Practitioners had created a global electric telegraph network and the first professional electrical engineering institutions were founded in the uk and usa to support the new discipline. It takes years to get firm understanding of what they all mean. Field replaceable modules that accept or send signals from field devices and condition the signal for the cpu. Electropedia also known as the iev online contains all the terms and definitions in the international electrotechnical vocabulary or iev which is published also. English spanish electronics, electricity dictionary lexicool. Pictorial glossary the pictorial glossary includes definitions and illustrations for many terms that are frequently used in the electrical industry. Discharge the conversion of the chemical energy of a battery into electric energy. It emerged as an identifiable occupation in the latter half of the 19th century after commercialization of the electric telegraph, the telephone, and electrical power generation, distribution and use. A selection of english spanish electronics, electricity dictionaries, glossaries and terminologies compiled by lexicool. Alternating current ac an electric current that reverses direction on a periodic basis. Dedicated channels giving nondiscriminatory access to a local cable system by the public, government agencies or educational institutions. Ground the reference point in an electrical circuit from which voltages are measured, a common return path for electric current, or a direct physical connection to the earth. This is a text book on basics of electrical engineering intended for all specialization in b tech engineering. Glossary dictionary of electronics terms hobby projects.
New definitions have been added in the fields of wireless technology, robotics, and artificial intelligence. It defines the quantity of electrons moving past a given point in a circuit during a specific period. It is widely used to transport power on power lines. Comprehensive dictionary of electrical engineering 2nd edition by crc phillip a. The abbreviations ac and dc are often used to mean simply alternating and direct. Ieee standard glossary of software engineering terminology.
The term variable speed drive applies to both dc drives and ac. A branch of electrical science dealing with the laws of electricity at rest. Electrochemical the relationship of electricity to chemical changes and with the conversions of chemical and electrical energy. A glossary of german technical terms page 1 in 1966 the problem of deciphering a data sheet or diagram printed in the german language was common in australia where a considerable proportion of professional electronic equipment sold. The standard that is currently in use in a model or drawing file. A fitting that permits access to conductors in concealed. Electropedia is produced by the iec, the worlds leading organization that prepares and publishes international standards for all electrical, electronic and related technologies collectively known as electrotechnology. Glossary of caddrafting terms glossary bend relief. A vocabulary list featuring electrical engineering. Electrician certification glossary of terms electrical nonmetallic smurf tube tubing tuberias electricas no metalicas tubo smurf electrical nonmetallic tubing ent caneria electrica no mecanica ent sic. Glossary dictionary of electronics terms a a abbreviation for ampere a unit of electrical current. Ieee standard glossary of software engineering terminology ieee std 61 0.
Glossary of electrical engineering terms and definitions listed alphabetically. You can help enhance this page by adding new terms or writing definitions for existing ones. Short for ampere, an amp is a unit used to measure the rate of flow of an electric current. One terminal is always positive and another is always negative. Common mechanical engineering terms ball and detent n a simple mechanical arrangement used to hold a moving part in a temporarily fixed position relative to another part.
Electricity the flow of electrons from atom to atom in a conductor. Electronic components usually use currents that are less than 1 amp. Electrician certification glossary of terms 1 of 26. Glossary all terms and definitions listed alphabetically. A few terms that were included in the initial glossary have. Electrical engineering became a profession in the later 19th century. This third edition includes more realworld examples and a glossary of formulae. A method of compressing audio data by recording the differences between successive digital samples rather than full value of the samples. Never connect any component or lead to electrical outlets in any way warning. This is the type of electrical current supplied by a battery. Every effort has been made to be concise and accurate, without talking down to the.
As you progress in the electrical trade youll hear a bunch of electrical terms being tossed around like their common knowledge. Electrical designers use it to determine how much voltage is required for a certain load. Adit a horizontal or nearly horizontal entrance to a tunnel or mine as opposed to a vertical shaft. Receives electric power from a nearby generating facility and uses a large power transformer to increase the voltage for transmission to distant locations. Appendix a glossary of terms and definitions guidebook. You may view definitions of glossary items by click ing on terms and words that are underlined and italicized in the text. Electrician certification glossary of terms english spanish. Emi is measured in microvolts, and can be controlled by filters. Pdf comprehensive dictionary of electrical engineering. A 911 nineoneone system causes a person dialing the national emergency number 9. While an effort has been made to avoid superfluous mathematics, equations are sometimes necessary to completely and effectively define a term. A dimension used to define an object or feature that is not vertical or horizontal. The author builds a genuine understanding of the fundamentals and shows how they can be applied to a range of engineering problems.
Nov 02, 2015 still, it wouldnt hurt you to be familiar with at least some of the most basic terms you will come across in your endeavors. You must actually build circuits and programs in order to really. Fortunately for you ive grouped them together to help you become a better electrician. A fourier transform ft converts a signal from the time domain signal strength as a function of time to the frequency domain signal strength as a function of frequency. Relief typically added to a sheet metal part to relieve stress, or the tear, that. Still, it wouldnt hurt you to be familiar with at least some of the most basic terms you will come across in your endeavors.
This dictionary glossary of engineering terms has been compiled to compliment the work developed as part of the multidisciplinary design project mdp, which is a programme to develop teaching material and kits to aid the running of mechtronics projects in universities and schools. That is why we created this short glossary of mustknow power monitoring and electrical terms. Adapter a cord or block style device with different ends that allows different devices to connect ac alternating current. The sum of the instantaneous voltages in a half cycle wave shape divided by the number of instantaneous voltages. A motor that converts direct current electrical energy into.
Below youll find over xx definitions of electrical terms. Electrical engineering glossary of electronic terms, letter a definitions including technical drawings when required to assist in the description. Index of electrical engineering terms maxim ee glossary. The mapping of the dictionarys areas to the ieee interest. These substations are located at switching points in an electrical grid. Comprehensive dictionary of electrical engineering. Electrical telegraphy may be considered the first example of electrical engineering. However, glossaries like this one are useful for looking. Telecommunications glossary 3 adpcm adaptive differential pulse code modulation. Electropedia also known as the iev online contains all the terms and definitions in the international electrotechnical vocabulary or iev which is published also as a set of publications in the iec 60050 series that can be ordered separately from the iec webstore.
English spanish electrician certification glossary of terms antioxidant paste pasta antioxidante. In total, more than 1500 terms were added, updated, expanded, improved, or corrected, resulting in a dictionary with over 11,000 terms and abbreviations related to electrical engineering. Ampacity the maximum amount of electric current a conductor or device can carry before sustaining immediate or progressive deterioration. In referring to the osi model, this is the top or seventh layer containing all user or application programs. This glossary of mechanical engineering terms pertains specifically to mechanical engineering and its subdisciplines. Ieee std 7291983, ieee standard glossary of software engineering terminology ansi l31. Abbreviation for american national standards institute. The ball slides within a bored cylinder, against the pressure of a spring, which pushes the ball against the detent, a hole of smaller diameter than the ball. Basic electrical terms and definitions understanding electricity requires knowledge of these basic electrical terms. Ac drive an electronic device used to control the speed of an ac motor.
This highvoltage vocabulary list covers circuits, conductors and insulators, electromagnetism, energy, and much more. Anchorsrock anchors rock anchors resist forces by means of corrosion protected steel bars. Howe ver, if readers discover any errors or think that any important terms have been omitted, please. Motor design jargon buster and glossary of terms, useful for mechanical engineers, electrical engineers and industrial engineers. Capacitor a basic electrical component that stores. Kids learn about electricity glossary and terms in the science of physics. Mathematics beyond the highschool level has not been used. The fet is one of two major kinds of transistor, the other being the bipolar junction transistor. Leaded chip carrier, also called plcc or plastic leaded chip carrier. An electrical device for measurement of a quantity under observation or for presenting a characteristic of the quantity. It is also often used generically and interchangeably with the term microwave to distinguish the high frequency ac portion of a circuit or signal from the dc bias. Pdf basics of electrical engineering a text book for. E stamp for valuable aid in the illustration of the book. National academies of sciences, engineering, and medicine.
French terms for common electricalengineering words. Normally used in uk houses at 240v rms alternating at 50 times per second 50 hertz. Guidebook for incorporating sustainability into traditional airport projects. Most of the terms listed in wikipedia glossaries are already defined and explained within wikipedia itself. Words and definitions you need to know such as current, voltage, resistance, and more. Seventh edition modern dictionary of electronics free. A glossary of electrical terms become an electrician electricians are skilled tradespeople working in a variety of different residential and industrial settings. In some literature the terms actor or effector are also used.
Dictionary of electronic and engineering terms, dictionary. Direct current electrical current constant or pulsating whose electrons flow in one direction only. In electrical engineering, the term actuator refers to a mechanism that causes a device to be turned on or off, adjusted or moved, usually in response to an electrical signal. Ampere the ampere is the standard unit of measure of electric current. Dictionary technical english mechatronics robotics. Electrical terms you need to know as an electrician. Abbreviation for illuminating engineering society of north america. An ampere is the amount of current that will flow through a resistance of one ohm under a pressure of one volt ampere rating the currentcarrying capacity of a fuse. Glossary of electrical and electronics engineering wikipedia. 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. It is written in a downtoearth style and explains jargon, technical terms and schematics as they arise.
The pictorial glossary includes definitions and illustrations for many terms that are frequently used in the electrical industry. Generator a device which converts mechanical energy into electrical energy. The standard unit of measurement for electric current that is equal to one coulomb per second. Im teaching robotics and beginning some electronics here in an. This glossary is an update and expansion of ieee std 7291983, ieee standard glossary of software engineering terminology ansi l3i. Iec 60050 international electrotechnical vocabulary. Normally used in uk houses at 240v rms alternating at 50 times per second 50. The illustrated dictionary of electronics8th editionhas been revised, clarified, and updated, reflecting technological advances of recent years. Engineers use engineering notation a subset of scientific notation to avoid using fractions. Alternating current ac ammeter ampacity amperehour ah ampere a apparent power armature capacitance capacitor circuit circuit breaker conductor corona current i cycle demand dielectric constant dielectric strength diode direct current dc electrolyte. Electrical engineering is an engineering discipline concerned with the study, design and application of equipment, devices and systems which use electricity, electronics, and electromagnetism. Terms that are underlined and italicized are included in the glossary as a separate definition.
High frequency interference electrical noise caused by electronic components or fluorescent lamps that interferes with the operation of electrical equipment. A dictionary of electrical words, terms and phrases survivor library. Alternating current ac the type of mains electricity used in the uk having a cyclical current waveform. Glossary of power transformer terms photo by radar. Electrical field the region around a charged body in which the charge has an effect. Appendix a contains the standard symbols used in electrical and electronic diagrams. Establishing assembly constraints, including mate, flush, tangent, and insert. This glossary of electrical and electronics engineering pertains specifically to electrical and electronics engineering. The amount of physical work a system is capable of doing.
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