Integrated Power Distribution Unit (IPDU): Point-of-Use Power Conversion, Management, Distribution, and Protection for Aircraft Electric Power Systems

Paper #:
  • 2012-01-2222

Published:
  • 2012-10-22
DOI:
  • 10.4271/2012-01-2222
Citation:
Thibodeau, P., "Integrated Power Distribution Unit (IPDU): Point-of-Use Power Conversion, Management, Distribution, and Protection for Aircraft Electric Power Systems," SAE Int. J. Aerosp. 5(2):513-523, 2012, doi:10.4271/2012-01-2222.
Pages:
11
Abstract:
This paper presents the Integrated Power Distribution Unit (IPDU) concept, which brings together major electric power Conversion, Distribution, Management, and Protection (CDMP) functions in a single lightweight LRU. The IPDU enables CDMP functionality to be physically located at points-of-use nodes, while maintaining unified control among the several IPDUs used in an Electric Power System. IPDU functions include input power quality sensing, power conversion (Inverter, TRU, Frequency Converter, DC-DC Converter), power management (AC and DC SSPCs and Hybrid Contactors), and a control function consisting of a databus R/T, DSP control core, and a voltage-frequency-current sensor suite. The IPDU is currently being applied as a major electrical power system element within a new aircraft dual channel EPS.The three major goals of the IPDU design are Improved power management functionality (fully observable system), enhanced reliability, and reduced size and weight.
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