Types of computer power supply pdf

Normally you can classify the power supplies as at and atx. In case of power supplies, this means that no electric connection exists between the input side and the output side. The power supply unit is mounted just inside the back of the case. Application manual power supply units applications for. Thus, powersupply specifications should be checked if 50 or 400hz operation is contemplated. Here we will discuss different types of power supplies which have existed in the market world.

Generally there are two type of atx power supply, the older come only with 20 pin. A power supply unit or psu converts mains ac to lowvoltage regulated dc power for the. For a laptop, you need to be highly cautious because a little disturbance in power could dump your laptop. The different circuits require various kinds of power at different ranges and characteristics.

Ratings for power supply output voltages are nominal or approximate values, and. The power supply the power supply at and atx are the two types of power supplies that can be installed in any pc the atx form factor motherboard, with its unique atx power supply, dominates todays systems all power supplies share a number of common features such as the power connection, motherboard power, power. Fuses should be slowblowtype or equivalent to prevent nuisance trips. All components in a computer system can only function when there is power. Sharing of power with the help of types of computer power supplies is a mandatory thing. Electricity and power supplies amy hissomdaugherty. Power supply design guide for desktop platform form factors intel.

Pdf on jan 1, 2002, bernard aebischer and others published energy efficiency of. Figure 2 overview of power supply types the various power supply types are explained below in more detail. The efficiency of computer power supply units operated at least 20% of their nominal. Power supply block diagram classification of power supply and its different types. If you follow the computer s power cable, youll find that it attaches to the back of the power supply. So, the power is changed into the required form by adopting different power converters.

Types of switch mode power supply smps and its applications. Its the backside thats usually the only portion of the power supply that most people will ever see. Direct current dc current that travels in only one direction the type of electricity provided by batteries. Power supply is a very useful component in any computer system. The various types of voltage regulators, used in linear power supplies lps, fall in the category of dissipative regulator, as they have a voltage control element usually transistor or zener diode which dissipates power equal to the voltage difference between an unregulated input. This particular supply is also programmable via a computer, which leads us to the next type of supply. The different types of power supplies are classified as follows. Variable ac supply, linear regulated unregulated supplies, smps and ups. Converters belong to the category of switched mode power supplies smps. This is all about different types of power supplies which include linear power supplies, switching mode power supply, uninterrupted power supply.

A good power supply must be cost effective putting in mind the cost of operation. Asked in computer hardware what are the 3 types of power. Three types of silicon diode rectifier circuit may be. What is a power supply and types of power supply for. Pdf energy efficiency of computer power supplies researchgate.