AKH-0.66/K series split current transformers are mainly used in reconstructing projects of urban and rural power grids. They can be mounted easily without removal of primary bus. They also can be operated with electricity, which prevents the normal utilization of electricity. ...
secondary current injection test device microcomputer relay protection tester Test set INTRODUCTION: The instrument is applied to test the relay unit in relay protection system.At the same time it could be considered as a universal three phase AC/DC voltage source or current ...