LM317‚ NCV317 1.5 A Adjustable Output‚ Positive Voltage Regulator The LM317 is an adjustable 3−terminal positive voltage regulator capable of supplying in excess of 1.5 A over an output voltage range of 1.2 V to 37 V. This voltage regulator is exceptionally easy to use and requires only two external resistors to set the output voltage. Further‚ it employs internal current limiting‚ thermal shutdown and safe area compensation‚ making it essentially blow−out proof. The LM317 serves a wide variety
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built‚ a 240v-15v AC transformer is used‚ the 15v section of the transformer is solder to the vero board and a bridge rectifier is fixed to the wires on the board‚ the filtering capacitor (1000uf) is connected to DC output of the rectifier‚ then a voltage regulator (LM7812) is connected to the output of the rectifier‚ this steps completes the power supply so the parallel port cable is soldered to the board and the opto-isolator are placed carefully on the board and soldered to the wires of the 25DB
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the algebraic sum of all currents in a network of conductors meeting at a point is zero (Eq 1). (Eq 1) Kirchhoff’s Second Law‚ also called Kirchhoff’s Voltage Law (KVL)‚ states that the sum of the voltage gains in any closed loop is equivalent to the sum of the voltage drops in that loop. In other words‚ the algebraic sum of the voltages (Vk) in a closed loop is equal to zero (Eq 2). (Eq 2) Equations (1) and (2) are interrelated‚ and this can be demonstrated through modeling a basic electrical
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and their Maintenance 36.4 Demonstrate Knowledge and Understanding of Electrical Equipment Maintenance to include ‘Portable Equipment’ and ‘Fixed Equipment’ Below 1000 volts (Low Voltage) 36.5 Demonstrate Knowledge and Understanding of Electrical Equipment Maintenance Above 1000 volts (High Voltage) 36.6 Demonstrate Knowledge and Understanding of Electrical Instruments Assessment of the Unit An internal multiple choice question paper which covers outcomes 36.1 to 36.5 Internal
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Introduction FIGURE 1 : N-Channel JFET The Junction Field Effect Transistor (JFET) is a three terminal device that consists of drain‚ source‚ and gate. The JFET is a voltage-controlled‚ constant-current device and a unipolar device. For this experiment‚ we used the JFET Self-bias circuit which in particular we use the n-channel. This kind of circuit is simple yet effective and is the most common biasing method for JFETs. The important thing to know is that the gate is essentially
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Leads Laptop running pSpice Student Edition v9.1 Procedure For each of the following circuits :- (i) Generate a pSpice schematic that determines voltages and currents at all points of interest. (ii) In a UL setting (note this step will be necessary only for Lab1 and one other lab during the course of the semester) experimentally determine the voltage at the Node A and the currents that are highlighted in each circuit. (iii) For each circuit ensure that all results are presented in tabular form
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Department of Electronics and Communications Fall 2010 ELEC 0331: Industrial Electronics Assignment Deadline of Submission: 22nd December 2010 Sessions: A and B Assignment Outcomes The Assignment will help you to 1. Identify and analyze industrial electronic circuits 2. Construct‚ measure‚ and troubleshoot circuits in application to industrial electronics. Guidelines: * Assignment must be computer typed. * Font - Times
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EE 4225 Project Distribution Feeder Analysis 11/29/2010 Kris Bartell Matt Drzewiecki Evan Zaborski 1.0 Abstract This project offered the opportunity to simulate the voltage profile of an IEEE sample distribution feeder. Through an iterative process‚ this can be accomplished using a series of calculations. To achieve this goal‚ the simulation package Matlab was used as the driving force behind the programming and calculating. Discussion 2.1 Individual Segment Modeling To simulate
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follow them for life‚ and allow a solid knowledge base for the rest of their career. This report covers the analysis of a DC circuit in order to determine unknown values within a circuit and covers the design process of a DC circuit when specific voltages are required and current and resistors values are unknown. Introduction This laboratory focuses predominately on DC circuit analysis and design although‚ as a result of this‚ many fundamental aspects of electrical engineering and circuit theory
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challenge was to create a situation in a laboratory‚ have a neutral party to enforce the orders and inflict the pain where no one was hurt. So in order for there to be no real pain he use an electrical device with a 30-toggle switches labeled with voltage levels ranging from thirty volts to one-hundred fifty volts. The volts were grouped from slight shock with very little affect to severe shock with the most intense shock. They were artificial in the fact they gave an artificial feeling that was intensified
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