Load factor of a power station is defined as?

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Load factor of a power station is defined as?

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asked Mar 20, 2018 by anonymous

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Load factor of a power station is generally?

Last Answer : Load factor of a power station is generally less than unity.

107 views 1 answer

asked Mar 20, 2018 by anonymous

Power station having Load factor = 70%, capacity factor = 50%, used factor = 60%, maximum demand = 20MW

Power station having Load factor = 70%, capacity factor = 50%, used factor = 60%, maximum demand = 20MW then annual energy production is (1) 122.8 GWh (2) 198.55 GWh (3) 128.2 GWh (4) 188.82 GWh
Last Answer : Power station having Load factor = 70%, capacity factor = 50%, used factor = 60%, maximum demand = 20MW then annual energy production is 122.8 GWh

148 views 1 answer

asked Apr 29, 2018 by anonymous

For high value of diversity factor, a power station of given installed capacity will be in a position to supply?

Last Answer : For high value of diversity factor, a power station of given installed capacity will be in a position to supply more number of consumers.

169 views 1 answer

asked Mar 20, 2018 by anonymous

Demand factor is defined as?

Last Answer : Demand factor is defined as maximum demand/connected load.

76 views 1 answer

asked Mar 20, 2018 by anonymous

A transformer has negative voltage regulation when its load power factor is

A transformer has negative voltage regulation when its load power factor is (1) Zero (2) Unity (3) Leading (4) Lagging
Last Answer : 0

5.1k views 3 answers

asked Apr 30, 2018 by anonymous

In a synchronous generator delivering lagging power factor load

In a synchronous generator delivering lagging power factor load (1) the excitation emf leads terminal voltage by the power angle (2) the excitation emf lags terminal voltage by the power angle (3) ... by the power factor angle (4) excitation emf lags the terminal voltage by the power factor angle
Last Answer : In a synchronous generator delivering lagging power factor load the excitation emf leads terminal voltage by the power angle

340 views 1 answer

asked Apr 29, 2018 by anonymous

The power factor of a single phase load can be calculated if the instruments available are?

Last Answer : The power factor of a single phase load can be calculated if the instruments available are three ammeters or three voltmeters.

296 views 2 answers

asked Mar 21, 2018 by anonymous

Minimum voltage regulation occurs when the power factor of the load is?

Minimum voltage regulation occurs when the power factor of the load is?
Last Answer : Minimum voltage regulation occurs when the power factor of the load is leading.

221 views 1 answer

asked Mar 19, 2018 by anonymous

If the load of the normally excited synchronous motor is increased the power factor will?

If the load of the normally excited synchronous motor is increased the power factor will?
Last Answer : If the load of the normally excited synchronous motor is increased the power factor will become lagging.

150 views 1 answer

asked Mar 18, 2018 by anonymous

The synchronous motor which works on leading power factor and does not drive any mechanical load is called?

The synchronous motor which works on leading power factor and does not drive any mechanical load is called?
Last Answer : The synchronous motor which works on leading power factor and does not drive any mechanical load is called synchronous condenser.

162 views 1 answer

asked Mar 18, 2018 by anonymous

In order to have a lower cost of electrical energy generation the load factor

In order to have a lower cost of electrical energy generation the load factor (1) and the diversity factor should be low (2) should be low but the diversity factor should be high (3) should be high but the diversity factor should be low (4) and the diversity factor both should be high
Last Answer : In order to have a lower cost of electrical energy generation the load factor and the diversity factor both should be high

134 views 1 answer

asked Apr 29, 2018 by anonymous

Which plant can never have 100 percent load factor ?

Last Answer : Peak load plant can never have 100 percent load factor.

143 views 1 answer

asked Mar 20, 2018 by anonymous

In two part tariff, variation in load factor will affect?

Last Answer : In two part tariff, variation in load factor will affect operating or running charges.

79 views 1 answer

asked Mar 20, 2018 by anonymous

High load factor indicates?

Last Answer : High load factor indicates total plant capacity is utilised for most of the time.

101 views 1 answer

asked Mar 20, 2018 by anonymous

The load factor of domestic load is usually?

Last Answer : The load factor of domestic load is usually 10 to 15%.

151 views 1 answer

asked Mar 20, 2018 by anonymous

An induction motor has relatively high power factor at?

Last Answer : An induction motor has relatively high power factor at near full load.

91 views 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.

183 views 1 answer

asked Mar 20, 2018 by anonymous

For a consumer the most economical power factor is generally?

Last Answer : For a consumer the most economical power factor is generally 0.95 lagging .

208 views 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.

115 views 1 answer

asked Mar 20, 2018 by anonymous

Power plant having maximum demand more than the installed rated capacity will have utilisation factor?

Last Answer : More than 100%

158 views 2 answers

asked Mar 20, 2018 by anonymous

Can a synchronous condenser improve power factor?

Can a synchronous condenser improve power factor?
Last Answer : Yes, synchronous condenser can improve power factor.

90 views 1 answer

asked Mar 19, 2018 by anonymous

What is the maximum value of power factor?

What is the maximum value of power factor?
Last Answer : 1 is the maximum value of power factor.

118 views 1 answer

asked Mar 19, 2018 by anonymous

Load factor is the

Load factor is the (1) Ratio of maximum load on the station to sum of consumer's maximum load. (2) Ratio of average demand to maximum demand. (3) Factor used for increasing load. (4) Reciprocal of (1).
Last Answer : Load factor is the Ratio of average demand to maximum demand.

101 views 1 answer

asked Apr 30, 2018 by anonymous

The load duration curve for unity load factor will be of

The load duration curve for unity load factor will be of (1) Rectangular shape (2) Triangular shape (3) L -shape (4) I -shape
Last Answer : The load duration curve for unity load factor will be of Rectangular shape

1.5k views 1 answer

asked Apr 30, 2018 by anonymous

How Do I Build a Low Power FM Radio Station?

How Do I Build a Low Power FM Radio Station?
Last Answer : How Do I Build a Low Power FM Radio Station? A low power FM radio station offers individuals or small groups the ability to go on the air and communicate with the general public using FM radio ... FCC or your local government to determine which, if any FM frequencies you are allowed to transmit on.

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asked May 11, 2021 by anonymous

Compare the Nuclear power station with Hydro power station.

Compare the Nuclear power station with Hydro power station.
Last Answer : SR. No. Points Nuclear Power plant Hydro Power station 1 Site/ Location Where there is ample supply of water is available, away from thickly populated areas to avoid radioactive ... Field Application As base load Used as base load during as well as peak load

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asked Aug 2, 2019 by anonymous

Classify condensers used in thermal power station. Explain each type in brief.

Classify condensers used in thermal power station. Explain each type in brief.
Last Answer : Types of condenser: Classification: 1. Jet Condenser (Mixing Type) 2. Surface condenser (non Mixing type) Explanation:- 1. Jet Condenser (Mixing Type) In Jet condenser the steam ... there in no direct contact between the steam and cooling water. This condensate is reused in boiler.

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asked Aug 2, 2019 by anonymous

Explain the working of Hydro power station with schematic layout.

Explain the working of Hydro power station with schematic layout.
Last Answer : Working of Hydro- Electric Power Plant: Water stored at high level by constructing dam across river. This stored water has potential energy. This stored water is passed to run the water ... energy and Alternator is coupled to water turbine which converts mechanical energy into electrical energy.

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asked Aug 2, 2019 by anonymous

"Efficiency of thermal power station is low". — Justify.

"Efficiency of thermal power station is low". — Justify.
Last Answer : Justification: Efficiency of thermal power station is low":- Overall efficiency of T.P.P depends upon efficiency of boiler, turbine and alternator. The heat produced due to combustion of coal ... losses in thermal power plant is 71%, So efficiency of thermal power plant is less about 29%

104 views 1 answer

asked Aug 2, 2019 by anonymous

Applications of Diesel power station

Applications of Diesel power station
Last Answer : Applications of Diesel Power Station: 1. It can be used as a standby (emergency) power plant to maintain continuity of supply. (Incase failure of main supply like hospital, Telephone exchange Radio ... 10. Diesel plants are widely used for generating power ranging from 100 to 5,000 H.P.

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asked Aug 2, 2019 by anonymous

List out main components of Diesel power station.

List out main components of Diesel power station.
Last Answer : Main components of Diesel power station: 1) Diesel Engine 2) Engine Air intake system 3) Engine Fuel System 4) Engine Exhaust system 5) Engine cooling system 6) Engine Lubricating system 7) Engine Starting system 8) Diesel Engine Generator (Alternator)

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asked Aug 2, 2019 by anonymous

State the function of following components of a nuclear power station: i) Moderator ii) Shielding iii) Control rod iv) Coolant

State the function of following components of a nuclear power station: i) Moderator ii) Shielding iii) Control rod iv) Coolant
Last Answer : i) Function of Moderator :- Moderator is to moderate or reduce the speed of fast neutron to help the fission process. ii) Function of sheilding : Shielding is to protect environment, ... from reactor core and transfer it in heat exchanger for producing steam at high pressure and temperature.

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asked Sep 8, 2018 by anonymous

State the types of radioactive waste generated in a nuclear power station. Explain the methods employed for their disposal.

State the types of radioactive waste generated in a nuclear power station. Explain the methods employed for their disposal.
Last Answer : Types of radioactive waste: The waste produced in nuclear power plant is in the form of solid, liquid & gases, 1. Solid Waste Disposal:- Solid wastes removed from the reactor are very ... are measured. If it is safe then released to atmosphere at high level through large height chimney.

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asked Sep 8, 2018 by anonymous

"Hydro electric power station are not perennial power station". Justify.

"Hydro electric power station are not perennial power station". Justify.
Last Answer : Justification: The water utilized by the hydro power plants comes mostly from storage dams/reservoirs which get filled up during the monsoon rainy season. Such reservoirs are utilized for supplying ... are important. Hence "Hydro electric power stations are not perennial power station"

89 views 1 answer

asked Sep 8, 2018 by anonymous

List and state any four limitations of inter connected power station.

List and state any four limitations of inter connected power station.
Last Answer : Limitations of inter connected power station:- 1) Initial cost of infrastructure of transmission line increases as length increases. 2) Interconnection required more automation which increases cost on ... capacity. But in absence of surplus power merits of interconnection cannot be obtain.

47 views 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.

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asked Sep 8, 2018 by anonymous

State the function of cooling tower and condenser in thermal power station.

State the function of cooling tower and condenser in thermal power station.
Last Answer : 1. Condenser: Function of condenser is to convert exhaust steam again into water by reducing its temperature with the help of cold water. Also it reduces back pressure of steam turbine 2 ... tower : The function of cooling tower is to reduce the temperature of water coming from condenser.

315 views 1 answer

asked Sep 8, 2018 by anonymous

State the purpose of surge tank and spill way in hydroelectric power station.

State the purpose of surge tank and spill way in hydroelectric power station.
Last Answer : Surge tank :- A surge tank is the small reservoir or tank. It is open at the top. It is installed near Vale house of turbine. It avoids water hammer effect when load on turbine reduces. (It ... ; during floods etc. In this way spill way avoids damage of dam due to excess pressure of water.

92 views 1 answer

asked Sep 8, 2018 by anonymous

State any four factors governing Selection of site for thermal power station.

State any four factors governing Selection of site for thermal power station.
Last Answer : Following Factors are to be considered:- 1. It should locate near coal mine. 2. Sufficient quantity of water should be available. 3. Sufficient large space should be available. 4. It should be located ... laws of the land and the town planning. 14. The interests of national defense must be served.

186 views 2 answers

asked Sep 7, 2018 by anonymous

Write down any two advantages of nuclear power station.

Write down any two advantages of nuclear power station.
Last Answer : Advantages of nuclear power station :- 1) Fuel required: Fuel requirment of Nuclear Power Plant is less than Thermal Power Plant. So it reduces transportation cost of fuel and space required for fuel storage ... By use of nuclear fuel.,it saves the other fossile fuels like-coal, gas, oil, etc.

106 views 2 answers

asked Sep 7, 2018 by anonymous

For the protection of power station buildings against direct strokes the requirements are?

Last Answer : For the protection of power station buildings against direct strokes the requirements are interception, conduction and dissipation.

94 views 1 answer

asked Mar 20, 2018 by anonymous

The standard full-load power factor ratings for synchronous motors are?

Last Answer : The standard full-load power factor ratings for synchronous motors are unity or 0.8 leading.

98 views 1 answer

asked Mar 20, 2018 by anonymous

The following formula is correct:

The following formula is correct: (A) Load factor=Average load for a period/ Peak load for the same period (B) Load factor=Average load for a period x Peak load for the same period (C) Load factor=Average load for a period + Peak load for the same period (D) All of the above
Last Answer : The following formula is correct: (A) Load factor=Average load for a period/ Peak load for the same period (B) Load factor=Average load for a period x Peak load for the same period (C) Load factor=Average load for a period + Peak load for the same period (D) All of the above

67 views 1 answer

asked May 8, 2018 by anonymous

State why nuclear power plants are used as base load plants and diesel power plants as a peak load plant.

State why nuclear power plants are used as base load plants and diesel power plants as a peak load plant.
Last Answer : 1. Because of following points Nuclear power plant used as base load power plant:- 1. Nuclear power plants is very economical for producing bulk amount of electric power 2. Nuclear power plant is reliable ... . The plants can be put on load easily. 4. Diesel engines take less time to make OFF.

119 views 1 answer

asked Sep 8, 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 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

117 views 1 answer

asked Apr 30, 2018 by anonymous

In tuned power lines, on load :

In tuned power lines, on load : (A) the receiving end voltage is numerically equal to the sending end voltage (B) the receiving end current is numerically equal to the sending end current (C) there is no voltage drop (D) all the above
Last Answer : In tuned power lines, on load : (A) the receiving end voltage is numerically equal to the sending end voltage (B) the receiving end current is numerically equal to the sending end current (C) there is no voltage drop (D) all the above

79 views 1 answer

asked Apr 30, 2018 by anonymous

Load compensation in power systems is a process to :

Load compensation in power systems is a process to : (A) Maintain better voltage profile (B) Increase short circuit capacity of the system (C) Generate required harmonics for loads like arc furnaces (D) Compensate for the line reactance
Last Answer : Load compensation in power systems is a process to : Maintain better voltage profile

110 views 1 answer

asked Apr 29, 2018 by anonymous

A 3 -phase, fully controlled, converter is feeding power into a DC load at a constant current of 150 A, the rms

A 3 -phase, fully controlled, converter is feeding power into a DC load at a constant current of 150 A, the rms value of the current flowing through each thyristor of the converter is
Last Answer : Please show the solution for this question

515 views 2 answers

asked Apr 29, 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

171 views 1 answer

asked Apr 28, 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.

133 views 1 answer

asked Mar 19, 2018 by anonymous

anonymous · Answer 1 · 2018-03-20T03:52:53+0000

Load factor of a power station is defined as average load/maximum demand.

Load factor of a power station is defined as?

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