School of Electrical and Electronic Engineering First Year Laboratory Semester 2 Module: Energy Transport and Conversion Code: EEEN10027 Lecturer: Dr Schofield Experiment: 3-Phase power system investigations Aims • • • To introduce 3-phase power systems as a common method to transmit electrical power over long and short distances. To investigate the effects of 3-phase loads on electrical power systems To investigate the differences between DELTA and STAR connections
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V battery & draws 0.1 A of current. How much power does it use? Show work: Answer ________________ EQUATIONS: Electrical energy (kWh) = Power (kW) X time (h) E=Pt Electrical Power (watts) = current (amps A) X voltage difference (volts) P=IV Current (amps
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A Working Radiant Free Energy System By Ossie Callanan – January 2007 A Working Radiant Free Energy System Introduction - By Ossie Callanan I believe I may have this radiant energy system worked out to the point where anyone can build it and when you build it‚ all of it‚ it can provide you with free and continuous energy. There are two sides to it and just having either side is no good‚ you must have both. Of course‚ one side is the motor/charger side‚ and the other is the battery and accumulatorconverter
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Investigatory Proposal: Organic Batteries VS Commercial Batteries (7-Rizal Grp.5 2009-2010) I. Introduction A. Background of the Study In the 21st century‚ billions of people rely on electrical energy in one form or another. Today‚ even in some of the most remote regions‚ electricity powers lights‚ radios‚ televisions‚ and many other devices that help people to be more productive‚ comfortable‚ and informed. In some places‚ electricity is generated by hydro-electric dams or coal-fired power
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Study the diagram and calculate the following: (Show all your calculations) A2= A3= V2= V4= V5= R1= R2= R3= Current electricity: 1) R = V / I 2) R = resistance measured in Ω‚ V = potential difference measured in Volts‚ I = current strength measured in amperes (A) 3) Complete the following table Resistance (Ω) | Current strength (A) | Potential difference (v) | 3.2 | 12 | 38 | 80 | 0.4 | V 32 | 75 | 96 | 7200 | 36 | 15 | R I 540
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Introduction The resistance of a wire depends on certain factors. Some of these variables are listed below: Length of wire Diameter or thickness of wire Temperature at which wire is kept The material of which wire is made out of. The potential difference or voltage. Humidity Cross sectional area. Voltage across circuit All these factors will have to be kept constant except the diameter of the wire whilst doing the experiment to ensure that the investigation is
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the voltage across a piece of material (such as wire) while the resistance is held constant. mathematical equation provides more detailed understanding of the law and is stated as : (or) where‚ R= resistance in ohms (Ω) V= potential difference in volt (V) I= current in ampere (A) The current in a circuit is directly proportional to the electric potential difference and inversely proportional to the total resistance. When only a small current results from a large voltage‚ there is a high resistance
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C between the points? V= WQ = 100J20C =5JC =5 V 3. How many electrons are there in a charge of 0.005 C? 3.12 ×1016 4. How much energy is required to move a charge containing 2.5x1013 electrons through a potential difference of 12 Volts? 43μJ 5. A charge of 500 mC (milli Coulombs) flows through a wire in 25 mS. What is the current? 20 A 6. A charge containing 3.7x1014 electrons flows through a wire in 150 uS (micro seconds). What is the current? .3933 A or 393.3 mA
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Journal of Pure and Applied Science & Technology Copyright © 2011 NLSS‚ Vol. 2(1)‚ Jan 2012‚ pp. 50-58 Analysis of Fault Current Limiter (FCL) for Voltage Sag Mitigation through MATLAB/SIMULINK 1‚ Vibhor Chauhan1‚*‚ Rishi Pratap Singh1 and Seema Dhariwal1 *Department of Electrical Engineering‚ Suresh Gyan Vihar University‚ Jaipur‚ India Continues growth of electrical energy demand is resulting in a corresponding increase in the short circuit in power system‚ which results in voltage
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mechanism) 1 Heavy Piece of Metal (seismic energy source) 1 Analog Voltmeter (for measuring sensed seismic signal amplitudes) 1 Amplifier DC Offset Circuit (for amplifying seismic signals sensed by geophone) -1 experimental socket board -6 volt lantern battery -47k Ohm resistor -2.2k Ohm resistor - ICL 7660 integrated circuit - IC 741 integrated circuit -1000 Ohm Potentiometer -10 microFarad capacitor (3) -Jumper wires (10) -4 mueller clip leads METHODS The first
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