(Computers) transformer that pulls the amount of electricity needed and converts the AC current to DC current and regulates the voltage to eliminate voltage or current surges
A part of the computer that converts the power from a wall outlet into the lower voltages, typically 5 to 12 volts DC, required internally in the computer PC power supplies are usually rated in watts, ranging from 90 watts at the low end to 300 watts at the high end If the power supply in your computer fails, nothing works, not even the fan
A subsection of a component that takes AC line voltage and converts it to one or more DC voltages to operate the rest of the circuitry In audio, power supply design can have an enormous influence on noise levels and the maximum output power an amplifier can produce
A device converting readily available power, usually standard alternating current, into voltages necessary to energise laser tubes A power supply is also known as an exciter It may also include other functions such as monitoring the laser's light output or current draw A power supply (exciter) is usually closely matched to a particular type of laser tube Power supplies for high-power lasers (0 5 watt and above) often require 208 or 440 volts three-phase, and are cooled with flowing water The exciter (power supply) is one of the two main parts of a laser; the other is the laser head
There are four types of power supply: base supply; semi-base supply in winter periods, peak supply in periods of peak demand and back-up supply supplementing the base supply
A source for the power needed for active electronic circuitry Can consist of one or more batteries, or an electronic circuit which converts AC line voltage to the type of power required by a particular device
The device in a computer that converts ordinary 110 VAC to the DC voltages used by the computer If you look inside your desktop system unit, it's the metal box with the fan and on-off switch on its sides
The box inside your computer that supplies it with the electricity that it needs The Power Supply converts the house AC current to voltages the computer can use, 3 3, 5, and 12 volts DC
A device that converts electricity from the wall socket to a lower voltage appropriate for computer components and regulates the voltage to eliminate surges common in most electrical systems
A transformer and voltage control device in a computer that furnishes power to all the machine's components Because a computer may have several floppy drives, a large hard drive, and a variety of accessory boards, a computer should have about 200 watts of power available Know the size of the power supply in any computer you are purchasing, and beware of anything below 200 watts
The power source for the phone system is a very important consideration If the power is interrupted, the PBX system will cease to function unless its power supply is incorporated with a UPS system or rectifier/battery system The best way to go for power is the rectifier with battery back-up (a heavy-duty UPS system especially designed for telephone equipment) Different PBX systems can be ordered to run on 120V AC or 48-V DC The 48-V DC system is designed to be powered by a rectifier The 120V AC system is designed to run on standard outlet power or a UPS system
The part of a circuit that supplies power to the entire circuit or part of the circuit Usually a separate unit that supplies power to a specific part of the circuit in a system
The power supply converts the 120 V AC household current to more manageable voltages (2 V, 5 V, 12 V) DC useable by the components of the computer Modern power supplies also contain some protection against spikes in the power which could damage components of the computer