PM brushless DC motor drive with a new power converter topology

R. Krishnan, S. Lee

Research output: Contribution to journalConference article

5 Citations (Scopus)

Abstract

With the growing potential for widespread use of permanent magnet brushless dc motor drives (hereafter referred to as PMBDC drives) in many low-cost applications such as in hvac, refrigerators, and freezers in houses and small velocity servos in process industries, it has become important to minimize the cost. One obvious place for cost reduction is in the cost of the inverter and its associated controller. With that perspective, a novel application of the converter topology for the PMBDC known as C-dump in the switched reluctance motor drives is proposed in this paper. The advantages and disadvantages of this topology vis-a-vis the conventional 3 phase H-bridge converter, are highlighted from the points of view of economy in switches, volt ampere rating, associated controller cost, and packaging. Design considerations for the PMBDC motor are derived for use with the proposed converter topology. The operational and design characteristics of this converter driven PMBDC drive are derived for four quadrant performance. Guidelines for the design of the proposed topology are derived and presented in the paper. Experimental results from a laboratory prototype are presented to validate the feasibility of the proposed PMBDC drive system.

Original languageEnglish (US)
Pages (from-to)380-387
Number of pages8
JournalConference Record - IAS Annual Meeting (IEEE Industry Applications Society)
Volume1
StatePublished - Dec 1 1995
EventConference Record of the 1995 IEEE Industry Applications 30th IAS Annual Meeting. Part 3 (of 3) - Orlando, FL, USA
Duration: Oct 8 1995Oct 12 1995

Fingerprint

Brushless DC motors
Power converters
Topology
Costs
Servomotors
Controllers
Reluctance motors
Refrigerators
Cost reduction
Permanent magnets
Packaging
Switches
Industry

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

Cite this

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PM brushless DC motor drive with a new power converter topology. / Krishnan, R.; Lee, S.

In: Conference Record - IAS Annual Meeting (IEEE Industry Applications Society), Vol. 1, 01.12.1995, p. 380-387.

Research output: Contribution to journalConference article

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AU - Lee, S.

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N2 - With the growing potential for widespread use of permanent magnet brushless dc motor drives (hereafter referred to as PMBDC drives) in many low-cost applications such as in hvac, refrigerators, and freezers in houses and small velocity servos in process industries, it has become important to minimize the cost. One obvious place for cost reduction is in the cost of the inverter and its associated controller. With that perspective, a novel application of the converter topology for the PMBDC known as C-dump in the switched reluctance motor drives is proposed in this paper. The advantages and disadvantages of this topology vis-a-vis the conventional 3 phase H-bridge converter, are highlighted from the points of view of economy in switches, volt ampere rating, associated controller cost, and packaging. Design considerations for the PMBDC motor are derived for use with the proposed converter topology. The operational and design characteristics of this converter driven PMBDC drive are derived for four quadrant performance. Guidelines for the design of the proposed topology are derived and presented in the paper. Experimental results from a laboratory prototype are presented to validate the feasibility of the proposed PMBDC drive system.

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