Transformers
On-load Tap-changing Transformers (LRT)
Transformer that automatically adjusts the voltage on the load side to a constant level. Switching taps!
Category
Transformers Substation equipment
- On-load Tap-changing Transformers (LRT)
A tap-switchable transformer that has taps on the transformer to switch the taps without switching off the transformer load and constantly adjust the transformer ratio to maintain a constant voltage to be delivered. Load Ratio control Transformer.
Feature
The lineup also includes LRTs with a vacuum valve type tap changeover under load for easy maintenance.
Specifications and Ratings
| Primary voltage range（kV） | 22, 33, 66, 77, 110, 154, 275 |
|---|---|
| Secondary voltage（kV） | 6.6, 22, 33, 66, 77 |
| Tap points | 13～21 |
| Capacity (MVA) | 6～250 |