| 摘要 |
An apparatus and method for current transformer adaptation for extending a distance between a current sensing location, having a load current carrying load conductor, and a current measuring location having a measuring instrument. A first current transformer adapted to being connected to the load conductor is used to sense the load current. Typically the distanced between the first current transformer and the current measuring instrument is limited by a load burden rating of the first current transformer and a pre-determined resistive load per unit length of an instrument conductor connecting the first current transformer and the current measuring instrument. The present invention provides for the distance to be extended by connecting a second current transformer, having greater load burden rating than the first current transformer, to a secondary winding of the first current transformer and connecting the instrument conductor between the second current transformer and the current measuring instrument.
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