Control Algorithm for the Inverter Fed Induction Motor Drive with DC Current Feedback Loop Based on Principles of the Vector Control

This paper brings out a control algorithm for VSI fed induction motor drives based on the converter DC link current feedback. It is shown that the speed and flux can be controlled over the wide speed and load range quite satisfactorily for simpler drives. The base commands of both the inverter volta...

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Vydáno v:Electric machines and power systems Ročník 20; číslo 5; s. 405 - 424
Hlavní autoři: VUCKOVIC, V, VUKOSAVIC, S
Médium: Journal Article
Jazyk:angličtina
Vydáno: Philadelphia, PA Taylor & Francis Group 01.09.1992
Taylor & Francis
Témata:
990200 > Mathematics & Computers
ALGORITHMS
Applied sciences
COMPUTERIZED CONTROL SYSTEMS
COMPUTERIZED SIMULATION
CONTROL SYSTEMS
DC TO DC CONVERTERS
DESIGN
ELECTRIC GENERATORS
Electrical engineering. Electrical power engineering
ELECTRICAL EQUIPMENT
Electrical machines
Exact sciences and technology
GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
INDUCTION GENERATORS
INVERTERS
MATHEMATICAL LOGIC
ON-LINE CONTROL SYSTEMS
ON-LINE SYSTEMS
OPERATION
PERFORMANCE TESTING
PLANNING
POWER SYSTEMS
POWER TRANSMISSION AND DISTRIBUTION
PROGRAMMING
Regulation and control
SIMULATION
STATORS
TESTING 240100 > Power Systems > (1990-)
VECTOR PROCESSING
Magnetic flux
Sensitivity analysis
Dynamic characteristic
Stability
Slip
Electric drive
Algorithm
Rotor
Step response
Experimental result
Vector control
Compensation
Induction machine
Speed control
Transfer function
Electrical characteristic
ISSN:0731-356X, 1521-0502
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Popis
Shrnutí:This paper brings out a control algorithm for VSI fed induction motor drives based on the converter DC link current feedback. It is shown that the speed and flux can be controlled over the wide speed and load range quite satisfactorily for simpler drives. The base commands of both the inverter voltage and frequency are proportional to the reference speed, but each of them is further modified by the signals derived from the DC current sensor. The algorithm is based on the equations well known from the vector control theory, and is aimed to obtain the constant rotor flux and proportionality between the electrical torque, the slip frequency and the active component of the stator current. In this way, the problems of slip compensation, Ri compensation and correction of U/f characteristics are solved in the same time. Analytical considerations and computer simulations of the proposed control structure are in close agreement with the experimental results measured on a prototype drive.
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ISSN:0731-356X
1521-0502
DOI:10.1080/07313569208909605