Test Bench for Thyristor Cells of on-Load Transformer Voltage Regulators

A test bench can increase the efficiency and speed of testing thyristor cells in the mass production of these elements. This paper presents the features of the procedure for testing thyristor cells of an electronic on-load tap changer (EOLTC). The proposed approach is a simple, but at the same time effective and safe solution, in many ways superior to existing methods. The paper presents an approach to the circuit implementation of the device, an example of the physical implementation of its construction is given. The oscillograms of the device operation confirming its operability are given.