Title page for ETD etd-021299-141947

Type of Document Master's Thesis
Author Milosavljevic, Ivana
Author's Email Address imilosav@vt.edu
URN etd-021299-141947
Title Power Electronics System Communications
Degree Master of Science
Department Electrical and Computer Engineering
Advisory Committee
Advisor Name Title
Borojevich, Dushan Committee Chair
Cyre, Walling R. Committee Member
Midkiff, Scott F. Committee Member
  • delay
  • design
  • PLD
  • port
  • ring
  • high-speed
  • control networks
  • RS-232
  • power electronics
  • VHDL
  • real-time
  • FPGA
  • converters
  • digital
  • serial
  • protocol
  • three-phase
  • industrial communications
  • synchronization
Date of Defense 1999-01-14
Availability unrestricted
This work investigates communication issues in

high-frequency power converters. A novel control

communication network (Power Electronics System

Network or PES Net) is proposed for modular,

medium and high-power, converters. The network

protocol, hardware and software are designed and

implemented. The PES Net runs at 125 Mb/s over

plastic optical fiber allowing converter switching

frequencies in excess of 100 kHz. Communication

control is implemented in a field programmable

gate array device. A novel synchronization method

applicable to ring networks is proposed. The

effect of the communication delay on the power

converter operation is studied.

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