UT-9931A Manuals
UT-9931A transformer Main Protection / control unit Manual
This document is an instruction manual for the UT-99 series microcomputer-based protection and control devices. These products are suitable for protection, control, and measurement of substations and transformers at different voltage levels. Specific functions include transformer main protection, line protection, feeder protection, transformer backup protection, electrical measurement, etc.
File format: PDF Size:469 KB