creating future smart grids. NPS – Current breaking solutions from 25 A – 630 A. – Manual or remote motor controlled configurations available. – Capability to install additional pole equipment for different distribution network needs. Features – Mechanically stable structure to suit different climatic conditions. – Flexible mounting and installation options. – Modular NPS design minimizes on site assembly and installation time. – Wide range of breaking current parameters.
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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
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Measuring the Resistivity of Copper Wire of Different Lengths In this report I will be writing about the experiment I will conduct on copper wire of different lengths. The dependent variable I will be measuring is the resistance of the Copper wire. To do this experiment‚ one needs to obtain measurements with a high degree of accuracy‚ taking care of the equipment they use and measuring each value to a certain degree of accuracy for all results. The problem with measuring the resistivity of Copper
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electropneumatic controllers ................................. 14 1.4 Advantages of electropneumatic controllers .................................. 17 Chapter 2 – Fundamentals of electrical technology ........................ 19 2.1 Direct current and alternating current............................................. 20 2.2 Ohm’s Law...................................................................................... 22 2.3 Function of a solenoid ........................................................
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Phase ‚ 2Wire Solid State ( Static) Fully Electronic Energy Meter Accuracy Class: 1.0 ‚ Current Rating (5-30) A‚ With Backlit LCD Display for 240 V System Fitted inside Pilfer Proof Meter Box 1.0 SCOPE a) This specification covers design‚ engineering‚ manufacture‚ testing‚ inspection and supply of A.C. Single phase‚ two wire solid state (static) fully electronic energy meters of accuracy class 1.0 and current rating (5-30) A‚ with backlit LCD display for 240 Volt systems as per requirement in this
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References: Engr. Supnet‚ Robert J.‚Direct-Current Circuits Laboratory Manual‚ Reviewers Phil. Publications‚123Kare-kare St. fieta Homes Subd.‚ SanJose Dasmariñas‚Cavite Hawa‚ Matal ( 2012‚ May 3) Wye-Delta Transformations. Retrieved from http://enjoy-electrical.blogspot.com/2012/05/wye-delta-transformations
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Safety Precautions and Lab Procedures Bret Niemeyer Abstract—The purpose of this paper is to provide you with safety precautions‚ lab procedures and reference materials to equip you with useful information in the computer electronics and technology fields. The topic is not complete‚ however it should introduce concepts and provide a framework of where to obtain important information for your safety and well-being. shut down of instruments. I. INTRODUCTION HIS DOCUMENT examines safety precautions
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Magnetism – Lab 19 Go to http://phet.colorado.edu/simulations/sims.php?sim=Magnets_and_Electromagnets and click on Run Now. Part I: 1. Move the compass slowly along a semicircular path above the bar magnet until you’ve put it on the opposite side of the bar magnet. Describe what happens to the compass needle. The white lead of the needle faces the South part of the magnet in a perpendicular way. When the needle is facing the center of the magnet‚ the lead turns to a 90 degree angle
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multi-meter and compared to the calculated values‚ and the measured percent error in the measurements were found to be within 1 percent error. 1.0 Introduction Kirchoff’s Current Law (KCL)‚ and Ohm’s law are use to find the three node-voltages‚ vA‚ vB‚ and‚ vC‚ of the given circuit (See Figure 1 below). KCL uses node currents and then applies Ohm’s law to derive an equation in terms of node voltages‚ resistors‚ and source voltages. These two laws are only needed when there is: known resistors‚
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IMPEDENCE (ZT) VR1 (rms) VC1 (rms) VR2 (rms) VC2 (rms) IT (rms) IR1 (rms) IC1 (rms) IR2 (rms) IC2 (rms) 1.25 kHz 800 !s 5.2 V (Z=E1/IT) 2352.94!-43.20° VOLTS !t ANGLE 1.81 V 96 !s 43.20° 2.76 V 106 !s -47.70° 2.06 V 53 !s 23.85° 2.06 V 53 !s 23.85° CURRENT ANGLE 2.210 mA 43.20° 2.210 mA 43.20° 2.168 mA 42.30° 2.060 mA 23.85° 0.760 mA 113.85° THEORETICAL CALCULATED VALUES 1.25 kHz 800 !s 5.2 V 2333.12!-43.22° 1.829!43.22° V 2.839!-46.78° V 2.092!23.02° V 2.092!23.02° V 2.230!43.22° mA 2.230!43.22°
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