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Overvoltage Protection and Insulation Coordination in Power Systems

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Procedure for <strong>Insulation</strong> <strong>Coord<strong>in</strong>ation</strong> <strong>in</strong> Four Steps<br />

Fachgebiet<br />

Hochspannungstechnik<br />

Range II:<br />

U m above 245 kV<br />

Different st<strong>and</strong>ard voltage values for<br />

• phase-to-earth-,<br />

• phase-to-phase-,<br />

• longitud<strong>in</strong>al<br />

<strong>in</strong>sulation!<br />

<strong>Overvoltage</strong> <strong>Protection</strong> <strong>and</strong> <strong>Insulation</strong> <strong>Coord<strong>in</strong>ation</strong> / Chapter 1 - 42 -<br />

[IEC 60071-1]

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