T&D

Accessory Power Supply Allows Transformer Load Tap Changers to be Easily Tested

Designed for use in conjunction with the company’s circuit breaker analyzers, the new LTC135 accessory power supply from Megger allows transformer load tap changers to be tested easily and ...
Nature

Condition Monitoring and Fault Diagnosis of Power Transformer On-Load Tap Changers

On-Load Tap Changers (OLTCs) are critical components in power transformers that enable voltage regulation under load without interrupting service. Their frequent operation, however, induces mechanical ...
T&D

Reduce Transformer Failures with Scheduled Load Tap Changer Inspections

A Load Tap Changer (LTC) failure can be catastrophic to the rest of the electric power system. SDMyers, a transfomer reliability company, estimates that about 40 percent of LTC-equipped transformer ...
Global Times

First convertor transformer with China-made on-load tap changers starts operation

The first convertor transformer using China-made on-load tap changers have successfully been put into operation on Sunday at a crucial west-to-east power transmission project located in South China's ...
Machine Design

Solid-State ac Power Sources for Transformer Testing

Solid-state ac supplies replace motor-generator and tap-changing transformers to offer the same tests at the push of a button • Solid-state ac-power sources combine the variable-frequency and ...