Ac motor, main drive controller assembly, and driveoperator interface 210211 ac motor. The advantage of four quadrant chopper over dual converter is that it does not use inductor. Implement fourquadrant chopper dc drive simulink mathworks. The experimental set up consists of a four quadrant igbt based chopper driver model pec16hv3. Four quadrant chopper drive for dc motor electronics full. Some of these applications include electric traction systems, cranes and lifts, cable laying winders, and engine test loading systems. Each arm includes two high power igbt transistors which, in turn, are connected in antiparallel with a diode.
In order to be able to feed energy back to the grid, drive converters with higher output are often rated for 4 quadrant operation, which means they consist of two topologically identical converters at the grid side and the machine side. Waveforms corresponding to the output voltage vo and the output current io of the fullbridge chopper are identical to those for halfbridge fourquadrants chopper shown in the lab no. Class e chopper operation power electronics a to z. Fourquadrant fullbridge choppers pwm controlled with. Thurel cern, geneva, switzerland abstract this paper deals with the design of a true fourquadrant power converter. Introduction of dc motor control using igbt chopper, working of four quadrant chopper operation, block diagram for dc motor control using igbt chopper, circuit diagram for igbt chopper. These devices are generally represented by a switch. Igbts are used for the switching operation of the chopper. Chopper basics, types, applications power electronics a to z. A four quadrant adjustable speed drive for series wound dc motors a dissertation submitted by. Isolation card is also used as a precaution for the igbt s.
The four quadrant operation of class e chopper system can be achieved by means of two quadrant choppers connected as shown in the below figure. This drive features closedloop speed control with one quadrant operation. Using isolated gate drivers for mosfet, igbt and sic applications nagarajan sridhar strategic marketing manager new products and roadmap. Jul 04, 20 mosfet, transistor, power transistor, igbt, scr, triac, relays etc. Switch applications single, two, and four quadrant switches.
Because this chopper is a combina tion of the firstquadrant chopper in figure. Based on the number of quadrant a chopper can operate, the chopper circuits can be classified as. The 4 quadrant chopper has certain advantage such as high operational frequency, smooth and linear control, high efficiency and fast response 2, 3. The igbt combines the simple gatedrive characteristics of the. Dc dc converter provides an isolated, uzoff 786 v 12. Four quadrant operation means the drive can operate the motor in four different modes by.
Using isolated gate drivers for mosfet, igbt and sic. Using the block from the library, with internal parameter ra0. This type of device can also be used in industries for controlling the devices. Because of the four quadrant there is rotation of the d. Care must be taken if the power source and the base, or gate driver, circuit have a common terminal.
An1001 igbt and mosfet drivers correctly calculated this application note describes the calculation of the gate drive performance figures required for a given application. Four quadrant chopper drive use for speed control of dc motor. Some types of singlephase motors or synchronous motors can be advantageous in some situations, but. Four quadrant speed control of dc motor using chopper ijir. Citeseerx document details isaac councill, lee giles, pradeep teregowda. This paper is the part four 4 of the total 8 papers of the series motor four quadrants dc chopper that describes the generator mode operation of a four quadrant drive dc chopper that is. This drive features closedloop speed control with four quadrant operation. Jun 08, 2019 chopper can increase or decrease the dc voltage level at its opposite side. A chopper is a device that converts fixed dc input to a variable dc output voltage directly. In this paper present four quadrant speed control model is designed by using chopper to control the speed of dc motor. In class e chopper the load is active ie, motor load.
Four quadrant operation of chopper fed separately excited dc. Igbt gate driver model a complete simulation model of the chopper and controllers is shown in figure 10. Four quadrant chopper 1 hp dc machine speed and direction. This is effective and the reliable design for controlling the speed of motor. Drivers name is skyper 32 pro r, and it is a professional version and top of the range of the drivers for igbt modules type chosen hermwille, 2004. Matlab simulation on speed control of four quadrant dc drive. An9902 2quadrant and 4quadrant dcdc converters gate. The pwm converters generate pulsemodulated signal that are compared with. Chopper igbt module 300a 600v electrical characteristics of diode symbol parameter min. The igbt internal diode is used as a freewheeling diode, because in the majority of. Conclusions this paper presents on matlab simulation on speed control of four quadrant dc drive using chopper. The conclusion is provided in section iv and future cope in section v.
Introduction of dc motor control using igbt chopper. Matlab simulation on speed control of four quadrant dc. Four channel igbt chopper module rated at 1,500 amps, basic control and trigger board plus driver circuit for analog system dcs analog signals. Switzerland introduction whereas the most widely used dcdc converter topologies operate only in single quadrant mode, a 2 or 4 quadrant control range is required in some applications. Design and implementation of pid controller for a two.
Block diagram of a 4 quadrant igbt inverter 4 quadrant converter. Choppers circuits an overview sciencedirect topics. Ii which includes the operation of four quadrant chopper, igbt, interfacing circuit for adc, digital signal processor and gate driver circuit. For speed control of dc motor in both direction the chopper circuit is designed by using. The gates of these igbts are given pulse width modulation which provides the four quadrant operation. The chopper circuit consists of full bridge configuration.
Matlab simulation on speed control of four quadrant dc drive using chopper ragini sonbarse1, ankita ringe2, prof. Electric drive technology uses predominantly threephase synchronous or asynchronous machines. The circuit diagram of the type d chopper is shown in the above figure. The one quadrant chopper dc drive dc5 block represents a one quadrant, dcsupplied, chopper or dcdc pwm converter drive for dc motors. Implementation of series motor four quadrant dc chopper. Four quadrant operations of dc motor electronics hub. The igbt is driven from the driver circuit, providing a voltage u dr at its output. Full bridge bidirectional pmdc drive using chopper fed igbt. Moreover, the performance of proposed controller structure is tested in a real.
The fourquadrant chopper dc drive dc7 block represents a four quadrant, dcsupplied, chopper or dcdc pwm converter drive for dc motors. Insulated gate bipolar transistors igbt is used for switching on and off of the motor. Download four quadrant chopper drive for dc motor electronics full project report. Design and implementation of four quadrant dc drive using chopper. The ac supply in fed to the setup through an isolation transformer and it is rectified to dc for its use. The power semiconductor devices used for a chopper circuit can be force commutated thyristor, power bjt, mosfet and igbt. Although designed for driving discrete and module igbts, this device offers a.
When v 0 v s the two choppers will be off but both the diodes d1 and d2 will start conducting. The switch is assumed to be ideal with zero voltage across it when on, and full battery voltage across it when off. Nominal current of igbt transistor is 200 a in the case of longterm use. Diagram brake chopper driver explanation block diagram 4. Four quadrant operation of chopper international journal of. This type of chopper is widely use in reversible motor drive.
Separately excited dc motor is formulated as a transfer for use in matlab. Four quadrant bidirectional dc drive system based on pwm technique using sg3524 for chopper dcdc converter d. Jan 16, 2017 four quadrant chopper drivesfour quadrant dc chopper drives learn and grow. Mute department of electrical engineering, descoet dhamangaon rly, india abstract in this paper present four quadrant speed control model is designed by using chopper to control the speed of dc motor. Simulation of fqdc chopper and controller igbt2 2 igbt1 1 scope4 matlab function igbt1 start stop igbt2 i1 i2 fcn goto5 par goto4 gen goto3 resb goto2 regb goto10 drv goto1 fw from2 ia from1tfr 15 discrete pid 4 pid. Class d twoquadrant operation 1, 4 quadrants only class e fourquadrant operation all four quadrants in some text books it will be named as class a, b,c whereas in some books it will be be type a, b, c b based turn off process commutation process natural commutated chopper occurs in ac input circuits. A four quadrant adjustable speed drive for series wound dc motors. An alternative approach to driving parallelconnected igbt modules is to use an individual driver for each module. The fourquadrant hbridge dc chopper is shown in figure 1 where the load current. The problem is the igbt driver chip always blows out when i switch on the dc supply. The speed below the base speed can be controlled by armature voltage control method. The four quadrant chopper dc drive dc7 block represents a four quadrant, dcsupplied, chopper or dcdc pwm converter drive for dc motors.
The simulation models and results are represented in section iii. Separately excited dc motor speed control using four quadrant. This topology is also used to achieve pwm singlephase. This drive features closedloop speed control with fourquadrant operation. It is a single quadrant chopper supplying an inductive type load. Mosfet vs igbt isolated gate driver and applications wide band gap semiconductors. The variable dc voltage is controlled by varying the on. Implementation of series motor four quadrant dc chopper for electric car and lrt via simulation model s. Two and fourquadrant dcdc converters with scale drivers. Types of chopper circuits type a, type b, type c, type d. The circuit for the examination of the igbt switching losses is presented in fig. The igbt gate driver which fires the igbt is simulated as in figure 9. To include and configure a snubber circuit for each switching device, use the snubbers parameters.
This drive features closedloop speed control with two quadrant operation. A lowcost fourquadrant chopperfed embedded dc drive using. Get best price and read about company and get contact details and address. This system can be enhanced by using higher power electronic devices to operate high capacity dc motors and less switching loss. Driver s name is skyper 32 pro r, and it is a professional version and top of the range of the drivers for igbt modules type chosen hermwille, 2004. Loni, india accepted 14 april 2016, available online 15 april 2016, vol. The fourquadrant chopper is realized by using two arms of semiconductor elements in modular form. The motors direction of rotation can be reversed without. The different quadrant operations drive the motor with.
The feedback for closed loop system is taken from a dynamo connected to the shaft of the motor. The speed control loop outputs the reference armature current of. A dc drive system is formed using four quadrant chopper as converter which uses igbt as its switching device. Four quadrant operation of chopper fed separately excited. A pwm controlled fourquadrant chopper is used to feed the dc motor. A chopper is high speed onof f semicon ductor device. This converter is intended to be used in the cern large hadron collider lhc project, which will use a huge number of true bipolar power converters. Thurel cern, geneva, switzerland abstract this paper deals with the design of a true four quadrant power converter. The pulse width modulation pwm is used foe switching operation of. As we are using a microcontroller design the speed adjustments are made automatically.
A brief survey of power semiconductor devices power diodes, mosfets, bjts, igbts, and thyristors 4. Type d chopper or twoquadrant type b chopper two quadrant type b chopper or d chopper circuit. Fourquadrant power converter based on output linear stage y. With the avail of speed measuring meter tachometer the speed of. With the use of four quadrant chopper fed dc motor. I am using a igbt gate driver ir2117 to drive a igbt which drives a 4 quadrant pmdc motor of 75 v dc. The final output will be similar to that of a pwm signal, which turns on and off at. So, chopper serves the same purpose in dc circuit transfers in case of ac circuit. Design and implementation of four quadrant dc drive using. The ac electric motor used in a vfd system is usually a threephase induction motor. Implementation of series motor four quadrant dc chopper for.
A high performance motor drive system must have good dynamic speed. The control subsystem includes the outer speedcontrol loop, the inner currentcontrol loop, and the pwm generation. Essentially, a chopper is an electronic switch that is used to interrupt one signal under the control of another. If these semiconductor devices are arranged appropriately, a chopper can work in any of the four quadrants. In electronics, a chopper circuit is used to refer to numerous types of electronic switching devices and circuits used in power control and signal applications. The designed model provide four quadrant speed control of dc motor in both direction, ie. A four quadrant adjustable speed drive for series wound dc. The matlab simulation is used to compare the performance of chopper circuit. When the two choppers are on the output voltage v 0 will be equal to v s. Chopper can increase or decrease the dc voltage level at its opposite side. The armature voltage is provided by an igbt converter controlled by two pi. Four quadrant chopper, igbt, dc motor, pwm, voltage regulator.
The two quadrant chopper dc drive dc6 block represents a two quadrant, dcsupplied, chopper or dcdc pwm converter drive for dc motors. The fourquadrant chopper dc drive dc7 block represents a fourquadrant, dcsupplied, chopper or dcdc pwm converter drive for dc motors. A variablefrequency drive is a device used in a drive system consisting of the following three main subsystems. Mc33153 single igbt gate driver the mc33153 is specifically designed as an igbt driver for high power applications that include ac induction motor control, brushless dc motor control and uninterruptable power supplies. Controllerdriven four quadrant dcdc chopper matlab. We also develop ieee projects like ieee2016, ieee2017 student projects along with modifications. Fourquadrant bidirectional dc drive system based on pwm. Four quadrant chopper trainer, for laboratory, rs 00 per. Finally the two quadrant operation of chopper is successfully implemented and got the results by using an optimized low cost firing and controller circuit. Four quadrant power converter based on output linear stage y. In 4, a realtime lowcost fuzzy controller for four quadrant chopper fed dc driver is designed and introduced. Because this chopper is a combina tion of the first quadrant chopper in figure.
Once with the use of igbt insulated gate bipolar transistor power transistors was needed a redesign of the converter structure. Four quadrant chopper trainer, for laboratory, rs 00. These applications require both driving and braking, i. Four quadrant speed control of dc motor using chopper devika r. Dec 17, 2015 a four quadrant or multiple quadrant operation is required in industrial as well as commercial applications. The speed control loop outputs the reference armature current of the machine. Separately excited dc motor speed control using four. Pulse width modulation technique is used for controlling the speed of the motor. Waveforms corresponding to the output voltage vo and the output current io of the fullbridge chopper are identical to those for halfbridge four quadrants chopper shown in the lab no. Motoring, forward braking, and reverse motoring and reverse braking. Igbt power losses calculation using the datasheet parameters. Power circuit of full bridge four quadrant chopper the power circuit is composed from a constant voltage source and a. Reversible dc drive system using igbt, capable of switching at 20 khz frequency.
In power electronics chopper circuits, unidirectional power semiconductors are used. Introduction of dc motor control using igbt chopper, working of four quadrant. Variable speed control is mostly carried out by converters. C voltage obtained from chopper is fed to the pmdc motor which rotate the motor in clockwise and counter clockwise direction according to the conduction of chopper igbt pair.1291 1218 1183 233 765 985 1295 1012 1203 431 166 505 202 687 195 237 43 308 252 842 1100 900 1028 249 1122 872 36 397 109 1152 1417 926 220