product description
The Three Phase Step Voltage Regulator adjusts the voltage for each phase by automatically switching between different voltage steps. The device uses electromagnetic switches or motorized adjustment mechanisms to regulate the voltage, ensuring stable operation of the load equipment.
Product Standards
IEEE Std C57.15™Part 21: Standard requirements, terminology, and test code for step-voltage regulators
IEC 60076-21 2018 version Part 21
IEEE C57.12.00-2015™ General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers
IEEE C57.12.90-2015 IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers
Operating taps comply to IEEE requirements


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