Longform — Long-form writing on the AT Protocol

FLICKER PREVENTION DEVICE AND FLICKER PREVENTION CONTROL METHOD

A frequency detector detects a system frequency from an AC voltage on an AC power line to which a power conditioner performing system interconnection of a distributed power supply is connected. A powe…

DRIVE·Apr 30·1 min read

H02J3/002 TMEIC Corporation

VOLTAGE CONTROL APPARATUS AND VOLTAGE COTROL METHOD

A voltage control apparatus, when a voltage drop of an output voltage of an inverter is equal to or larger than a threshold, calculates first virtual impedance using various variables, calculates, suc…

DRIVE·Jan 15·2 min read

H02J3/002 TMEIC CORPORATION

POWER SUPPLY SYSTEM FOR ARC FURNACE AND ASSOCIATED ARC FURNACE AND METHOD

The power supply system (1) for arc furnace (2), includes:- a power converter (9), and- a polyphase transformer (10),The power supply system further comprises first disconnecting means (13) connecting…

DRIVE·Dec 17·1 min read

H02J3/002 GE ENERGY POWER CONVERSION TECHNOLOGY LTD [GB]

VOLTAGE SOURCE INVERTER CONTROL FOR UNBALANCED AND NONLINEAR LOADS

An interface circuit to interface an energy source to a power bus of a microgrid includes a switching inverter circuit, an output filter circuit coupled between an output of the three-phase inverter c…

DRIVE·Jul 17·1 min read

H02J3/002 Caterpillar Inc.

VARIABLE SPEED DRIVE CONTROL

Examples include a method for controlling a variable speed drive driving an electric motor. The variable speed drive is connected to an electric power source and comprises a passive DC-link and an inv…

DRIVE·Apr 2·2 min read

H02J3/002 SCHNEIDER TOSHIBA INVERTER EUROPE SAS [FR]

FLICKER PREVENTION DEVICE AND FLICKER PREVENTION CONTROL METHOD

A frequency detector detects a system frequency from an AC voltage on an AC power line to which a power conditioner performing system interconnection of a distributed power supply is connected. A powe…

DRIVE·Aug 31·1 min read

H02J3/002 TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION

GRID-TIED POWER GENERATION SYSTEM AND GRID-TIED POWER FLUCTUATION SUPPRESSION DEVICE AND METHOD THEREOF

The disclosure provides a grid-tied power generation system and a grid-tied power fluctuation suppression device and method thereof. The system includes a first direct current source, an inverter, and…

DRIVE·Jul 6·2 min read

H02J3/002 Wanbang Digital Energy Co., Ltd.

#H02J3/002

FLICKER PREVENTION DEVICE AND FLICKER PREVENTION CONTROL METHOD

VOLTAGE CONTROL APPARATUS AND VOLTAGE COTROL METHOD

POWER SUPPLY SYSTEM FOR ARC FURNACE AND ASSOCIATED ARC FURNACE AND METHOD

VOLTAGE SOURCE INVERTER CONTROL FOR UNBALANCED AND NONLINEAR LOADS

VARIABLE SPEED DRIVE CONTROL

FLICKER PREVENTION DEVICE AND FLICKER PREVENTION CONTROL METHOD

GRID-TIED POWER GENERATION SYSTEM AND GRID-TIED POWER FLUCTUATION SUPPRESSION DEVICE AND METHOD THEREOF