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Patent Searching and Data


Matches 151 - 200 out of 49,356

Document Document Title
WO/2020/142408A1
Systems, methods, and products are described herein for identifying deviations within a power system. Using time-synchronized measurement devices, a set of voltages and currents associated with a plurality of electrical components within...  
WO/2020/137940A1
The present invention includes a power converter, a voltage detector that detects system voltage on the ac-circuitry end of the power converter, and a controller that by transmitting a drive signal to the power converter controls power c...  
WO/2020/133351A1
Disclosed in the present application is an inverter, comprising: a direct current (DC) conversion unit, a bus unit, and an inversion unit. The DC conversion unit comprises a first positive input end, a first negative input end, a second ...  
WO/2020/136085A1
The invention relates to an energy-generating plant (2) and to a method for providing control power for an alternating voltage system (1) by means of an energy-generating plant (2), the energy-generating plant (2) comprising a photovolta...  
WO/2020/138512A1
[Problem] To perform charging or trading by freely matching a supplier and a consumer while suitably evaluating the value of power. [Solution] According to the present invention, a user system 4 is provided with a smart meter 41 which me...  
WO/2020/135904A1
The invention relates to a method for controlling a power generating unit such as a wind turbine which is configured as a virtual synchronous machine. Capacitor voltage signals obtained from voltage measurements of output capacitors are ...  
WO/2020/136179A1
The invention relates to a system intended to be employed in a DC mesh network that comprises at least one cell comprising at least one node between a first link, a second link and a third link, said network being able to operate in a nu...  
WO/2020/138514A1
[Problem] To promote the introduction and spread of renewable energy by encouraging power which contributes to the environment to be consumed in a manner which contributes to the environment. [Solution] A user system 4 is provided with a...  
WO/2020/135894A2
The invention provides a method and device for establishing a transmission line on/off switching combination scheme for limiting short circuit current. The method applies to the technical field of power systems, and comprises: setting an...  
WO/2020/138558A1
A small-scale distributed power generation management system, which can be linked to a power trade market is disclosed. The small-scale distributed power generation management system according to the present invention comprises: a distri...  
WO/2020/134815A1
The present invention relates to a power conversion and control device, comprising: a power conversion unit, configured to perform power conversion; an energy storage battery pack connection end, configured to connect to an energy storag...  
WO/2020/135877A1
The present application provides a photovoltaic system, relating to the technical field of electric power and capable of increasing the working voltage of photovoltaic strings. The photovoltaic system comprises an adaptive circuit, a fir...  
WO/2020/133056A1
It is therefore an objective of the invention to provide a central and distributed photovoltaic power plant and its control system. The power plant incudes a plurality of DC to DC power conversion circuits, a DC to AC power conversion ci...  
WO/2020/136576A1
Examples approaches for power quality monitoring in a power distribution grid are described. In an example, monitoring data is received by a communication gateway from a node coupled to it. In an example, there may be multiple nodes in t...  
WO/2020/138513A1
[Problem] To promote the introduction/spread of renewable energy by suitably distributing, according to an environmental value of power, financial resources such as contributions by companies. [Solution] According to the present inventio...  
WO/2020/135975A1
What is described is a method for operating an electrolysis device (10) having a converter (12) that is connected, at its AC voltage side, to an AC voltage grid (15) via a decoupling inductor (13) and draws an AC active power from the AC...  
WO/2020/130885A1
The invention relates to the field of electrical engineering, more specifically to methods and systems for monitoring and controlling electrical devices, including a power line of electrical devices connected to a controller for monitori...  
WO/2020/126209A1
A description is given of a method for controlling an electrical installation (1) having electrical devices (2) which can be operated in an energy-producing, energy-storing and/or energy-consuming manner and are connected to an energy su...  
WO/2020/079074A3
An autonomous vehicle (AV) planning method comprises: receiving sensor inputs pertaining to an AV; processing the AV sensor inputs to determine an encountered driving scenario; in an AV planner, executing a tree search algorithm to deter...  
WO/2020/125188A1
A power distribution network fault load transfer power restoration method. An optimal solution can be found by means of two times of tree-shaped traversal of a power distribution line, a feasible solution is found by means of the first t...  
WO/2020/130810A1
A method and a monitoring system (8) being used as a part of a Wide Area Monitoring, Protection, and Control (WAMPAC) application for determining groups of generators operating synchronously in an electric power system (1). The method co...  
WO/2020/126559A1
The invention relates to a method for operating an energy management system (12) of at least one grid participant which is electrically connected or can be electrically connected to at least one power grid at a grid connection point, hav...  
WO/2020/129389A1
When a renewable energy power generation system is connected to an electric power system, a storage device must be provided that has storage capacity sufficient for suppressing the output fluctuation of the renewable energy power generat...  
WO/2020/129440A1
The present invention discloses a power conversion device and a power conversion system capable of reliably suppressing power fluctuation in accordance with SOC. The power conversion device (101) controls the charging and discharging of ...  
WO/2020/131005A1
A system (100) includes a facility power bus (102) coupled to a utility power grid (112), a power generation sub-system (108) coupled to the facility power bus via one or more first power converters (138), and a fault current control sub...  
WO/2020/130366A1
A power grid control device of the present invention may comprise: a grid input interface for receiving an input of information on an operation state of a power grid; a grid output interface for outputting a signal for operating the powe...  
WO/2020/127312A1
It is described an arrangement (5), in particular computing platform, for controlling an electric energy generating plant, in particular wind turbine park (1), located in proximity of plural residents (7a,..., 7e), the arrangement compri...  
WO/2020/125868A1
The invention relates to a method, a device (1) and a system for stabilizing an electricity grid, wherein the grid is stabilized by equalizing the generation and consumption of electrical energy by withdrawing excess electrical energy fr...  
WO/2020/125881A1
There is provided a method (500) for operating a renewable energy power plant (12) comprising a plurality of renewable energy generators (14), the method (500) comprising: calculating (502) a rate of change of reactive power reference le...  
WO/2020/128493A1
A method and apparatus for identifying a fault in an alternating current electrical grid is provided.  
WO/2020/126249A1
The invention relates to a device (1) for dynamic load-flow control in a high-voltage network (17), which has at least one phase conductor (16) and at least one first high-voltage terminal (42), each first high-voltage terminal being des...  
WO/2020/125950A1
The invention relates to a method for operating a multilevel converter (800) having multiple phase modules (400, 400ʹ, 400ʹʹ) which each have three phase module branches (11, 13, 404; 11ʹ, 13ʹ, 404ʹ; 11ʹʹ, 13ʹʹ, 404ʹʹ). In a ...  
WO/2020/131973A1
A power system of a consumer premises includes a circuit breaker to provide power to an electrical circuit and a current sensor mounted proximate a connection of the circuit breaker. The current sensor generates data that a controller us...  
WO/2020/125883A1
The invention relates to a hybrid power plant (100) for producing power to the electrical grid, the hybrid power plant comprising a plurality of energy assets; a first renewable power generating unit, such as wind turbine generators (WTG...  
WO/2020/129161A1
This control device (100) for an active filter (80) is connected at an installation point (4a) in parallel with a load (4b) to an AC power supply (2) provided in a power system and includes: a harmonic voltage detection unit (7) for dete...  
WO/2020/125882A1
There is provided a method (400) for operating a renewable energy generator (14) forming part of a renewable energy power plant (12), the renewable energy power plant (12) being connected to a power network (16) at a point of connection ...  
WO/2020/118734A1
Disclosed is a distributed energy storage scheduling method and apparatus. The method comprises: acquiring a scheduling parameter (S101); solving a preconstructed distributed energy storage scheduling model to obtain a distributed energy...  
WO/2020/121447A1
[Solution] A control device for a hydrogen system according to the present embodiment, which produces hydrogen by using first power provided from a renewable energy power generation device and second power provided from a power system, i...  
WO/2020/121428A1
The control device for a hydrogen system according to the present embodiment is for controlling a hydrogen system for producing hydrogen using first electrical power generated by a reusable energy power generation device and second elect...  
WO/2020/119408A1
A power supply circuit and a photovoltaic power generation system comprising same. The power supply circuit utilizes the condition that a voltage output by discharge of a capacitor is a direct-current voltage which decreases with time, a...  
WO/2020/123603A1
An energy virtualization system may include a physical interface gateway that may include a plurality of common interfaces. The plurality of common interfaces may be coupled to a plurality of energy-producing devices, a plurality of ener...  
WO/2020/119389A1
A non-contact power transmission system, comprising a first power subsystem (101) and a second power subsystem (102). An input end of the first power subsystem (101) is electrically connected to a power supply (10), and an output end of ...  
WO/2020/121436A1
The control device according to one embodiment controls a hydrogen system including at least a hydrogen manufacturing device, the receiving power of which is previously planned and the hydrogen manufacturing amount of which changes in ac...  
WO/2020/122605A1
A micro-grid system with a power supply is disclosed according to one embodiment of the present invention. The micro-grid system with a power supply, according to one embodiment of the present invention, comprises: a first node having AC...  
WO/2020/121756A1
This compressed air storage power generation device (10) is provided with electric motors (2a-2d), compressors (3a-3d), pressure accumulator units (6a, 6b), expanders (5a-5d), power generators (4a-4d), and a control unit (15). The compre...  
WO/2020/121362A1
A distributed power supply devices (100) are interconnected to a distribution system (300) to which a step voltage regulator (310) is connected. A management device (200) periodically transmits information for setting a first voltage wid...  
WO/2020/122475A1
An energy storage system is provided. The energy storage system includes a battery, a power conversion system, and an energy management system configured to control the power conversion system to supply power to the power consumption sys...  
WO/2020/121441A1
A hydrogen energy control system according to the present embodiment is provided with: a hydrogen energy system; a power network control system; a hydrogen transport system; and a hydrogen energy integrated management system which contro...  
WO/2020/121466A1
The power supply system according to an embodiment is provided with at least one or more inverter power supplies, a control device, and a current supply device. The inverter power supplies are connected to a power transmission line provi...  
WO/2020/119159A1
A thermal power unit dynamic real-time scheduling method based on the Cauchy distribution of wind/light power output, relating to the technical field of power system operation. By means of analysing historical wind power output, statisti...  

Matches 151 - 200 out of 49,356