Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 701 - 750 out of 49,356

Document Document Title
WO/2019/184676A1
Disclosed are a method for power grid regulation based on variable frequency air conditioning loads, a device, and a storage medium. The method comprises: establishing a regulation structure for a virtual synchronous motor according to a...  
WO/2019/185151A1
The invention relates to an electrical circuit comprising a load (2) and at least one voltage source converter (24a-c) for reactive power compensation, which is connected to the load (2) in series. The voltage source converter (24a-c) is...  
WO/2019/187524A1
This generator unit relocation calculation device is provided with a position information acquisition unit which acquires position information indicating the positional relation between multiple generator units, each of which includes so...  
WO/2019/185753A1
The present invention proposes a system that is directly coupled to the transmission network or the distribution network, wherein a variable-speed, twin-fed asynchronous machine is combined with a flywheel. Besides the function as a volt...  
WO/2019/184132A1
The present invention relates to the field of grid power flow calculation and the technical field of data driving, and provides a data driving-based grid power flow equation linearization and solving method. The method comprises: first e...  
WO/2019/190454A1
Devices, systems and methods are provided that introduce electrical components to alter the electrical characteristics of power delivery systems in residential and commercial power circuits to: prevent the disaggregation of electrical ut...  
WO/2019/184609A1
Disclosed is a flexible domestic power supply system based on renewable energy and a mains power supply, comprising: a power source controller; a plurality of load controllers having identical structures; a first live wire; and a second ...  
WO/2019/187359A1
A management device that manages a power system and has provided therein: a frequency fluctuation risk evaluation unit and a risk mitigation measures evaluation unit. The frequency fluctuation risk evaluation unit: obtains, from a market...  
WO/2019/184481A1
A system (10) and a method for managing current and/or electrical power consumption in an appliance (100). The system (10) described herein utilizes a controller (200) and/or processor (202) either integral to or separate from the applia...  
WO/2019/185267A1
A method for operating a pumped storage power plant (1) comprising a headwater reservoir (3), an underwater reservoir (4), a water path (5), which is arranged between the headwater reservoir (3) and the underwater reservoir (4) so as to ...  
WO/2019/184286A1
An online dynamic decision-making method and system for unit restoration. Said method comprises: determining a black-start power source when a system is restored, and from all the units, selecting as a set of units to be restored units n...  
WO/2019/187153A1
The present invention comprises: a first supply/demand information acquisition unit that acquires first supply/demand information indicating an electric power supply/demand and a hydrogen supply/demand in a hydrogen generation system tha...  
WO/2019/184389A1
A system and method for voltage-free sampling coordinated control for multiple grid-connected inverters. The system comprises multiple grid-connected inverters and one network voltage collection apparatus, wherein an input end of each of...  
WO/2019/191583A1
An exemplary power system includes a DC power bus and a photovoltaic system connected to the DC power bus. An energy storage system is connected to the DC power bus and stores energy injected to the DC power bus by the photovoltaic syste...  
WO/2019/185224A1
The invention relates to a rotary machine (3) comprising a stator (11) and a rotor (8) that can rotate about an axis of rotation (10). The stator (11) is mechanically divided into stator segments (14), each of which cover a respective se...  
WO/2019/184326A1
A peak-valley energy-saving electricity storage and charging device for a new energy vehicle, wherein a portable mobile box (1) thereof comprises a box body (11), movable casters (12), and a telescopic pull rod (13); a storage battery (2...  
WO/2019/187411A1
Provided is a control device for a distributed power source, the control device being capable of stabilizing the output power of a distributed power source linked to a power system. A control device (100) for a distributed power source: ...  
WO/2019/184305A1
A current-sensorless grid current control method applicable to a grid-connected inverter, relating to a system consisting of a main grid-connected inverter circuit and a grid-connected inverter control circuit. The grid-connected inverte...  
WO/2019/184610A1
Disclosed are access control device and method for a domestic load based on a renewable energy and a mains power supply. In the present invention, domestic loads are divided, according to characteristics and power source requirements of ...  
WO/2019/184161A1
A mesoscale data-based automatic wind turbine layout method and device. The method comprises: initially screening an input wind field region on the basis of input mesoscale wind map data by means of a wind speed limit value to obtain a f...  
WO/2019/183925A1
Disclosed in the present invention are a supply-demand type intelligent low-voltage reactive control assembly structure and a control system. The supply-demand type intelligent low-voltage reactive control assembly structure comprises a ...  
WO/2019/179949A1
The invention concerns a method, set point determining device (38) and computer program product for determining set points of machines, energy storage units, wind generators and/or solar panels (12, 14, 16, 18) in a power system (10). Th...  
WO/2019/180273A1
A system for controlling voltage supply to a portion of a distribution grid, the portion of the grid including a substation with one or more transformers able to increase or decrease the voltage supplied to consumers within the portion o...  
WO/2019/180277A1
A system for controlling power consumption on a portion of a distribution grid, the system including a data set including a previously measured power consumption associated with previously measured values of a property, the property bein...  
WO/2019/182174A1
According to a disclosed aspect, provided is a smart meter, a system including same, and a method for controlling the smart meter, wherein the smart meter actively requests renewable energy through a system according to an electricity bi...  
WO/2019/181076A1
A management device which is connected to an AC power line provided with a plurality of connection ports to which an electrical device equipped with a power storage means can be connected, the management device being equipped with: a mea...  
WO/2019/180275A1
A system for controlling voltage supply to a portion of a distribution grid including a substation providing a transformer operable to increase or decrease the voltage supplied to consumers within the portion of the grid, the voltage con...  
WO/2019/181093A1
This load estimation device measures the voltage and current which are supplied to a load connected to a power generator, calculates characteristics of the load from the measured voltage and current values, and estimates a plurality of l...  
WO/2019/180096A1
The present invention relates to a method and plant of operating a grid forming power supply plant based on both a renewable energy, such as based on wind energy, solar energy, hydro energy, wave energy, and a carbon based energy, such a...  
WO/2019/180901A1
This electric power conversion device (1) is characterized by being provided with: an electric power converter (2) which is connected to an electric storage device (91) for storing direct-current electric power, and which is capable of c...  
WO/2019/180429A1
A system for delivering electrical energy to a chargeable unit of an electrically powered object characterised by comprising: • at least one input line for delivering electricity from a grid and/or a source of renewable electrical ener...  
WO/2019/178642A1
An electrical power control apparatus, including : a magnetic core including at least three interconnected limbs defining a plurality of magnetic circuits, the at least three interconnected limbs including a first limb and second limbs; ...  
WO/2019/181084A1
The present invention provides an information providing device characterized by having: a reception means which receives, from a portable power supply device including a battery that accumulates power to be supplied to a detachably conne...  
WO/2019/180784A1
This uninterruptible power supply unit is provided with: a cooler (6) for dissipating heat from a converter (1) and an inverter (5); and a control device (8) which, when an output power (Po) of the inverter (5) has exceeded an upper limi...  
WO/2019/180865A1
Provided is an energy saving control device (10) including: a storage unit (15) which stores, for each energy saving control, an energy saving control list in which an execution condition is associated with an execution effect; a candida...  
WO/2019/178683A1
A power control device for controlling an electrical load. The system includes decision logic to implement a local response responsive to events currently occurring in a power grid. The power control device includes a user interface allo...  
WO/2019/178919A1
Disclosed is a micro-grid distributed controller design method based on linear quadratic optimization. The method comprises: step 10), building, based on droop control, a micro-grid small-signal model including an inverter-type distribut...  
WO/2019/178795A1
A method for operating a PV system (14) that is integrated into a power system (10) connected to a power grid (22) includes determining a voltage operating point for the PV system (14) based on a maximum power point tracking (MPPT) algor...  
WO/2019/182016A1
The present invention comprises: a supply information acquisition unit for acquiring a supplied power correlation quantity that is correlated with an amount of power supplied to the outside, i.e., an amount of power supplied to the outsi...  
WO/2019/181210A1
This power interchange device is provided with: a record information acquiring unit which, with respect to each of a plurality of first power supplier/demanders constituting a first community, acquires information about a record of power...  
WO/2019/180643A1
A method is provided for power limiting in a power inverter configured to produce an output voltage and having a voltage regulator with a voltage setpoint defined for no load on an external bus line. The method includes determining a pow...  
WO/2019/182038A1
The present invention is provided with: an electrical power control unit for controlling the transfer of electrical power between a power grid and a power storage device; an energy source manufacturing unit for manufacturing an energy so...  
WO/2019/181211A1
The present invention determines a condition for exchanging power between: (i) a first user who wants to exchange power in a first period prior to a second period, subject to the provision of power in the second period; and (ii) a second...  
WO/2019/180079A1
There is provided an electrical assembly (20) for interconnecting first and second networks (40). The electrical assembly (20) comprises a power transmission medium (36,38) and a converter (22), the power transmission medium (36,38) conf...  
WO/2019/177621A1
A method, system, and device for managing off-grid power supply are provided. The method includes acquiring data from one or more loads. The one or more loads are connected to the off-grid power supply. The method further includes modeli...  
WO/2019/175467A1
According to an aspect, there is provided a computer device configured to monitor control signals from more than one adjustment system indicating a need to adjust operation of at least one energy storage; convert the control signals into...  
WO/2019/174732A1
A voltage source converter (12) converts between AC and DC is connected between at least three DC terminals (DC1, DC2, DC3) and comprises three parallel AC phase modules each comprising an corresponding AC terminal (ACA1, ACB1, ACC3), wh...  
WO/2019/174892A1
The invention relates to a method and to a device for controlling a voltage of a power grid (3) by means of a reactive power device (9) connected to the power grid (3), the method comprising: determining a change over time (ΔV_vorher) o...  
WO/2019/174962A1
The invention relates to a storage device for storing electrical energy, particularly in domestic applications, comprising an energy storage device, more particularly a rechargeable battery, terminals for connecting the energy storage de...  
WO/2019/175788A1
An energy storage system (10) connectable to a power supply source (R) comprising: a storage assembly (30) for storing at least part of the power supplied by the power supply source (R) and comprising at least one electric charge storage...  

Matches 701 - 750 out of 49,356