AVR – Automatic Voltage Regulator – V1 The IED performs the “function 90” of voltage regulators, using mathematical models and AI depending on the load curve. It has parallelism control and maintenance of the OLTC management as optional features. Manual CatalogNews!This sensor now has a replacement.Click on the button below and check out its replacement, the new AVR – Automatic Voltage Regulator – V2 Meet the new AVR-V2