Inventor

HA HENGXU

GB24 patents

⚠️ This page may combine multiple inventors who share the name “HA HENGXU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HA HENGXU

GENERAL ELECTRIC TECHNOLOGY GMBH

Systems and methods to improve distance protection in transmission lines

Apparatus for determination of a ground fault and associated method

Systems and methods for determining a time delay in electrical power systems

Direct current distance protection schemes

Relating to direct current protection schemes

Method of locating a fault in a power transmission scheme

Systems and methods for high impedance fault detection in electric distribution systems

Method of locating a fault in a power transmission scheme

Protection of power transformers

Systems, apparatus, and methods for locating a fault in a plurality of windings of a transformer

Protection apparatus

Dynamic line rating determination apparatus and associated method

Measurement of current within a conductor

In or relating to circuit interruption devices

System and method of predicting the presence of an out-of-step condition in a power system

Direct current distance protection controllers

Systems and methods for dynamic rating of power grids

Relating to locating faults in power transmission conduits

Universal traveling-wave-based protection and fault location for power system

Fault location detection and distance protection apparatus and associated method

Circuit interruption apparatuses

Apparatus for determination of the frequency of an electrical signal and associated methods

Protection apparatus

ALSTOM TECHNOLOGY LTD

Electrical power networks