Load curve is useful in deciding the?

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.

162 views 2 answers

asked Sep 8, 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

Guys, how would you grade the efforts of your wife/girlfriend in making you feel needed and useful to her?

Guys, how would you grade the efforts of your wife/girlfriend in making you feel needed and useful to her?
Last Answer : I have a wife too you heterosexist.

1 view 1 answer

asked Mar 1 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

1.1k views 2 answers

asked Sep 4, 2018 by anonymous

Define useful flux, leakage flux and fringing.

128 views 0 answers

asked Aug 8, 2018 by anonymous

expression for calculating vertical curve

What is the expression for calculating vertical curve

11 views 0 answers

asked Jul 30, 2021 by amanze

Draw and explain integrated duration curve used in system operation.

Draw and explain integrated duration curve used in system operation.
Last Answer : Diagram of integrated duration curve used in system operation: Explanation: Integrated duration curve is obtained from load duration curve. It is drawn in between load on Y-axis in KW/MW and the X- ... a particular time of a day can also be shown on a curve which is called as mass curve.

128 views 1 answer

asked Aug 3, 2019 by anonymous

In quadrilateral speed-time curve of electric traction system, the accelerations during successive time periods

In quadrilateral speed-time curve of electric traction system, the accelerations during successive time periods are ______ respectively. (A) positive, negative and negative (B) positive, zero and negative (C) positive, positive and negative (D) positive, negative and zero
Last Answer : In quadrilateral speed-time curve of electric traction system, the accelerations during successive time periods are positive, negative and negative respectively.

142 views 1 answer

asked Apr 30, 2018 by anonymous

In electric traction for a trapezoidal speed-time curve, the time period is

In electric traction for a trapezoidal speed-time curve, the time period is (A) free running speed period = constant speed period (B) free running period = coasting period (C) free running period + coasting period = constant speed period (D) average speed period = scheduled speed period
Last Answer : In electric traction for a trapezoidal speed-time curve, the time period is free running period + coasting period = constant speed period

328 views 1 answer

asked Apr 28, 2018 by anonymous

Trapezoidal speed-time curve is

Trapezoidal speed-time curve is (A) an exact representation of the conditions in Main-line traction service. (B) an exact representation of the conditions in Suburban traction service. (C) ... in Suburban traction service. (D) a close approximation of the conditions in Mainline traction service.
Last Answer : Trapezoidal speed-time curve is a close approximation of the conditions in Mainline traction service.

520 views 1 answer

asked Apr 28, 2018 by anonymous

When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when?

Last Answer : When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when wheel base of axles is more, degree of curvature is more.

196 views 1 answer

asked Mar 22, 2018 by anonymous

write short notes on BH curve.

write short notes on BH curve.
Last Answer : The B-H curve is the relation between Flux density B in Wb/m2 (on Y Axis) and H in AT/m (on X axis) It is also known as magnetization characteristics. This curve particularly useful ... occurs. At point A' material gets magnetically saturated and the curve becomes flat (parallel to X axis)

1.3k views 3 answers

asked Nov 15, 2017 by anonymous

Compare base load plant with peak load plant.

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.

113 views 1 answer

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.

165 views 1 answer

asked Jul 24, 2019 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

_______ is invariably used as base load plant.

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

120 views 1 answer

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.

139 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.

177 views 1 answer

asked Mar 20, 2018 by anonymous

The increased load during summer months is due to?

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

59 views 1 answer

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.

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

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

Load factor of a power station is defined as?

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

321 views 1 answer

asked Mar 20, 2018 by anonymous

What is the opposite of a graveyard?

What is the opposite of a graveyard?
Last Answer : Pawn shop?? A pregnat mothers belly

0 views 1 answer

asked Feb 26 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.

582 views 1 answer

asked May 7, 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.

131 views 0 answers

asked Apr 16, 2020 by anonymous

KVL solved problem non linear load VI characteristics equation

Last Answer : https://youtu.be/fgQTs-1hq7Q

70 views 1 answer

asked Mar 19, 2020 by anonymous

Single-phase mid-point controlled rectifier with RL load

Single-phase mid-point controlled rectifier with RL load
Last Answer : Single-phase mid-point controlled rectifier with RL load : The circuit configuration of single-phase midpoint controlled rectifier is shown in the figure. During positive half-cycle of ... some part of next positive half-cycle of voltage with reversed polarity can appear across load.

209 views 1 answer

asked Oct 13, 2019 by anonymous

Class A Load Commutation

Class A Load Commutation
Last Answer : Class A: Load Commutation: The class A or load commutation (also called self-commutation or resonant commutation) is employed in thyristor circuits supplied from DC source. The commutating components include ... biased. Thus the zero-current and reverse-bias cause the thyristor to turn-off.

177 views 1 answer

asked Oct 13, 2019 by anonymous

Single-phase Midpoint controlled rectifier with Resistive load

Single-phase Midpoint controlled rectifier with Resistive load
Last Answer : Single-phase Midpoint controlled rectifier with Resistive load: 1) During positive half cycle of AC supply, a is positive with respect to b , this makes T1 forward biased and T2 is reverse ... voltage reverses the polarity and T2 is turned off. The operation is as shown in waveforms.

612 views 1 answer

asked Oct 13, 2019 by anonymous

Define for polyphase circuit (i) Balanced load (ii) Unbalanced load. Draw one example circuit for each type of load.

Define for polyphase circuit (i) Balanced load (ii) Unbalanced load. Draw one example circuit for each type of load.
Last Answer : i) Balanced Load: Balanced three phase load is defined as star or delta connection of three equal impedances having equal real parts and equal imaginary parts. Example circuit: ii) ... satisfy the condition of balance, then it is called as unbalanced load. Example circuit:

119 views 1 answer

asked Jul 26, 2019 by anonymous

Why does the speed of a DC shunt motor decrease as the load increases?

Why does the speed of a DC shunt motor decrease as the load increases?
Last Answer : Because if the load is increasing then the torque must also be increase. If not then the speed of motor will decrease.

2.7k views 1 answer

asked Jul 5, 2019 by anonymous

Define the terms: i) Tariff ii) Fuel surcharge iii) Electricity Duty iv) Connected load

Define the terms: i) Tariff ii) Fuel surcharge iii) Electricity Duty iv) Connected load
Last Answer : i) Tariff: The rate at which a consumer is charged for the consumption of electricity is called as tariff. OR The amount of money framed by the supplier for the supply of electrical energy ... is the total wattage of all appliances which are used by the consumer on his sanctioned connection.

140 views 1 answer

asked Sep 29, 2018 by anonymous

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

Define the following terms related to tariff: (i) Connected load (ii) Unit consumed (iii) Fixed charges (iv) Electricity Tax
Last Answer : (i) Connected load It is the sum of the power ratings (Watts or kW or MW) of all devices and machines existing (installed) in the premises of consumer. It is used to decide the ... a percentage of the total electricity bill which includes all amounts that go to the electricity supply agency.

433 views 1 answer

asked Sep 22, 2018 by anonymous

Define the following: i) Residential load ii) Industrial load

Define the following: i) Residential load ii) Industrial load
Last Answer : i) Residential load: The electrical load which is used in residential installation is called as residential load. E.g. incandescent lamp, florescent tube, fan ,5A socket &15A socket etc. ii ... 3-ph any type of motor, electric furnace ,oven,welding transformer and any power load etc.

98 views 1 answer

asked Sep 22, 2018 by anonymous

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

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.

84 views 1 answer

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.

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.

120 views 1 answer

asked Sep 8, 2018 by anonymous

Define each of following terms: i) Connected load ii) Spinning reserve.

Define each of following terms: i) Connected load ii) Spinning reserve.
Last Answer : i) Connected Load :- It is the sum of load of all equipment connected to supply system which are in use or not in use of each consumer. ii) Spinning Reserve:- It is reserved generating capacity in operation and connected to bus bar and ready to take a load.

75 views 1 answer

asked Sep 7, 2018 by anonymous

Define balanced 3 phase load.

Define balanced 3 phase load.
Last Answer : Balanced 3 phase Load: Balanced three phase load is defined as star or delta connection of three equal impedances having equal real parts and equal imaginary parts. It takes same current of equal magnitude and equal phase angle.

159 views 1 answer

asked Sep 7, 2018 by anonymous

Define balanced and unbalanced load in three phase circuit.

Define balanced and unbalanced load in three phase circuit.
Last Answer : Balanced Load: When all the imedances of 3 phases are equal in magnitude and of same nature then load is said to be balanced. Unbalanced Load: When all the imedances of 3 phases are not equal in magnitude and of different nature then load is said to be unbalanced.

257 views 1 answer

asked Sep 6, 2018 by anonymous

Define load and line regulation.

Define load and line regulation.
Last Answer : 1. Load regulation : The load regulation indicates how much the load voltage changes when the load current changes. The load regulation is defined as: % Load regulation = (VNL-VFL) / VFL *100 ... the power supply. A well-regulated power supply can have a line regulation of less than 0.1%.

101 views 1 answer

asked Sep 5, 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.

252 views 0 answers

asked Aug 12, 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

294 views 1 answer

asked Jun 18, 2018 by anonymous

A zener voltage regulator has load requirements of 12 V and 2 A. The zener diode minimum current

A zener voltage regulator has load requirements of 12 V and 2 A. The zener diode minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is the required value of series resistance with source? A) 5.45 Ω B) 6 Ω C) 7.2 Ω D) 6.38 Ω
Last Answer : A zener voltage regulator has load requirements of 12 V and 2 A. The zener diode minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is the required value of series resistance with source? A) 5.45 Ω B) 6 Ω C) 7.2 Ω D) 6.38 Ω

2.7k views 1 answer

asked Jun 18, 2018 by anonymous

A 40 kVA transformer has a core loss of 400 W and a full load copper loss of 800 W. The

A 40 kVA transformer has a core loss of 400 W and a full load copper loss of 800 W. The proportion of full load at maximum efficiency is
Last Answer : A 40 kVA transformer has a core loss of 400 W and a full load copper loss of 800 W. The proportion of full load at maximum efficiency is 0.707

774 views 1 answer

asked May 8, 2018 by anonymous

anonymous · Answer 1 · 2018-03-20T04:05:35+0000

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

Load curve is useful in deciding the?

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