Journal
IEEE TRANSACTIONS ON PLASMA SCIENCE
Volume 46, Issue 3, Pages 598-605Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPS.2018.2801388
Keywords
AC corona discharge; current measurement; radio interference (RI)
Categories
Funding
- Open Foundations of State Key Lab Power Grid Environment [GTW51201700585]
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Alternating current (ac) corona discharge characteristics are studied by using a small corona cage with different applied ac voltages, where the corona cage is located in a 5-m anechoic chamber to avoid the external electromagnetic interference. Characteristic parameters of ac corona pulses are analyzed statistically, such as peak values of primary and secondary pulses in positive half cycle, the interval of secondary pulses, average amplitude, and repetition frequency in both half cycles. Then, the experimental results are explained by using discharge physical mechanism. Besides, the radio interference (RI) current of typical frequencies are measured simultaneously, and the relationship between pulses and 0.5-MHz RI current is discussed.
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