CONTROL DEVICE FOR GRID-FORMING CONTROL, POWER SUPPORTING SYSTEM, AND METHODThe present disclosure relates to a control device (20) configured for grid-forming control using a voltage source converter, VSC, (10) electrically connected to a power grid (40) via a point-of-commo…DRIVE·4d ago·2 min readFollowH02J3/1842HITACHI ENERGY LTD [CH]
ENERGY STORAGE MODULE AND AN ENERGY STORAGE SYSTEM FOR A POWER GRIDThere is disclosed herein an energy storage module (10) for an energy storage system (4) connected to a power grid (2). The energy storage module comprises an energy storage unit (20) having an equiva…DRIVE·Jun 17·1 min readFollowH01G2/14HITACHI ENERGY LTD [CH]
POWER CONVERSION SYSTEM AND METHOD FOR CONVERTING POWEREmbodiments of present disclosure provide power conversion system (100) and method (200) for converting power. Power conversion system (100) comprising energy storage elements (102), first converter (…DRIVE·May 27·1 min readFollowH02J3/32HITACHI ENERGY LTD [CH]
CHARGING MANAGEMENT DEVICE, METHOD AND SYSTEMThe present disclosure relates to a charging management device for electric vehicles comprising at least one processor configured to obtain a predetermined state of charge, SoC, of a battery of the el…DRIVE·May 27·1 min readFollowB60L1/00HITACHI ENERGY LTD [CH]
CHARGING MANAGEMENT DEVICE, METHOD AND SYSTEM FOR ELECTRIC VEHICLESThe present disclosure relates to a charging management device for electric vehicles comprising at least one processor configured to obtain a predetermined state of charge, SoC, of a battery of the el…DRIVE·May 27·1 min readFollowB60L1/02HITACHI ENERGY LTD [CH]
PROCESSING SYSTEM AND METHOD FOR ELECTRIC POWER SYSTEM CONTROL AND/OR MONITORING, AND MACHINE-READABLE INSTRUCTION CODETo process monitoring data (68) during operation of an electric power system, a processing system (60) controls a human machine interface (62) to output an alarm panel, enable an operator input to sel…DRIVE·Apr 8·1 min readFollowG05B23/027HITACHI ENERGY LTD [CH]
QUICK START FOR IEDSThe present disclosure relates to a method for controlling an intelligent electronic device, IED, for power system components, the method comprising: rebooting the IED, wherein rebooting comprises rel…DRIVE·Dec 31·1 min readFollowG06F1/26HITACHI ENERGY LTD [CH]
METHOD AND SYSTEM FOR EVALUATING A CONDITION OF A POWER GRIDThe present disclosure relates to a method and system for evaluating a grid condition of an AC power grid (1). A time series of voltage and current signals of the AC power grid (1) is captured (S1) an…DRIVE·Dec 31·2 min readFollowG01R31/52HITACHI ENERGY LTD [CH]
POWER CONTROL SYSTEM FOR POWER NETWORKEmbodiments herein provide a power control system (100) for controlling reactive power and/or active power in a power network. The power control system (100) is operatively coupled to the power networ…DRIVE·Oct 15·2 min readFollowH02J3/1842HITACHI ENERGY LTD [CH]
METHOD, DEVICE, AND COMPUTER PROGRAM FOR CONFIGURING AN INTELLIGENT ELECTRONIC DEVICEA method and device (30) for configuring an intelligent electronic device (21), IED, hosting a logical node instance are provided. Incoming signals of the IED (21) are bound to inputs of a function, t…DRIVE·Sep 3·1 min readFollowG05B19/41845HITACHI ENERGY LTD [CH]
METHOD AND CONTROL SYSTEM FOR CONTROLLING A POWER CONVERTERThe present disclosure relates to a method of controlling a power converter (17), connected to an electrical grid, to mimic a synchronous generator, the method being performed by a control system (1),…DRIVE·Jul 9·2 min readFollowH02J3/38HITACHI ENERGY LTD [CH]
ENCLOSUREThe present disclosure relates to an enclosure for an electric device in a high voltage electric field, the enclosure (1) comprising at least one top element (2) and at least one corresponding bottom …DRIVE·Jun 4·1 min readFollowH01F27/02HITACHI ENERGY LTD [CH]
DETERMINATION OF PHASE CONNECTIONS IN A POWER GRIDThe present disclosure relates to a method for determining phase connections of grid components in a power grid, the method comprising assessing a relative similarity of time series of measured voltag…DRIVE·Oct 16·1 min readFollowG01R19/2513HITACHI ENERGY LTD [CH]
INVERTER CIRCUIT FOR AN ELECTRICAL AC MOTOR, ELECTRICAL DRIVE AND METHOD FOR CONTROLLING AN ELECTRICAL DRIVEThe present disclosure relates to an inverter circuit (10) for an electrical AC motor (32) comprising a primary energy storage device (10), a plurality of switching stages (14), a drive control circui…DRIVE·Jul 31·2 min readFollowB60L3/003HITACHI ENERGY LTD [CH]
