Step indicator µSI-02 is a digital measuring, microprocessor-based device that indicates the current position (step) of the step regulator of a high-voltage transformer in electrical substations. The step indicator is part of the “step regulator – motor drive” set, which are adjusted under the load of the high voltage transformer, providing remote signaling during independent or parallel operation of transformers. Used for network and special transformers intended for power supply systems and for controlling technological processes.
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