# Approximate estimation of power demand can be made by?

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

## Related questions

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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.

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

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Last Answer : More than 100%

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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.

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

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Description : What are the criteria for selection of site for hydroelectric power plant?

Last Answer : Following Factors to be kept while site selecting for Hydro power plant:  1. It should be located where high rain fall occurs. 2. A large catchments area must be available to store water. 3. It ... 12. Cost of land should be less. 13. Skilled and unskilled man power should be available nearby.

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Description : Explain the function of different parts of a typical nuclear power plant with neat sketch.

Last Answer : Functions of each part of Nuclear power plant:-  1) Nuclear Reactor: In nuclear reactor the fuel rod of U235 is placed through which tremendous amount of heat energy is ... is mechanically coupled with steam turbine. 8) Alternator: It converts mechanical energy into electrical energy.

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Description : With a neat diagram explain pumped storage hydro power plant.

Last Answer : Diagram of pumped storage hydro power plant: Explanation: In this power plant, generator is so designed that it Converts mechanical power into electrical power and also works as a ... helps in reducing a reserve capacity of PP as it provides additional power during peak load period.

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Description : Draw a layout of a thermo-chemical based power plant.

Last Answer : Layout of a thermo-chemical based power plant:  In this process dry biomass fuels converted to produce gas ,liquid fuels or oil by thermo chemical conversion Thermo-Chemical conversion are of following ways:- 1. Direct combustion 2. Gasification 3. Pyrolysis

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Description : With a neat diagram explain solar photovoltaic power plant.

Last Answer : Diagram of solar photovoltaic power plant :  Explanation:  Solar power plant consists of following components:  1. Photovoltaic cell panel: Its function is to convert sunrays directly into DC ... .  5. Step-up transformer: It step-up input voltage to utilization voltage e.g. 230V

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Description : 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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Last Answer : Diagram explain solar power tower : All concentrating solar thermal power (STP) basic elements: Concentrator Receiver Transport-storage (a portion of the thermal energy ... with alternator which converts mechanical power to electrical energy Exhaust steam is condensate in condenser

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Last Answer : Because of following advantages concentrating type collector are used in solar power plant: -  1. Temperature: Temperature obtained is high because absorber area is less and collector/reflector area ... results: As tracking system is used better results are obtain than flat type collector.

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Description : List the types of turbine used in hydro power plant.

Last Answer : Following types of turbine used in hydro power plant:  1.Pelton wheel 2.Francis Turbine 3.Kaplan Turbine 4.Propeller Turbine

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Description : Power generation cost reduces as (A) Diversity factor increases and load factor decreases. (B) Diversity factor decreases and load factor increases. (C) Both diversity factor and load factor increase. (D) Both diversity factor and load factor decrease

Last Answer : Power generation cost reduces as Both diversity factor and load factor increase.

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Description : The overall efficiency of Thermal Power Plant is equal to _______________ .  (A) Regenerative Cycle Efficiency (B) Renkine Cycle Efficiency (C) Carnot cycle efficiency (D) None of the above

Last Answer : The overall efficiency of Thermal Power Plant is equal to Regenerative Cycle Efficiency.

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Description : In a thermal power plant, ash is collected in

Last Answer : In a thermal power plant, ash is collected in hoppers or bunkers

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Description : The rankine cycle efficiency of steam power plant is  (1) 60-80% (3) 30-45% (2) 45-80% (4) 20-30%

Last Answer : The rankine cycle efficiency of steam power plant is 30-45%

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

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Last Answer : In a distribution system, in order to improve power factor, the synchronous capacitors are installed at the receiving end.

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Last Answer : For a consumer the most economical power factor is generally 0.95 lagging .

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Last Answer : The primary reason for low power factor is supply system is due to installation of induction motors.

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Last Answer : By  use  of  thermocouple.

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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.

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Last Answer : Annual operating expenditure of a power plant consists of fixed charges, semi-fixed charges, running charges.

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

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Description : Can a synchronous condenser improve power factor?

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

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Description : What is the maximum value of power factor?

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

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Description : Active power and apparent power are represented by?

Last Answer : Active power and apparent power are represented by kW and kVA.

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

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Description : What is the largest power plant in the world?

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Description : How many watts does a power plant produce?

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Description : What is the most common type of power plant?

Last Answer : Hydroelectric  power  plant.

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Description : What are the types of power generation?

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Description : How much electricity is produced by a power plant?

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Description : What is the power generation?

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Last Answer : Hydroelectric power plant is expected to have the longest life.

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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

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Description : An approximate estimation of total dissolved solids of a given water sample is often made by measuring (a) Electrical conductivity of the water sample (b) Electro-magnetic conductivity of the water sample (c) Sound conductivity of the water sample (d) Thermal conductivity of the water sample

Last Answer : (a) Electrical conductivity of the water sample

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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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Description : A generating station has a maximum demand of 500 MW. The annual load factor is 50 percent. The energy generated per annum will be: A) 2.19 x 106 MWhr B) 600 MWhr C) 250 MWhr D) 7.50 x 106 MWhr

Last Answer : A generating station has a maximum demand of 500 MW. The annual load factor is 50 percent. The energy generated per annum will be: 2.19 x 106 MWhr

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Description : Do you think the worst when the power is off?

Last Answer : Power is a big deal here, especially in winter. At various times power has been out for weeks and is very dangerous.

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Description : Would a priority system for each households power help a power grid?

Last Answer : I’d make freezer and fridge number 1 and internet number 2. My bathroom has a window so it’s not as big of a deal.I also keep lots of LED flashlights handy just in case of power failure. Not perfect, but it works

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Description : What is the priority for home power?

Last Answer : The unit is set to come on automatically when regular power is cut.

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Description : Where is the nearest nuclear power station to where you live?

Last Answer : There are a few nearby. If a Fukushima like event happened I would have to leave permanently.

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Description : When the truth becomes not "power", as the saying goes, but a burden, what do you do?

Last Answer : You denounce it as “fake news”.