Global Journal of Researches in Engineering Electrical and Electronics Engineering Volume 13 Issue 7 Version 1.0 Year 2013 Type: Double Blind Peer Reviewed International Research Journal Publisher: Global Journals Inc. (USA) Online ISSN: 2249-4596 & Print ISSN: 0975-5861 A Review on UPQC for Power Quality Distribution System Improvement in By B. Gopal‚ Pannala Krishna Murthy & G.N. Sreenivas I Khammam Institute of Technology & Sciences Abstract - In recent years‚ Power engineers
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HAZARD! TO PREVENT THE POSSIBILITY OF SEVERE PERSONAL INJURY‚ DEATH‚ OR EQUIPMENT DAMAGE DUE TO ELECTRICAL SHOCK‚ ALWAYS BE SURE THE POWER SUPPLY TO THE APPLIANCE IS DISCONNECTED BEFORE DOING ANY WORK ON THE APPLIANCE. THIS CAN NORMALLY BE ACCOMPLISHED BY SWITCHING THE BREAKER FOR THE AIR CONDITIONER TO OFF‚ DISCONNECTING ALL EXTERNAL ELECTRICAL CONNECTIONS AND CORDS‚ SWITCHING ON BOARD ELECTRICAL GENERATORS AND INVERTERS TO OFF‚ AND REMOVING THE CABLE FROM EACH POSITIVE TERMINAL ON ALL STORAGE AND STARTING
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BHARAT SANCHAR NIGAM LIMITED (A GOVT. OF INDIA ENTERPRISE) OFFICE OF THE C.G.M.T. AMBALA ***** RECRUITMENT OF TELECOM TECHNICAL ASSISTANT (TTA) for Haryana Telecom Circle Applications are invited from the eligible candidates for recruitment of 156 number of Telecom Technical Assistants by Haryana Telecom Circle for its various 09(Nine) Secondary Switching Areas (SSAs) as per details given below:Category wise Vacancies Physical Handicapped SC OBC Loco Hearing Name of SSA Total
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General Description and Typical Problems Environmental engineering is the application of science and engineering principles to improve the natural environment (air‚ water‚ and/or land resources)‚ to provide healthy water‚ air‚ and land for human habitation and for other organisms‚ and to remediate polluted sites. These engineers strive to improve the quality of waste water management and air pollution control‚ recycling‚ waste disposal‚ radiation protection‚ industrial hygiene‚ environmental sustainability
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e idea of the first cellular network was brainstormed in 1947. It was intended to be used for military purposes as a way of supplying troops with more advanced forms of communications. From 1947 till about 1979 several different forms of broadcasting technology emerged. The United States began to develop the AMPS (Advanced Mobile Phone Service) network‚ while European countries were developing their own forms of communication. 1.2 History of GSM Technology Europeans quickly realized the disadvantages
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Careers in Engineering 2011 Principles of Engineering 2/4/2011 Table of Contents Page 3- College Courses Page 4-High School Requirements Page 5-Nature Of Engineering Page 12-Training and Advancement Page 15-Employment Page 16-Job Outlook Page 22-Works Cited Page ------------------------------------------------- High School Requirements ------------------------------------------------- Field Description ------------------------------------------------- -------------------------------------------------
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its resonance frequency. In addition‚ the amplitude I0 of the AC current in a series LRC circuit depends on the amplitude V0 of the applied voltage and the impedance Z‚ which is a measure of the overall opposition of a circuit to the flow of an electrical current as ‚ So we just need to use the apparatus to measure the maximum voltage. As we know‚ at the resonance frequency‚ we have XL=XC and the impedance‚ Z is equal to the resistance R‚ where Z=R. Because the capacitative and inductive reactances
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digital multi-meters ”DMM”‚ oscilloscope and a function generator‚ as well as some resistors‚ capacitors and inductors‚ so we can have something to measure on. By the end of this experiment you should be able to tell how to use the equipment to measure voltage‚ current resistance‚ inductance‚ capacitance‚ frequency‚ period‚ rms voltage‚ peak-peak voltage‚ phase‚ as well as knowing how to generate waveforms using the function generator. NOTE: THIS LAB AND THE APPENDICES SERVE AS INTRODUCTIONS
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Abstract In our experiment‚ we analysed three-phase balanced or unbalanced circuits by using PSpice 9.1 and the same way is used to analyse single-phase ac circuit. We determined the value of generator current Iab‚ line current IbB‚ and the phase current IBC. Initially‚ PSpice is used to draw a schematic diagram of circuit A. Under the simulation‚ two major problems were occurred. First‚ a delta connected source is a loop of voltage sources which must be prevented when PSpice is used. To prevent
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connected graph is assigned a direction. Example : Single-line diagram: 2 4 1 G G 3 G Oriented connected graph: 7 1 6 2 3 4 5 4 2 1 3 0 Bus Admittance Matrix 1 -- A.C. Nerves‚ U.P. Dept. of Electrical & Electronics Engineering‚ Nov. 13 2003 1 § Tree – a connected subgraph containing all nodes of a graph but no closed path. § Branches – the elements of a tree § Number of branches b required to form a tree: b = n −1 where n = no. of
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