Demand factor is defined as?

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1 Answer

Answer :

Demand factor is defined as maximum demand/connected load.

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Related questions

Load factor of a power station is defined as?

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

In a power plant if the maximum demand on the plant is equal to the plant capacity, then?

Last Answer : In a power plant if the maximum demand on the plant is equal to the plant capacity, then plant reserve capacity will be zero.

Maximum demand on a power plant is?

Last Answer : Maximum demand on a power plant is the greatest of all "short time interval averaged" demand during a period.

In Hopknison demand rate or two part tariff the demand rate or fixed charges are?

Last Answer : In Hopknison demand rate or two part tariff the demand rate or fixed charges are dependent upon the maximum demand of the consumer.

Approximate estimation of power demand can be made by?

Last Answer : Approximate estimation of power demand can be made by load survey method, statistical methods, mathematical method, economic parameters.

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

Description : 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

An induction motor has relatively high power factor at?

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

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.

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 .

In an interconnected system, the diversity factor of the whole system?

Last Answer : In an interconnected system, the diversity factor of the whole system increases.

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.

A low utilization factor for a plant indicates that?

Last Answer : A low utilization factor for a plant indicates that plant is used for stand by purpose.

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.

Diversity factor has direct effect on the?

Description : Diversity factor has direct effect on the?

Last Answer : Diversity factor has direct effect on the fixed cost of unit generated.

Which plant can never have 100 percent load factor ?

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

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.

High load factor indicates?

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

The load factor of domestic load is usually?

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

Load factor of a power station is generally?

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

Can a synchronous condenser improve power factor?

Description : Can a synchronous condenser improve power factor?

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

What is the maximum value of power factor?

Description : What is the maximum value of power factor?

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

If somebody invented "fart vision" glasses, how much would you pay for them?

Description : If somebody invented "fart vision" glasses, how much would you pay for them?

Last Answer : 4000$

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

Description : 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

What Does Quality Factor Mean?

Description : What Does Quality Factor Mean?

Last Answer : Answer :The Quality factor is also defined, as Q. So it is a number, which reflects the lossness of a circuit. Higher the Q, the lower are the losses.

What is meant by Power factor?

Description : What is meant by Power factor?

Last Answer : Ans. Power factor means ratio of true power to apparent power. It is cosine of phase angle between voltage and current. Its value is 1 for Unity P.F. Loads, 0 to 1 lagging for inductive loads and o to 1 leading for capacitive loads.

State the effects of low power factor on efficiency and voltage regulation of short transmission lines.

Description : State the effects of low power factor on efficiency and voltage regulation of short transmission lines. 

Last Answer : i) Effect of Low power factor on efficiency:- When power factor of load reduces current drawn by transmission line increases so copper losses in transmission line increases, hence transmission ... increases, so voltage drop in transmission line increases so regulation increases. (Become Poor) 

Briefly explain how the power factor of an inductive circuit can be improved.

Description : Briefly explain how the power factor of an inductive circuit can be improved.

Last Answer : As we know that power factor should be corrected to ensure that the current supplied is cost friendly. Meaning the power factor should be around one but not greater than one(0.8-0.9) in a ... an inductive circuit due to the inductive reactance which oppose the change of current in the ac circuit. 

Define leakage factor.

Description : Define leakage factor.

Last Answer : It is the ratio of total flux to leakage flux.

Define PIV, TUF, ripple factor, efficiency of rectifier.

Description : Define PIV, TUF, ripple factor, efficiency of rectifier.

Last Answer : PIV: Peak Inverse Voltage (PIV) is defined as the maximum negative voltage which appears across non-conducting reverse biased diode. TUF : Transformer Utilization Factor (TUF) is defined as the ratio of DC output ... Efficiency of rectifier: η = DC output power/ AC input power = PLdc / Pac

working of distortion factor meter with block diagram

Description : working of distortion factor meter with block diagram

Last Answer : Working : Initially the switch S is kept at position 1.The attenuator gets excluded and the bridge T network is adjusted for full suppression of fundamental frequency and hence we get ... is obtained on the meter.Thus the total rms distortion is indicated by the reading of attenuator. 

Why capacitors are used to improve power factor?

Description : Why capacitors are used to improve power factor?

Last Answer :  Capacitors generate reactive power instead of that drawn from source which is required by inductive loads.so it reduce the reactive current which is drawn from source to be drawn from capacitor.This control in Electric bills cost.

Define : i) Strain gauge ii) Gauge factor

Description : Define : i) Strain gauge ii) Gauge factor

Last Answer : i) Strain gauge is a resistance transducer whose resistance varies with applied force; It converts force, pressure, tension, weight, etc., into a change in electrical resistance which can then be measured ... is defined as the ratio of per unit change in resistance to per unit change in length 

Define ripple factor and PIV of HWR

Description : Define ripple factor and PIV of HWR

Last Answer : Peak Inverse Voltage (PIV) or Peak Reverse Voltage (PRV) refer to the maximum voltage a diode can withstand in the reverse-biased direction before breakdown. Also may be called Reverse Breakdown Voltage.

Availability factor

Description : Availability factor

Last Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

Discuss how power factor tariff results into energy conservation.

Description : Discuss how power factor tariff results into energy conservation.

Last Answer : Power factor tariff results into energy conservation: i) Applying incentives and penalties according to power factor is an effective way, which enables consumer to improve power factor so that he can ... finally leads to reduction in the current drawn by the load and helps for energy conservation.

Draw and explain bulk correction method for power factor & control.

Description : Draw and explain bulk correction method for power factor & control.

Last Answer : Bulk correction method for power factor & control: i) Here individual starter controls the capacitors located at distribution panel. ii) Centralized compensation is employed in large industrial plants where many ... capacitor units in steps to maintain P.F. more than preset limit (0.95). 

State the incentives and penalties related with power factor tariff.

Description : State the incentives and penalties related with power factor tariff.

Last Answer : Incentives and penalties related with power factor tariff: In addition to basic tariff (Maximum Demand Tariff / KVA Maximum Demand Tariff / Load factor tariff) the tariff in which P.F. of ... industrial consumer/H.T/ commercial consumers with contract demand above 80 kw/ 100Kva/107 hp consumer.

With a neat sketch explain working of 1 phase dynamometer type power factor meter.

Description : With a neat sketch explain working of 1 phase dynamometer type power factor meter.

Last Answer : Working of 1 phase dynamometer type power factor meter : The current coil is connected in series with load. Two pressure coils marked as A and B are connected across the supply terminals ... becomes stationary and the pointer shows steady deflection corresponding to the power factor of the load. 

State the significance of power factor.

Description : State the significance of power factor.

Last Answer : Significance of power factor:-  1. Cosine of angle between voltage & current in a circuit is called power factor. 2. It is a measure of the real power in a circuit. 3. Inductive & ... KVA rating equipment 5. Greater conductor size 6. CosØ = R/Z  CosØ= Active Power/ Apparent Power 

Define ripple factor and PIV of diode.

Description : Define ripple factor and PIV of diode.

Last Answer : 1. Ripple factor: It is define as ratio of R.M.S. value of AC component to the DC component in the output.  2. PIV : It is maximum reverse voltage that diode can withstand without destroying junction.

Define form factor and peak factor.

Description : 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.

The following formula is correct: (A) Diversity factor =1 / Coincidence Factor (B) Diversity factor =1 x

Description : The following formula is correct:  (A) Diversity factor =1 / Coincidence Factor  (B) Diversity factor =1 x Coincidence Factor  (C) Diversity factor =1 - Coincidence Factor  (D) All of the above

Last Answer : The following formula is correct:  (A) Diversity factor =1 / Coincidence Factor  (B) Diversity factor =1 x Coincidence Factor  (C) Diversity factor =1 - Coincidence Factor  (D) All of the above

A control system having unit damping factor will give

Description : A control system having unit damping factor will give  (1) Oscillatory response (2) Undamped response (3) Critically damped response (4) No response

Last Answer : 1

Load factor is the

Description : 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. 

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

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

Last Answer : 0

The knowledge of diversity factor helps in computing

Description : The knowledge of diversity factor helps in computing  (1) Plant capacity (2) Average load (3) Units (kWh) generated (4) Peak demand

Last Answer : The knowledge of diversity factor helps in computing Plant capacity

The load duration curve for unity load factor will be of

Description : 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

The power factor of dielectric :

Description : The power factor of dielectric :  (A) is a function of temperature of the dielectric only (B) depends only on voltage stress to which the dielectric is stressed (C) always constant (D) both (A) and (B)

Last Answer : The power factor of dielectric :  (A) is a function of temperature of the dielectric only (B) depends only on voltage stress to which the dielectric is stressed (C) always constant (D) both (A) and (B)

In a synchronous generator delivering lagging power factor load

Description : 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