Wow, this sure is a long list all right, good post. David Ferrin www.jaws-users.com ----- Original Message ----- From: "Roger Bachelder" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Monday, June 23, 2008 12:48 PM Subject: [BlindHandyMan] Energy Terms
> Energy Terms > > definition list of 89 items > > Alternating Current (AC) > > Electric current that reverses direction, usually many times per second. > Most electrical generators produce alternating current. > > Ampere (amp) > > A measure of how much electricity is moving through a conductor. > > Blackout > > A total power failure over a large area; usually caused by the failure of > major generating equipment or transmission facilities. > > Bottom Ash > > Slag or other residue remaining in the boiler after coal is burned. > > Brownout > > A small, temporary voltage reduction implemented by a utility to conserve > electric power during periods of high use. > > British Thermal Unit (Btu) > > Amount of heat needed to raise the temperature of 1 pound of water by 1 > degree Fahrenheit. > > Bus > > An electrical conductor that serves as a common connection for two or more > electrical circuits. > > Capacitor > > A device that stores electrical charges and can be used to maintain > voltage > levels in power lines and improve electrical-system efficiency. > > Circuit > > Path that electricity follows. > > Circuit Breaker > > A switch that opens an electric circuit when a short occurs. > > Cogeneration > > Using waste heat from (1) an industry to produce electricity, or (2) from > electric utilities to produce steam for an industry or hot water for a > building. > > > > Conductor > > A material that allows an electric current to pass through it. Also, the > wire that carries electricity in an electric distribution or transmission > system. > > > > Cycle > > One complete series of changes of value of an alternating current or an > electromagnetic wave. > > Demand > > The amount of electricity drawn from an electric system at a given time, > measured in kilowatts. > > Demand Charge > > A charge for electricity based on the maximum amount of a system's > electricity a customer uses. > > Demand Side Management > > A utility program aimed at reducing consumer use of energy through > conservation or efficiency measures. > > Deregulation > > Major reduction of government oversight in a segment of private industry. > > Direct Current (DC) > > Electricity that flows through a conductor in a single direction. > > Distribution Company > > An electric utility that purchases wholesale power and delivers it to > customers. > > Distribution System > > The poles, wire and transformers used to deliver electric energy from a > bulk > power supplier to the consumer. > > Electric Current > > A flow of electrons through a wire or other electrical conductor. > Electrons > are negatively charged particles of matter. > > Electric Energy > > The flow of charged particles (electrons). > > Electricity > > Electric current or power that results from the movement of electrons in a > conductor from a negatively charged point to a positively charged point. > > Electrostatic Precipitator > > An electronic pollution-control device that removes particles of fly ash > from a power plant's waste gases. > > Energy Efficiency Rating (EER) > > A measure of how efficiently an appliance uses energy. Determined by > dividing the Btu per hour output by the number of watts used. A higher EER > means greater > > efficiency. > > Fly Ash > > Tiny solid particles of ash that escape the boiler when coal is burned; > removed by pollution-control equipment. > > Fossil Fuel > > Materials such as coal, oil or natural gas used to produce heat or power; > also called conventional fuels. These materials were formed in the ground > millions > > of years ago from plant and animal remains. > > Fuel Cells > > Devices that convert the chemical energy of fuels directly into > electricity. > > > Fuse > > A protective device for electric circuits containing a wire designed to > melt > and open the circuit under abnormally high electric loads. > > Generation and Transmission Cooperative (G&T) > > A power supply cooperative owned by a group of distribution cooperatives. > G&Ts generate power or purchase it from public or investor-owned > utilities, > or > > from both. > > Generation Plant > > A plant that has generators and other equipment for producing electricity. > > Generator > > A machine that converts mechanical energy into electrical energy. > Electricity is produced from magnets whirling inside coils of wire in the > generator core. > > > > Geothermal Energy > > Natural heat contained in the rocks, hot water and steam of Earth's > subsurface; can be used to generate electricity and heat homes and > businesses. > > Gigawatt (gw) > > A measure of electric capacity equal to 1 billion watts or 1 million > kilowatts. > > Global Warming > > A gradual warming of the Earth's atmosphere reportedly caused by the > burning > of fossil fuels and industrial pollutants. > > Greenhouse Gases > > Carbon dioxide and other gases that reportedly contribute to the warming > of > the Earth's atmosphere. > > Grid System > > An arrangement of power lines connecting power plants and consumers over a > large area. > > Ground-Fault Circuit Interrupter (GFCI) > > A device that instantly breaks the circuit when a short develops. Required > for outlets that are used in bathrooms, kitchens, outdoors or wherever > electrical > > equipment might come into contact with water. > > Hertz (Hz) > > An international measure of frequency or vibration equal to 1 cycle per > second. The alternative current frequency used in North America is 60 > hertz. > In > > Europe and some other parts of the world it is 50 hertz. > > High Voltage > > Voltage in a power line higher than the 110 to 220 volts used in most > residences. > > Horsepower (hp) > > A measure of power equal to about 746 watts. > > Hydroelectric Plant (hydro) > > A facility that produces electric energy by releasing water from a > reservoir > through generators. > > Insulator (nonconductor) > > Material that does not conduct electricity, such as glass, ceramics or > rubber. It prevents the passage of electricity. All transmission and > distribution > > wires are protected by insulators. > > Interconnection > > A tie permitting the flow of electricity between the facilities of two > electric systems. > > Kilovolt (kv) > > 1,000 volts. The amount of electric force carried through a high-voltage > transmission line is measured in kilovolts. > > Kilowatt (kW) > > The basic unit of electric demand, equal to 1,000 watts; average household > demand is 10 to 20 kilowatts. > > Kilowatt-hour (kWh) > > A unit of energy of work equal to 1,000 watt-hours. The basic measure of > electric energy generation or use. A 100-watt light bulb burning for 10 > hours uses > > one kilowatt-hour. > > Lignite > > A low-sulfur, low-energy coal, found primarily in the upper Great Plains. > > Line > > A carrier of electricity on an electric power system. > > Line Loss > > Electric energy lost in the process of transmitting it over power lines. > > Load > > The amount of electric power drawn at a specific time from an electric > system, or the total power drawn from the system. Peak load is the amount > of > power > > drawn at the time of highest demand. > > Load Factor > > The ration of average demand to peak demand. It is a measure of efficiency > that indicates whether a system's electric use over a period of time is > reasonably > > stable or if it has extreme peaks and valleys. A high load factor usually > results in a lower average price per kilowatt-hour than a low load factor. > > Megawatt (MW) > > Equal to 1,000 kilowatts or 1 million watts. > > Megawatt-hour (MWH) > > Equal to 1,000 kilowatt-hours or 1 million watt-hours. > > Meter > > A device used to measure and record the amount of electricity used by a > consumer. > > Nitrogen Oxides > > Compounds of nitrogen and oxygen formed when fossil fuels burn. > > Nuclear Energy > > Energy produced from the splitting of atoms. > > Nuclear Fission > > The splitting of an atomic nucleus, resulting in the release of large > amounts of energy; the basic process a nuclear reactor uses to provide > heat > for the > > generation of electricity. > > Nuclear Fusion > > The combination of two light nuclei to form a heavier nucleus with the > release of some binding energy. > > Nuclear Power > > Electric energy generated using heat produced by an atomic reaction. > > Nuclear Radiation > > Invisible particles or waves given off by radioactive materials such as > uranium. > > Off-peak Power > > Electricity supplied during periods of low system demand. > > Ohm > > The amount of resistance overcome by one volt in causing one ampere to > flow. > The ohm measure resistance to current flow in electrical circuits. > > Ohm's Law > > Voltage equals resistance multiplied by current. In its simplest form, > Ohm's > Law states that it takes one volt of pressure to push one amp of current > through > > one ohm of resistance. > > On-line > > A generating plant that is operating. When an operational plant is not > on-line, it is "down." > > Outage > > Interruption of service to an electric consumer because a power plant, > transmission line or other facility is not operating. > > Peak Demand > > The greatest demand placed on an electric system; measured in kilowatts or > megawatts; also, the time of day or season of the year when that demand > occurs. > > > > Peak Load > > The amount of electric power required by a consumer or a system during > peak > demand; measured in kilowatts or megawatts. > > Photovoltaics > > Technology that produces electric power directly from the sunlight. A > common > application is in solar-powered pocket calculators, but various equipment > remote > > from electric distribution lines also uses the technology. > > Power > > The term used for the product of voltage and current. It is measured in > watts. > > Power Plant > > A place where electricity is produced. > > Rotor > > The rotating part of a generator. > > Single-phase Power > > An electric circuit that consists of one alternating current. > > Slag > > A residue produced by the combustion of coal. This heat-fused material > accumulates on the sides and bottom of a boiler and is removed > periodically > and disposed > > of according to environmental regulations. > > Stator > > The stationary part of a generator within which a rotor turns. > > Socket > > A connecting place or junction for electric wires, plugs and light bulbs. > > Solar Power > > Energy from the sun's radiation converted into heat or electricity. > > Static Electricity > > Created when electrons "jump" from one atom to another. You can create > static electricity by rubbing certain things together, such as a brush and > your hair. > > Lightning is also an example of static electricity. > > Substation > > A place that contains transformers, which lower electricity's voltage so > that it can be used in homes and businesses. > > Surge Suppressor > > An electronic device that protects electric equipment from short-term, > high-voltage flows of electricity such as lightning strikes. > > System Demand > > The total amount of energy required to supply all customers. > > Three-phase Power > > An electric circuit that consists of three separate currents delivered at > one-third cycle intervals by means of a three-wire circuit; typically used > to > > power large industrial motors that operate at 200 volts or higher. > > Transformer > > A device used to raise or lower voltage in electric distribution or > transmission lines. A step-up transformer raises voltage and a step-down > transformer > > lowers voltage. > > Transmission > > The transfer of electric current from a power plant to a destination that > could be hundreds of miles away. > > Turbine > > A machine with blades attached to a central shaft. The pressure of water > or > steam on these blades causes the turbine to spin. > > Turbine Generator > > The combination of a turbine and a generator working together to produce > power. > > Voltage > > The force which pushes electricity through a wire. > > Watt > > A unit of electrical power. > > Wheeling > > Transmitting bulk electricity from a generating plant to a distribution > system across a third system's lines. > > > > > > [Non-text portions of this message have been removed] > > > ------------------------------------ > > Send any questions regarding list management to: > [EMAIL PROTECTED] > To listen to the show archives go to link > http://www.acbradio.org/pweb/index.php?module=pagemaster&PAGE_user_op=view_page&PAGE_id=33&MMN_position=47:29 > Or > ftp://ftp.acbradio.org/acbradio-archives/handyman/ > > The Pod Cast address for the Blind Handy Man Show is. > http://www.acbradio.org/news/xml/podcast.php?pgm=saturday > > Visit The Blind Handy Man Files Page To Review Contributions From Various > List Members At The Following address: > http://www.jaws-users.com/JAWS/handyman/ > > Visit the archives page at the following address > http://www.mail-archive.com/[email protected]/ > > If you would like to join the JAWS Users List, then visit the following > address for more information: > http://www.jaws-users.com/ > For a complete list of email commands pertaining to the Blind Handy Man > list just send a blank message to: > [EMAIL PROTECTED] Groups Links > > >
