
May 6, 2020
by
anonymous
Summerise the role of power system engineer.
Summerise the role of power system engineer.
Last answer:
Role of power system engineer: i. On the planning side he or she has to make decisions on how much electricity to generate ii. For operation of the power system he has to plan for ... for energy conservation and load management. viii. For solving the power system problems he has to update with
role
power
system
engineer
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1
answer
asked
Sep 8, 2018
by
anonymous
State the functions of fuel system and exhaust system of a diesel power station.
State the functions of fuel system and exhaust system of a diesel power station.
Last answer:
Fuel system: It supplies fuel to engine for combustion purpose. It consists of Fuel Pump: - It supplies fuel to engine for combustion purpose. Strainer: - Are provided to remove suspended impurities and ... most of the noise. Chimney:- To exhaust gases in the atmosphere as high as possible.
functions
fuel
system
exhaust
diesel
power
station
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1
answer
asked
Apr 28, 2018
by
anonymous
If non-linear loads are connected to the power system, then
If non-linear loads are connected to the power system, then (A) displacement power factor is same as the total power factor (B) displacement power factor is not equal to the total power factor (C) displacement power factor is due to harmonic currents (D) total power factor is due to fundamental component of current
Last answer:
If non-linear loads are connected to the power system, then displacement power factor is not equal to the total power factor
non-linear
loads
connected
power
system
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1
answer
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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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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1
answer
asked
Mar 11, 2018
by
anonymous
Explain power system analysis.
Explain power system analysis.
power
system
analysis
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55
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0
answers
asked
Mar 10, 2018
by
anonymous
What is the definition of an electrical system?
What is the definition of an electrical system?
definition
electrical
system
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51
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asked
Mar 10, 2018
by
anonymous
What are the advantages of an interconnected system?
What are the advantages of an interconnected system?
advantages
interconnected
system
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65
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0
answers
asked
Mar 10, 2018
by
anonymous
How many volts are in the power lines?
How many volts are in the power lines?
volts
power
lines
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asked
Mar 10, 2018
by
anonymous
How does electricity get from the power plant to your home?
How does electricity get from the power plant to your home?
Last answer:
Electricity gets into my home due to potential diffrence created between the live wire and neutral wire.
electricity
power
plant
home
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92
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1
answer
asked
Jun 18, 2018
by
anonymous
The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse
The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse width of the INTR signal so that it is recognized successfully? A) 5.6 µs B) 5.7 µs C) 5.8 µs D) 5.9 µs
Last answer:
The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse width of the INTR signal so that it is recognized successfully? A) 5.6 µs B) 5.7 µs C) 5.8 µs D) 5.9 µs
clock
frequency
8085
microprocessor
system
minimum
pulse
width
intr
signal
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521
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1
answer
asked
Jun 18, 2018
by
anonymous
What will happen to the gain margin if the gain of the open loop system is doubled?
What will happen to the gain margin if the gain of the open loop system is doubled? A) Doubled B) Becomes half C) Is not affected D) Becomes one-fourth
Last answer:
What will happen to the gain margin if the gain of the open loop system is doubled? A) Doubled B) Becomes half C) Is not affected D) Becomes one-fourth
gain
margin
open
loop
system
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145
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1
answer
asked
Jun 18, 2018
by
anonymous
What is the time response of a system whose poles lie on the right hand side of s-plane?
What is the time response of a system whose poles lie on the right hand side of s-plane? A) Exponentially increasing B) Exponentially decreasing C) Sinusoidal oscillations D) Step response
Last answer:
What is the time response of a system whose poles lie on the right hand side of s-plane? A) Exponentially increasing B) Exponentially decreasing C) Sinusoidal oscillations D) Step response
time
response
system
poles
right
hand
side
s-plane
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71
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1
answer
asked
Mar 11, 2018
by
anonymous
What is the traction system?
What is the traction system?
traction
system
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97
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0
answers
asked
Mar 11, 2018
by
anonymous
What is stable and unstable system?
What is stable and unstable system?
stable
unstable
system
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57
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0
answers
asked
Mar 11, 2018
by
anonymous
What is the impulse response of the system?
What is the impulse response of the system?
impulse
response
system
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57
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0
answers
asked
Mar 11, 2018
by
anonymous
What is a time variant system?
What is a time variant system?
time
variant
system
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57
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0
answers
asked
Mar 11, 2018
by
anonymous
What is the meaning of LTI system?
What is the meaning of LTI system?
Last answer:
The system which satisfies both linearity and time invarient is called linear time invarient (LTI) systrm
lti
system
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109
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1
answer
asked
Mar 10, 2018
by
anonymous
What is a fuzzy inference system?
What is a fuzzy inference system?
fuzzy
inference
system
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59
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is meant by fuzzy system?
What is meant by fuzzy system?
fuzzy
system
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51
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0
answers
asked
Mar 10, 2018
by
anonymous
What is a servomechanism system?
What is a servomechanism system?
servomechanism
system
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39
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0
answers
asked
Mar 10, 2018
by
anonymous
What is an example of an open loop system?
What is an example of an open loop system?
Last answer:
Open loop system. Ex. Electric heater, washing machine, fan, electric switch, etc
example
open
loop
system
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76
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1
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asked
Mar 10, 2018
by
anonymous
What is the automatic control system?
What is the automatic control system?
automatic
control
system
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48
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0
answers
asked
Mar 10, 2018
by
anonymous
What is the meaning of computer system organization?
What is the meaning of computer system organization?
computer
system
organization
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84
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0
answers
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
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