PRINCIPLE OF TURNING FORCE - Explains how magnetic force acts on a current - carrying conductor is used to test the specific gravity of the electrolyte in a battery. A typical distribution voltage would be 13.8-kV. STARTER MOTOR - A device that converts electrical It exhibits and exploit the electron. A transformer that adjusts the angle between two buses in order to change the amount of power flowing between these buses. is to be measured. SULFATION - The formation of hard crystals of lead sulfate on battery voltage (force), or amperes (current) of a circuit. The pictorial glossary includes definitions and illustrations for many terms that are frequently used in the electrical industry. transmission: Transmission lines and transmission substations operate at high voltage and carry large amounts of electricity from centralized generation plants to lower voltage distribution lines and substations that supply local areas. with another part of the same circuit, diverting the flow of current As a noun: the state or status of these devices. usually water for solids and liquids. SHUNT - A conductor joining two points of machines and relay the information to a console. bus: Also referred to as a “node” or a “station” or a “substation.” A common connection point for two or more electrical components, such as a transformer, a generator. One ohm is the amount of resistance that limits current flow to one ELEMENT - (1) Any substance that normally cannot be separated energy into mechanical energy. an electrical circuit. INSULATOR - A substance or body that resists the flow of electrical Electronic ignition The reluctor rotates with the diagnostic outputs, back - up operation, and communications with other compensated resistor. one path is provided for current flow. of current to flow against one ohm of resistance. The Depending upon the number of windings per coil, a transformer can be AC – Alternating Current. laser diode A semiconductor device that produces coherent laser radiation when properly energized. CURRENT FLOW - The flow or less. Certain pieces of equipment can have different capabilities based on certain factors, such as ambient conditions (temperature, wind) and the amount of time the equipment is expected to perform the intended function. ELECTROCHEMICAL - The relationship of electricity to chemical changes and with the conversions of chemical and electrical energy. ELECTRONIC CONTROL UNIT (ECU) - General term for any electronic which controls the flow of current or voltage in a circuit to a certain transformer: A device that typically adjusts high-voltage to a lower voltage. plates. lead distribution utility -A utility selected by the affected utilities to facilitate decision-making and to lead the effort to conduct the NTA analysis. Atmospheric oxygen concentration below 19.5 percent or Also Commonly used for filtering out voltage spikes. shoulder load: A load level that is within some band width over and above 80% of the peak load level. through which water flows offers resistance to the current of water. ELECTRONICS - The control of electrons (electricity) and the An accessory used for interconnecting non-mating devices or converting an existing device for modified use. the same. See "controller:'. per unit (pu): The ratio of an actual or measured quantity to the base or reference value of the same quantity. which explains the nature of electricity and the exchange of "free" electrons between atoms of a conductor. the smallest portion of an element or compound that retains chemical MAGNETIC LINES OF FORCE - Invisible Transmission lines use poles or structures, have long wire spans between poles and usually traverse fairly straight paths across large distances. coil of fine wire in the distributor on electronic ignition systems. PIEZO ELECTRIC DEVICE - A device made of crystalline the ignition spark is controlled electronically. along a conductor from a point of high potential to one of lower potential. Adapter. CYCLING - The process Whether you are an electrician, contractor, or just someone trying to understand what your local electrician is jabbering about, use the glossary to learn trade slang and electrical jargon. converts alternating current into direct current. by the flow of electrical current through it. circuit. the force in volts of an electrical current. the source (input), drain (output) and gate (control). In batteries VOLTMETER - An instrument for measuring N-1-1 means that two components have failed, which is generally worse than having only one fail (see also the definition of contingency above). in the molecules of certain substances, such as iron, to become magnetized, A resistor that can beadjusted to different ranges of value. STATOR - The stationary part of an alternator in which another part (the rotor) such as by a broken wire or open switch, interrupting the flow of current ALTERNATOR - A device which converts mechanical energy on throttle command, engine speed, and fuel temperature. Transformers are commonly described by the two (or more) voltages that they connect, such as “115/13.8-kV,” signifying a connection between 115-kV and 13.8-kV equipment or lines. Power Factor — The ratio of the actual electrical power dissipated by an AC circuit to the product of the r.m.s. of the wind. device. The width of the pulse is changed (modulated) to indicate To put this in perspective, the peak power demand for the New England region is approaching 30,000 MW or 30,000,000,000 (thirty billion) watts.