Using bird-resistant insulators on high-voltage transmission lines

  Ararat Wind Farm, Australia’s third largest wind farm, uses enhanced silicone polymer (ESP) insulators on the 132 kV powerline to reduce weight, improve speed of installation and increase span lengths. These insulators are also bird resistant which is critical because the powerline is located in a high bird strike zone. The Ararat wind farm, […]

Estimating moisture in power transformers

  Modern technology and developments in signal acquisition and analysis techniques have provided new tools for transformer diagnostics. Of particular interest are dielectric response measurements where insulation properties of oil-paper systems can be investigated. Dielectric frequency response, (DFR, also known as Frequency Domain Spectroscopy, FDS), was introduced more than 15 years ago and has been […]

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