Insulation coordination for the electrical system of wind ... - IEA Wind
Insulation coordination for the electrical system of wind ... - IEA Wind
Insulation coordination for the electrical system of wind ... - IEA Wind
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<strong>Insulation</strong> <strong>coordination</strong> issues<br />
• Damage <strong>of</strong> dry type trans<strong>for</strong>mers has been experienced<br />
• Vaccum circuit breakers result in very fast switching voltage transients. Is <strong>the</strong> existing standard<br />
suitable <strong>for</strong> <strong>the</strong> verification <strong>of</strong> such transients?<br />
• IEC standard available <strong>for</strong> insulation testing <strong>of</strong> main circuit equipment<br />
• In Lillgrund, insulation level as well as arrester arrangement had to be updated following <strong>the</strong><br />
<strong>Insulation</strong> study per<strong>for</strong>med by supplier <strong>of</strong> <strong>the</strong> integrated <strong>system</strong><br />
© Vattenfall AB<br />
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