Voltage Control Relays

Sometimes referred to as tap changer control relays, these products are used to control the on load tap changer (OLTC) connected to power transformers. We are able to offer different types of relay and accessory products.

SuperTAPP SG is the latest realisation of the market-leading SuperTAPP range of AVC relays for transformer and tapchanger management.  SuperTAPP SG provides practical options to deliver a Smart Grid approach for distributed generation, network interconnection and reconfiguration, flexible and highly variable loads, and many other scenarios which cause challenges for voltage control.


Key Features:



The SuperTAPP n+ is owned and manufactured by Fundamentals. It was designed to solve problems associated with modern network issues such as embedded generation and power factor variations (reverse power etc). The relay offers patented functions which provide ultimate flexibility and future-proofing for the increasingly complex electricity network. The relay is compatible with the RTMU relay (monitor).