Watt a unit of measure for indicating the electrical power applied in a circuit. In physics, the rate of transfer of electrical energy by an electrical circuit per unit time is called electrical power. If the pin is active high, then a high voltage asserts it. If the pin is active low, then a low voltage on the pin asserts it. Most of the terms listed in wikipedia glossaries are already defined and explained within. Understanding of electrical terms is compulsory for engineers. For all physics study material pdf click here for all subject study materials click here. Write the electric power formula and explain the terms. Commonly used to refer to one of the power connectors described by specification iec 60320. Electrical installation handbook protection, control and. These symbols are largely standardized internationally today, but may vary from country to country, or engineering. Glossary of musical terms the music of drew fennell. Feeder all circuit conductors between the service equipment, the source of a.
Glossary of electrical engineering terms and definitions listed alphabetically. Glossary of utility finance and accounting terms used in our seminars letters in parenthesis, preceding the definition, identify the sources used in compiling the glossary. Conditions that meet all entry requirements specified in the. The abbreviations ac and dc are often used to mean simply alternating and direct. This is not intended to be a theoretical document, nor a technical catalogue, but, in addition to the latter, aims to be of help in the correct definition of equipment. This method of accounting starts with collecting all the overhead costs in an organization then allocating the costs of the activities. Book definitions electrical engineering dictionary. This dictionary contains over 32,000 terms that are specific to computers and the internet. Electronic components are mostly industrial products, available in a singular form and are not to be confused with electrical elements, which are conceptual abstractions representing idealized electronic components. Words and definitions you need to know such as current, voltage, resistance, and more. The levels of most use include level 4 subassembly to subassembly, level 5 subassembly to io and level 6 system to system. Shortened word forms abbreviations, acronyms, and initialisms.
This glossary of electrical and electronics engineering is a list of definitions of terms and. A dictionary of electrical words, terms and phrases survivor library. Electrical terms and definitions you should know electrician basics. An organization that prepares and publishes international standards for all electrical, electronic and related technologies. Electric charge is a fundamental property of matter and is borne by elementary particles. It is important to note that the definition includes all types of eee, as there is no room for regional variance or preference in a global definition. Dod dictionary online availability and update schedule joint staff, j7, does not print copies of th e dod dictionary. The arrangement of such type of system is very simple and easy. Browse the list of 359 electrical engineering abbreviations with their meanings and definitions.
It is obtained by multiplying the current in amperes by the electrical pressure in volts which cause it to flow. The definitions that follow, with background drawn from safires new political dictionary, should help you understand political talk a little better the next time you hear it on the evening news or read about it online. Many composers make very specific indications, and seldom are those indications in english. If a term is used in only one export control classification number eccn on the ccl, then that term will not appear in this part, but will be defined in the related definitions paragraph in the list of items. Never connect any component or lead to electrical outlets in any way. An electronic component is any basic discrete device or physical entity in an electronic system used to affect electrons or their associated fields. Glossary of electrical and electronics engineering wikipedia.
It takes years to get a firm understanding of all these electrical terms. The ce marking on end products indicates compliance with all applicable. Ti glossary of electrical terms and definitions rev. Circuit breakers are used in conjunction with protective relays to protect circuits from faults.
Index of electrical engineering terms maxim ee glossary. An amount to be paid by a customer in a lump sum, or in installments, for connecting the customers facilities to the suppliers facilities. Dc current is an electric current that flows in only one direction. Unless you find a guide online that summarised all the definition into a single post. A storage tank that is installed above grade, at grade, or. Kids learn about electricity glossary and terms in the science of physics. Understanding electricity requires knowledge of these basic electrical terms. 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.
The electrical earthing is done by connecting the noncurrent carrying part of the equipment or. Short circuit when one part of an electric circuit comes in contact with another part of the same circuit, diverting the flow of current from its. Discover the meaning of some of the most common electrical terms used in our. The lower levels 1, 2 and 3 all concern interconnection inside the microscopic world of. A kind of overhead electric power conduc tor made up. The contract is based on all employees of the contractor who work on the site of the works under the electrical, electronic and communications industry state award being able to work a full 38 hours per week under the terms of such award, irrespective of weather conditions, and should such employees be unable to. Dictionary of computer and internet terms words r us. This article contains definitions and explanations of terminology used and will. For example, selection of tile as flooring may require an allowance for an underlayment material, or an electrical allowance which sets aside an amount of money to be. Dear readers, here we have given the list of physics important terms for competitive exams.
Glossary of terms used in nerc reliability standards. 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 reasonably expected unscheduled outages of system elements. A scraping or rubbing away of the skin or other surface. When talking about electricity an entirely new list of terms are used to. Electrical safety in the workplace 2 course goal the aim of this program is to provide comprehensive onsite training to highrisk workers i. The process of transferring the immediate discharge of the electrical energy directly to the earth by the help of the low resistance wire is known as the electrical earthing. With more than 750 pages, this dictionary is one of the most comprehensive resources available. A statement of the electric rate and the terms and conditions governing its application, including attendant contract terms and conditions that have been accepted by a regulatory body with appropriate oversight authority. Steam power produces approximately 85% of all electricity used in the united states. Pictorial glossary sitrain digital industry academy. Service the conductors and equipment used to deliver energy from the electrical supply system to the system being served. Terms that are underlined and italicized are included in the glossary as a separate definition. Terms relate to applications, commands, functions, operating systems, image processing and networking.
Underlined words are defined in the glossary of terms. Glossary all terms and definitions listed alphabetically maxim. Since, there is no rotating or moving part, so a transformer is a static device. All of the current in the circuit must flow through all of the loads. Many of these are applications of learning, which is my field of research and for which i have a soft spot in my heart. Glossary all terms and definitions listed alphabetically. Over drawing on amps or watts can lead to injury, dam aged equipment, or even death.
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. Circuit electric a conductor or a system of conductors through which electric current flows or is intended to flow. It indicates the amount of work done in an hour by a circuit at a. Basic electrical terms and concepts current, voltage, resistance, charge, power, efficiency. Discover the licensing requirements for each state, job outlook, salaries and the best local schools to get your career on the road. Alternating current ac an electric current that reverses its direction many times a. An electronic symbol is a pictogram used to represent various electrical and electronic devices or functions, such as wires, batteries, resistors, and transistors, in a schematic diagram of an electrical or electronic circuit. Dod dictionary of military and associated terms, january 2021. List of most popular electrical engineering terms updated in march 2021. Glossary of terms for the electric utility industry nc state university. Aevs all electric vehicles are powered by one or more electric motors. Evs also known as plugin electric vehicles derive all or part of their power from electricity supplied by the electric grid. Ieee std 1001996 ieee standard dictionary of electrical and electronic terms, sixth edition ieee std 260. Free downloads of pdf files with all electrical symbols, for consultation and printing on a4 sheets this website uses cookies.
In this topic, we have given about the physics important terms and definitions. This site aims to provide all the information you need to get started in this indemand profession. As you progress in the electrical trade youll hear a bunch of electrical terms and definitions being tossed around like their common knowledge. Pus that collects in a pocket of swollen, red tissue. Dictionary of leisure, travel and tourism 978 0 76 8545 9 dictionary of marketing 978 0 7475 6621 2 dictionary of media studies 978 0 76 7593 1 dictionary of medical terms 978 0 76 7603 7 dictionary of nursing 978 0 7475 6634 2 dictionary of politics and government 978 0 7475 7220 6 dictionary of publishing and printing 978 0 76 7589 4. A discrete interface that converts alternating current ac. An electronic device used to control the speed of an ac. Dictionary of medical terms 0 76 7603 5 dictionary of nursing 0 7475 6634 8 dictionary of politics and government 0 7475 7220 8.
Special symbols level set a crisp set of elements belonging to a fuzzy set aat least to a degree a dfx2 xj a. This is not intended to be a theoretical document, nor a technical catalogue, but, in addition to the latter, aims to be of help in the correct definition. Electric power definition it is the rate at which work is done or energy is transformed in an electrical circuit. Free downloads of pdf files with all electrical symbols, for consultation and printing on a4 sheets. 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. Electrical terms and definitions you should know electrician. The scope of this electrical installation handbook is to provide the designer and user of electrical plants with a quick reference, immediateuse working tool. A hybrid engine and electric motors combined ability to do work in terms of horsepower, torque or efficiency.
Resistors allow current to flow to some degree in proportion to their resistance in ohms. Considerable labor has been expended in the collection of the vocabulary, for which purpose electrical literature. Critical care residential customer statuschronic condition. Actuator solenoid the solenoid in the actuator housing on the back of the injection pump which moves the control rack as commanded by the engine controller alternator a device which converts mechanical energy into electrical energy alternating current ac a flow of electrons which reverses its direction of flow at regular intervals in a conductor. In other words, the instrument which uses the static electric field for producing the deflecting torque is known as the electrostatic instrument. These symbols are largely standardized internationally today, but may vary from country to country, or engineering discipline, based on traditional conventions. Oct 28, 2020 power transformer definition a power transformer is a static machine used for transforming power from one circuit to another without changing frequency. Basics of the electric grid and the power industry, explained.
The instrument whose working depends on the principle of attraction or repulsion of electrodes that carry electrical charges such type of instrument is known as the electrostatic instrument. Dielectric any insulating medium, which intervenes between two conductors and permits electrostatic attraction and repulsion to take place across it dielectric test tests which consist of the application of a voltage higher than that of the rated voltage for a specified time for the purpose of determining the adequacy against breakdown of insulating materials and spacing under. Hybrid power source the source of power in a hybrid vehicle. Conductor any material where electric current can flow freely. Electrical basics sample drawing index basics 1 overall plant 1line. Definition, symbol, and types of diodes electrical4u. Dictionary of medical terms 0 76 7603 5 dictionary of nursing 0 7475 6634 8. Glossary of terms used in programmable controllerbased systems from industrial text and video co. This is the main electrical panel which holds all the fuses, and more modern. Adapter a cord or block style device with different ends that allows different devices to connect ac alternating current.
Electronics definition electronics and electrical tutorial. Training material, magnetism, dc theory, dc circuits, batteries, dc. Iec stands for the international electrotechnical commission. Electricians are skilled tradespeople working in a variety of different residential and industrial settings. Glossary of terms used in programmable controllerbased. An electrical term meaning to connect to the earth. The list of adas features is extensive and includes driver monitoring systems dms to monitor a drivers attention. Explainer by lauren dunlap, kathryne cleary, and karen palmer 3 minute read march 3, 2020 download. Physics terms definitions and units page 5 ph2 ref. Electricity, phenomenon associated with stationary or moving electric charges. You can see our cookies policy, here if you continue browsing this site, you are accepting its use.
The contract is based on all employees of the contractor who work on the site of the works under the electrical, electronic and communications industry state award being able to work a full 38 hours per week under the terms of such award, irrespective of weather. In broader terms, it refers to the aggregate of electric generating plants, transmission lines, and relatedequipment. They consume no petroleumbased fuel and produce no tailpipe emissions. The dod dictionary is accessible online in pdf format on the jel joint electronic library internet at.
This glossary is designed to demystify some of these terms and explain their origins. 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. The total number of amps required by all of the equipment in a furniture installation will dictate the number of circuits required. An agreement between the purchasing authority and the contractor that the terms and conditions of the contract have been met. In electricity the particle involved is the electron, which carries a negative charge. Basic electrical terms and definitions electricalmag. In practice, there are three general possibilities. A form of treatment that uses electrical energy, heat, cold, alcohol, or other modalities to destroy a small section of damaged tissue. Download free engineering books related to mechanical, civil, electrical, petroleum engineering, science and math etc. Components can be classified as passive, active, or electromechanic.
The sdt maintained the exclusion but changed the wording from out. What follows is a fairly long list of musical definitions and descriptions gleaned primarily from multiple internetarchesse utilizing available translation services. The term may refer to those facilities within one electric utility, or within a group of utilities in which the transmission lines are interconnected. Simply put, it is a measure of how much energy is used in a span of time. The strict physics definition treats passive components as ones that cannot supply energy themselves, whereas a battery would be seen as an active component since it truly acts as a source of energy however, electronic engineers who perform circuit analysis use a more restrictive definition of passivity. Visit our website for full details of all our books. In terms of the four stages of a sound attack, decay, sustain and release, or adsr, a sounds attack is the point where the sound begins and increases in volume to its peak. They receive electricity by plugging into the grid and store it in batteries. The existing nerc glossary of terms definition of sps or ras excludes out. Adjacent balancing authority project 200812 262014 6302014. Electric energy and power definition, formula, unit and. Attenuation the reduction of electrical or acoustic signal strength.
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