Inventor

HARNEFORS LENNART

SE20 patents

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

HARNEFORS LENNART

ABB SCHWEIZ AG

Voltage source converter (VSC) control system with active damping

Method and control system for controlling a voltage source converter using power-synchronization control

Multi-level power converter and a method for controlling a multi-level power converter

Multilevel converter with energy storage

Method and control system for controlling a voltage source converter using power-synchronization control

Grid frequency control in an offshore wind farm

Grid forming vector current control

Voltage-source converter control system

HARNEFORS LENNART

Method and device for controlling a multilevel converter

Modular multi-level power converter with second and third order harmonics reduction filter

Power converter with multi-level voltage output and harmonics filter

Method and system to start multiple AC motors supplied by a power converter via a common AC bus

HITACHI ENERGY SWITZERLAND AG

Buck boost converter cell for MMC

Multi-port grid forming control for grid interties

Switching circuit with snubber components

ABB TECHNOLOGY LTD

Arrangement, method and computer program product concerned with tapping of power from a DC power line to an AC power line

Method and apparatus for damping oscillations in a power system

DOEFNAES LARS

Power converter with distributed cell control

JONSSON TOMAS

Method in a cascaded two-level converter, control device and computer program products

PAPAFOTIOU GEORGIOS

Controlling a high-voltage direct-current (HVDC) link