A typical power generation, transmission and distribution system has these components. It is easy to get a little confused when you are talking to an electrician that has been called out to your home or office. Glossary of cycling terms tires and rims this is some of the vocabulary that i use in my handson flattire clinics sponsored each year in the early season by the rbc. This article contains definitions and explanations of terminology used and will help you understand what he or she is talking about. Leaded chip carrier, also called plcc or plastic leaded chip carrier. The ballot paper shows the candidates names and party af. You can help enhance this page by adding new terms or writing definitions for existing ones. High pressure or voltage in an electrical conductor means that the conductor is capable of delivering a lot of electricity to the user. Glossary of terms used in nerc reliability standards. The noncontact electrical tester this is a testing tool that i have had in my personal electrical tool pouch for years, and is the first test tool i grab to help identify electrical wiring.
Ti glossary of electrical terms and definitions rev. Ac alternating current acts as it implies, the current flows in one direction and then back the other. Electric vehicle glossary glossary of electric vehicle terms. Receives electric power from a nearby generating facility and uses a large power transformer to increase the voltage for transmission to distant locations. Tes global ltd is registered in england company no 02017289 with its. Arc flash is the passage of current through air between phase conductors or phase conductors and neutral and ground. The magnitude of a physical property expressed in terms of a reference unit, such as 117 volts, 60 hz, 50 ohms, 3 henrys. Glossary of electrical terms alternator a synchronous machine used to convert mechanical power into alternating current electric power. Glossary of electrical terms ammeter instrument used to measure electrical current flow in a circuit.
Ammeter an instrument for measuring the flow of electrical current in amperes. This illustrated glossary contains definitions, photos, and graphic illustrations of equipment used in a typical electric power generation, transmission and distribution system. Voltage, measured in volts v, is the measure of potential energy per unit of charge. London cycling design standards index and glossary index chapter page access controls 4 73 accessibility classification for cycle networks 2 17. Individuals preparing for examinations should be familiar with these terms and how they are used in the context of the trade.
A lot of what i know about the nomenclature of cycling, i learned from sheldon brown 19442008 and jobst brandt, and there is a lot of technical information at this internet site. Short for ampere, an amp is a unit used to measure the rate of flow of an electric current. Bird a colloquial expression used to refer to a communications satellite. Capacitor a basic electrical component that stores. An electrical distributor supplying everything from light bulbs and dimmers to plcs and industrial automation equipment. Glossary of electora l terms absent vote a vote made at a voting centre by an elector who is outside hisher district on election day. Adapter a cord or block style device with different ends that allows different devices to connect ac alternating current. Electrical fundamentals refers to the electrical basics, terms and concepts you should understand before taking on any electrical project. Glossary of electronic terminology electronics tutorials. Amplifier, an electrical circuit that produces an output that is a replica of the input. Below is a list of glossary electric vehicle terms. Ac alternating current ac is a type of electrical current, in which the direction of the flow of electrons switches back and forth at regular intervals or cycles. Pdqie pdq industrial electric glossary of electrical terms. Cable part of a suspension or extradosed bridge extending from an anchorage in the.
Advanced metering infrastructure ami systems that measure, collect, and analyze energy usage, and communicate with metering devices such as electric meters, gas meters, heat meters, and water meters, either on request or on a schedule. Ampacity the maximum amount of electric current a conductor or device can carry before sustaining immediate or. Understanding of electrical terms is compulsory for engineers. Glossary of termination terms electrical references. Of course there are more technical terms but these are the basics. For your convenience, ehazard has put together a list of terms commonly used in relation to the electrical industry and electrical and arc flash safety. Its not hard to get a good understanding of the electrical fundamentals, just read the rest of this page and you should be a lot more up to speed. Seventh edition modern dictionary of electronics free. The standard unit of measurement for electric current that is equal to one coulomb per second. One amp 1 a is the amount of current produced by an electromotive force of one volt acting through the resistance of one ohm. As you study electricity in your engineering program, and as you work with electricity in the power plants, industrial plants, you will hear, read, and use various electrical terms. This website and its content is subject to our terms and conditions.
Ampacity the maximum amount of electric current a conductor or device can carry before sustaining. A full service electrical contractor covering commercial, institutional and industrial customers in western pa for over 85 years. A fitting that permits access to conductors in concealed. Glossary of terms frequently used in electric utilities. Click one of the letters above to go to the page of all terms beginning with that letter. It is widely used to transport power on power lines. Index and glossary london cycling design standards index and glossary. We install and service electrical, power, lighting, renewable energy, backup and emergency power, voice, data, fire alarm and other related systems in new and existing buildings. For terms and concepts not equipment related see the glossary.
Characterized by a singleended not differential physical layer, it uses one signal wire for transmission, another for reception, and a common wire ground, plus some timing and control signals. An annual forecast of the states peak electric demand load where there is a 10percent chance that the actual system peak load will exceed the forecasted value in any given year or, stated another way, it is expected that on the average the forecast will be exceeded once every ten years. Alternating current ac an electric current that reverses its direction many times a second at regular intervals. Every effort has been made to be concise and accurate, without talking down to the. Glossary all terms and definitions listed alphabetically. A standards developing organization whose procedures meet the requirements for due process and criteria for approval and withdrawal of american national standards, as described in the ansi essential requirements.
A square surface mount chip package in plastic with leads pins on all four sides. This type of current is commonly supplied by power companies. Amp a unit used to measure the strength of an electrical current. A glossary of telecommunications terms 5 bidding credit a spectrum auction term. Any significant incident on an electric utility system that results in a continuous outage of 3 hours or longer to more than 50,000 customers or more than one half of the total customers being served immediately prior to the incident, whichever is less. The safest way to test electrical devices and identify electric wires. Still, it wouldnt hurt you to be familiar with at least some of the most basic terms you will come across in your endeavors. Glossary all terms and definitions listed alphabetically maxim. Absolute majority more than 50% of the formal vote. Electrical designers use it to determine how much voltage is required for a certain load. Glossary of terms for the electric utility industry. The illustrated dictionary of electronics8th editionhas been revised, clarified, and updated, reflecting technological advances of recent years. A serial interface published by the eia for asynchronous data communication over distances up to a few hundred feet.
Approach spans the spans connecting the abutment with the main river bridge spans. Discover the meaning of some of the most common electrical terms used in our industry. Intro to theatre arts glossary of stage lighting terms. Glossary of cycling terms rochester bicycling club. The pictorial glossary includes definitions and illustrations for many terms that are frequently used in the electrical industry. The ability of the electric system to supply the aggregate electrical demand and energy requirements of the enduse customers at all times, taking into account scheduled and. That is why we created this short glossary of mustknow power monitoring and electrical terms. The 10 refers to a maximum datatransfer rate of 10 megabits per second over twisted pair, copper wire. The following are basic terms associated with electricity and have been defined in a general manner. It defines the quantity of electrons moving past a given point in a circuit during a specific period.
In terms of a switchgear assembly, a cabinet containing permanent electric connections with cable connections to a contact box arranged to make connections to the secondary contacts on an electrically operated and removable element, which permits operation and testing of the removable element when it is removed from the housing. Power system electrician glossary of terms apprenticeship and industry training the following glossary is a list of terms commonly used in the trade in alberta and elsewhere in canada. Electric basics electrical fundamentals and terms explained. The comparison of an indicated value to a known reference value. New definitions have been added in the fields of wireless technology, robotics, and artificial intelligence. Galco industrial electronics is dedicated to providing worldclass control engineering solutions through the integration of high performance products such as fanuc fa america cncs, abb drives, control techniques, yaskawa and eaton automation.
Glossary 423 rms value, it produces the same i 2r power as an equal dc value. These substations are located at switching points in an electrical grid. An electrical relay or manual switch which selects an ac source alternative. Glossary of terms construction electrical products. Alternating current ac an electric current that reverses direction on a periodic basis. Electricity glossary electricity industry glossary. This glossary of electrical and electronics engineering pertains specifically to electrical and electronics engineering. For a more thorough explanation, please inquire with cep.
Alternating current ac the type of mains electricity used in the uk having a cyclical current waveform. Terms that are underlined and italicized are included in the glossary as a separate definition. Normally used in uk houses at 240v rms alternating at 50 times per second 50. These systems include hardware, software, communications, consumer energy. Using a waterinpipes analogy, voltage in the electrical system is similar to water pressure in a plumbing system. Ac drive an electronic device used to control the speed of an ac motor. We have tried our best to include as many electronic terminology terms as possible, but please send us your suggesting by contacting us so that we can add more electronic terms in our glossary of electronic terminology please click on the link of the required letter to find electronic terms starting from the letter. Electric current in which the flow of electric charge periodically reverses direction, whereas in direct current dc, also dc, the flow of electric charge is only in one direction.
Electrical engineering glossary of technical electronic terms, starting letter pe for students and engineers, including engineering jargon and definitions. Electrician certification glossary of terms english spanish. Ampacity the maximum amount of electric current a conductor or device can carry before. Amp an amp or ampere is a measure of the quantity of electric current flowing through a wire. The illustrated dictionary of electronics rollanet. Alternating current an electric current that continually reverses its direction giving a definite plus and minus wave form at fixed intervals ampere or amp a unit of measure for an electrical current. Watts wattage indicates how much energy a device produces or consumes to do work. That part of an electrical circuit whose resistance relative to the balance of the circuit is zero. Pictorial glossary the pictorial glossary includes definitions and illustrations for many terms that are frequently used in the electrical industry.
Electrical engineering dictionary of electronic terms, ta dictionary entry. Arcfault circuit interrupter a safety device designed to prevent fires. You may view definitions of glossary items by click ing on terms and words that are underlined and italicized in the text. Glossary of electrical engineering terms and definitions listed alphabetically. The funds to perform the work are derived from rates and go into a sinking fund that is used at the discretion of the municipality the electric line is in. A complete glossary of electric and electricity industry terms and their definitions. A dictionary of electrical words, terms and phrases survivor library. Onsite pictures and external links are used to augment the definitions for engineers and technicians. The quality of accuracy is often expressed by stating the difference between the two values as a percentage of the known reference value. Abutment a substructure element that supports each end of a bridge. Glossary of terms the following common engineering terms apply to the construction process of the new st. It is a credit given to eligible fcc auction applicants which allows them to receive a discount on their winning bids in an auction.
Children cut and stick words from an electricity glossary and match them to the correct definitions. Basic electrical terms and definitions electricalmag. Glossary of electrical and electronics engineering wikipedia. Terms and conditions ferry electric company electrical.
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