Abstract
Research work on audible noise emitted from overhead line conductors is reviewed, and a unique experimental set up employing a semi-anechoic chamber and corona cage is described. Acoustically, this facility isolates undesirable background noise and provides a free-field test space inside the anechoic chamber. Electrically, the corona cage simulates a 3 m section of 400 kV overhead line conductors by achieving the equivalent surface gradient. UV imaging, acoustic measurements and a partial discharge detection system are employed as instrumentation. The acoustic and electrical performance is demonstrated through a series of experiments. One conductor sample is used as an example to illustrate results under various spray conditions. © 2013 IEEE.
Original language | English |
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Title of host publication | 2013 IEEE Electrical Insulation Conference, EIC 2013|IEEE Electr. Insul. Conf., EIC |
Publisher | IEEE |
Pages | 119-123 |
Number of pages | 4 |
ISBN (Print) | 9781467347389 |
DOIs | |
Publication status | Published - 2013 |
Event | 31st Electrical Insulation Conference, EIC 2013 - Ottawa, ON Duration: 1 Jul 2013 → … |
Conference
Conference | 31st Electrical Insulation Conference, EIC 2013 |
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City | Ottawa, ON |
Period | 1/07/13 → … |
Keywords
- anechoic chamber
- audible noise
- corona discharge
- high voltage conductor
- hum noise
- overhead line conductor
- partial discharge measurement
- sound pressure level
- transmission line