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Matches 1 - 50 out of 49,991

Document Document Title
WO/2021/000643A1
Provided are a voltage hierarchical control system and energy management method for a multi-energy complementary hybrid energy storage system; both a supercapacitor unit and a lithium battery unit are connected to a DC bus (1, 11), const...  
WO/2021/001931A1
This power conversion system is provided with a plurality of power conversion devices and a server connected to each of the plurality of power conversion devices. The plurality of power conversion devices are each provided with: a power ...  
WO/2021/001062A1
An electrical power distribution system configured to automatically regulate one or more Voltage/VAR control devices for optimization of one or more user defined metrics in an alternating current (AC) electrical power distribution system...  
WO/2021/001002A1
A method for estimating components of a grid impedance, Z, of a power grid (1) being coupled to a power generating unit at a point of interconnection (4) is disclosed. A voltage, Vmeas, across the point of interconnection (4); an active ...  
WO/2021/002966A1
A system and method for managing operation of electrical devices includes a control module that monitors status of multiple sources of electrical power to one or more electrical devices and electrical usage of the one or more electrical ...  
WO/2021/001785A1
One embodiment is a system comprising a medium voltage direct current (MVDC) link electrically coupling a first AC-DC converter and a second AC -DC converter. The first AC -DC converter is electrically coupled with a first alternating cu...  
WO/2021/001993A1
This charging/discharging device (1) has a selection unit (27) for: obtaining, on the basis of load power value data indicating load power values, load power prediction data indicating a prediction of power consumed by an electric load; ...  
WO/2021/001005A1
The present invention relates to a system and a method for connecting at least one generator primary from a wind turbine to a frequency converter for generating AC power for a supply network, which generator comprises a plurality of inde...  
WO/2021/002539A1
The present invention relates to a solar module serial-to-parallel switching system for optimizing MPPT operating voltage on the basis of machine learning and, more specifically, to a solar module serial-to-parallel switching system for ...  
WO/2021/003006A1
A micro grid system comprises an adapter, a power controller, and secondary energy source. The adapter is in communication with an electric grid and configured to connect and disconnect a connection between the electric grid and a micro ...  
WO/2021/000534A1
Provided is an energy storage parallel operation system. The energy storage parallel operation system is composed of a meter, an EMS and a plurality of energy storage units; the EMS is in communication with the meter in an RS485 communic...  
WO/2021/000610A1
Provided is a three-phase voltage balancing and stabilizing apparatus, which falls within the field of electricity. The three-phase voltage balancing and stabilizing apparatus comprises an input voltage sampling apparatus, an output volt...  
WO/2021/001965A1
This power system is provided with: a solar cell panel; a first power conversion device constructed so as to convert direct current power from the solar cell panel into alternating current power and output the alternating current power t...  
WO/2021/000253A1
A photovoltaic system (100) and a control method for the photovoltaic system (100). The photovoltaic system (100) comprises: a photovoltaic array (110); an inverter stage (130) comprising a DC-DC converter (131) and a DC-AC converter (13...  
WO/2021/002289A1
The objective of the present invention is to diagnose an abnormality in the amount of electricity generated by a distributed power source while restricting an increase in the number of sensors. A packet generating unit 200 generates elec...  
WO/2021/001936A1
This power system comprises: a solar panel; a first power conversion device which is constructed to convert DC power from the solar panel into AC power, and output the AC power to an electric power system; a storage battery; and a second...  
WO/2021/003458A1
The present invention provides for a high voltage direct current power supply including a primary high voltage direct current supply offering a primary output; a floating secondary output floating with respect to the primary output and f...  
WO/2021/001963A1
The present invention is characterized by comprising: a data acquiring unit (202) for acquiring actual performance values from a plurality of energy supply apparatuses; a priority setting unit (204) for setting priorities with respect to...  
WO/2021/001060A1
Systems and methods are described herein that improve grid performance by smoothing demand using thermal reserves. The smoothed demand can reduce peak loads as well as the ramp rate of demand that will otherwise require the use of ineffi...  
WO/2021/001872A1
Provided is an uninterruptible power supply device capable of responding to a variety of system abnormalities other than frequency fluctuation and voltage drop including instantaneous voltage drop. An uninterruptible power supply device ...  
WO/2021/002972A1
A system and method for regulating charge/discharge of a battery to stabilize a regional power grid includes a regulation control module that monitors a frequency regulation signal from the regional power grid and market conditions for o...  
WO/2021/000620A1
The present application provides a high voltage direct current transmission conversion unit, a control method and device, and a system main circuit. The high voltage direct current transmission conversion unit comprises a first current s...  
WO/2020/260513A1
The invention relates to a method for controlling an electrical transmission network comprising a plurality of DC high-voltage lines (320) and at least three AC/DC converters identified by a respective index i, the method comprising: - f...  
WO/2020/261960A1
This monitoring system for a concentrating photovoltaic power generation device is provided with: a plurality of concentrating photovoltaic power generation devices that constitute power generation equipment; and a monitoring device that...  
WO/2020/260519A1
The invention relates to a method for controlling an electrical transmission network (1) comprising a plurality of DC high-voltage lines (320) and at least three AC/DC converters (21, 22, 23, 24, 25) which are identified by a respective ...  
WO/2020/261797A1
The purpose of the present disclosure is to provide resource control that is easily adopted by consumers. Provided is a power control method with which an adjusting capacity related to power supply and demand or wholesale power is provid...  
WO/2020/263105A1
The invention provides a system for subsea pressure booster HV (high voltage), MV (medium voltage) and LV (low voltage) power supply and distribution. The system is distinguished in that the system consists of, essentially consists of or...  
WO/2020/260504A1
The invention relates to a method for supplying electrical power to an electrical supply grid at a grid connection point (118) by means of a wind farm (112) having a plurality of wind turbines (100), wherein the wind turbines (100) are c...  
WO/2020/258690A1
Disclosed in the present invention is a circuit using an alternating current panel switch to implement direct current shutdown, comprising a switch power source, a direct current contactor, a panel switch, and a load, the direct current ...  
WO/2020/264336A1
Systems and methods are directed controlling components of a utility grid. The system can receive signals. The system can determine one or more statistical metrics based on the signals. The system can generate an input matrix. The system...  
WO/2020/259211A1
The embodiments of the present application disclose a hybrid MMC control method and system. Said method comprises: in cases where a converter station operates in a reduced voltage/half voltage and a single valve group puts into and out o...  
WO/2020/259860A1
The present invention relates to a battery unit configured to store and release electrical energy, wherein the battery unit comprises a first set of rechargeable battery modules, comprising at least one rechargeable battery module, a sec...  
WO/2020/260257A1
The present disclosure relates to a method of estimating distribution system conditions in a low-voltage network of a distribution system, said low-voltage network having a plurality of local nodes, wherein one or more of the local nodes...  
WO/2020/257951A1
A method for controlling an electric device includes monitoring a usage of an electric supply of an electric network and determining that an excess capacity of the electric supply is less than a required power of the electric device. Mon...  
WO/2020/252813A1
A double-layer adaptive inertia control method and device for an inverter interfaced distributed generator. The method comprises: obtaining the relationship between a virtual inertia constant of VSG and an output angular frequency of IID...  
WO/2020/254525A1
A control and monitoring device integrated in an intermediary coupling unit, said intermediary coupling unit being configured to couple an electrical appliance to a power supply, said control and monitoring device comprising a control mo...  
WO/2020/256056A1
This self-consignment system is provided with: a power source management server for managing a power generation facility; and a power management server for managing power supplied from a power grid to two or more facilities including a d...  
WO/2020/254029A1
The application relates to a method for determining a characteristic curve for a photovoltaic (PV) string (3) of a photovoltaic system (1) having an inverter (11) which is connected on the input side to the photovoltaic string (3) and on...  
WO/2020/255351A1
This DC/DC conversion system comprises: a current detecting means for detecting a current flowing from a solar cell panel to a power conversion device; and a DC-DC conversion device which is interposed between battery equipment and the p...  
WO/2020/256055A1
This self-consignment system performs self-consignment for transmitting, from a power generation facility belonging to a first entity to a demand facility belonging to the first entity via a power system managed by a second entity differ...  
WO/2020/251783A1
An inductive power transfer system is used for transferring electrical power across a gap, such as an air gap or a liquid gap, such as to unmanned autonomous vehicles (UAVs). The power transfer system is a polyphase system that creates a...  
WO/2020/248249A1
It provides a DC system converted from an AC system with phase line A, phase line B and phase line C and tis control method. The DC system includes: a first converter station and a second converter station connected by a first phase line...  
WO/2020/250277A1
The negotiated contract adjustment device (1) according to the present invention is provided with: a storage unit (14) for storing adjustment condition information indicating an adjustment condition for performing, for each negotiated co...  
WO/2020/249742A1
The invention relates to a method for stabilising an electrical supply network (400) with a network voltage and a network frequency; the electrical supply network (400) comprises a plurality of consumers (414, 415) for consuming electric...  
WO/2020/251784A1
A power transfer system includes a series of energy storage modules (ESMs) or energy storage devices (ESDs) that are coupled together to be able to transfer power between one another, as well as receive power from a power source, such as...  
WO/2020/250423A1
An objective of the invention is to appropriately control storage with a simple uncertainty description of the storage. A system control unit (5) provides an overall system command (OSC). A load measurement unit (4) measures a current lo...  
WO/2020/248415A1
An energy storage power supply system, comprising: an energy storage apparatus (10), an energy storage management apparatus (20), a two-way current inversion apparatus (30), an energy storage monitoring terminal (40), and an energy stora...  
WO/2020/251527A1
A system for detecting power status changes, such as power outages or power restorations, at a multi-meter node associated with a power distribution network is provided. For example, a multi-meter node associated with a power distributio...  
WO/2020/245752A1
The invention relates to a method for evaluating the stability of a microgrid comprising a plurality (N) of sources (Si) controlled via a logic (mi, ni), the voltage / current relations of the network being expressed in matrix form (Y) a...  
WO/2020/247300A1
Methods, systems, and apparatus, including computer programs stored on a computer-readable storage medium, for obtaining a reference phase signal that is synchronized with an alternating current (AC) phase of a multi-phase electrical pow...  

Matches 1 - 50 out of 49,991