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.
Expertly engineered solutions
Helping you face the challenges of today’s grid control, we use our specialist engineering skills to bring you modern solutions for an ageing network.
Our voltage control products include some of our proudest inventions, including our pioneering SuperTAPP n+®, renowned for its impeccable performance and reliability.
Have a look at our full range:
Voltage control relays are normally mounted in a control panel, which can be installed outside in a substation compound near the transformer, or inside a substation building remote to the transformer.