06-12-2012, 05:36 PM
Potential transformer
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Potential Transformer is designed for monitoring single-phase and three-phase power line voltages in power metering applications.
The primary terminals can be connected either in line-to-line or in line-to-neutral configuration. Fused transformer models are designated by a suffix of "F" for one fuse or "FF" for two fuses.
A Potential Transformer is a special type of transformer that allows meters to take readings from electrical service connections with higher voltage (potential) than the meter is normally capable of handling without at potential transformer.