Transformer BEE2123 ELECTRICAL MACHINES Mohd Rusllim Bin Mohamed Ext: 2080 A1-E10-C09 rusllim@ump.edu.my © MRM 05 Learning Outcomes At the end of the lecture‚ student should to: Understand the principle and the nature of static machines of transformer. Perform an analysis on transformers which their principles are basic to the understanding of electrical machines. © MRM 05 Introduction A transformer is a static machines. The word „transformer‟ comes form
Premium Transformer
Three phase transformers are used throughout industry to change values of three-phase voltage and current. Since three-phase power is the most common way in which power is produced‚ transmitted‚ and used‚ an understanding of how three phase transformer connections are made is essential. In this section it will discuss different types of three phase transformers connections. A three-phase transformer is constructed by winding three single-phase transformers on a single core. These transformers are
Premium Transformer
Chapter (9) Single-Phase Motors Introduction As the name suggests‚ these motors are used on single-phase supply. Singlephase motors are the most familiar of all electric motors because they are extensively used in home appliances‚ shops‚ offices etc. It is true that singlephase motors are less efficient substitute for 3-phase motors but 3-phase power is normally not available except in large commercial and industrial establishments. Since electric power was originally generated and distributed
Premium Electric motor Induction motor Electric motors
Ques-1: What is a transformer and how does it work? Ans: A transformer is an electrical apparatus designed to convert alternating current from one voltage to another. It can be designed to “step up” or “step down” voltages and works on the magnetic induction principle. A transformer has no moving parts and is a completely static solid state device‚ which insures‚ under normal operating conditions‚ a long and trouble-free life. Construction of transformer is very simple‚ two or more coils of insulated
Premium Transformer Alternating current
Transformer Introduction The transformer is one of the simplest of electrical devices. Its basic design‚ materials‚ and principles have changed little over the last one hundred years‚ yet transformer designs and materials continue to be improved. Transformers are essential in high voltage power transmission providing an economical means of transmitting power over large distances. The simplicity‚ reliability‚ and economy of conversion of voltages by transformers was the principal factor in the
Premium Transformer
A transformer is a static machine used for transforming power from one circuit to another without changing frequency. This is very basic definition of transformer. History of Transformer The History of transformer commenced in the year of 1880. In the year of 1950 400KV electrical power transformer first introduced in high voltage electrical power system. In the early 1970s unit rating as large as 1100MVA were produced and 800KV and even higher KV class transformers were manufactured in year
Premium Transformer Electromagnetism
Experiment No: 2 Open circuit and short circuit tests on single phase transformer 1 Aim • To understand the basic working principle of a transformer. • To obtain the equivalent circuit parameters from OC and SC tests‚ and to estimate efficiency & regulation at various loads. 2 Theory The physical basis of the transformer is mutual induction between two circuits linked by a common magnetic field. Transformer is required to pass electrical energy from one circuit to another‚ via the medium
Premium Transformer Magnetic core Inductor
Special Report Transformers Transformers are essential pieces of electrical equipment that help to transmit and distribute electricity efficiently and reliably. They also help maintain power quality and control‚ and facilitate electrical networks. ABB is a global leader in transformer technologies that enable utility and industry customers to improve their energy efficiency while lowering environmental impact. Our key technologies include small‚ medium and large power transformers‚ as well as traction
Premium Transformer Electric power transmission
TRANSFORMER PROJECT You can make a transformer from magnet wire and an iron rod. Remember that magnet wire‚ although it looks bare‚ actually has an enamel coating on the outside that serves as insulation. Enamel is used on magnet wire so that the insulation is very thin and the coil of wire can be compacted into a smaller space‚ thus enhancing the inductive phenomenon. small gauge wire and cause it to melt‚ which is a very good example of how a fuse works‚ but could cause you to
Premium Alternating current
report submitted on: Transformers Class: 12 Submitted to: Mr. Jonny beaver‚ Physics teacher Submitted by: Mohammed Al Khabori 19 February 2011 Theoretical report Transformers I have generated series of questions‚ regarding the transformers‚ which are to be researched and answered. They are the following: * What is the history of transformers? * What is a transformer? * Which principle/laws does the transformer obey? * How can we construct a transformer? * How does a
Premium Transformer Inductor Faraday's law of induction