Tripping circuit on-line detection device and relay protection device

• Main Authors: YU CHAO, FENG WENXIN, YUAN RENBIAO, XU JUN, CHEN QIUPENG, XING FANGBO, LI YI, SEO JI-UM, XU-RUI ZILING, LIU CHANGFA, LI BOYI, YANG BO, WU CHAOKUI
• Format: Patent
• Language: Chinese; English
• Published: 16.07.2024
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION; MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The invention relates to a tripping circuit on-line detection device and a relay protection device, the tripping circuit on-line detection device comprises a signal trigger module, a pulse module, a switch module, a detection module and a processing module, the signal trigger module is used for providing a detection signal under the condition of receiving a tripping circuit detection signal; the pulse module is connected with the signal triggering module and is used for generating a transient opening pulse signal according to the detection signal; the switch module is connected with the opening branch and the pulse module, and is used for responding to the transient opening pulse signal so as to conduct the opening branch; the detection module is connected with the opening branch and is used for detecting a first current signal of the opening branch under the condition that the opening branch is conducted; the processing module is connected with the detection module and is used for determining whether the ope