(INTRODUCTION)………………………………………………………..….6 1.1 About the Substation....…………………………..……………………………………6 1.2 Power Station………………………………………………………………………….7 1.2.1 Principle of Power Station…………………………………………………….……7 CHAPTER 2 (TRANSFORMER)……………………………………………………..…….9 2.1 Transformer..................................................................................................................9 2.1.1 Basic Principle………………………………………………………………..…….9 2.1.2 Induction law…………………………………………………………………
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Transformer What is a Transformer? A transformer is made from two coils‚ one on each side of a soft iron core. It can decrease the voltage (called a step down transformer). or increase the voltage (called a step up transformer‚ shown below). Alternating current is passed through the primary coil (the input) which creates a changing magnetic field in the iron core. The changing magnetic field then induces alternating current of the same frequency in the secondary coil (the output).
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substations. Substations are important part of power system and form a link between generating stations‚ transmission systems and distribution systems. It is an assembly of electrical components such as bus-bars‚ switchgear apparatus‚ power transformers etc. Their main functions are to receive power transmitted at high voltage from the generating stations and reduce the voltage to a value suitable for distribution. Some substations provide facilities for switching operations of transmission
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STAMFORD UNIVERSITY BANGLADESH. LAB-REPORT COURSE CODE : EEE 458. COURSE TITLE : POWER SYSTEM PROTECTION LAB. PERFORMANCE DATE : 25.01.2010 SUBMISSION DATE : 13.02.2010 SUBMITTED TO : Mr. Shaikhul Arefin Khan. Lecturer‚ Department of EEE‚ Stamford University‚ Bangladesh. This report is Prepared on the base of Energypac study tour in Saver. POWER SYSTEM PROTECTION LAB
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electrical energy or electrical energy to mechanical energy. When such a device is used to convert mechanical energy to electrical energy‚ it is called a generator. When it converts electrical energy to mechanical energy‚ it is called a motor. Transformer is a device that converts electrical energy to electrical energy from one level to other level. Electrical machines play a key role in modern daily life. Electric motors in the home run refrigerators‚ freezers‚ vacuum cleaners‚ blenders‚ air
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A Report On Summer Training Undertaken at Hindustan Zinc Limited‚ Debari CONTENTS About the Company History of the Company Sections in HZL Power requirement Organizational Chart Basic Processes Done Mining Roasting Leaching Zinc Electrolysis Melting & Ingots Formation Zinc & Its Uses Project- SWITCHYARD Zinc Smelter Debari is a Hydrometallurgical zinc smelter situated at Debari‚ about 13 kms from Udaipur‚ in Rajasthan‚ India. The primary product of Debari is
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DAY 1 (20/05/2013) AIS- air insulated substation. GIS- gas insulated substation. Delhi Transco Limited(DTL)‚ 220kV Mehrauli is an AIS‚ whereas the one in park street houses both AIS and GIS. The one situated in I.P.Estate‚ Ring road contains generation sector along with an AIS. An electricity board generally constitutes of three modules: Generation‚ Transmission and Distribution. The state electricity board of Delhi was broken into the above segments in 2002. Generation went under several corporations
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Electrical interview question: What is "pu" in electrical engineering? Answer: Pu stands for per unit and this will be used in power system single line diagram there it is like a huge electrical circuit with no of components (generators‚ transformers‚ loads) with different ratings (in MVA and KV). To bring all the ratings into common platform we use pu concept in which‚ in general largest MVA and KV ratings of the component is considered as base values‚ then all other component ratings will
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low-voltage‚ but their service was limited to highly localized areas and was used mainly for electric lighting. The limitations of d.c. transmission at low voltage became readily apparent. By 1890 the art in the development of an a.c. generator and transformer had been perfected to the point when a.c. supply was becoming common‚ displacing the earlier d.c. system. The first major a.c. power station was commissioned in 1890 at Deptford‚ supplying power to central London over a distance of 28 miles at 10
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PHYSICS PROJECT MADE BY: 39 AIM To investigate the relation between the ratio of 1. Input and Output voltage. 2. Number of turnings in the secondary coil and primary coil of a self made transformer. Certificate This is to certify that this project is an authenticated and benefited work of _______________of class XII-A of K.V.‚ Tagore Garden‚ New Delhi. During the course of the project‚ I found her hardworking with good understanding and a strong urge to learn this work to be useful
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