Inventor

HAO KEI

US19 patents

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

HAO KEI

SCHWEITZER ENGINEERING LAB INC

Fault magnitude calculation during current transformer saturation

Multi-phase sensing and control using a combination of line post sensors and wireless current sensors

Bidirectional capacitor bank control

Predictive maintenance of protective devices using wireless line sensors and systems

Intelligent electronic device control using wirelessly transmitted multi-phase electrical measurements

Wireless neutral current sensor (WNCS)

Determining the size of a capacitor bank

Intelligent electronic device control using wirelessly transmitted multi-phase electrical measurements

Fault current calculation during transformer saturation using the waveform unsaturated region

Bidirectional capacitor bank control

Event direction in line sensors

Fault direction calculation during current transformer saturation

Systems and methods for determining load direction under adverse environmental conditions

Intelligent electronic device control using wirelessly transmitted electrical measurements

Automatically determining the size of a capacitor bank using wireless current sensors (WCS)

Systems and methods to identify open phases of a capacitor bank

Electric power distribution sectionalizing in high-risk areas using wireless fault sensors

GOOGLE LLC

Distributed main-tie-tie-main transfer control scheme

Controlling feeder units for self-restoration of power