Define capacity factor.

Define capacity factor.
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1 Answer

Answer :

It is the ratio of average demand to plant capacity
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Related questions

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.

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 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.

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.

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.

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 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 is the difference between base load and peak load?

Description : What is the difference between base load and peak load?

Last 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.

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 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 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 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 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.

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.

Define capacity factor.

Description : Define capacity factor. 

Last Answer : Capacity factor can be defined as net power produced by the plant divided by perfect net power that can be produced in the plant. Capacity factor = Net power produced / Perfect net power produced. 

What is capacitor? On what factor capacity of a capacitor depends?

Description : What is capacitor? On what factor capacity of a capacitor depends?

Last Answer : Capacitor or condenser is a device to store electrical energy and to release it into the circuit of which the capacitor forms a part. Capacity of a capacitor depends on following factors a. Capacity ... the distance is less the capacity more. c. It depends on the nature of dielectric constant. 

A generating station has a maximum demand of 50 Mw, a load factor of 60%, a plant capacity factor...

Description : A generating station has a maximum demand of 50 Mw, a load factor of 60%, a plant capacity factor of 45% and if the plant while running as per schedule, were fully loaded. The daily energy produced will be

Last Answer : A generating station has a maximum demand of 50 Mw, a load factor of 60%, a plant capacity factor of 45% and if the plant while running as per schedule, were fully loaded. The daily energy produced will be 720 MW.

Define the following terms:- Reliability, Maximum demand, Reserve-generating capacity, Availability (operational).

Description : Define the following terms:- Reliability, Maximum demand, Reserve-generating capacity, Availability (operational).

Last Answer : Reliability: It is the capacity of the power system to serve all power demands without failure over long periods. Maximum Demand: It is maximum load demand required in a power station during a given ... percentage of the time a unit is available to produce power whether needed by the system or not.

Define distribution factor or winding factor or breadth factor or spread factor

Description : Define distribution factor or winding factor or breadth factor or spread factor

Last Answer : The distribution factor is defined as the ratio of vector sum to arithmetic sum of emf induced in the conductor of one phase spread. OR It is ratio of resultant emf induced when coils are distributed to the resultant emf induced when coils are concentrated.

Define pitch factor or coil span factor.

Description : Define pitch factor or coil span factor.

Last Answer : The pitch factor is defined as the ratio of vector sum of emf induced in a coil to arithmetic sum of emf induced in the coil OR It is the ratio of resultant emf induced when coil is short pitch to the resultant emf induced when the coil is full pitched.

Define the following: Average demand, Maximum demand, Demand factor, Load factor.

Description : Define the following: Average demand, Maximum demand, Demand factor, Load factor.

Last Answer : Average Demand: the average power requirement during some specified period of time of considerable duration is called the average demand of installation. Maximum Demand: The maximum demand of an installation ... Load Factor: It is defined as the ratio of the average power to the maximum demand.

In accordance with Coast Guard Regulations (46 CFR), a steering gear feeder circuit from the emergency switchboard or alternate power supply must have the capacity for continuous operation of the rudder 15° side to side in not more than 60 seconds for a A. 1/4 hour B. 1/2 hour C. 1 hour D. 2 hours

Description : In accordance with Coast Guard Regulations (46 CFR), a steering gear feeder circuit from the emergency switchboard or alternate power supply must have the capacity for continuous operation of the rudder 15° side to side in not more than 60 seconds for a A. 1/4 hour B. 1/2 hour C. 1 hour D. 2 hours

Last Answer : Answer: B

According to Coast Guard Regulations (46 CFR), a battery installation must be in a room that is only for batteries or a box on deck. This would be termed a ____________. A. small installation B. moderate installation C. large installation D. high amp/hour capacity installation

Description : According to Coast Guard Regulations (46 CFR), a battery installation must be in a room that is only for batteries or a box on deck. This would be termed a ____________. A. small installation B. moderate installation C. large installation D. high amp/hour capacity installation

Last Answer : Answer: C

In accordance with Coast Guard Regulations (46 CFR), each battery operated relay-controlled lantern must _____________. A. be readily portable B. contain a dry cell battery having a minimum capacity of 10 amp hours C. have an automatic battery charger to maintain the battery in a fully charged state D. all of the above

Description : In accordance with Coast Guard Regulations (46 CFR), each battery operated relay-controlled lantern must _____________. A. be readily portable B. contain a dry cell battery having a minimum capacity of ... automatic battery charger to maintain the battery in a fully charged state D. all of the above

Last Answer : Answer: C

Which of the following precautions should be taken when a blown fuse, rated at 10 amperes, is replaced? A. Short out the fuse before removing it from the circuit. B. Use needle-nose pliers to remove fuse from the circuit. C. Replace blown fuse with one of equal voltage and ampere capacity. D. Fuses of 10 ampere rating and less are virtually harmless when energized and may be handled freely.

Description : Which of the following precautions should be taken when a blown fuse, rated at 10 amperes, is replaced? A. Short out the fuse before removing it from the circuit. B. Use needle-nose pliers to ... D. Fuses of 10 ampere rating and less are virtually harmless when energized and may be handled freely.

Last Answer : Answer: C

The graph shown in the illustration represents the speed droop curves of two equal capacity alternators about to be paralleled. When paralleled, the greater portion of the total load above 60% for each unit will be picked up _____________. EL-0025 A. by unit 'A' B. by unit 'B' C. equally by each unit D. none of the above

Description : The graph shown in the illustration represents the speed droop curves of two equal capacity alternators about to be paralleled. When paralleled, the greater portion of the total load above 60% for each unit will be picked up ... unit 'A' B. by unit 'B' C. equally by each unit D. none of the above

Last Answer : Answer: A

Diesel generators #1 and #2 are operating in parallel at near full load capacity. Diesel generator #1 suddenly trips out mechanically due to low lube oil pressure. The reverse power relay functions properly and trips generator #1 electrically off the bo A. Start the emergency generator. B. Ascertain cause of the low lube oil pressure. C. Strip the board of all nonvital circuits. D. Secure alarms, reset reverse power relay, and restart #1 engine.

Description : Diesel generators #1 and #2 are operating in parallel at near full load capacity. Diesel generator #1 suddenly trips out mechanically due to low lube oil pressure. The reverse power relay functions ... all nonvital circuits. D. Secure alarms, reset reverse power relay, and restart #1 engine.

Last Answer : Answer: C

When using a megohmmeter to determine which shunt field coil is grounded in a DC machine, you must ____________. A. insulate the field frame from the ship's hull B. disconnect each shunt field coil before testing C. use a motor driven high capacity megohmmeter D. remove all main line lead connections before testing

Description : When using a megohmmeter to determine which shunt field coil is grounded in a DC machine, you must ____________. A. insulate the field frame from the ship's hull B. disconnect each shunt ... C. use a motor driven high capacity megohmmeter D. remove all main line lead connections before testing

Last Answer : Answer: B

Sparking at the brushes of a running motor could be an indication of _____________. A. normal operation B. a dirty commutator C. increased brush capacity D. water vapor absorption

Description : Sparking at the brushes of a running motor could be an indication of _____________. A. normal operation B. a dirty commutator C. increased brush capacity D. water vapor absorption

Last Answer : Answer: B

Two AC generators of the same capacity are operating in parallel. One with a zero speed droop setting and the other with a 5% speed droop. If its capacity is not exceeded, the unit whose governor has the zero speed droop setting will _____________. A. assume the smaller share of the load B. maintain the frequency of the system C. have poor sensitivity characteristics D. have poor power response

Description : Two AC generators of the same capacity are operating in parallel. One with a zero speed droop setting and the other with a 5% speed droop. If its capacity is not exceeded, the unit whose ... B. maintain the frequency of the system C. have poor sensitivity characteristics D. have poor power response

Last Answer : Answer: B

In the illustration, the purpose of part B is to _________. EL-0033 A. increase resistance in series with the contacts as they close to prevent arcing B. create a magnetic field in the steel plates that interacts with the arc to cool and extinguish the arc C. cause the contacts to open in the event of an overload D. provide ventilation to the contact when the breaker is close to rated capacity

Description : In the illustration, the purpose of part B is to _________. EL-0033 A. increase resistance in series with the contacts as they close to prevent arcing B. create a magnetic field in the steel ... event of an overload D. provide ventilation to the contact when the breaker is close to rated capacity

Last Answer : Answer: B

Periodic testing of circuit breakers is necessary to assure that a correctly rated and properly installed unit _________________. A. can trip faster as it increases in age B. will continue to provide the original degree of protection C. does not exceed its interrupting capacity D. be able to withstand at least 125% of applied voltage

Description : Periodic testing of circuit breakers is necessary to assure that a correctly rated and properly installed unit _________________. A. can trip faster as it increases in age B. will continue to provide ... not exceed its interrupting capacity D. be able to withstand at least 125% of applied voltage

Last Answer : Answer: B

Under which of the following conditions will a lead-acid battery be given a 'test discharge'? A. To determine its capacity. B. Whenever a cell cannot be brought within 10 points of full charge specific gravity. C. When one or more cells is found to have less than normal voltage after an equalizing charge. D. All of the above.

Description : Under which of the following conditions will a lead-acid battery be given a 'test discharge'? A. To determine its capacity. B. Whenever a cell cannot be brought within 10 points of full charge ... cells is found to have less than normal voltage after an equalizing charge. D. All of the above.

Last Answer : Answer: D

The capacity of a storage battery is measured in ______________. A. volts B. ampere-hours C. farads D. amps

Description : The capacity of a storage battery is measured in ______________. A. volts B. ampere-hours C. farads D. amps

Last Answer : Answer: B

The state of charge of a lead-acid battery is best indicated by the ____________. A. individual cell voltage B. ampere-hour capacity C. electrolyte specific gravity D. total cell voltage

Description : The state of charge of a lead-acid battery is best indicated by the ____________. A. individual cell voltage B. ampere-hour capacity C. electrolyte specific gravity D. total cell voltage

Last Answer : Answer: C

Reduced voltage applied to a motor during the starting period will _____________. A. result in decreased acceleration time only B. lower the starting current and increase accelerating time C. cause a greater starting torque D. increase the starting current and pump capacity

Description : Reduced voltage applied to a motor during the starting period will _____________. A. result in decreased acceleration time only B. lower the starting current and increase accelerating time C. cause a greater starting torque D. increase the starting current and pump capacity

Last Answer : Answer: B

Batteries used for diesel engine starting should __________. A. be located in a locker on the weather deck B. be located as close as possible to the engine C. have sufficient capacity to provide at least 50 starts consecutively without recharging D. only be of the nickel alkaline type

Description : Batteries used for diesel engine starting should __________. A. be located in a locker on the weather deck B. be located as close as possible to the engine C. have sufficient capacity to provide at least 50 starts consecutively without recharging D. only be of the nickel alkaline type

Last Answer : Answer: B

Fuses are rated in _____________. A. voltage B. amperage C. interrupting capacity D. all the above

Description : Fuses are rated in _____________. A. voltage B. amperage C. interrupting capacity D. all the above

Last Answer : Answer: D

When charging lead-acid batteries, you should reduce the charging rate as the battery nears its full charge capacity to ______________. A. prevent excessive gassing and overheating B. allow equalization of cell voltages C. reduce lead sulfate deposits D. increase lead peroxide formation

Description : When charging lead-acid batteries, you should reduce the charging rate as the battery nears its full charge capacity to ______________. A. prevent excessive gassing and overheating B. allow equalization of cell voltages C. reduce lead sulfate deposits D. increase lead peroxide formation

Last Answer : Answer: A

The state of charge of a lead acid storage battery is best indicated by the _____________. A. testing of the individual cell voltages B. ampere hour capacity of the battery C. specific gravity of the electrolyte D. total cell voltages

Description : The state of charge of a lead acid storage battery is best indicated by the _____________. A. testing of the individual cell voltages B. ampere hour capacity of the battery C. specific gravity of the electrolyte D. total cell voltages

Last Answer : Answer: C

When choosing a battery for a particular application, major consideration should be given to the battery's ____________. A. amp-hour capacity B. terminal polarity C. stability under charge D. ambient temperature rise

Description : When choosing a battery for a particular application, major consideration should be given to the battery's ____________. A. amp-hour capacity B. terminal polarity C. stability under charge D. ambient temperature rise

Last Answer : Answer: A

What is the capacity of CPU of Remote Terminal Unit (RTU)?

Description : What is the capacity of CPU of Remote Terminal Unit (RTU)?

Last Answer : Remote Terminal Units (RTUs) contain generally microprocessor having 16 bit or 32 bit (eg: 68302 or 80386)

Why battery capacity limits to 20 minute?

Description : Why battery capacity limits to 20 minute?

Last Answer : Battery cost is more. It is better to restore class 3 faster by DG set then putting large battery. 20 min, is enough to shutdown the unit safely. 

What is the making current capacity of a 3-phase breaker as derived from its symmetrical breaker capacity?

Description : What is the making current capacity of a 3-phase breaker as derived from its symmetrical breaker capacity? 

Last Answer : Making capacity = 2.55 times symmetrical breaking capacity.  

How battery capacity is expressed?

Description : How battery capacity is expressed?

Last Answer : Always battery capacity is expressed in Ampere – hour.