3 Phase Relay Tester

1. Product Name: HYJB-PC Universal Relay System Tester Introduction HYJB-PC is applied to test the relay unit in relay protection system. At the same time HYJB-PC could be considered as a universal three phase AC/DC voltage source or current source. 2. Features 1) AC current and voltage based protection relay unit test 2) DC current and voltage based protection relay unit test 3) Frequency protection relay unit test 4) Harmonic protection relay unit test 5) Differential