Power traders: do you have any idea where the power goes?

Article Abstract:

Competition and deregulation are likely to reduce the reliability electric systems unless changes are made in engineering and operations. Information is presented outlining how factors inherent in deregulation can erode system reliability.

Management, Prevention, Deregulation, Power failure, Power failures, Interconnected electric utility systems, Interconnected electric power systems

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Water-in-oil: forget ppm; think relative humidity

Article Abstract:

Measurement of relative humidity (RH) is a better method to measure dissolved water in transformer oil than the Karl Fischer reaction test. RH provides data about the water in oil and also the dryness of transformer insulation.

Measurement, Maintenance and repair, Transformers, Humidity, Electric transformers, Cellulose insulation

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Portable hot-stick tester meets OSHA regulations

Article Abstract:

The LS-80 portable hot-stick tester makes hot-stick testing easy and fast. It is placed over the hot-stick shaft and measures the dielectric current between tandem electrodes contacting the stick.

Evaluation, Equipment and supplies, Electric power-plants, Electric power plants, Testing equipment

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