What is base load and peak load power plants?

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asked Mar 11, 2018 by anonymous

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asked Sep 8, 2018 by anonymous

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.

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asked Sep 8, 2018 by anonymous

Compare base load plant with peak load plant on any two points.

Last answer: Points Base load plant Peak load plant Definition The power plant which supplies base load of load curve is known as base load plant The power plant which supplies ... ,thermal,nuclear power station Small capacity storage hydro,pumped storage hydro,gas,diesel power station.

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asked Mar 20, 2018 by anonymous

Generators for peak load plants are usually designed for maximum efficiency at?

Last answer: Generators for peak load plants are usually designed for maximum efficiency at 50 to 75 percent full load.

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asked Jun 18, 2018 by anonymous

An SSB transmitter produces a peak-to-peak voltage of 200 V across a 100 Ω antenna load. What is the Peak

An SSB transmitter produces a peak-to-peak voltage of 200 V across a 100 Ω antenna load. What is the Peak Envelope Power? A) 49.98 W B) 79.98 W C) 99.96 W D) 199.93 W

Last answer: An SSB transmitter produces a peak-to-peak voltage of 200 V across a 100 Ω antenna load. What is the Peak Envelope Power? A) 49.98 W B) 79.98 W C) 99.96 W D) 199.93 W

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asked Jul 24, 2019 by anonymous

Compare base load plant with peak load plant.

Last answer: Sr.No. Points Base load plant Peak load plant 1 Definition The power plant which supplies base load of load curve is known as base load plant The power ... power station Small capacity storage hydro, pumped storage hydro, gas, diesel power station.

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87 views 1 answer

asked Mar 20, 2018 by anonymous

_______ is invariably used as base load plant.

Last answer: Nuclear power plant is invariably used as base load plant.

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asked Mar 10, 2018 by anonymous

What is the purpose of the turbines in coal fired power plants?

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asked Sep 7, 2018 by anonymous

Classify hydro-electric power plants according to water flow regulation and explain in brief.

Last answer: Classification of hydro-electric power plants according to water flow regulation of water flow:- 1. Large reservoir power plant 2. Run-off river (ROR) power plant with poundage 3. Run-off River ... depends upon rate of flow of water Initial cost is less Its purpose is to generate electricity.

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asked May 1, 2018 by anonymous

In a pure resistive circuit, the average power Pavg is _________ the peak power Pmax.

In a pure resistive circuit, the average power Pavg is ______ the peak power Pmax. (1) Double (2) One-half of (3) One-fourth (4) Equal to

Last answer: In a pure resistive circuit, the average power Pavg is One-half of the peak power Pmax.

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399 views 1 answer

asked May 8, 2018 by anonymous

For optimum generator scheduling for different power plants, the minimum fuel cost is obtained when

Last answer: For optimum generator scheduling for different power plants, the minimum fuel cost is obtained when The incremental fuel cost of each plant multiplied by the penalty factor is the same

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asked Jul 24, 2019 by anonymous

With a neat diagram explain medium head hydro-electric power plants.

Last answer: Diagram of medium head hydro-electric power plants: Explanation:- If head of water is between 30 and 100 m, the plant is called a medium-head plant. Potential energy of ... Francis turbines are normally used. Alternator required in these plants is of low speed and large in diameter.

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346 views 1 answer

asked Sep 8, 2018 by anonymous

State any two applications of diesel power plants.

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59 views 1 answer

asked Sep 7, 2018 by anonymous

List any two types of fuels used in electrical power generation plants.

Last answer: Types of fuels used in electrical power generation plants: 1) Solid fuels: Coal, Biomass: Wood, Nuclear fuel: Uranium, Plutonium 2) Liquid fuels: Diesel, Petrol 3) Gaseous Fuels: Natural gas, Producer ... 2) Wood 3) Uranium 4) Plutonium 5) Diesel 6) Petrol 7) Natural gas 8) Producer gas

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asked Apr 29, 2018 by anonymous

In hydroelectric power plants

In hydroelectric power plants (1) both operating and initial cost are high (2) both operating and initial cost are low (3) operating cost is low and initial cost is high (4) operating cost is high and initial cost is low

Last answer: In hydroelectric power plants operating cost is low and initial cost is high

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46 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?

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

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69 views 1 answer

asked Jul 24, 2019 by anonymous

Classify the hydro-electric plants according to the head and load basis.

Last answer: Classification the hydro-electric plants According to availability of Head of Water: 1. Very high head power plant 2. High head power plant 3. Medium head power plant 4. Low head power plant ... -electric plants According to Load basis: 1. Base load power plant 2. Peak load power plant

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46 views 1 answer

asked Apr 30, 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: Leading

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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

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76 views 1 answer

asked Apr 29, 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

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62 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: 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 150/√3

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177 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

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107 views 1 answer

asked Mar 20, 2018 by anonymous

Load factor of a power station is generally?

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

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53 views 1 answer

asked Mar 20, 2018 by anonymous

Load factor of a power station is defined as?

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

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asked Mar 19, 2018 by anonymous

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.

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104 views 1 answer

asked Mar 19, 2018 by anonymous

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.

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115 views 1 answer

asked Mar 18, 2018 by anonymous

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.

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asked Mar 18, 2018 by anonymous

The synchronous motor will develop maximum power when the load angle is?

Last answer: The synchronous motor will develop maximum power when the load angle is 900.

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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

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55 views 1 answer

asked Apr 29, 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

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77 views 1 answer

asked Apr 29, 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) excitation emf leads the terminal voltage 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

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180 views 1 answer

asked Mar 21, 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.

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135 views 2 answers

asked Apr 29, 2018 by anonymous

What is crest factor (peak factor)?

What is crest factor (peak factor)? A) It is the ratio of the maximum amplitude to average value B) It is the ratio of the average amplitude and RMS value C) It is the ratio of the maximum amplitude to RMS value D) None of these

Last answer: What is crest factor (peak factor)? A) It is the ratio of the maximum amplitude to average value B) It is the ratio of the average amplitude and RMS value C) It is the ratio of the maximum amplitude to RMS value D) None of these

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73 views 1 answer

asked May 6, 2018 by anonymous

What are the seven base units?

Last answer: Length, mass, time, electric current, temperature, luminous intensity and amount of substance are the seven base units.

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78 views 1 answer

asked Jun 18, 2018 by anonymous

If the base current of a BJT is 250 µA and emitter current is 15 mA, then the common base current gain will be

If the base current of a BJT is 250 µA and emitter current is 15 mA, then the common base current gain will be A) 0.98 B) 0.41 C) 59 D) 55

Last answer: If the base current of a BJT is 250 µA and emitter current is 15 mA, then the common base current gain will be 0.98

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149 views 1 answer

asked May 7, 2020 by anonymous

Select insulating materials for following parts : (i) Insulation between heating element and base plate of electric iron. (ii) Insulation used over copper or aluminium conductor used for making coils. (iii) Transformer bushings. (iv) Insulation between transmission line and pole.

Last answer: Parts Insulating Materials Insulation between heating element and base plate of electric iron. Mica Insulation used over copper or aluminium conductor used for making coils. ... Transformer bushings Porcelain Insulation between transmission line and pole. Porcelain

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asked Mar 10, 2018 by anonymous

Explain different gate drives techniques with base circuits and key features.

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asked Aug 8, 2018 by anonymous

Define form factor and peak factor.

Last answer: Form factor is equal to rms value divided by average value ... Peak factor is equal to Max value divided by rms value.

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asked May 1, 2018 by anonymous

The time base signal in Cathode Ray Oscilloscope (CRO) is

The time base signal in Cathode Ray Oscilloscope (CRO) is (1) A square wave signal (2) A sawtooth signal (3) A triangular wave signal (4) A sinusoidal signal

Last answer: 2 Saw tooth

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asked Apr 28, 2018 by anonymous

A single core cable is designed to work for a single phase system with a peak voltage of 220 kV. The maximum

A single core cable is designed to work for a single phase system with a peak voltage of 220 kV. The maximum permissible stress in the dielectric is not to exceed 20 kV/mm. For economical size, the overall core diameter of the cable is (A) 28.2 mm (B) 26.4 mm (C) 24.4 mm (D) 22.0 mm

Last answer: A single core cable is designed to work for a single phase system with a peak voltage of 220 kV. The maximum permissible stress in the dielectric is not to exceed 20 kV/mm. For economical size, the overall core diameter of the cable is 22.0 mm

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690 views 1 answer

asked Mar 24, 2018 by anonymous

The peak value of a sine wave is 200 V. Its average value is?

Last answer: The peak value of a sine wave is 200 V. Its average value is 127.4 V.

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180 views 1 answer

asked Aug 6, 2019 by anonymous

Define the following terms : (i) Base Station (ii) Control Channel (iii) Mobile Station (iv) Page

Last answer: i) Base Station: - A fixed station in a mobile radio system used for radio communication with mobile stations. Base stations are located at the center or on the edge of a coverage region ... the page throughout the service area using base stations which broadcast the page on a radio carrier.

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asked May 8, 2018 by anonymous

The problematic pollutants in emission of coal based generating plants __________.

The problematic pollutants in emission of coal based generating plants __________. (A) SO₂ (B) NOx (C) CO (D) All of the above

Last answer: The problematic pollutants in emission of coal based generating plants __________. (A) SO₂ (B) NOx (C) CO (D) All of the above

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asked Mar 20, 2018 by anonymous

Most efficient plants are normally used as?

Last answer: Most efficient plants are normally used as base load plants.

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asked Aug 12, 2018 by anonymous

A balanced Delta connected load supplied with 440 V 50 Hz three phase AC supply has R=10 Ohm and L=0.6 mH in is each arm. Calculate line and phase current, active power.

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asked Mar 10, 2018 by anonymous

What is a non linear load?

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asked Apr 5, 2018 by anonymous

Which of the following plants is suitable for peak load?

Which of the following plants is suitable for peak load? (A) Diesel engine plant (B) Steam power plant (C) Nuclear power plant (D) Hydro-electric plant

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asked Mar 20, 2018 by anonymous

If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens?

Last answer: If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens this will make armature to take heavy current, possibly burning it.

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102 views 1 answer

asked Mar 20, 2018 by anonymous

If the synchronous motor, properly synchronised to the supply is running on no load and is having negligible loss then?

Last answer: If the synchronous motor, properly synchronised to the supply is running on no load and is having negligible loss then the stator current will be zero.

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87 views 1 answer

asked Mar 20, 2018 by anonymous

Generating capacity connected to the bus bars and ready to take load when switched on is known as ?

Last answer: Generating capacity connected to the bus bars and ready to take load when switched on is known as spinning reserve.

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112 views 1 answer

asked May 7, 2020 by anonymous

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.

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206 views 1 answer

What is base load and peak load power plants?

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