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Matches 201 - 250 out of 49,618

Document Document Title
WO/2020/146940A1
A method and system for power supply integration, comprising interfacing at least one of : i) an AC power supply and ii) a DC power supply, and supplying, from the at least one of : i) an AC power supply and a ii) a DC power supply, DC p...  
WO/2020/148326A1
A filter device for a power supply system (E) comprises a control unit (S) and a filter stage with an inductive component (L1) of a capacitive component (C11) connected thereto in series, and a control component (C12). The control unit (...  
WO/2020/147193A1
Disclosed in the present invention is a DC-side inertia enhancement control method for an island diesel-storage hybrid power supply system, primarily comprising the two portions of virtual inertia control and voltage-current dual loop co...  
WO/2020/149099A1
A power feed system is provided with a charge controller. The charge controller calculates, from a control unit time dividing a unit time for contracted power per unit time, an allocated power amount per control unit time, calculates, fr...  
WO/2020/149081A1
Provided is a power control device provided with: a mode switching unit for switching either a first mode which, in a state in which the power supply from a system line for supplying AC power is stable, operates on the basis of the frequ...  
WO/2020/148848A1
A system comprises: a period specification unit that specifies the period in which a vehicle comprising a drive power source is enabled to transmit and receive power to and from a power network; and a price control unit that, when a vehi...  
WO/2020/149494A1
The present invention relates to a direct current distribution autonomous control system (DC-DACS) and an operating method therefor, the system being connected to another cell (consumer) or an energy source within a microgrid and having ...  
WO/2020/125188A9
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/2020/146999A1
A PV power converter (4a, 4b, 4c, 4d), its control method and a PV power plant, the PV power converter includes: output terminals, input terminals being configured to be electrically coupled to output ends of PV array (2a, 2b, 2c, 2d), a...  
WO/2020/147572A1
An auxiliary circuit for a hybrid direct-current circuit, and a method and system for identifying the property of a fault of a multi-port flexible direct current grid. The auxiliary circuit is added to Nc IGBT sub-modules on a transfer b...  
WO/2020/143104A1
Disclosed by the present invention is a power grid mixing and rolling scheduling method that considers clogging and energy-storing time-of-use price, wherein 24 h in a day are divided into three periods, i.e., a 24-h period, a 1-h period...  
WO/2020/144841A1
This power conversion device (50) comprises: a power conversion circuit (550) which converts DC power output from a distributed power source into AC power, and outputs the AC power to a power distribution system; a voltage target value g...  
WO/2020/142891A1
The embodiment of the present application discloses a method, device and system for output power adjustment as well as a storage medium. The method comprises the following steps: when the output power supplied to a load by a first invert...  
WO/2020/143622A1
A maritime wind power DC connection system, comprising a boost connection transformer (12), a bus (13), a voltage source converter (14), and auxiliary devices. The boost connection transformer (12) and the bus (13) are located on a marit...  
WO/2020/142890A1
A method for adjusting a bus voltage, and a related device. The method comprises: firstly, acquiring a first reference amplitude value of a photovoltaic input voltage and an actual amplitude value of a bus voltage in a photovoltaic energ...  
WO/2020/144815A1
A power conditioner (1) is provided with: a bidirectional power converter (2) for converting DC power supplied from an electric vehicle (3) and AC power supplied from a commercial system (5) side to each other; a system parallel-off swit...  
WO/2020/144696A1
The present invention relates to an apparatus for reducing PID in photovoltaic solar systems comprising: a converter, connected at its output to the DC bus of the inverter comprising: (a) a switching element; (b) at least one coil; and (...  
WO/2020/144839A1
[Problem] Although a secondary battery for use in a power grid having a DC power system is preferably adaptable to float charging, the float charging causes a vicious circle of an increase in battery temperature, a reduction in battery i...  
WO/2020/144169A1
The invention relates to a wind turbine (1) comprising a converter (7) connected to a generator (4), which converter supplies at least some of the energy generated by the electrical generator (4) into an electrical grid (10), sensors (31...  
WO/2020/142330A1
A virtual synchronous generator device (110) disclosed. The device includes an inverter (212) and inverter controller (231) having a power control portion (275), a power reserve portion (264), a power point tracking control portion (253)...  
WO/2020/141390A1
Systems, methods, techniques, and apparatuses of a medium voltage alternating current (MVAC) network are disclosed. One exemplary embodiment is a direct current (DC) interconnection system (160) for an MVAC distribution network (100) inc...  
WO/2020/141175A2
Methods, devices and systems for generating electrical energy certificates, herein called Real-Time Guarantees of Origin, RTGOs. Methods, devices and systems for determining an operative state of an electricity supply or distribution net...  
WO/2020/141047A1
A charging station (10) for electric vehicles (38) comprises a central part (12) for converting a grid AC voltage from an electrical grid (18) into a high frequency AC voltage; a distribution network (16) for distributing the high freque...  
WO/2020/141009A1
A renewable power plant (100) configured to deliver electrical power to an electrical grid (104) in accordance with a reference (200) is disclosed. The renewable power plant (100) comprises at least one energy generating system of a firs...  
WO/2020/141389A1
Unique systems, methods, techniques and apparatuses of fault mitigation are disclosed. One exemplary embodiment is a fault mitigation system for a medium voltage alternating current (MVAC) distribution network including a direct current ...  
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...  

Matches 201 - 250 out of 49,618