Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 46,931

Document Document Title
WO/2019/154519A1
The invention relates to a method for operating an energy store (1) for an energy supply network, comprising a first energy storage module (M1) having a first module voltage (UM1) and a second energy storage module (M2) having a second m...  
WO/2019/155145A1
The invention concerns the regulation of the frequency of a grid (1) for transporting and/or distributing electricity from a predefined group comprising a plurality of units (US1 to US6) for storing/restoring electric power, capable of b...  
WO/2019/155109A1
The invention relates to a conversion system (100) with a DC side and an AC side, and to an associated control method. The system (100) comprises a primary conversion block (1), a secondary conversion block (2) and a transformer block (3...  
WO/2019/156370A1
The present invention relates to a parallel diesel engine power generator system and a control method therefor. The present invention comprises: a plurality of diesel engine power generators connected in parallel to each other; a power d...  
WO/2019/156373A1
The grid-connected inverter system according to one embodiment of the present invention can convert direct current supplied from a direct current source into alternating current, receive a control command from an upper level controller a...  
WO/2019/155332A1
What is described, inter alia, is a device for collecting power in a solar panel installation with one or more solar panels and a converter. The device further comprises i) an input terminal that can be coupled to one of the poles of the...  
WO/2019/155323A1
The invention relates to a control system for a wind turbine system (100) with a generator (101) for supplying electrical energy to a utility grid (200), a inertia management system (1) for obtaining at least one electrical property data...  
WO/2019/156192A1
Provided is a small-scale power conversion device, power-generating system, motor drive system, and power interconnection system. This power conversion device (101) has a configuration for which the phases of a three-phase alternating cu...  
WO/2019/155750A1
Provided is a management device for making an optimal plan regarding operation of electric power equipment of an electric power consumer, in usage of the electric power equipment. Feature information about the electric power equipment is...  
WO/2019/156797A1
The present disclosure provides systems and methods for managing an electric power delivery system. The systems and methods may limit generated power of the power delivery system from surpassing a load demand, in order to avoid system in...  
WO/2019/154649A1
A lighting system has a set of multiple LED luminaires, and combines solar panel power and external grid power. A solar converter converts the output from the solar panel into a first power. Each luminaire is associated with a driver to ...  
WO/2019/153305A1
A charging station, a method and device for controlling the charging station are provided. The charging station(100) includes a controller(118) configured to obtain load predictions of electric vehicles(120,122) and load predictions of a...  
WO/2019/157005A1
A system includes a generator configured to be electrically coupled to a grid, an engine configured to drive the generator, and a solid state generator coupled between the grid and an energy storage device. The system further includes a ...  
WO/2019/157171A1
A voltage stability prediction system (12) is configured to predict voltage stability of a power system (10) under a contingency. The voltage stability prediction system (12) in this regard may execute model-based contingency analysis us...  
WO/2019/150779A1
Provided are a determination device, a determination method, and a determination program with which it is possible to improve determination of abnormality in a solar power generation system. Provided is a determination device used for a ...  
WO/2019/150738A1
The purpose of the present invention is to implement a power system monitoring device through which an operator can more rapidly determine a stability decision result of a power system. In order to address this issue, the power system mo...  
WO/2019/150883A1
A power management system comprising: a shared power storage device shared by a plurality of facilities; a plurality of distributed power supplies provided in each of the plurality of facilities; and a power management server that manage...  
WO/2019/153018A1
A method for determining whether a fault is on a feeder line or a lateral line so as to allow an upstream recloser on the feeder line to immediately open in response to the fault if it determines the fault is on the feeder line. The meth...  
WO/2019/148980A1
An energy Internet system, an energy routing conversion device, and an energy control method, relating to the field of energy information. An alternating-current side energy routing conversion device (110) of the energy Internet system c...  
WO/2019/151656A1
An ESS output distribution method for determining a discharge share of respective unit ESSs in a structure in which a plurality of unit ESSs are connected to a system, of the present invention, can comprise the steps of: calculating the ...  
WO/2019/148688A1
Disclosed by the present invention is a method for controlling stability when a microgrid grid connection switches to island operation mode, i.e., collecting respective electrical quantities of a microgrid and an interconnection wire by ...  
WO/2019/149385A1
The invention is concerned with a neutral arrangement (NA) for a converter station (RS) of a direct current power transmission system comprising a first converter (22) with such a converter station and with such a system. The neutral arr...  
WO/2019/149118A1
A photovoltaic power generation system comprises at least one first photovoltaic assembly, a photovoltaic inverter, a first bidirectional DC-DC converter, and at least one first energy storage unit, and also comprises at least one second...  
WO/2019/152107A1
A method for providing frequency load shedding in a power distribution network. The network includes a number of distributed switch-gear assemblies that control whether AC power is provided to groups of loads. The distributed switch-gear...  
WO/2019/152981A1
A system for completing a well, including a generator, and a plurality of electric load components, each electric load component powered by the generator. The system further includes a load shedding control panel that monitors the genera...  
WO/2019/149818A1
The invention relates to a method for exchanging, in particular feeding in, electrical power into an electrical supply network having a network frequency, by means of an inverter-driven generation unit at a network connection point, comp...  
WO/2019/149561A1
The invention relates to a method for exchanging electrical power with an electrical supply network having a network frequency, by means of an inverter-driven generation unit, in particular a wind turbine or a wind farm, at a network con...  
WO/2019/148391A1
Provided are a grid fault detection method and a device having a distributed energy resource. The grid (300) comprises at least one AC power source (UG 31) provided by a public grid. The AC power source is coupled to a plurality of paral...  
WO/2019/084137A3
According to one aspect, embodiments of the invention provide a start-up circuit for a power system, the start-up circuit comprising an input configured to be coupled to a power source and to receive input DC power from the renewable ene...  
WO/2019/150814A1
A power management server comprises a control unit that manages a storage battery device shared by a plurality of entities, and a reception unit that receives requests including information elements indicating requested power amounts tha...  
WO/2019/150816A1
This monitoring system is provided with: a monitoring device which measures an output of a power generation unit including a solar panel, and determines, from the result of measurement in a first period and using a first reference, abnor...  
WO/2019/148800A1
Disclosed are a switching control method and apparatus for a modular converter, and a wind power converter. The switching control method for a modular converter comprises: acquiring an output voltage vector and an output current vector o...  
WO/2019/151639A1
The present invention relates to a drop frequency controller for maintaining different frequency qualities in an independent type multi-microgrid system, and an independent type multi-microgrid system using the same. The present inventio...  
WO/2019/149428A1
The invention relates to a method for regulating an electrical power transfer between at least two current supply units and at least one current consumption unit, said method comprising at least the following steps: providing a first dat...  
WO/2019/148771A1
Provided is a method for primary frequency control of a wind power generator, comprising: detecting a current frequency of an electric grid; if the current frequency of the electric grid is less than a standard frequency of the electric ...  
WO/2019/150586A1
A centralized voltage control device (8) according to the present invention is connected, via a communication network, to a plurality of local voltage control devices respectively controlling a plurality of voltage control machines that ...  
WO/2019/149948A1
The invention relates to a method and an assembly (1) for the load management of electrical devices. According to the invention, a superordinate server creates a schedule for controlling electrical components (12-17), which are combined ...  
WO/2019/150690A1
The purpose of the present invention is to provide a microgrid operation device and a microgrid operation method with which it is possible to accurately monitor frequency variations during transition to an autonomous operation. In order ...  
WO/2019/150662A1
The present invention provides a processing device (10) including: an acquiring unit (11) which acquires an adjustment request specifying a control time span and a control quantity for controlling electricity demand; a determining unit (...  
WO/2019/148689A1
A grid-connected tie-line power control system of a micro-grid and a method thereof. The steps of the method comprise: a micro-grid central controller collecting electrical quantities of a micro-grid and a tie-line respectively; judging ...  
WO/2019/145999A1
The purpose of the present invention is to increase the lifetime of a plurality of storage batteries as a whole. This DC feeding system is provided with: power conditioners 4a, 4b which supply generated power from power-generating device...  
WO/2019/145015A1
A DC/DC power converter 100 comprises three or more capacitors 120a-d connected in series between an output terminal 112 and a ground terminal 113, the three or more capacitors 120a-d being connected in series by means of two or more cap...  
WO/2019/145712A1
A building having a network of energy storage and energy consuming assets, which is connected to an alternating current electric supply grid having a normal frequency through an energy management system linked to a server. The energy man...  
WO/2019/146899A1
In order to solve the above technical problem, a direct current/direct current converter according to an embodiment comprises: an overcurrent protection circuit unit connected to a first terminal; a direct current stabilization circuit u...  
WO/2019/146655A1
A power supply device that is capable of being connected, together with at least one other instrument, to a shared communication line. The power supply device is provided with a communication unit and a control unit. The communication un...  
WO/2019/146900A1
A direct current-direct current converter, according to an embodiment, comprises: an overcurrent protection circuit unit connected to a first terminal; a direct current stabilization circuit unit connected to a second terminal; a bridge ...  
WO/2019/147323A1
Methods and controllers to operate a wind turbine system, including generating control signals to operate a boost converter and an inverter according to a setpoint, increasing the setpoint, sampling a feedback value after increasing the ...  
WO/2019/145006A1
Embodiments herein described provide systems and techniques for performing black start operations. For example, one embodiment provides a method for performing black start operations. The method generally includes 5 operating a wind turb...  
WO/2019/145701A1
A "pay as you go" electrical appliance is provided including data processing means capable of processing data in use. The electrical appliance is movable between a powered condition, wherein electrical power can be supplied to the applia...  
WO/2019/144166A1
The invention relates to a power supply facility comprising an input connection (1) for an AC power source, an output connection (2) for connecting an electrical load, and power supply lines connecting the input connection (1) to the out...  

Matches 1 - 50 out of 46,931