What is the difference between base load and peak load?

What is the difference between base load and peak load?
by

1 Answer

Answer :

The unvarying load which occurs almost the whole day is known as base load.  The various demands of load over and above the base load is the peak load.
by

Related questions

What is mean by base load?

Description : What is mean by base load?

Last Answer : The unvarying load which occurs almost the whole day on the station is known as base load.

Write the significance of load factor?

Description : Write the significance of load factor?

Last Answer : Higher load factor means greater average load, resulting in greater number of units generated for a given maximum demand. Thus, the standing charges, which are proportional to maximum demand ... units supplied and therefore overall cost per unit of electrical energy generated will be reduced.

Write short note on load duration curve?

Description : Write short note on load duration curve?

Last Answer : When the load elements of a load curve are arranged in the order of descending magnitudes, the curve thus obtained is called load duration curve. The load curve is obtained from the same data as ... the values of load factor and diversity factor, lower will be the overall cost per unit generated.

What is load curve?

Description : What is load curve?

Last Answer : The curve showing the variation of load on the power station with reference to time is known as a load curve.

Define load factor.

Description : Define load factor.

Last Answer : Load factor is the ratio of average demand to the maximum demand during a certain period of time and is applicable to both generating equipment and receiving equipment. Load factor = Average demand/Maximum demand

What is three part tariff?

Description : What is three part tariff?

Last Answer : The total charge comprised of fixed charge made during billing period, charge per kW of maximum demand and charge per kWh of energy consumed.

What are the important types of power factor tariff?

Description : What are the important types of power factor tariff?

Last Answer : (i) kVA maximum demand tariff (ii) sliding rate tariff (iii) kWh and kVAR tariff

What is plant use factor?

Description : What is plant use factor?

Last Answer : It is defined as the ratio of kwh generated to the product of plant capacity and number of hours for which the plant is in operation.

Define capacity factor.

Description : Define capacity factor.

Last Answer : It is the ratio of average demand to plant capacity

What are the important points to be taken into consideration while selecting the size and number of units?

Description : What are the important points to be taken into consideration while selecting the size and number of units?

Last Answer : variable demands from time to time. The nature of these demands can be seen from the load curve. The load variation is greater with a poorer load factor. units is per decided from the annual ... be a spare generating unit so that repairs and overhauling of the working units can be carried out.

What are the causes of low power factor?

Description : What are the causes of low power factor?

Last Answer : The following are the causes of low power factor otors are of induction type which have low lagging power factor. These motors work at a power factor which is extremely small on light load 0 ... KW of all electrical devices installed at the consumer's premises and connected to the supply system.

Define energy audit.

Description : Define energy audit.

Last Answer : Energy Audit means studying the energy consumption pattern in the utilities or equipments by obtaining necessary data analyse the same to identify the areas where wastages or loses occur and suggest ... avoid wastages or loss and also other consumption measures to ensure efficient use of energy.

What are the objectives of tariff?

Description : What are the objectives of tariff?

Last Answer : Electrical energy is sold at such a rate so that it not only returns the cost but also earns reasonable profit. Therefore, a tariff must cover the following items: transmitting and distributing equipment. equipment. costs etc.

What are the methods for determining depreciation charges?

Description : What are the methods for determining depreciation charges?

Last Answer : The decrease in the value of the power plant equipment and building due to constant use is known as depreciation. The cost of depreciation will depend on the size and type of equipment ... equals the cost of equipment. The methods commonly used for determination of annual depreciation charges are

What do you mean by utilization factor?

Description : What do you mean by utilization factor?

Last Answer : It is a measure of the utility of the power plant capacity and is the ratio of maximum demand to the rated capacity of the power plant. It is always less than unity. Utilization factor = Maximum ... exceeds unity, it means that the load has been carried in excess of rated capacity of the plant.

Define diversity factor.

Description : Define diversity factor.

Last Answer : Diversity factor is defined as the state of being dissimilar to one another. It is defined as the ratio of sum of the maximum demands of individual consuming units in a group during a specified period ... than one. If the diversity factor is higher, the cost per unit of generation will be lesser.

Explain the term depreciation.

Description : Explain the term depreciation.

Last Answer : The decrease in the value of the power plant equipment and building due to constant use is known as depreciation. In practice, every power station has a useful life ranging from fifteen to thirty years ... of the plant. This reduction in the value of plant every year is known as annual depreciation.

What do you mean by Economics of power generation?

Description : What do you mean by Economics of power generation?

Last Answer : The art of determining the per unit i.e. one KWh cost of production of electrical energy is known as Economics of power generation.

What are the base load and peak load power stations?

Description : What are the base load and peak load power stations?  

Last Answer : During certain periods the load demands are very high. Example the morning when all factories operate. During these time certain power plants like thermal plants gives this extra power required. ... easily stopped or restated. Nuclear power station comes under Base load power station category.  

Compare base load plant with peak load plant.

Description : 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. 

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

Description : 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.

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

Description : 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.

If it was 30 Celsius at the base of Mount Chimborazo about how cold would it be at the peak?

Description : If it was 30 Celsius at the base of Mount Chimborazo about how cold would it be at the peak?

Last Answer : -9 degrees celsius

The peak of a 4 hour flood hydrograph is 240 m3 /sec. If the rainfall excess is 80 mm and base flow which is constant is 40 m3 /sec, peak of 4hours unit hydrograph will be (A) 20 m3 /sec (B) 25 m3 /sec (C) 30 m3 /sec (D) 35 m3 /sec

Description : The peak of a 4 hour flood hydrograph is 240 m3 /sec. If the rainfall excess is 80 mm and base flow which is constant is 40 m3 /sec, peak of 4hours unit hydrograph will be (A) 20 m3 /sec (B) 25 m3 /sec (C) 30 m3 /sec (D) 35 m3 /sec

Last Answer : Answer: Option B

Which of the following statements is incorrect ? (a) Lightning arrestors are used before the switchgear (b) Shunt reactors are used as compensation reactors (c) The peak short current is (1.8 xV2) times the A.C. component (d) The MVA at fault is equal to base MVA divided by per unit equivalent fault reactance

Description : Which of the following statements is incorrect ? (a) Lightning arrestors are used before the switchgear (b) Shunt reactors are used as compensation reactors (c) The peak short current is (1.8 xV2) ... component (d) The MVA at fault is equal to base MVA divided by per unit equivalent fault reactance

Last Answer : (a) Lightning arrestors are used before the switchgear

The base peak in mass spectrum is? A. The lowest mass peak B. The peak corresponding to the parent ion C. The highest mass peak D. The peak set to 100% relative intensity

Description : The base peak in mass spectrum is? A. The lowest mass peak B. The peak corresponding to the parent ion C. The highest mass peak D. The peak set to 100% relative intensity

Last Answer : The peak set to 100% relative intensity

What is peak load ?

Description : What is peak load ?

Last Answer : The maximum load of a plant or customer is called peak load.

What are two common concerns in a cloud environment? (Choose two.) A. Inability to use proxy servers and load balancers. B. Not enough computing capacity during peak usage times. C. Illegal access to private data stored by applications in the cloud. D. Running out of storage space and network bandwidth at peak usage times. E. If two guest instances are running on the same host or on different hosts connected to the same physical ethernet, they should not be able to read or modify each other's network traffic.

Description : What are two common concerns in a cloud environment? (Choose two.) A. Inability to use proxy servers and load balancers. B. Not enough computing capacity during peak usage times. C. Illegal access ... same physical ethernet, they should not be able to read or modify each other's network traffic.

Last Answer : Illegal access to private data stored by applications in the cloud.If two guest instances are running on the same host or on different hosts connected to the same physical ethernet, they should not be able to read or modify each other's network traffic

What are two common concerns in a cloud environment? A. Inability to use proxy servers and load balancers. B. Not enough computing capacity during peak usage times. C. Illegal access to private data stored by applications in the cloud. D. Running out of storage space and network bandwidth at peak usage times.

Description : What are two common concerns in a cloud environment? A. Inability to use proxy servers and load balancers. B. Not enough computing capacity during peak usage times. C. Illegal access to private ... in the cloud. D. Running out of storage space and network bandwidth at peak usage times.

Last Answer : Illegal access to private data stored by applications in the cloud.

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

Description : 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

The following formula is correct: (A) Load factor=Average load for a period/ Peak load for the same period

Description : 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 : Otion A is correct as Load factor is the ratio of average load to the peak load in a given time interval. 

A power station supplies the peak load of 60 Mw, 40 MW and 70 MW to three localities...

Description : A power station supplies the peak load of 60 Mw, 40 MW and 70 MW to three localities. The annual load factor is 0.50 p.u. and the diversity factor of the load at the station is 1.55. The maximum demand on the station and average load respectively will be 

Last Answer : A power station supplies the peak load of 60 Mw, 40 MW and 70 MW to three localities. The annual load factor is 0.50 p.u. and the diversity factor of the load at the station is 1.55. The maximum demand on the station and average load respectively will be 103.2 MW, 51.61 .

D.C. motor is to drive a load which has certain minimum value for most of the time and some peak value...

Description : D.C. motor is to drive a load which has certain minimum value for most of the time and some peak value for short duration. We will select the?

Last Answer : DC motor mostly preferred is DC series motor becaus the load is continuous for a long time

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.

Most AC voltmeters are calibrated to indicate __________. A. peak-to-peak voltage B. root-mean-square voltage C. average voltage D. peak voltage only

Description : Most AC voltmeters are calibrated to indicate __________. A. peak-to-peak voltage B. root-mean-square voltage C. average voltage D. peak voltage only

Last Answer : Answer: B

AC voltmeters are generally calibrated to read the ________. A. instantaneous voltage B. average voltage C. RMS voltage D. peak voltage

Description : AC voltmeters are generally calibrated to read the ________. A. instantaneous voltage B. average voltage C. RMS voltage D. peak voltage

Last Answer : Answer: C

When voltage and current developed in an AC circuit reach their peak values at the same time, the power factor is _____________. A. lagging B. leading C. maximum D. minimum

Description : When voltage and current developed in an AC circuit reach their peak values at the same time, the power factor is _____________. A. lagging B. leading C. maximum D. minimum

Last Answer : Answer: C

When the voltage and the current developed in an AC circuit reach their peak values at the same time, the power factor is considered to be _____________. A. lagging B. leading C. unity D. infinity

Description : When the voltage and the current developed in an AC circuit reach their peak values at the same time, the power factor is considered to be _____________. A. lagging B. leading C. unity D. infinity

Last Answer : Answer: C

In the flow of one cycle of single phase AC current past any given point in a circuit, the maximum current peak occurs _____________. A. one time B. two times C. three times D. four times

Description : In the flow of one cycle of single phase AC current past any given point in a circuit, the maximum current peak occurs _____________. A. one time B. two times C. three times D. four times

Last Answer : Answer: B

Ammeters and voltmeters used in sinusoidal AC power systems indicate which of the following values of the waveforms measured? A. Peak value B. Root-mean-square value C. Average value D. Maximum value

Description : Ammeters and voltmeters used in sinusoidal AC power systems indicate which of the following values of the waveforms measured? A. Peak value B. Root-mean-square value C. Average value D. Maximum value

Last Answer : Answer: B

What is Resonant peak?

Description : What is Resonant peak?

Last Answer : Answer: Resonant peak is defined as the maximum value of the closed loop transfer function.A large resonant peak corresponds to large overshoot in the transient respose

What does the Voltmeter in AC mode show? Is it RMS value or peak value?

Description : What does the Voltmeter in AC mode show? Is it RMS value or peak value?

Last Answer : Multimeter in AC mode shows RMS value of the voltage or current. Also when it is DC mode it will show the RMS value only.

Amplitude or peak value

Description : Amplitude or peak value

Last Answer : Amplitude or peak value: The maximum value reached by a waveform.

What is the inrush current peak of the transformer?

Description : What is the inrush current peak of the transformer? 

Last Answer : 6 to 8 time that of full load current.  

What is crest factor or peak factor?

Description : What is crest factor or peak factor?

Last Answer : The ratio of maximum value to the R.M.S value is known as crest factor. So the crest factor = maximum value / R.M.S value. = Emax or Imax / (Emax or Imax / √2) = Emax or Imax * √2 / Emax or Imax = √2 = 1.414

What is amplitude value or peak value?

Description : What is amplitude value or peak value?

Last Answer : It is the maximum value of an alternating quantity that can be obtained in any one direction.

Which of the following actions can be carried out in order to prevent thermal runaway in a transistor? A. Increase the current through the collector-base junction. B. Install a heat sink. C. Shift the 'Q' point to increase collector current. D. Increase the potential difference between the emitter and the base.

Description : Which of the following actions can be carried out in order to prevent thermal runaway in a transistor? A. Increase the current through the collector-base junction. B. Install a heat sink. ... point to increase collector current. D. Increase the potential difference between the emitter and the base.

Last Answer : Answer: B

The rated temperature rise of an electric motor is the _____________. A. average temperature at any given latitude B. normal temperature rise above the standard ambient temperature at rated load C. average temperature rise due to resistance at 10% overload D. permissible difference in the ambient temperature of the motor due to existing weather conditions

Description : The rated temperature rise of an electric motor is the _____________. A. average temperature at any given latitude B. normal temperature rise above the standard ambient temperature at rated load ... D. permissible difference in the ambient temperature of the motor due to existing weather conditions

Last Answer : Answer: B

If ωmax is the frequency at which the peak amplitude occurs and ωn is the natural frequency of the system then In a forced vibration system with damping, the higher the damping, A) More will be the difference between ωn and ωmax B) Less will be the difference between ωn and ωmax C) The difference of ωn and ωmax is independent of damping in this system D) The difference between ωn and ωmax will be zero

Description : If ωmax is the frequency at which the peak amplitude occurs and ωn is the natural frequency of the system then In a forced vibration system with damping, the higher the damping, A) More will be ... and ωmax is independent of damping in this system D) The difference between ωn and ωmax will be zero

Last Answer : A) More will be the difference between ωn and ωmax

A man carrying a load on his back bends forward because of one of the following reasons: (a) To adjust the centre of gravity of the system such that the vertical line through the centre of gravity passes within the base (b) The man feels lighter because of greater reaction (c) To prevent the load from slipping over and falling down (d) To keep the centre of gravity of the system outside the body

Description : A man carrying a load on his back bends forward because of one of the following reasons: (a) To adjust the centre of gravity of the system such that the vertical line through the centre of gravity ... slipping over and falling down (d) To keep the centre of gravity of the system outside the body

Last Answer : Ans:(a)