Types of computer power supply pdf

For a laptop, you need to be highly cautious because a little disturbance in power could dump your laptop. Sharing of power with the help of types of computer power supplies is a mandatory thing. 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. The power supply unit is mounted just inside the back of the case. Normally you can classify the power supplies as at and atx. A power supply unit or psu converts mains ac to lowvoltage regulated dc power for the. Three types of silicon diode rectifier circuit may be. Its the backside thats usually the only portion of the power supply that most people will ever see. Fuses should be slowblowtype or equivalent to prevent nuisance trips. Power supply is a very useful component in any computer system. Pdf on jan 1, 2002, bernard aebischer and others published energy efficiency of. Internal supply could also assist in converting power supply in the desired form.

The different types of power supplies are classified as follows. Thus, powersupply specifications should be checked if 50 or 400hz operation is contemplated. So, the power is changed into the required form by adopting different power converters. The main power conversion stage for this type of sup ply is usually a single or. Generally there are two type of atx power supply, the older come only with 20 pin. The different circuits require various kinds of power at different ranges and characteristics. Power supply block diagram classification of power supply and its different types. What is a power supply and types of power supply for. Here we will discuss different types of power supplies which have existed in the market world. Variable ac supply, linear regulated unregulated supplies, smps and ups.

The efficiency of computer power supply units operated at least 20% of their nominal. Pdf energy efficiency of computer power supplies researchgate. However, the explanations only deal with the basic technology and not with circuit engineering details. Power supply design guide for desktop platform form factors intel. Ratings for power supply output voltages are nominal or approximate values, and. All components in a computer system can only function when there is power. This particular supply is also programmable via a computer, which leads us to the next type of supply.

Electricity and power supplies amy hissomdaugherty. If you follow the computer s power cable, youll find that it attaches to the back of the power supply. This is all about different types of power supplies which include linear power supplies, switching mode power supply, uninterrupted power supply. In case of power supplies, this means that no electric connection exists between the input side and the output side. Types of switch mode power supply smps and its applications. Asked in computer hardware what are the 3 types of power. For armature hobbyist, they will hack the computer desktop power supply. The power supply circuit in any electrical and electronic circuit plays a vital role to give the power to the entire circuit. Application manual power supply units applications for. Converters belong to the category of switched mode power supplies smps. A good power supply must be cost effective putting in mind the cost of operation. You cannot get a power supply which will work on both consoles, therefore you will need to buy whatever power supply your console needs. Direct current dc current that travels in only one direction the type of electricity provided by batteries. Figure 2 overview of power supply types the various power supply types are explained below in more detail.