voltage reducing device

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• 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

• Voltage regulator tube — A voltage regulator tube (VR tube) is an electronic component used as a shunt regulator to hold a voltage constant at a pre determined level.Physically, these devices resemble vacuum tubes, but there are two main differences: * Their glass… …   Wikipedia

• Voltage multiplier — Villard cascade voltage multiplier. A voltage multiplier is an electrical circuit that converts AC electrical power from a lower voltage to a higher DC voltage, typically by means of a network of capacitors and diodes. Voltage multipliers can be… …   Wikipedia

• Power semiconductor device — Power semiconductor devices are semiconductor devices used as switches or rectifiers in power electronic circuits (switch mode power supplies for example). They are also called power devices or when used in integrated circuits, called power… …   Wikipedia

• High-voltage direct current — HVDC or high voltage, direct current electric power transmission systems contrast with the more common alternating current systems as a means for the bulk transmission of electrical power. The modern form of HVDC transmission uses technology… …   Wikipedia

• Dynamic voltage scaling — is a power management technique in computer architecture, where the voltage used in a component is increased or decreased, depending upon circumstances. Dynamic voltage scaling to increase voltage is known as overvolting; dynamic voltage scaling… …   Wikipedia

• Residual-current device — A two pole residual current device A Residual Current Device is a generic term covering both RCCBs and RCBOs. A Residual Current Circuit Breaker (RCCB) is an electrical wiring device that disconnects a circuit whenever it detects that the… …   Wikipedia

• Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …   Wikipedia

• Motor controller — A motor controller is a device or group of devices that serves to govern in some predetermined manner the performance of an electric motor.[1] A motor controller might include a manual or automatic means for starting and stopping the motor,… …   Wikipedia

• Nickel-cadmium battery — Batteries caption=From top to bottom Gumstick , AA, and AAA NiCd batteries. EtoW = 40–60 Wh/kg EtoS = 50–150 Wh/L PtoW = 150W/kg CtoDE= 70%–90% [ [http://www.batteryuniversity.com/partone 11.htm Charging nickel based batteries ] ] EtoCP= ? US$… …   Wikipedia

• railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… …   Universalium