Power electronics lab 2010 to find latching current. The cookie settings on this website are set to allow cookies to give you the best browsing experience possible. This first experiment will familiarize you with the laboratory equipment and power pole circuit board. Power electronics lab manual vii sem ec set r1 and r2 to mid position and v1 and v2 to minimum. To obtain the vi characteristics of scr silicon controlled rectifier. In ece 469, the voltages will usually be kept low to minimize hazards. The details of the power pole board are discussed in later sections of this experiment. To study vi characteristics of scr and measure latching and holding currents. Mosfetirf740, power supplies, wattage resistors, ammeter, voltmeter, etc. With this in mind, the situations encountered in the power electronics laboratory course will often be unusual in an. Use mydaq digital multimeter dmm to test mysnap components if they appear to be damaged or not working properly. To study ujt trigger circuit for half wave and full wave control.
Always use a power switch to remove power when building circuits. Use eye protection when experimenting on your own circuits. The corresponding anode current when scr turns on is the latching. Analysis, design, and operation of power electronic circuits. Department of electrical and electronics engineering.
The power electronics laboratory is built around a reconfigurable circuit board, termed the power pole board, along with accessory daughterboards. Power electronics lab kg reddy college of engineering. Attention and adherence to safety considerations is even more important in a power electronics laboratory than is required in any other undergraduate electrical engineering laboratories. The entire lab material has been revised and new lab experiments are added. It does not affect lights or regular wall outlets in the lab.
Connections are made as shown in the circuit diagram. Be careful when working with spinning motors, and parts that can become hot. In particular, a power electronic circuit is intended to control or convert power at levels far above the device ratings. Pdf medium voltage high frequency dcdc convertor find, read and cite all the research you need on researchgate. Power electronics laboratory manual introductory material vii. Al ameen engineering college,kulappully s7 power electronics lab department of electrical and electronics experiment 2 r and rc firing circuit for scr aim. Pdf power electronics books collection free download. Lab material has been prepared together using microsoft word, pspice, and visio. Power electronics laboratory manual introductory material v safety the power electronics laboratory deals with power levels much higher than those in most electronics settings. Experiments of power eletronics lab download list of experiments. Set the gate current ig ig1 such that forward break over voltage is between 15 to 20 v, by varying r2 and v2.
Power electronics lab viva questions and answers pdf,power electronics lab viva questions with answers,power electronics lab viva free download. Lab manual power electronics ee460 page 2 of 80 summary the ee460 lab final report documents are the achievement during the lab development. To study the characteristics of mosfet apparatus required. Power electronic circuits can involve voltages of several hundred volts and currents of several tens of amperes. An exploration of the stateoftheart in power conversion techniques and power semiconductor devices, this books are the bottomdown approach, covering the characteristics of power semiconductor devices first and then the fundamentals of conversion techniques. To study operation of r and rc firing circuit for scr. Power electronics laboratory manual by grietelectrical. Ece 469 power electronics lab manual 2014 grainger ceme. Slowly vary v1 in steps of 2v and note down vak and iak at each step till scr. Power electronics laboratory user manual department of. If you continue to use this website without changing your cookie settings or you click accept below then you are consenting to this.
519 1191 415 826 331 1324 223 438 579 1065 1084 770 196 471 304 1478 809 1286 1232 1106 613 1186 498 642 604 1293 1132 588 982 472