Product Description
JLSZW-10W combined transformer (also known as metering box) is composed of voltage and current transformers. The product is used for AC 50HZ, rated voltage below 10KV three-phase line, for voltage, current and energy measurement and relay protection, suitable for urban power grid, rural power grid outdoor substations, and can also be used in various transformer distribution stations in industrial enterprises. Combined transformer with active and reactive watt-hour meters is called a high-voltage power metering box. This product can replace the oil-immersed combined transformer (metering box).
This product can be a combination of a voltage transformer and a current transformer, used to measure single-phase power; it can be a combination of two voltage transformers and two current transformers, used to measure two watts in a three-phase three-wire system The meter method measures three-phase power; it can also be a combination of three voltage transformers and three current transformers for three-phase power measurement. When the transformer is connected, the voltage terminal of the transformer is connected in parallel with the output of the transformer when combined, and the current line of the transformer passes through the combined transformer. The combined transformer is generally used for electric energy measurement in the high-voltage power grid. The combined transformer is the same as the voltage transformer and the current transformer, the secondary output can be connected to the load, but the load should not exceed the nominal rated load of the transformer.
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