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4 Chopper-Controlled DC Motor Drive

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4 Chopper-Controlled DC Motor Drive

4 Chopper-Controlled DC Motor Drive • Chopper: The variable dc voltage is controlled by varying the on- and off-times of a converter. • Fig. 4.1 is a schematic diagram of the chopper.

http://www2.nkfust.edu.tw/~tuky/servo/PDF/Ch4.pdf

Date added: June 28, 2012 - Views: 156

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ONE AND TWO QUADRANT CHOPPERS - tuiasi

Lab no.18: One and two-quadrant choppers Author: Ph.D.eng. Mihai Albu 3 The load connected to the converter’s output is a DC motor (Mdc) whose

http://www.euedia.tuiasi.ro/lab_ep/ep_files/Lab_no_18_c1.pdf

Date added: March 23, 2014 - Views: 1

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FOUR-QUADRANT FULL-BRIDGE CHOPPERS PWM controlled with ...

Author: Ph.D.eng. Mihai Albu 1 Lab no.20 FOUR-QUADRANT FULL-BRIDGE CHOPPERS PWM controlled with bipolar voltage switching 1. Introduction In Lab no.19 was mentioned the possibility of the four-quadrant choppers to

http://www.euedia.tuiasi.ro/lab_ep/ep_files/Lab_no_20_c1.pdf

Date added: February 18, 2014 - Views: 2

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1 DC Choppers second-quadrant chopper, first-quadrant chopper ...

Power Electronics 377 Figure 13.2. Fundamental four-quadrant chopper (centre) showing derivation of four subclass dc choppers: (a) first-quadrant chopper - I; (b) se

http://homepages.eee.strath.ac.uk/~bwwilliams/Book/Chapter%2013.pdf

Date added: November 11, 2011 - Views: 391

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PWM generator for the two or four quadrant

IV-24-6 The signal provided by the astable circuit OSC (duty cycle 50%) as well as the signals of the PWM command of the four-quadrant (I1a and I2a) and the two-quadrant (I3a) choppers are

http://www.upm.ro/InterIng2007/Papers/Section4/24-MORAR.pdf

Date added: May 23, 2012 - Views: 26

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A Four Quadrants HF AC Chopper with no Deadtime

AbstractŠ A four quadrant HF AC Chopper is described, analyzed and verified experimentally. The main advantage of the ... the proposed AC chopper is identical to AC choppers that are implemented with two bi-directional switches [1-4]. However,

http://www.ee.bgu.ac.il/~pel/pdf-files/conf109.pdf

Date added: June 5, 2012 - Views: 25

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13.1 CGT A IGBT 13 - University of Strathclyde

DC choppers 352 s Figure 13.3. First-quadrant dc chopper and two basic modes of chopper output current operation: (a) basic circuit and cu rrent paths; (b) continuous load current;

http://homepages.eee.strath.ac.uk/~bwwilliams/Book/Chapter%2013old.pdf

Date added: February 9, 2012 - Views: 29

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Single Phase Matrix Converter Operating as a Four Quadrant DC ...

C Choppers are widely used in various applications requiring controlled DC supply used for traction motor control in electric automobiles and ... comparator, 4) modulation index, 5) quadrant operation, 6) control (switch selector). PWM signal

http://fke.uitm.edu.my/v1/images/stories/IJEESR/IEESR2011/ieesr_siti%20zaliha%203_b5.pdf

Date added: December 10, 2013 - Views: 5

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Design of the Pulse Bending Magnets for the Injection System ...

4-quadrant choppers 12 300 Proceedings of 2005 Particle Accelerator Conference, Knoxville, Tennessee 1049 0-7803-8859-3/05/$20.00 c2005 IEEE. bump and the h-paint bump by changing the excitation level in a pulse-to-pulse mode. Both correlated and anti-

http://accelconf.web.cern.ch/AccelConf/p05/PAPERS/MPPT007.PDF

Date added: November 26, 2011 - Views: 6

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Chapter 6 CHOPPER-CONTROLLED D.C. BRUSH MOTOR DRIVES

The two-quadrant chopper (Table 6.1c,d) is a combination of one first and one second-quadrant chopper. Finally two-quadrant choppers are combined to obtain a four-quadrant chopper.

http://masters.donntu.edu.ua/2013/etf/moskovets/library/images/art10/chopper.pdf

Date added: November 30, 2013 - Views: 1

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Chopper (DC-DC converter) driven dc drives

4. What is a four quadrant chopper? ELEC 482 Module # 5 Outline TOPIC: DC Chopper Drives The main ... The knowledge gained from this module helps in analyzing and designing choppers (dc- dc converters) for separately excited dc machines.

http://data.biitbook.com/Chopper-Drives.pdf

Date added: April 27, 2014 - Views: 1

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M.01.09 Energy saving on tramline in Craiova

In one-quadrant choppers, the average DC output voltage is usually kept at a desired level, as there are fluctuations in input voltage and output load. These choppers operate only in first quadrant of v-i plane.

http://www.modern.ipacv.ro/docs/MODERN%20DEL%2001.09.02%20craiova.pdf

Date added: October 23, 2014 - Views: 1

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Power Electronic Circuits and Controls

Power Electronic Circuits and Controls 2 DC-DC Converters Richard Wies, ... quadrant choppers in order to achieve negative average output voltage and/or negative average output current. The four-quadrant operation of the full-bridge DC-DC converter, ...

http://download.21dianyuan.com/download.php?id=58931

Date added: November 24, 2012 - Views: 41

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COLLEGE OF ENGINEERING, OSMANABAD.

Principles of operation of step-up and step-down choppers, 2 - Quadrant & 4Quadrant choppers, voltage and current commutated choppers, use of source filter 04 6 InvertersInvertersInverters Series inverter, parallel inverter, PWM Inverter (various PWM techniques for

http://coeosmanabad.com/Syllabus/te_ect.pdf

Date added: February 18, 2014 - Views: 18

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DC CHOPPERS - PKB

DC CHOPPERS 1 Introduction • Chopper is a static device. • A variable dc voltage is obtained from a constant dc voltage ... • Class E is a four quadrant chopper • When CH1 and CH4 are triggered, output current iO flows in positive direction through CH1 and CH4, and with output

http://www.pkb.edu.my/elearning/choppers.pdf

Date added: January 25, 2013 - Views: 32

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DC MOTOR CONTROL USING CHOPPER - Welcome to ethesis - ethesis

5.4 Representation of Chopper in Transfer Function ... automobiles are likely to use choppers for their speed control and braking. ... version 2009, SimPowerSystem, One quadrant chopper DC drive. [13] Salam Dr. Zainal, UTJMB, Power Electronics and Drives (Version 3-2003).

http://ethesis.nitrkl.ac.in/1677/2/amir_final_project_report.pdf

Date added: January 19, 2012 - Views: 419

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Chapter 5 DC to DC Converters (Choppers) - xjtu.edu.cn

current-reversible choppers. Can realize 4-quadrant operation of DC motor. E L R + - V1 VD 1 uo V 3 EM V2 VD 2 io V 4 VD 3 VD 4 M. P o w er E l e c t r on i cs 33 Multi-phase multi-channel DC/DC converter Current output capability is increased due to multi-channel paralleling.

http://pel-course.xjtu.edu.cn/courseware/pdf_en/full_5th/chapter05.pdf

Date added: May 5, 2013 - Views: 1

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Area 2 - Energy Systems Side

- 2 quadrant choppers - 4 quadrant choppers 7. Three-Phase Circuits - Balanced 3-phase circuits with sinusoidal sources - Delta- and Wye-connected components - Active and Reactive Power - 3-phase circuits with T-periodic non-sinusoidal sources

http://www.comm.toronto.edu/frank/curric/area2b.pdf

Date added: September 19, 2014 - Views: 1

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Four Quadrant Convertor [±600A, ±12V] Prototype for LHC

Figure 1 shows the block diagram of the 4-quadrant converter. 2.1 Zero Voltage Zero Current Switching Chopper ... The two choppers' outputs are used as supply voltages for the two halves of the complementary final output stage BLOS (Bipolar Linear Output Stage).

http://cds.cern.ch/record/386684/files/fra154.pdf

Date added: January 12, 2014 - Views: 1

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Interaction of DC-link Supply Unit and Supplied Inverters ...

Interaction of DC-link Supply Unit and Supplied Inverters with Regenerative Load ... (choppers and resistors) required, – problematic precharging sequence, ... Fig. 6 DC common bus voltage U d and current I d control in the 4-quadrant SCR converter with autotransformer

http://hrcak.srce.hr/file/10259

Date added: May 11, 2013 - Views: 10

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ISTANBUL TECHNICAL UNIVERSITY FACULTY OF ELECTRIC&ELECTRONICS ...

EXPERIMENT 4 SINGLE-QUADRANT CLASS A DC CHOPPERS Information – Usage Areas – Purpose of the Experiment DC Choppers are power electronic circuits that convert DC voltage into an adjustable magnitude DC voltage.

http://triton.elk.itu.edu.tr/~gucelklab/sp13elk342/sp13elk342e_lab4.pdf

Date added: June 20, 2013 - Views: 3

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Set-4 Final by Raju (18-23)

4. (a) Discuss with the suitable diagrams I quadrant and II quadrant choppers. (Unit-IV, Topic No. 4.1) (b) A 220 V, 24 A, 1000 r.p.m separately excited D.C motor having an armature resistance of 2 Ω is controlled by a chopper.

http://www.siaedugroup.com/downloads/pdf/JNTU-ANAN-EEE-3-2-POWSEMD-Set-4.pdf

Date added: March 21, 2014 - Views: 1

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MC305 CONTROL OF ELECTRIC DRIVES CREDITS: 5 (L = 4, P = 2)

CREDITS: 5 (L = 4, P = 2) 1. REVIEW OF PRINCIPLES OF MECHANICS: Newton’s laws; moment of inertia; effect of gearing, power ... including dual converters ; two quadrant and four quadrant choppers using MOSFETS, IGBTs & transistors. 6. ...

http://www.gcet.ac.in/departments/MC/course/spuold/MC305.pdf

Date added: September 19, 2014 - Views: 1

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Power Supply of the Pulse Steering Magnet for Changing the ...

consists of 4-quadrant choppers. The specification and the requirement of each power supply are shown in Table 1. Table 1: ... Figure 4: Switching operation of the pulse power supply has been performed for the MLF and MR at 25 Hz.

http://accelconf.web.cern.ch/accelconf/IPAC2013/papers/mopwa008.pdf

Date added: August 16, 2013 - Views: 1

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PROPOSED SYLLABUS FOR THIRD YEAR ELECTRONICS AND ELECTRONICS ...

Principle of operation of step-down and step-up choppers, 2-Quadrant and 4- Quadrant choppers, Voltage and current commutated choppers, use of source filter. TEXT BOOK: 1] M.H. RASHID, POWER ELECTRONICS, PHI REFRENCE BOOKS:

http://srtmun.ac.in/Syllabus/Electronics%20&%20Tele-communication%20Engineering%20TY.pdf

Date added: May 8, 2012 - Views: 96

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Dr. Babasaheb Ambedkar Marathwada University, Aurangabad

5 DC Choppers Principles of operation of step-up and step-down choppers, 2 - Quadrant & 4Quadrant choppers, voltage and current commutated choppers, use of source filter 04 6 Inverters Series inverter, parallel inverter, PWM Inverter (various PWM techniques for

http://www.pes.edu.in/pdf/teetx.pdf

Date added: August 27, 2014 - Views: 1

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SKiiPRACK - Semikron

4Q converters, brake choppers - High power density > 12kVA/litre in 3 MVA confi guration - Flexible converter mechanics: ... 3 MVA 4 quadrant converter 150kVA up to 5MVA High power density > 12 kVA/litre With SKiiP 1200V and 1700V water-cooled

http://www.semikron.com/dl/service-support/downloads/download/semikron-flyer-skiiprack-2014-04-08.pdf

Date added: June 1, 2014 - Views: 1

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Question Bank (G scheme) Name of subject: Industrial ...

& quadrant of Operation. 12) ... 4 marks 13) List the types of choppers on the basis of operation quadrants. What is the effect of duty cycle on output voltage? 14) Draw and describe the working of class A chopper using SCR.

http://iotmumbai.bharatividyapeeth.edu/SiteData/pdf/inst_technology_mumbai/2014/QuestionBank/Industrialelectr/45IEA1.pdf

Date added: October 23, 2014 - Views: 1

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Subject Description Form - Department of Electrical ...

choppers and inverters. 4. To enable students to understand the applications of power electronic converters in drive ... Chopper-fed d.c. drives. 1,2 &4 quadrant operations. Induction motor drivers fed from stepped wave/PWM inverters. T. HE . H. ONG . K. ONG . P. OLYTECHNIC . U. NIVERSITY. 2011 ...

http://www.ee.polyu.edu.hk/pdf/syllabus/41073/EE3761.pdf

Date added: May 29, 2014 - Views: 1

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Power Semiconductor Drives (April/May-2012, Set-4) JNTU ...

Answer : April/May-12, Set-4, Q1(a) Two quadrant chopper is obtained by connecting class A and class B choppers in parallel. Two quadrant chop-per is also known as class C-chopper. This chopper oper-ates in two quadrants i.e., first quadrant and second quad-

http://www.siaedugroup.com/downloads/pdf/JNTU-HYD-3-2-EEE-POW-SEMI-CON-DRIV-Set-4.pdf

Date added: February 19, 2014 - Views: 1

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SPEED CONTROL OF DC MOTORSPEED CONTROL OF DC MOTOR USING IGBT ...

1.4 OPERATION OF THE FOUR QUADRANT CHOPPER WITH BIPOLAR VOLTAGE ... The use of phase controlled rectifiers and dc choppers for the speed control of dc motors have revolutionized the modern industrial controlled applications. DC drives are classified as

http://ethesis.nitrkl.ac.in/4165/1/Speed_Control_of_DC_motor_using_IGBT.pdf

Date added: October 4, 2012 - Views: 275

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Performance Study of Power Control Method for Chopper Fed ...

excited dc drive can be done using four quadrant chopper up to rated speed. Choppers are widely used for traction motor control in transportation systems. ... 4 th quadrant mode: Switch Q4 is modulating and other switches are kept off.

http://www.atlantis-press.com/php/download_paper.php?id=6322

Date added: June 21, 2013 - Views: 8

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INDUSTRIAL DRIVES AND CONTROL (404184)

Unit 1: Line Commutated Converters & Choppers Analysis of 3ф full converter with level load, comparison with 3ф semi converter. ... converter) & 2-quadrant type C chopper with level load. Operation of 4-quadrant type E chopper. Unit 2: ...

http://www.mmit.edu.in/Pages/Industrial%20drives%20and%20control%20Elective%20I%20%20404184.pdf

Date added: October 22, 2014 - Views: 1

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Metals Solutions - Nidec-Avtron

braking chopper, AFE: 4 quadrant - Neutral point clamped voltage source drive with IGBT/IGCT power devices - Power range: air cooled 1300 - 10400 KVA water ... - Built-in brake choppers up to 500HP - CMAA compatible panels Options tailored to meet customers’ needs - Open/closed loop sway control

http://www.nidec-avtron.com/drivesystems/_CE/Documents/New_Metals%20Solutions_Brochure.pdf

Date added: June 4, 2014 - Views: 1

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EE 302 Power Electronics 3-1-0-4

EE 302 Power Electronics 3-1-0-4 1. Devices and Characteristics: Introduction, power diodes, diode characteristics, types of power diodes ... two quadrant and four quadrant choppers, GTO thyristors in dc to dc conversion. [6] 6.

http://www.mitsuniversity.ac.in/syllabus/btec/BTech_EC_II-IVYear2009_%2031.pdf

Date added: September 15, 2013 - Views: 1

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INTERACTION OF DC-LINK SUPPLY UNIT AND SUPPLIED INVERTERS ...

units (choppers and resistors). - sensitivity to net supply voltage variations, - auto transformer necessity (dimensions), - high-order harmonics in the main supply . ... The 4-quadrant SCR line converter has an ability to recuperate

http://bib.irb.hr/datoteka/204939.Paper_AUTOMATIKA_Koloni_2004.pdf

Date added: May 26, 2013 - Views: 2

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POWER SYSTEM ANALYSIS AND PROTECTION (EE-302-E)

4. Modern Power System Analysis by I.J. Nagrath & D.P. Kothari. 5. A Course in Electrical Power by Soni, Gupta & Bhatnagar ... one, two and four quadrant choppers, step up chopper, voltage commutated chopper, current commutated chopper, MOSFET ...

http://kuknotes.com/wp-content/uploads/2014/01/EE_6th_sem.pdf

Date added: May 26, 2014 - Views: 7

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TYPICAL APPLICATIONS - Powertecmotors

4-quadrant regen • Handles high peak and rms loads • Rugged motor construction ... • Choppers Machine Tool • Bending rolls • Punch presses • Tapping machinery ... curves represent typical motor performance when driven by a

http://www.powertecmotors.com/app.pdf

Date added: October 31, 2011 - Views: 9

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Solapur University, Solapur B.E. (Electronics Engineering ...

(4) 4. Choppers: - Types of choppers, single quadrant, two quadrant, four quadrant, control techniques of chopper, series turn off chopper, parallel capacitor turn off chopper, single SCR chopper, Jones and Morgan chopper, step up chopper, multiphase chopper, chopper circuit design ...

http://staging-su.digitaluniversity.ac/WebFiles/BE_Electronics_Final_29_March.pdf

Date added: October 23, 2014 - Views: 1

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Pat Hobbs – Technical Support & Training

• Drive and Steer Choppers explained • 4 Quadrant drive, Switching frequencies and Pulse Width Modulation etc.. • Computer Rack and power supplies

http://www.pathobbs.co.uk/upload/CX%20DDDS%20(KC)%20AGV%20Maintenance%20(SONIX)%20Content.pdf

Date added: October 23, 2014 - Views: 1

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Practical Understanding and of in and - American Academy of ...

Cracking (as in “4 quadrant divide & conquer”) requires cutting a deep groove across the diameter of the nucleus. In brunescent nuclei, ... choppers) in order to achieve less pressure and more safety in case of inadvertent contact with the

http://www.aao.org/am_handouts_pdfs/06%20AAO%20280%20Chang%20doc.pdf

Date added: May 11, 2013 - Views: 10

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DC Chopper DC Variable voltage - uqu.edu.sa

DC Choppers are very widely used to obtain a variable dc voltage from a constant dc voltage. Thus it is a dc-dc converter. It can be used to increase or decrease a dc voltage. DC Choppers DC Choppers are very widely used in electric traction, trolley

http://uqu.edu.sa/files2/tiny_mce/plugins/filemanager/files/4320664/dc_chopper.pdf

Date added: October 2, 2013 - Views: 2

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UNIT 1. INTRODUCTION TO WIRELESS COMMUNICATION SYSTEMS: UNIT ...

EE-402-E WIRELESS COMMUNICATION L T P CLASS WORK : 50 3 1 0 EXAM : 100 TOTAL : 150 DURATION OF EXAM : 3 HRS UNIT 1 ... and four quadrant choppers, step up chopper, voltage commutated chopper, current commutated chopper, MOSFET and transistor based choppers. UNIT7. CYCLOCONVERTERS :

http://aces.apeejay.edu/academic/ece/final_year/8thsemece.pdf

Date added: September 13, 2011 - Views: 366

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GOKARAJU RANGARAJU INSTITUTE OF ENGINEERING AND TECHNOLOGY

2. choppers: from dc to variable voltage dc 3.inverters: from dc to variable magnitude and variable frequency, single-phase or threephase ac ... Due to its 4-quadrant operation, the cycloconverter can handle loads of any power factor.

http://grietinfo.in/projects/MINI/EEE/DOC-B.12-cycloconverter.pdf

Date added: May 11, 2013 - Views: 4

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MASTER OF TECHNOLOGICAL DESIGN (MECHATRONICS) MODULE DESCRIPTIONS

Step-down and step-up choppers under continuous conduction mode of operation. Two-quadrant and four-quadrant choppers. Application examples. 5. AC - AC Converters ... MCH5214 Special Topics in Mechatronics (4 MCs) Modular Credits: 4 Workload: ...

http://www.cdt.nus.edu.sg/education/docs/module_descriptions_mechatronics.pdf

Date added: May 21, 2012 - Views: 17

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ITEE Journal ISSN: - 2306-708X December 2012

-quadrant and four quadrant choppers [6]. Four quadrant chopper is known as the most appropriate convertor for current control because the polarity of the armature voltage can be reversed, thereby allowing the maximum possible current ...

http://www.iteejournal.org/archive/vol2no2/v2n2_5.pdf

Date added: December 1, 2013 - Views: 2

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University of Saskatchewan Department of Electrical and ...

Title: Single-quadrant (Type A) Chopper Objective: The purpose of this lab is to study the voltage, current relationship and input/output voltage waveform of single-quadrant (Type A) choppers. The student will examine how the ... 4) Run the model.

http://www.engr.usask.ca/classes/EE/443/Labs/EE443_type_a_chopper_JP.pdf

Date added: November 30, 2013 - Views: 5

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Metals Solutions - Nidec-Avtron

braking chopper, AFE: 4 quadrant - Neutral point clamped oltage source drive with v IGBT/IGCT power devices ower range: air cooled - P 1300 - 10400 ... - Built-in brake choppers up to 500HP - CMAA compatible panels. Options tailored to meet customers’ needs - Open/closed loop sway control ull ...

http://www.nidec-avtron.com/drivesystems/documents/Metals_Solutions_Brochure_NAAC-006.pdf

Date added: June 7, 2014 - Views: 1

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CECUBE LTD.

Converter - Detailed 4 quadrant converter circuit, includes AC side filters ... Chopper LRV - Combined Armature and Field GTO choppers Step-up chop - Front end DC chopper/AC converter with control and waveform generation

http://www.cecube.co.uk/papers/Components_Catalogue.pdf

Date added: November 24, 2011 - Views: 4

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Soft-switching Converters for Electric Vehicle Propulsion

thermore, four-quadrant (4Q) dc choppers are employed for reversible and regenerative speed control of dc mo-tors. ... 3.4 Four-quadrant zero-transition converters fed dc motor drive 4Q dc choppers are employed for reversible and regen-

http://www.union-services.com/aevs/1019-1026.pdf

Date added: July 12, 2012 - Views: 4