What is Transformer and How it works

<h2 style="color: #262626; line-height: 1.3; margin: 0px; padding: 0px; text-align: center;"><span class="rendered_qtext" style="font-family: inherit; tab-size: 4;"><span style="font-size: 23px;">    </span><span style="font-size: x-large;"> What is the transformer?</span></span></h2><div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnZB9lzgliYSJz6zdEbOi4r1zwkDPRCLA0TiFXDNSAFAxJ1pV2TXzyNZwEhhWLzCKPN-2HgJC0NuoLZMrGjD3976PfwUDGzitpyoOK_iWoZEElGdDSWKg6O41mKwkmPN_1u3F5BXeha8o/s1600/A+New+Design+%25286%2529.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: inherit;"><img border="0" data-original-height="1599" data-original-width="1599" height="640" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnZB9lzgliYSJz6zdEbOi4r1zwkDPRCLA0TiFXDNSAFAxJ1pV2TXzyNZwEhhWLzCKPN-2HgJC0NuoLZMrGjD3976PfwUDGzitpyoOK_iWoZEElGdDSWKg6O41mKwkmPN_1u3F5BXeha8o/s640/A+New+Design+%25286%2529.jpg" width="640" /></span></a></div></div><h3><span style="font-family: inherit; font-size: large;">contents:</span></h3><div><ol><li><span style="font-family: inherit;">What is transformer</span></li><li><span style="font-family: inherit;">Common uses and types of transformer</span></li><li><span style="font-family: inherit;">Working principle<span style="font-size: 15px;"> of transformer</span></span></li></ol></div><h2><span style="font-family: inherit; font-size: large;">what is Transformer?</span></h2><div><span style="font-family: inherit;"><span style="font-family: inherit;"><span style="font-size: 15px;">A Transformer </span><span style="font-size: 15px;">is an electrical device that exploits Faraday's Law </span><span style="font-size: 15px;">of electromagnetic induction to transfer energy between two or more circuits.</span></span><span style="color: #333333; font-size: 15px;">Transformer is a static that it has no moving parts electrical device used to convert electrical power at a constant frequency from one voltage level to another.</span><span style="color: #333333; font-size: 15px;">It can only work on AC voltage. As the input is an AC voltage , the magnitude changes </span><span style="color: #333333; font-family: "q_serif" , "georgia" , "times" , "times new roman" , serif;"><span style="font-size: 15px;">sinusoidal way.</span></span><span style="color: #333333; font-size: 15px;"> </span><span style="color: #333333; font-size: 15px;">Commonly, transformers are used to increase or decrease the voltages of  alternating current in electric power applications.</span><span style="color: #333333; font-size: 15px;"> </span></span></div><div><span style="color: #333333; font-family: "q_serif" , "georgia" , "times" , "times new roman" , serif;"><span style="font-family: inherit; font-size: 15px;">Without changing frequency transformer transform electrical energy from one circuit to another as according with the principle of electromagnetic induction.</span></span></div><div><span style="color: #333333; font-family: "q_serif" , "georgia" , "times" , "times new roman" , serif;"><span style="font-family: inherit; font-size: 15px;"><br /></span></span></div><h2><span style="color: #333333; font-family: inherit; font-size: large;">Common uses and types of Transformer</span></h2><div><span style="color: #333333; font-family: inherit; font-size: 15px;">There are two main types of transformer:</span></div><div><ol><li><span style="font-family: inherit;">Step up</span></li><li><span style="font-family: inherit;">Step down</span></li></ol><div><span style="font-family: inherit;">These types are used to step up or step down the ac voltages.</span></div></div><div><span style="font-family: inherit;">A step up transformer is used for <span style="color: #333333; font-size: 15px;">transmission purpose while a step down for distribution.</span></span></div><div><span style="color: #333333; font-family: inherit; font-size: 15px;"><br /></span></div><div><span style="color: #333333; font-family: inherit; font-size: 15px;">According to construction there are two types:</span></div><div><ol><li><span style="font-family: inherit;">Core type</span></li><li><span style="font-family: inherit;">shell type</span></li></ol><div><span style="font-family: inherit;">There are two types of connection in transformers:</span></div></div><div><ol><li><span style="font-family: inherit;">Star connection</span></li><li><span style="font-family: inherit;">Delta connection</span></li></ol><div><span style="font-family: inherit;">Transformers are really important in the field of of power.it can be used as high or low voltage as needed.</span></div></div><div><span style="font-family: inherit;"><br /></span></div><h2><span style="font-family: inherit;">Working principle of Transformer</span></h2><div><span style="font-family: inherit;"><span style="color: #333333; font-size: 15px;">When an </span><span style="color: #333333; font-size: 15px;">electric current flows through a wire, it generates a </span><span style="color: #333333; font-size: 15px;">magnetic field</span><span style="color: #333333; font-size: 15px;"> or magnetic flux all around it.</span><span style="color: #333333; font-size: 15px;"> The strength of this field is directly proportional to the value of the current. Thus a magnetic field produced in this way may be turned on and off, reversed, and varied in strength very simply. The magnetic field can be visualized as lines of </span><span style="color: #333333; font-size: 15px;">magnetic flux </span><span style="color: #333333; font-size: 15px;">that form closed paths.</span></span></div><div><span style="font-family: inherit;"><span style="color: #333333; font-family: inherit; font-size: 15px;"><br /></span></span><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiAQShnBROkxBYk-V8CxRgX-J-7GnT-sNqVhEmgAZL-NLrEnGTHn0JYZDJFdOnUV0Dl747aIchi0xFHgPrVrS4enWA14IsdQpPmTPRL-E4RnuK7RCKG4422zZ3JTFMNSao1YEiisQwosJk/s1600/Capture.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: inherit;"><img border="0" data-original-height="401" data-original-width="767" height="207" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiAQShnBROkxBYk-V8CxRgX-J-7GnT-sNqVhEmgAZL-NLrEnGTHn0JYZDJFdOnUV0Dl747aIchi0xFHgPrVrS4enWA14IsdQpPmTPRL-E4RnuK7RCKG4422zZ3JTFMNSao1YEiisQwosJk/s400/Capture.JPG" width="400" /></span></a></div><span style="font-family: inherit;"><span style="color: #333333; font-family: inherit; font-size: 15px;"><br /></span></span><span style="font-family: inherit;"><span style="color: #333333; font-family: inherit; font-size: 15px;"> if we put a second coil of wire next to the first one, and send a fluctuating electric current into the first coil, we will create an electric current in the second wire. This is called <b>electromagnetic induction </b>because the <i>alternating current in the first coil causes (or "induces") a current in the second coil</i>.</span></span><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGZoT-rliVOggi6QWwkYE6ag2GEDDNZuAToIKpG2zyEJXG21iM6CTY72S7IJCxRyGUmMsdOp1vvqlECGPYdOOI02O_WdR1mOwh_s8bmlTCL290exAaBl7E-z_HU_yV1YhaQ2HTau_wwKU/s1600/aaa.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: inherit;"><img border="0" data-original-height="378" data-original-width="436" height="346" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGZoT-rliVOggi6QWwkYE6ag2GEDDNZuAToIKpG2zyEJXG21iM6CTY72S7IJCxRyGUmMsdOp1vvqlECGPYdOOI02O_WdR1mOwh_s8bmlTCL290exAaBl7E-z_HU_yV1YhaQ2HTau_wwKU/s400/aaa.JPG" width="400" /></span></a></div><span style="font-family: inherit;"><span style="color: #333333; font-family: inherit; font-size: 15px;"><br /></span></span><span style="font-family: inherit;"><span style="color: #333333; font-family: inherit; font-size: 15px;"><br /></span></span><span style="font-family: inherit;"><span style="color: #333333; font-family: inherit; font-size: 15px;">The first coil, which takes electrical power from the source,  is called the <b>primary winding</b>, and the second coil, which gives the desired output voltage, is known as the <b>secondary winding</b>.</span></span><br /><span style="font-family: inherit;"><span style="color: #333333; font-family: inherit; font-size: 15px;"><br /></span></span><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhf63jmVD6gwNKuaUkAdM-JrPGqBXppx4dWd_oGBSDRT4MaSf1sr9_PkFftbtRgGDvINmobAMsaawWrufACvUDN00nXtBLXGE1T9j2yUpO2mbGZo7B9QlMFtZvpiVxMZXQmsvIguxSW5uc/s1600/Captureaaa.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: inherit;"><img border="0" data-original-height="354" data-original-width="462" height="306" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhf63jmVD6gwNKuaUkAdM-JrPGqBXppx4dWd_oGBSDRT4MaSf1sr9_PkFftbtRgGDvINmobAMsaawWrufACvUDN00nXtBLXGE1T9j2yUpO2mbGZo7B9QlMFtZvpiVxMZXQmsvIguxSW5uc/s400/Captureaaa.JPG" width="400" /></span></a></div><span style="font-family: inherit;"><span style="color: #333333; font-family: inherit; font-size: 15px;"><br /></span></span><br /><h2><span style="font-family: inherit; font-size: large;"><span style="font-family: inherit;"><span style="color: #333333; font-size: 15px;"><br /></span></span><span style="font-family: inherit;"><span style="color: #333333; font-size: 15px;"><b>Step-down transformers</b></span></span></span></h2><span style="font-family: inherit;"><span style="color: #333333;"><span style="font-size: 15px;">If the secondary voltage is smaller than the primary voltage this is the step down transformer.</span></span><span style="color: #333333; font-size: 15px;"> </span><span style="color: #333333; font-size: 15px;">The current is transformed the opposite way—increased in size—in a step-down transformer.</span></span><br /><h2><span style="font-family: inherit; font-size: large;"><span style="color: #333333;"><br /></span><b style="color: #333333;">Step-up transformers</b></span></h2></div><div><span style="font-family: inherit;">In the step up transformer the voltage will increase .The boost up in the voltages from low to high is called a step up transformer.The more turns on the secondary coil then the primary.it has bigger secondary voltage but smaller secondary current.</span></div><div><span style="font-family: inherit;"><br /></span></div><div><span style="font-family: inherit;"><br /></span></div><div><span style="font-family: inherit;"><span style="color: #333333; font-size: 15px;">In an ideal transformer, the induced voltage in the secondary winding (</span><i style="color: #333333; font-size: 15px;">V</i><span style="color: #333333; font-size: 15px;">s) is in proportion to the primary voltage (</span><i style="color: #333333; font-size: 15px;">V</i><span style="color: #333333; font-size: 15px;">p) and is given by the ratio of the number of turns in the secondary (</span><i style="color: #333333; font-size: 15px;">N</i><span style="color: #333333; font-size: 15px;">s) to the number of turns in the primary (</span><i style="color: #333333; font-size: 15px;">N</i><span style="color: #333333; font-size: 15px;">p) as follows:</span></span><br /><div class="qtext_image_wrapper" style="color: #333333; font-size: 15px; margin-bottom: 1em; position: relative;"></div></div><div><span style="font-family: inherit;"><img src="https://qph.ec.quoracdn.net/main-qimg-521766049eb684cb2f31326f279deb7d.webp" /></span></div><div><span style="font-family: inherit;"><br /></span></div><h2><span style="font-family: inherit;">Conclusion</span></h2><div><span style="font-family: inherit;">In this article we have just review some basic concepts of the transformer.In the coming posts we will discuss the detail construction and types of the transformer.</span></div>

Electric / Electronic Components, How-To

What is Transformer and How it works

     What is the transformer? contents: What is transformer Common uses and types of transformer Working principle  of transformer what is T...