voltage-response relay
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Relay 1 — was principally a communications satellite. It was launched atop a Delta rocket on December 13 1962 from LC 17 at Cape Canaveral Air Force Station. Included in its payload were radiation experiments designed to map the earth s radiation belts.… … Wikipedia
Voltage regulator — A popular three pin 12 V DC voltage regulator IC. A voltage regulator is an electrical regulator designed to automatically maintain a constant voltage level. A voltage regulator may be a simple feed forward design or may include negative feedback … Wikipedia
Relay program — The Relay program consisted of Relay 1 and Relay 2, two early American satellites.Relay 1 was launched December 13 1962, and was principally a communications satellite. Included in its payload were radiation experiments designed to map Earth s… … Wikipedia
Digital protective relay — In electrical engineering of power systems, a digital protective relay uses a microcontroller with software based protection algorithms for the detection of electrical faults. Such relays are also termed as microprocessor type protective relays.… … Wikipedia
Protective relay — See also: Power system protection In electrical engineering, a protective relay is a complex electromechanical apparatus, often with more than one coil, designed to calculate operating conditions on an electrical circuit and trip circuit breakers … Wikipedia
Grid friendly — Electrical devices are considered grid friendly if they operate in a manner that supports electrical power grid reliability. Basic grid friendly devices may incorporate features that work to offset short term undesirable changes in line frequency … Wikipedia
Varistor — A 385 volt metal oxide varistor A varistor is an electronic component with a diode like nonlinear current–voltage characteristic. The name is a portmanteau of variable resistor. Varistors are often used to protect circuits against excessive… … Wikipedia
College of Engineering and Technology, Bhubaneswar — COLLEGE OF ENGINEERING AND TECHNOLOGY, BHUBANESHWAR Motto Karmanewa Hi Sansidhim Established 1981 Type Education and research institution … Wikipedia
Control of the National Grid — The National Grid is the high voltage electric power transmission network in Great Britain, connecting power stations and major substations, and has a synchronized organization such that electricity generated anywhere in Great Britain can be used … Wikipedia
Control of the National Grid (UK) — The National Grid (UK) is the high voltage electric power transmission network in Great Britain, connecting power stations and major substations to ensure that electricity generated anywhere in Great Britain can be used to satisfy demand… … Wikipedia
optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… … Universalium
