The increased load during summer months is due to?

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asked Mar 20, 2018 by anonymous

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As the load is increased the speed of D.C. shunt motor will?

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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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Last answer: The steady state stability of the power system can be increased by connecting lines in parallel.

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Stability of a transmission line can be increased by

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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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asked Apr 29, 2018 by anonymous

In a synchronous generator if the excitation increased from a low value to normal value, with a fixed load

In a synchronous generator if the excitation increased from a low value to normal value, with a fixed load (A) The armature current increases and the power factor decreases (B) The armature current decreases and the power factor also decreases (C) The armature current decreases and the power factor increases but is lagging (D) The armature current decreases and the power factor increases and is leading

Last answer: In a synchronous generator if the excitation increased from a low value to normal value, with a fixed load The armature current decreases and the power factor increases and is leading

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asked Apr 29, 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

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asked Mar 20, 2018 by anonymous

Load curve is useful in deciding the?

Last answer: Load curve is useful in deciding the operating schedule of generating units, sizes of generating units, total installed capacity of the plant.

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The load factor of domestic load is usually?

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

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_______ is invariably used as base load plant.

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

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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.

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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 Jul 24, 2019 by anonymous

Explain the concept of following terms : (i) Connected load (ii) Maximum demand

Last answer: 1. Connected Load: It is the sum of load of all equipment's connected to supply system which are in use or not in use of each consumer. OR The sum of connected load of all consumers ... is the maximum load which a consumer uses at a particular time period out of his total connected load.

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asked Mar 20, 2018 by anonymous

In a load curve the highest point represents?

Last answer: In a load curve the highest point represents peak demand.

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asked Mar 20, 2018 by anonymous

The area under a load curve gives?

Last answer: The area under a load curve gives energy consumed.

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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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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 Mar 20, 2018 by anonymous

Which plant can never have 100 percent load factor ?

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

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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.

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A load curve indicates?

Last answer: A load curve indicates average kWh (kW) energy consumption during the period.

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High load factor indicates?

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

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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 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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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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asked Apr 16, 2020 by anonymous

Explain with neat circuit diagrams the procedures to perform no load and blocked rotor tests on three phase induction motor

Explain with neat circuit diagrams the procedures to perform no load and blocked rotor tests on three phase induction motor.

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asked Sep 22, 2018 by anonymous

Define the following terms related to tariff: (i) Connected load (ii) Unit consumed (iii) Fixed charges (iv) Electricity Tax

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asked Apr 28, 2018 by anonymous

The sequence components of current of a single-phase load connected to a 3-phase system are

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asked Mar 19, 2018 by anonymous

In an actual transformer the iron loss remains practically constant from no load to full load because?

Last answer: In an actual transformer the iron loss remains practically constant from no load to full load because core flux remains practically constant.

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asked Mar 20, 2018 by anonymous

A synchronous motor running with normal excitation adjusts to load increases essentially by increase in?

Last answer: A synchronous motor running with normal excitation adjusts to load increases essentially by increase in armature current.

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asked Mar 26, 2018 by anonymous

If load on a d.c. shunt motor is increased, its speed is decreased due primarily to?

Last answer: If load on a d.c. shunt motor is increased, its speed is decreased due primarily to decrease in back e.m.f.

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asked Apr 30, 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.

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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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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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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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asked Apr 28, 2018 by anonymous

The effect of increasing load on a synchronous motor running with normal excitation is

The effect of increasing load on a synchronous motor running with normal excitation is (A) Increase both its Ia and power factor. (B) Decrease Ia, but increase power factor. (C) Increase Ia, but decrease power factor (D) Decrease both Ia and power factor.

Last answer: The effect of increasing load on a synchronous motor running with normal excitation is Increase Ia, but decrease power factor

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asked Mar 25, 2018 by anonymous

Sparking occurs when a load is switched off because the circuit has high?

Last answer: Sparking occurs when a load is switched off because the circuit has high inductance.

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asked Mar 20, 2018 by anonymous

The speed/load characteristics of a universal motor is same as that of?

Last answer: The speed/load characteristics of a universal motor is same as that of D.C. series motor.

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asked Mar 20, 2018 by anonymous

The coupling angle or load angle of synchronous motor is defined as the angle between the?

Last answer: The coupling angle or load angle of synchronous motor is defined as the angle between the rotor and the stator poles of opposite polarity.

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asked Mar 20, 2018 by anonymous

Series capacitors on transmission lines are of little use when the load VAR requirement is?

Last answer: Series capacitors on transmission lines are of little use when the load VAR requirement is small.

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asked Mar 19, 2018 by anonymous

Negative voltage regulation is indicative that the load is?

Last answer: Negative voltage regulation is indicative that the load is capacitive.

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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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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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asked Mar 19, 2018 by anonymous

In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of?

Last answer: In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of less than 15A.

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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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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 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 May 8, 2018 by anonymous

In load flow Study, a PV bus is treated as a PQ bus when

Last answer: Voltage at the bus becomes high

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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

A transformer operates 24 hours day at full -load. It's full -load efficiency is :

A transformer operates 24 hours day at full -load. It's full -load efficiency is : (A) equal all day efficiency (B) more than all -day efficiency (C) less than all -day efficiency (D) equal to maximum efficiency

Last answer: A transformer operates 24 hours day at full -load. It's full -load efficiency is : equal all day efficiency

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anonymous · Answer 1 · 2018-03-20T04:16:25+0000

The increased load during summer months is due to increased use of fans and air conditioners.

The increased load during summer months is due to?

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