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Item Information   Holdings       More by this author     Strom, Hans H.     Subjects     Electric driving     Power electronics     MSE Project.     Browse Catalog     by author:      Strom, Hans H.       by title:      Analysis of load com...         MARC Display

Analysis of load commutated inverter (LCI) drive system for synchronous machines / by Hans H. Strom. by Strom, Hans H. Subjects Electric driving   Power electronics   MSE Project. Description:  Various pagination : ill. ; 29 cm. Contents:  Advisor: Dr. Teodoro Robles. Committee members: Dr. Edward Chandler, Dr. Hadi Saadat. Introduction -- Definition of the drive system -- Rectifier and inverter circuits -- The LCI drive system for a synchronous motor -- Performance comparison: LCI vs. PWM -- Control and rating of the LCI system -- Rating and firing angle control of the LCI drive systems -- Harmonics and torque pulsations associated with the LCI system -- Conclusions -- Appendixes A) A historical note -- B) Drive systems -- C) Rectifier circuits and properties -- D) AC fundamentals -- E) The semiconductor -- Approval form. The use of AC machinery in adjustable speed drive systems is growing rapidly. A typical drive system for a high-power application consists of a LCI drive and a synchronous machine. This report explores the basic configuration and operation of the LCI drive system for a synchronous machine. This is based on literature written on the subject -- see Bibliography [3] and [11]. In applications where the machine power is less than 10,000 HP, an induction machine drive or a synchronous machine drive may be used. An efficiency analysis is made to determine the best efficiency performance of an LCI drive system for a synchronous machine versus a PWM drive system for an induction machine. Efficiency and cost data are gathered from real applications and the result is tabulated. The design rating and the effect of different firing angle techniques have been presented in other papers -- see Bibliography [10]. These mathematical concepts are applied to a real drive system. Design rating calculations are made and the results are presented. Harmonics and torque pulsations are a problem with the LCI drive system. Several articles have been written on the subject and this report presents the results -- see Bibliography [1], [3], [8] and [11].   Copy/Holding information Location Collection Call No. Status   Walter Schroeder Library Master's Theses AC805 .S776 1997 Available Add Copy to MyList Format: HTMLPlain textDelimited Subject:   Email to:

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