NDLI: A State Space Analysis of LCI Fed Synchronous Motor Drives in the Steady State

Content Provider	IEEE Xplore Digital Library
Author	Colby, Roy S. Lipo, Thomas A. Novotny, Donald W.
Copyright Year	1972
Abstract	The steady-state performance of a load-commutated in-verter (LCI) fed synchronous motor drive is computed by means of a digital computer-based state space solution of the synchronous machine equations. The computer solution permits accurate calculation of current, voltage, and torque waveforms under the assumptions of constant shaft speed and constant dc link current. Steady-state operating points are characterized by the firing angle, commutation overlap angle, and the ratio of average field current to dc link current. The two angles are specified as input to the program, and the ratio of field current to dc link current is calculated. In this way, a solution is guaranteed to exist for a given operating point. The symmetry of steady-state operation is exploited to calculate the appropriate boundary conditions for a given operating point directly, without the need to perform iterative calculations . Sample calculations for a 4500-hp LCI drive are presented, showing voltage, current, and torque waveforms, and steady-state performance characteristics with constant commutation margin angle. Consortium (WEMPEC) and in part by General Electric.
Sponsorship	IEEE Industry Applications Society
Starting Page	1016
Ending Page	1022
Page Count	7
File Size	2303171
File Format	PDF
ISSN	00939994
Volume Number	IA-21
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1985-07-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	State-space methods Synchronous motors Steady-state Voltage Torque Commutation Drives Synchronous machines Equations Shafts
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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