Patent · US Active

Method for quickly identifying disconnection of CT in protection of 3/2 connection mode based bus

US10551425B2 · kind B2 · utility

0Cited by

1References

7Claims

0Family size

Assignees

XJ GROUP CORPORATION · CN
XJ ELECTRIC CO., LTD · CN
XUCHANG XJ SOFTWARE TECHNOLOGY CO., LTD. · CN
State Grid Corporation of China · CN

Inventors

Jidong Huang · Xuchang, CN
Chuankun Ni · Xuchang, CN
Hui Tang · Mountain View, US
Zhiyong Wang · Sunnyvale, US
Feng Xiao · Xuchang, CN
Shasha Hu · Xuchang, CN
Yun Gong · Cupertino, US
Guangjie Feng · Xuchang, CN
Shusheng Li · Qingdao, CN
Ning Yang · Los Angeles, US
Yanhai Zhang · Xuchang, CN

Key dates

Filing date	Nov 22, 2016
Grant date	Feb 4, 2020
Priority date	—
Expiry date	Jul 18, 2038

Classification

Technology area (CPC G)Physics
CPC primaryG01R31/62
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The present disclosure relates to a method for quickly identifying disconnection of a Current Transformer (CT) in protection of a 3/2 connection mode based bus. The present disclosure can quickly and accurately identify the disconnection of the CT, thereby avoiding the problem of a maloperation in protection of a bus caused by the disconnection of the CT.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.