XJ ELECTRIC CO.,LTD

Patent Applications and Registrations

Patent applications and USPTO patent grants for XJ ELECTRIC CO.,LTD.The latest application filed is for "method for quickly identifying disconnection of ct in protection of 3/2 connection mode based bus".

Company Profile

8.18.14

XJ ELECTRIC CO.,LTD - Xuchang N/A CN
XJ ELECTRIC CO., LTD - Xuchang, Henan N/A CN
XJ ELECTRIC CO., LTD. - Xuchang Henan CN
XJ ELECTRIC CO.,LTD - Xuchan CN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Contact device of handcart circuit breaker and handcart circuit breaker Grant 10,741,338 - Wang , et al. A	2020-08-11
Method for preventing differential protection maloperation of optical fiber caused by saturation of single CT of 3/2 connection Grant 10,622,804 - Li , et al.	2020-04-14
Method for quickly identifying disconnection of CT in protection of 3/2 connection mode based bus Grant 10,551,425 - Huang , et al. Fe	2020-02-04
Distributed test method applicable to system-level test of intelligent high voltage equipment Grant 10,514,407 - Lu , et al. Dec	2019-12-24
Prevention method of abnormal action protection of UHV regulating compensation transformer with no-load input Grant 10,090,670 - Chen , et al. October 2, 2	2018-10-02
Method of differential protection in the power distribution networks based on phase difference principles Grant 10,082,816 - Niu , et al. September 25, 2	2018-09-25
Sampling implementation method and device based on conventional sampling goose trip mode Grant 9,985,428 - Chen , et al. May 29, 2	2018-05-29
Oil-gas separation cylinder, an oil-gas separation device and an oil chromatography Grant 9,956,506 - Zhou , et al. May 1, 2	2018-05-01
Method of preventing misoperations about a relay protection device in a smart substation Grant 9,904,588 - Wang , et al. February 27, 2	2018-02-27
Method for Quickly Identifying Disconnection of CT in Protection of 3/2 Connection Mode Based Bus App 20170192045 - Huang; Jidong ; et al.	2017-07-06
Method For Preventing Differential Protection Maloperation Of Optical Fiber Caused By Saturation Of Single Ct Of 3/2 Connection App 20170163024 - Li; Baowei ; et al.	2017-06-08
Differential protection method for bridge circuit in current converter control system Grant 9,667,131 - Liu , et al. May 30, 2	2017-05-30
Setting And Coordination Calculation Method For Protection Setting Value Of Dc System App 20170085076 - Zhang; Hongyue ; et al.	2017-03-23
Distributed Test Method Applicable to System-Level Test of Intelligent High Voltage Equipment App 20170082670 - Lu; Guanghui ; et al.	2017-03-23
Sampling Implementation Method And Device Based On Conventional Sampling Goose Trip Mode App 20170070336 - Chen; Jirui ; et al.	2017-03-09
Method Of Preventing Misoperations About A Relay Protection Device In A Smart Substation App 20170060670 - Wang; Leitao ; et al.	2017-03-02
Oil-gas Separation Cylinder, An Oil-gas Separation Device And An Oil Chromatography App 20170050123 - Zhou; Shuibin ; et al.	2017-02-23
Monitoring Method And System Of Arrester Applied To Smart Substation App 20170045567 - Yong; Mingchao ; et al.	2017-02-16
Method Of Differential Protection In The Power Distribution Networks Based On Phase Difference Principles App 20170038785 - Niu; Qiang ; et al.	2017-02-09
Prevention Method Of Abnormal Action Protection Of Uhv Regulating Compensation Transformer With No-load Input App 20170018919 - Chen; Jirui ; et al.	2017-01-19
Rapid Online Diagnosis Method Of Open-circuit Fault For High-power Rectifier App 20170003334 - Liu; Xing ; et al.	2017-01-05
Differential Protection Method For Bridge Circuit In Current Converter Control System App 20170005569 - Liu; Xing ; et al.	2017-01-05
Method And System For Correcting Acquisition Channel Of Merging Uinit In Power System App 20160377694 - Song; Yanfeng ; et al.	2016-12-29
Frequency Measuring Method and Measuring Device For Electricity System App 20160320437 - Wang; Li ; et al.	2016-11-03

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