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Useful power output per electrical power consumed
The efficiency of a system in electronics and electrical engineering is defined as useful power output divided by the total electrical power consumed (a
Electrical_efficiency
Ratio between the useful output and the input of a machine
more specific terms include Electrical efficiency, useful power output per electrical power consumed; Mechanical efficiency, where one form of mechanical
Energy_conversion_efficiency
Topics referred to by the same term
Energy efficiency may refer to: Energy efficiency (physics), the ratio between the useful output and input of an energy conversion process Electrical efficiency
Energy_efficiency
Electricity-induced chemical reaction
hydrogen from fossil fuels (e.g. steam reforming). Maximizing the electrical efficiency and minimizing the material cost of electrolysis is a key research
Electrolysis_of_water
Degree to which a process minimizes waste of resources
Greek lowercase letter η (Eta): Electrical efficiency Energy conversion efficiency Mechanical efficiency Thermal efficiency, ratio of work done to thermal
Efficiency
higher efficiency electrically powered motors. This article looks at the development of the premium efficiency standard (IE3) and premium efficiency motors
Premium_efficiency
Performance measure of a device that uses thermal energy
gasoline automobile engine operates at around 25% efficiency, and a large coal-fuelled electrical generating plant peaks at about 46%. However, advances
Thermal_efficiency
Applies an electric current to heat or cool materials
resistive heating, and shorter pillars, which will have a greater electrical efficiency but let more heat leak from the hot to cold side by thermal conduction
Thermoelectric_heat_pump
Percentage of energy converted into electricity
power plant efficiency. The heat rate is the inverse of the efficiency: a lower heat rate is better. Heat Rate = Thermal Energy In Electrical Energy Out
Power_plant_efficiency
Power supply with switching regulator
in the pass transistor. The switched-mode power supply's higher electrical efficiency is an important advantage. Switched-mode power supplies can also
Switched-mode_power_supply
Type of external power supply
Push for More Electrical Efficiency in PC's". New York Times. Retrieved 2011-06-03. Alter, Lloyd. "Google Pushes for PC Electrical Efficiency; Side Effect:
AC_adapter
Ratio of the output to input power of a machine
advantage Thermal efficiency Electrical efficiency Internal combustion engine Electric motor Velocity ratio "Mechanical efficiency". Encyclopedia Britannica
Mechanical_efficiency
Load measures the source's voltage without affecting it
power transfer theorem § Maximizing power transfer versus power efficiency, the efficiency η of delivering power to a purely restive load impedance of RL
Impedance_bridging
Type of AC motor
motor provides an efficient means of converting AC energy to work (electrical efficiency above 95% is normal for larger sizes) and it can operate at leading
Synchronous_motor
Device that transmits and receives radio waves
relative to the decreased radiation resistance, entail a reduced electrical efficiency, which can be of great concern for a transmitting antenna, but bandwidth
Antenna_(radio)
Technology for splitting water molecules
2021[update], the largest PEM electrolyzer is 20 MW. When determining the electrical efficiency of PEM electrolysis, the HHV can be used. This is because the catalyst
Proton exchange membrane electrolysis
Proton_exchange_membrane_electrolysis
25-500-kW internal combustion engine, typically Brayton cycle-type
thermal efficiency reaches 32.5% while the 360 kW (480 hp) non recuperated RGT3C is at 16.3%. Capstone Turbine claims a 33% LHV Electrical Efficiency for
Microturbine
Small-scale generation of heat and power
4% efficiency for electrical and 51% efficiency for waste heat recovery. Marathon Engine Systems, a Wisconsin company, produces a variable electrical and
Micro_combined_heat_and_power
Energy consumption labelling scheme
gives an idea of the appliance's electrical consumption relative to what is available on the market Consumption, efficiency, capacity, etc.: this section
European_Union_energy_label
Phenomena related to electric charge
other forms of energy with high efficiency. Electronics deals with electrical circuits that involve active electrical components such as vacuum tubes
Electricity
Constructed heat and power generation facility
conversion efficiency of 25% to 44% of the fuel's total heat of combustion). BHPPs using fuel cells may achieve an electrical efficiency of 55% to 60%
Block_heat_and_power_plant
Measure of the opposition to current flow by an external electrical load
often used to evaluate the electrical efficiency of networks by breaking them up into multiple stages and evaluating the efficiency of the interaction between
Input_impedance
Device that converts the chemical energy from a fuel into electricity
8 MW systems that achieve 47% electrical efficiency and can utilize CHP technology to obtain higher overall efficiencies. One product, the DFC-ERG, is
Fuel_cell
Machine that washes clothes
Centrifugation Laundry Clothes dryer Washer-dryer Detergent Drying cabinet Electrical efficiency Home appliance Ironing Laundry detergent Laundry symbol Laundry-folding
Washing_machine
Subfields of building design and construction
engineers designing the electrical and plumbing systems for a building. A major concern for people designing HVAC systems is the efficiency, i.e., the consumption
Mechanical, electrical, and plumbing
Mechanical,_electrical,_and_plumbing
Ratio of energy extracted from sunlight in solar cells
Solar-cell efficiency is the portion of energy in the form of sunlight that can be converted via photovoltaics into electricity by the solar cell. The
Solar-cell_efficiency
Machine that converts electrical energy into mechanical energy
also dissipate heat. To calculate a motor's efficiency, the mechanical output power is divided by the electrical input power: η = P m P e {\displaystyle \eta
Electric_motor
Steerable propulsion pod under a watercraft
drilling rigs and drillships. Primary advantages are maneuverability, electrical efficiency, better use of ship space, and lower maintenance costs.[citation
Azimuth_thruster
Energy conversion in optics
In optics, wall-plug efficiency or radiant efficiency is the energy conversion efficiency with which the system converts electrical power into radiant flux
Wall-plug_efficiency
Rate at which electrical energy is transferred by an electric circuit
Electric power is the rate of transfer of electrical energy within a circuit. Its SI unit is the watt, the general unit of power, defined as one joule
Electric_power
Family of electrical connectors
for 380 V DC electric power distribution, as a way of improving electrical efficiency. DC power distribution has resulted in the need to standardize a
Anderson_Powerpole
Power-producing component of an electric machine
copper or aluminum. Copper armature wiring enhances electrical efficiencies due to its higher electrical conductivity. Aluminum armature wiring is lighter
Armature_(electrical)
American inventor
extremely thin layer of gold. The resulting cells had a conversion electrical efficiency of about 1% owing to the properties of selenium given the material's
Charles_Fritts
Coated wire for construction of coils
reduction of heat losses due to the electrical resistance of conductors. To improve the electrical energy efficiency of induction-type motors, load loss
Magnet_wire
Telecommunications performance metric
antenna which is actually delivered as an electrical signal. It is not to be confused with antenna efficiency, which applies to aperture antennas such
Radiation_efficiency
Longwave and mediumwave radio transmitter in England
The units use a form of pulse width modulation to give an overall electrical efficiency approaching 70%. BBC Radio 4 is transmitted on 198 kHz long wave
Droitwich Transmitting Station
Droitwich_Transmitting_Station
Devices generating electricity from radioisotope decay
ends to the cold ends. Metal thermocouples have low thermal-to-electrical efficiency. However, the carrier density and charge can be adjusted in semiconductor
Atomic_battery
Economic theory
used then the overall efficiency can be significantly increased beyond electrical efficiency. For example, an overall efficiency of 86% can be reached
Methanol_economy
Electrothermal thruster in development
50 kW VX-50 showed the electrical efficiency to be 59% based on a 90% coupling efficiency and a 65% ion speed boosting efficiency.[failed verification]
Variable Specific Impulse Magnetoplasma Rocket
Variable_Specific_Impulse_Magnetoplasma_Rocket
Form of thermal efficiency
otherwise be lost to heat during braking is recaptured as electrical power to improve fuel efficiency. The larger batteries in these vehicles power the car's
Fuel_efficiency
Work done divided by heat provided
Engine efficiency of thermal engines is the relationship between the total energy contained in the fuel, and the amount of energy used to perform useful
Engine_efficiency
Electronic hardware trend
Henry (March 29, 2010), "Implications of Historical Trends in the Electrical Efficiency of Computing", IEEE Annals of the History of Computing, 33 (3):
Koomey's_law
Type of internal and continuous combustion engine
have around 15% efficiencies without a recuperator, or 20 to 30% with one, and they can reach 85% combined thermal–electrical efficiency in cogeneration
Gas-turbine_engine
Electrolysis method
been made that there is a possibility it can result in a higher electrical efficiency in comparison to DC water electrolysis, but past research has shown
Pulse_electrolysis
Assembly of photovoltaic cells used to generate electricity
and module efficiency (%). Open-circuit voltage or VOC is the maximum voltage the module can produce when not connected to an electrical circuit or system
Solar_panel
Power station in Denmark
Avedøre unit 2 has an electrical efficiency of 49%, which makes it one of the world's most efficient. This record high efficiency is obtained when the
Avedøre_Power_Station
Thermodynamic process that uses energy sources to heat water
generator. Losses on the electrical grid (including line losses and voltage transformation losses) reduce electrical efficiency further. According to data
Water_heating
Type of electrodeless gas-discharge lamp
merit the National Electrical Manufacturers Association has defined to help address problems with lighting manufacturers' efficiency claims and is designed
Plasma_lamp
Industrial production of molecular hydrogen
current best processes for water electrolysis have an effective electrical efficiency of 70-80%, so that producing 1 kg of hydrogen (which has a specific
Hydrogen_production
Aluminium smelting process
within the cell is maintained via electrical resistance. Oxidation of the carbon anode increases the electrical efficiency at a cost of consuming the carbon
Hall–Héroult_process
Measure of energy loss in storage systems
Roundtrip efficiency is a key performance metric for an energy storage system (ESS) that characterizes the loss energy during a full cycle of charge and
Roundtrip_efficiency
Cooling output divided by electricity input, as a standard for HVAC systems
10/h The energy efficiency ratio (EER) of a particular cooling device is the ratio of output cooling energy (in BTUs) to input electrical energy (in watt-hours)
Seasonal energy efficiency ratio
Seasonal_energy_efficiency_ratio
Device put on or in the ears that plays sound
is a sound transducer design primarily intended to increase the electrical efficiency of the element by eliminating the stress on the diaphragm characteristic
Headphones
Engine in which fuel combusts with an oxidizer
General Electric 7HA and 9HA turbine combined cycle electrical plants are rated at over 61% efficiency. A gas turbine is a rotary machine somewhat similar
Internal_combustion_engine
Lamp with integrated touch switch
and commercial models were available by 1955. However, due to low electrical efficiency and high price of the vacuum tube-based product, the concept was
Touch-sensitive_lamp
Maximum theoretical efficiency of a solar cell
physics, the radiative efficiency limit (also known as the detailed balance limit, Shockley–Queisser limit, Shockley–Queisser efficiency limit or SQ limit)
Shockley–Queisser_limit
Worldwide consumption of electricity
During operation, some part of the energy is lost depending on the electrical efficiency. Electricity has been generated in power stations since 1882. The
Electric_energy_consumption
Device that converts heat flux into electrical energy
heat into additional electrical power and in automobiles as automotive thermoelectric generators (ATGs) to increase fuel efficiency. Radioisotope thermoelectric
Thermoelectric_generator
Discarded electronic devices (E-Waste)
waste (E-Waste) describes discarded electrical or electronic devices. It is also commonly known as waste electrical and electronic equipment (WEEE) or
Electronic_waste
Electric light bulb with a resistively heated wire filament
(luminous flux) to the electrical power consumed. Luminous efficacy is measured in lumens per watt (lm/W). The luminous efficiency of a source is defined
Incandescent_light_bulb
Device used to produce electricity from light
electrical conductance such as indium tin oxide, conducting polymers, or conducting nanowire networks are used for the purpose. Solar cell efficiency
Solar_cell
State of matter
overpotentials found in other electrolysers, thereby improving the electrical efficiency of the production of oxygen and hydrogen. Increased temperature
Supercritical_fluid
Electrical energy efficiency on United States farms covers the use of electricity on farms and the methods and incentives for improving the efficiency
Electrical energy efficiency on United States farms
Electrical_energy_efficiency_on_United_States_farms
Type of furnace
the slag to foam, allowing greater thermal efficiency, and better arc stability and electrical efficiency. The slag blanket also covers the arcs, preventing
Electric_arc_furnace
Early 2010s fusion energy effort
elements, simplified maintenance, and diode lasers with higher electrical efficiency. Two designs were considered, operated as either a pure fusion or
Laser_Inertial_Fusion_Energy
History of semiconductor light source
bulbs, this is a huge increase in electrical efficiency (not realized in cold climates when making use of electrical heating other than by heat-pumps,
History_of_the_LED
Type of radio antenna
of the antenna on the individual bands and reduce the antenna's electrical efficiency and subject the antenna to additional mechanical considerations
Yagi–Uda_antenna
Type of fuel cell
fuel cells operate between ambient temperature and 90 °C with an electrical efficiency higher than fuel cells with acidic electrolyte, such as proton-exchange
Alkaline_fuel_cell
Distance traveled by a vehicle compared to volume of fuel consumed
reduces efficiency. More modern systems use electrical fans to draw additional air through the radiator when extra cooling is required. Electrical systems
Fuel_economy_in_automobiles
Technology used in concentrated solar power stations
for the highest efficiency of any thermal conversion system in converting solar energy to electrical power (although the record efficiency of photovoltaic
Solar-powered_Stirling_engine
Amount of heat released by combustion of a quantity of substance
temperature Cost of electricity by source Electrical efficiency Energy content of fuel Energy conversion efficiency Energy density Energy value of coal Exothermic
Heat_of_combustion
Austrian engine manufacturer
efficient gas engine available with an electrical efficiency of 48.7%, and a combined heat and power thermal efficiency of over 90%. The J920 uses Miller cycle
Jenbacher
Process in which electrical energy is converted to heat
strict. The efficiency of any system depends on the definition of the boundaries of the system. For an electrical energy customer the efficiency of electric
Electric_heating
Discussing what form of transport is the most fuel efficient and economical
such energy is presented in liquid fuels, electrical energy or food energy. The inverse of the energy efficiency in transport is the energy consumption in
Energy efficiency in transport
Energy_efficiency_in_transport
Chemical process
wavelengths, continued technological advances, have allowed for improved electrical efficiency of UV LEDs as well as significant increases in output. Benefiting
UV_curing
Iron alloy optimized for magnetic properties
Electrical steel (E-steel, lamination steel, silicon electrical steel, silicon steel, relay steel, transformer steel) is speciality steel used in the
Electrical_steel
Simultaneous generation of electricity and useful heat
generator running at lower output temperature and higher efficiency. Typically for every unit of electrical power lost, then about 6 units of heat are made available
Cogeneration
Property of photosensitive devices
The quantum efficiency (QE) of a photodetector is a measure of its electrical response to light. Another name for it is incident photon to converted electron
Quantum_efficiency
System that converts heat or thermal energy to mechanical work
engine is a system that transfers thermal energy to do mechanical or electrical work. While originally conceived in the context of mechanical energy,
Heat_engine
Low resistance electrical conductor for high current transmission and distribution
material, such as plastic or (in older systems) electrical tape. The structural integrity and electrical efficiency of these interleaved busbars depend heavily
Bus_duct
Theoretical gross margin of a gas-fired power plant
in MU/MWh pG as price of natural gas in MU/MWh or MU/Btu ηel as electrical efficiency resp. HR as heat rate in Btu/MWh While the above equations may be
Spark_spread
Type of chromatography
which keep the filament cool and maintain uniform resistivity and electrical efficiency of the filament. When analyte molecules elute from the column, mixed
Gas_chromatography
Type of electrical conductor
Lighter than pure copper Greater electrical efficiency when sized per NEC 310.16 Higher strength than aluminium Electrical connections and terminations are
Copper-clad_aluminium_wire
Technology of indoor and vehicular environmental comfort
filtration, and humidity control. HVAC design considerations include energy efficiency, indoor air quality, maintenance, and environmental impact, particularly
Heating, ventilation, and air conditioning
Heating,_ventilation,_and_air_conditioning
Indian electric appliances company
Bajaj Electricals Ltd. is an Indian consumer electrical equipment manufacturing company based in Mumbai, Maharashtra. It is a part of the ₹380 billion
Bajaj_Electricals
Type of AC electric motor
Input Electrical Power {\displaystyle \eta ={\frac {\text{Output Mechanical Power}}{\text{Input Electrical Power}}}} Full-load motor efficiency ranges
Induction_motor
Consumption of energy by electrical devices while switched off or in standby mode
the need not to waste energy, more attention is being paid to the electrical efficiency of devices (fraction of power consumed that achieves functionality
Standby_power
Magnetohydrodynamic converter that transforms thermal and kinetic energy into electricity
thermodynamic efficiency of any electrical generation method. MHD has been developed for use in combined cycle power plants to increase the efficiency of electric
Magnetohydrodynamic_generator
Power supply with electrochemical cells
automobiles, this is somewhat offset by the higher efficiency of electric motors in converting electrical energy to mechanical work, compared to combustion
Electric_battery
and Henry Wong. 2011. Implications of Historical Trends in the Electrical Efficiency of Computing. IEEE Annals of the History of Computing. vol. 33,
Jonathan_Koomey
Solar energy technology
overall efficiency and better utilization of the solar spectrum than conventional PV modules. Photovoltaic cells typically reach an electrical efficiency between
Photovoltaic thermal hybrid solar collector
Photovoltaic_thermal_hybrid_solar_collector
Electrical transmission without physical connection
Efficiency: Optical to electrical conversion efficiency of photovoltaic cells is limited. However, power converters have demonstrated efficiencies up
Wireless_power_transfer
Interconnected network for delivering electricity to consumers
An electrical grid (or electricity network) is an interconnected network for electricity delivery from producers to consumers. Electrical grids consist
Electrical_grid
Machine that converts one or more forms of energy into mechanical energy (of motion)
are enormous. The electrical energy efficiency of a typical industrial induction motor can be improved by: 1) reducing the electrical losses in the stator
Engine
Direct induction heating of cooking vessels
cookware then in turn heats its contents by heat conduction. For high efficiency, electrical resistance should be minimized in the coil and maximized in the
Induction_cooking
Heat from a current in an electric conductor
the Joule–Lenz law, states that the power of heating generated by an electrical conductor equals the product of its resistance and the square of the current
Joule_heating
with a load-following power generation design, and a thermal-to-electrical efficiency of more than 42%. The fuel is either U–Zr or U–Pu–Zr, and can keep
List of small modular reactor designs
List_of_small_modular_reactor_designs
Efficiency standard of air filters
HEPA (/ˈhɛpə/, high efficiency particulate air, or high efficiency particulate arresting) is an efficiency standard of air filters. A HEPA filter is an
HEPA
Propulsion or acceleration using electromagnetic force
accelerating an object by the utilization of a flowing electrical current and magnetic fields. The electrical current is used to either create an opposing magnetic
Electromagnetic_propulsion
Process of generating electrical power
productivity and efficiency of its generation. Inventions such as the steam turbine had a massive impact on the efficiency of electrical generation but
Electricity_generation
ELECTRICAL EFFICIENCY
ELECTRICAL EFFICIENCY
Female
English
English name derived from the vocabulary word, from Greek kyanos, CYAN means "dark blue" and "lapis lazuli." The color cyan is also sometimes called blue-green, electric blue, and turquoise.Â
Girl/Female
Indian
Efficiency, Care
Girl/Female
Tamil
Dakshhtha | தகà¯à®·à®¾à®¹à®¤à®¾
Efficiency, Care
Dakshhtha | தகà¯à®·à®¾à®¹à®¤à®¾
Boy/Male
Arabic
Electric Light
ELECTRICAL EFFICIENCY
ELECTRICAL EFFICIENCY
Girl/Female
Tamil
Varsheni | வரà¯à®·à¯‡à®¨à¯€Â
Goddess of rain
Surname or Lastname
English
English : from Middle English, Old English dohtor ‘daughter’. The application is unclear; perhaps it was a surname acquired by the retainers of an heiress of an important family.
Girl/Female
Australian, Chinese, Finnish, Hebrew, Swedish
Beautiful; Companion; Friend
Girl/Female
American, British, Christian, Danish, English, Finnish, French, German, Gujarati, Hawaiian, Hebrew, Hindu, Indian, Jamaican, Japanese, Jewish, Kannada, Malayalam, Marathi, Netherlands, Sindhi, Swedish, Swiss, Tamil
Enjoyment; Pleasure; Above All; Beauty; Delightful; Es-tower of Joy; Ganga; Honest Beautiful; Mother-in-law of Ruth; Pleasantness
Female
English
Variant spelling of English Dolly, DOLLEE means "gift of God."
Boy/Male
Indian
No Selfishness
Girl/Female
Hindu
Surname or Lastname
English
English : from the Old Norse personal name Mundi, a short form of the various compound names containing the element mundr ‘protection’.English : nickname for someone who had a particular association with this day of the week (Old English mÅnandæg ‘day of the moon’), normally because he owed feudal service then. It was considered lucky to be born on a Monday.Irish (Ulster) : quasi-translation of Mac Giolla Eoin ‘son of the servant of Eoin’, by confusion of the last part of the name with Irish Luain ‘Monday’.
Girl/Female
Arabic, Indian, Muslim, Sindhi
Reddish; One who Strives to Achieve her Best
Boy/Male
Indian, Punjabi, Sikh
Love for Splendid God
ELECTRICAL EFFICIENCY
ELECTRICAL EFFICIENCY
ELECTRICAL EFFICIENCY
ELECTRICAL EFFICIENCY
ELECTRICAL EFFICIENCY
a.
Alt. of Electrical
v. i.
To become electric.
n.
A genus of African siluroid fishes, including the electric catfishes. See Electric cat, under Electric.
a.
Acting by the operation of both light and electricity; -- said of apparatus for producing pictures by electric light.
a.
Alt. of Elenctical
a.
The state or quality of being electrical.
n.
A genus of South American fresh-water fishes, including the Gymnotus electricus, or electric eel. It has a greenish, eel-like body, and is possessed of electric power.
a.
Alt. of Magneto-electrical
a.
Operating by induction; as, an inductive electrical machine.
a.
Producing electro-motion; producing, or tending to produce, electricity or an electric current; causing electrical action or effects.
a.
Capable of occasioning the phenomena of electricity; as, an electric or electrical machine or substance.
n.
The cushion of an electrical machine.
n.
The electric catfish.
a.
Electrifying; thrilling; magnetic.
a.
Pertaining to electricity; consisting of, containing, derived from, or produced by, electricity; as, electric power or virtue; an electric jar; electric effects; an electric spark.
n.
The art or process of making electrical measurements.
n.
Any apparatus by which an electrical current is originated.
a.
Pertaining to, or characterized by, electricity by the action of magnets; as, magneto-electric induction.
a.
Pertaining to the development of electricity, especially electrical currents, by power; producing electricity or electrical currents by mechanical power.
n.
A supposed medium around various bodies; as, electrical atmosphere, a medium formerly supposed to surround electrical bodies.