期刊
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
卷 58, 期 7, 页码 2597-2604出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIE.2010.2098362
关键词
Capacitance measurement; decoupling of systems; energy harvesting; galvanic isolator; high-voltage overhead power line; icing detection; online condition monitoring; optical coupler; power system reliability; wireless communication
This paper focuses on problems which arise when both a power-harvesting system based on a capacitive principle and a capacitive measurement device [i.e., a capacitance-to-digital converter (CDC)] are used in one electronic system to build up an autonomous measurement device for icing detection on a high-voltage overhead power line. The overall capacitance of the measurement circuitry between the conductor and the energy harvester shell must remain within a well-defined range to keep the energy-harvesting circuitry operational and to operate the CDC within its specifications. A decoupling solution for both the data path and the power supply unit has been implemented and verified experimentally in a high-voltage laboratory and a field test.
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