IEEE 43-2000 ESPAOL PDF

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Design and manufacturing problems can cause premature equipment failure. Serving satisfied customers for over 80 years, our laboratories can perform over laboratory tests on both solid and liquid insulation. An AC high voltage is applied to the coils for hours. Several diagnostic tests, such as polarization index, Hi-Pot, partial discharge, dissipation factor and tip-up, are carried out.

To pass the test, the coils should not fail in less than hours time length depending on voltage. Failing the voltage endurance test can indicate a manufacturing quality issue even if similar coils have previously passed the voltage endurance test.

An impulse test can be performed per IEEE to evaluate turn-to-turn insulation in multi-turn coils. Doble can perform insulation breakdown tests on stator coils and bars. The failure site can be dissected.

Dissection locations are chosen by an experienced generator insulation specialist to discover the weakest insulation spots. If a coil fails voltage endurance testing, a dissection is required at the failure location.

A Doble specialist will determine the cause of failure based on knowledge and experience of the generator insulation system. Microscopic examination on dissected samples can be conducted to check any manufacturing quality issues. Testing medium-voltage and high-voltage rotating machines Design and manufacturing problems can cause premature equipment failure.

AC Breakdown Tests Doble can perform insulation breakdown tests on stator coils and bars. Coil Dissections Dissection locations are chosen by an experienced generator insulation specialist to discover the weakest insulation spots.

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