Electronic Resource
Berkeley, Calif.
:
Berkeley Electronic Press (now: De Gruyter)
International journal of emerging electric power systems
5.2006, 2, art6
ISSN:
1553-779X
Source:
Berkeley Electronic Press Academic Journals
Topics:
Electrical Engineering, Measurement and Control Technology
Notes:
In an Inductively Coupled Power Transfer (ICPT) system, a multiplicity of (moving) loads take power from an elongated conductive loop (track) excited by a current in the range of 15-125A by magnetic induction at a VLF frequency of between 5-50kHz. In this application, the track performs the same function as a distribution line in a power system. However, frequency deviations cannot be tolerated in ICPT systems and therefore there are difficulties with inrush power surges as loads switch on. In severe cases, the inrush surge may compromise the security of the whole system.This paper proposes a solution to this problem using an ICPT pickup controller with input shaping where the poles that can cause an inrush are not excited. The paper is supported by theoretical analysis and experimental measurements and is applicable across a wide range of ICPT sizes and applications. The solution reduces the inrush effects to 10% of an uncontrolled system.
Type of Medium:
Electronic Resource
URL:
http://www.bepress.com/ijeeps/vol5/iss2/art6
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