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AS60044.1 CT Standard - CT class for Maximum Faults

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ScottPET

Electrical
Dec 3, 2003
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AU
How does one calculate the required CT class such that the CT will not saturate at the maximum fault level with the new CT standard (AS60044.1-2003). There is no guidance, as was provided by App B of AS1675-1986.

From what I understand, AS60044.1 is similar to the corresponding IEC standard, however I have only ever used AS1675, previously.
 
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