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Control algorithm for the inverter fed induction motor drive with DC current feedback loop based on principles of the vector control

Journal Article · · Electric Machines and Power System; (United States)
OSTI ID:6932987
;  [1]
  1. Electrical Engineering Inst. Nikola Tesla, Viktora Igoa 3, Belgrade, 11000 (Yugoslavia)
+ Show Author Affiliations
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.
OSTI ID:
6932987
Journal Information:
Electric Machines and Power System; (United States), Journal Name: Electric Machines and Power System; (United States) Vol. 20:5; ISSN EMPSDO; ISSN 0731-356X
Country of Publication:
United States
Language:
English

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Related Subjects

24 POWER TRANSMISSION AND DISTRIBUTION
240100* -- Power Systems-- (1990-)
99 GENERAL AND MISCELLANEOUS
990200 -- Mathematics & Computers
ALGORITHMS
COMPUTERIZED CONTROL SYSTEMS
COMPUTERIZED SIMULATION
CONTROL SYSTEMS
DC TO DC CONVERTERS
DESIGN
ELECTRIC GENERATORS
ELECTRICAL EQUIPMENT
EQUIPMENT
INDUCTION GENERATORS
INVERTERS
MATHEMATICAL LOGIC
ON-LINE CONTROL SYSTEMS
ON-LINE SYSTEMS
OPERATION
PERFORMANCE TESTING
PLANNING
POWER SYSTEMS
PROGRAMMING
SIMULATION
STATORS
TESTING
VECTOR PROCESSING