Build A PC Power Supply

Built computer power supplyBuilt a PC power supply basically quite simple. It consists of a housing made of metal. A Euro unit connector is for connecting to the socket, and there is a power switch. The PC power supply has at least one fan. There are power supply that work with multiple fans.

The task of the PC power supply is to convert the 230 volt Alternating Current(AC) into Direct Current (DC). This is completed by using rectifiers and smoothing capacitors. In a transistor, this current is once again divided into several kHz AC voltages from 15 to 50. By a transformer this AC voltages are converted again. The result is 3.3, 5 and 12 volts voltage that will be converted into direct current (DC).

With these DC voltages are now able to be supplied to individual lines and power plug to the components and the PCB. There are several important lines, which are color coded. The power connector has 20 or 24 poles and distributes the voltage to 3.3, 5 and 12 volts at the interfaces. Here are the lines for mass, power-OK, PS-ON, 5VSB standby power, on and off switch and the Sense Amp This is important to compensate for voltage fluctuations and losses in the PC power supply.

Power to the hard disk is distributed through a 4-pin PATA connector. It has 15 connections, ground line,12 volt and 5 volt lines. Alternatively, it is a SATA drive, which also works with the 3.3 volt, the board requires a 20 or 24 pin socket for the ATAX connector and a 4 or 8 pin socket. There are components that require more power. These include graphics cards and CPU. These component will be provided with an additional power line. For graphics card or CPU would be 6 or 8 pole 12 volt channel of the PC power supply.

Power supply is an electronic device that supplies electric energy to an electrical load. The primary function of a power supply is to convert one form of electrical energy to another and, as a result, power supplies are sometimes referred to as electric power converters. Some power supplies are discrete, stand-alone devices, whereas others are built into larger devices along with their loads. Examples of the latter include power supplies found in desktop computers and consumer electronics devices.


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