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Matches 1 - 50 out of 44,151

Document Document Title
WO/2018/108277A1
Method for detecting an islanding condition of a grid connected energy conversion system and related DC/AC converter apparatus adapted to optimize performance in terms of preservation of the power quality, provide synchronized frequency ...  
WO/2018/111368A1
Examples of techniques for configuring and parameterizing an energy control system are disclosed. In one example implementation according to aspects of the present disclosure, a computer-implemented method includes receiving, by a proces...  
WO/2018/108997A1
The invention relates to an apparatus for centrally coordinated reactive power production and control in electrical low-voltage networks. This is a combination of a power supply device for electric vehicles and a remotely controllable re...  
WO/2018/111290A1
A wind farm is presented. The wind farm includes a plurality of wind turbine stations, where each wind turbine station includes a wind turbine and a generator sub-system. The generator sub-system includes a doubly-fed induction generator...  
WO/2018/110082A1
Provided is a power system status estimation device capable of increasing the likelihood that status estimation calculations converge. Thus, a power system status estimation device 1 is equipped with: a measured value selection unit 102 ...  
WO/2018/109528A1
The methods and systems are provided to adaptively change power threshold at a policy based power supply device (PBPSD). The PBPSD (101) retrieves a first power policy and determines a power threshold substantially based on the first pow...  
WO/2018/112481A1
An active anti-islanding architecture where a power converter injects a current component at a harmonic of the fundamental power frequency is injected with a phase sequence opposite to that which normally be present with that harmonic. (...  
WO/2018/108481A1
The invention concerns the control of electrical production by a facility of photovoltaic panels in order to constitute a power reserve, facility in which N inverters manage the production. A method is iteratively performed including the...  
WO/2018/111977A1
The selection of electrical power supplied to a load, between a first power source such as the electric utility grid, and a second power source such as a solar-charged battery-inverter system, is made at the granularity of individual ele...  
WO/2018/107775A1
Disclosed are a control method and device for a wind farm, and a wind power generation system. The method comprises: detecting the voltage and current of a grid connection point of a wind farm, and calculating the reactive power of the g...  
WO/2018/112167A1
The present disclosure relates generally to power collection systems. In some power collection systems, such as a power collection system for a large solar panel array, the voltage of the collected power must be increased to medium volta...  
WO/2018/109805A1
A harmonic current compensation device is connected in parallel with a load connected to a system power supply and supplies a compensation current to suppress harmonic components included in load current input to the load from the system...  
WO/2018/109827A1
Provided are a power conversion device and a solar power generation system capable of controlling the charging and discharging of an electricity storage device without performing data exchange between power conditioners in order to equal...  
WO/2018/103294A1
Provided in the present invention are an electric reactive power optimization system and method based on a double fish-swarm algorithm. The system comprises: a grid status acquisition module, a grid reactive power regulation module, and ...  
WO/2018/106014A1
A method for operating an ESS at optimal efficiency according to the present invention may comprise the steps of: collecting charge/discharge efficiency data of a PCS; collecting charge/discharge efficiency data according to the current ...  
WO/2018/103230A1
A new energy micro-grid electric vehicle charging station, comprising at least a new energy micro-grid electric vehicle charging station unit module, comprising a power transformation and distribution module, an energy storage module, a ...  
WO/2018/105154A1
The present invention provides a power management device (10) comprising: a request acquisition unit (12) which acquires a power consumption request specifying an amount of power to be consumed, a time period during which the amount of p...  
WO/2018/103251A1
Provided are a control device and control method for a direct-current micro-grid, and a direct-current micro-grid system. The control device for a direct-current micro-grid comprises: a detection module (100) for detecting a voltage chan...  
WO/2018/107065A1
A multi-source energy storage system (ESS) includes a master controller and a plurality of ESSs. A first ESS includes an ESS controller and a plurality of micro-ESSs. A first micro-ESS includes a plurality of nano-ESSs, a micro-ESS contr...  
WO/2018/103232A1
Disclosed is a control method for a new energy micro-grid electric vehicle charging station, for use in active power control operation in a networked mode: detecting operating parameters; determining whether the load power capacity detec...  
WO/2018/104095A1
Apparatus and methods for determining an inertia characteristic of a synchronous area of an electric power grid are described. First data is determined. The first data represents a signal comprising a first variation in the grid frequenc...  
WO/2018/104849A1
A smart socket for monitoring electric operating parameters of a load in an electric power network. The socket comprises at least one voltage sensor and one current sensor interfaced with a control unit configured to read the electric ma...  
WO/2018/103800A1
A wind power plant system comprising: a plurality of wind turbine generators each having a corresponding generator controller, and a power plant controller for controlling the power generated by the wind power plant system;wherein at lea...  
WO/2018/103317A1
A universal power flow calculation method for a power system comprising a unified power flow controller (UPFC). Under the premise that the control target of the UPFC is satisfied, the method combines the power injection model with the Ne...  
WO/2018/105737A1
A device with a built-in active filter has the built-in active filter device (4) and is connected to an AC power supply (3), wherein the active filter device (4) is configured so as to operate on the basis of a detection value detected b...  
WO/2018/105989A1
A microgrid system, which is provided with a plurality of decentralized power sources, a plurality of decentralized subordinates, and paths connecting the decentralized power sources and subordinates, according to the present invention m...  
WO/2018/105990A1
A microgrid system according to the present invention is provided with: a plurality of decentralized power sources; a plurality of decentralized subordinates; paths connecting the decentralized power sources and subordinates; and a contr...  
WO/2018/105991A1
The present invention provides a method for analyzing power devices in a circuit by using a non-invasive technique, wherein a power analysis apparatus: analyzes information on power supplied to the circuit, so as to acquire information o...  
WO/2018/101363A1
The present invention can suppress an increase in cost and estimate a change-over-time of a facility with practical accuracy. The present invention extracts a time period of an analysis target from time series data of a signal about an o...  
WO/2018/099555A1
The present invention relates to an interphase power controller (IPC) device. The IPC device comprises three first side phase line connection points a-c and three second side phase line connection points a-c. A first varistor (VarA) conn...  
WO/2018/102415A1
In an electrical distribution system for a facility served by two power sources, ground currents on neutral conductors are avoided by utilizing a common neutral conductor in distributing power from both power sources to one or more trans...  
WO/2018/098672A1
A unified power flow controller and a control method therefor. One side of a direct current converter is connected to a direct current line of a high-voltage direct current converter station or a transformer substation, the other side is...  
WO/2018/099626A1
The invention relates to a method for controlling a power value of an offshore wind energy system (30), comprising: providing a power setpoint value, wherein the power setpoint value is a power-factor setpoint value and/or a reactive-pow...  
WO/2018/100398A1
Apparatus for use in a microgrid, which comprises a DC bus with at least one DC power source connected thereto, an AC bus connected to a mains power grid that supplies the microgrid, and a DC/AC converter coupling the DC bus and the AC b...  
WO/2018/099923A1
Methods, computer software and apparatus for use in an electric power grid are described. Measurement data is received intermittently or continuously from a plurality of measurement units, indicating values of at least one measured chara...  
WO/2018/100825A1
The purpose of the present invention is to enable appropriate control in the control of a power system which requires time to calculate predictions. Provided is a power system control device that generates power system control data for a...  
WO/2018/099378A1
The invention relates to the field of power supplies, and specifically, to a modular uninterruptible power supply (UPS) and an operation method thereof. The embodiments of the invention are implemented to fully utilize power modules (1, ...  
WO/2018/100824A1
[Problem] To provide an information processing device and information processing method capable of accumulating indirect resource-conservation actions and preferentially providing, to a user, resources in accordance with the accumulation...  
WO/2018/099921A1
Methods, and apparatus for determining a characteristic of an inertial contribution to an electrical power grid are described. A change in inertia in the electrical power grid based on one or more inertia measurements performed in a firs...  
WO/2018/098673A1
A bipolar VSC-HVDC and UPFC hybrid topology structure and an operating method therefor, wherein a first control circuit comprises a serial side positive electrode circuit and a serial side negative electrode circuit, and VSC converters i...  
WO/2018/100125A1
The invention relates to a method for rebuilding an electric supply grid of a grid operator by means of at least one wind turbine. The electric supply grid has a first grid section and at least one additional grid section, and the first ...  
WO/2018/095508A1
The invention relates to a converter arrangement (1) comprising a converter (2) which can be switched between an AC voltage supply system and a DC voltage circuit and which has converter valves that extend between AC voltage connections ...  
WO/2018/095552A1
The invention relates to a power converter (1) comprising a plurality of modules (1_1... 6_n), each of which includes at least two electronic switching elements (202, 206) and an electric energy store (210). The energy store is a liquid-...  
WO/2018/096028A1
The invention relates to a method for controlling a generator of electrical energy connected to a grid connection point of an electrical supply grid, comprising the following steps: regularly feeding electrical reactive power and electri...  
WO/2018/096030A1
The invention relates to a method for supplying electrical power to an electrical supply network by means of at least one wind turbine at a network connection point, wherein the at least one wind turbine comprises an aerodynamic rotor wi...  
WO/2018/095405A1
Provided is an on-line input and quit control method for a voltage-source converter unit. The method achieves the on-line input of a voltage-source converter unit by means of performing steps, such as charging control, unlocking transfer...  
WO/2018/098486A1
An alternative energy bypass breaker device includes an inner pair of circuit breakers configured to function as a double pole breaker and an outer pair of circuit breakers configured to function as a double pole breaker. The breaker dev...  
WO/2018/095659A1
The invention relates to a method for regulating an output current (i, iu, iv, iw) of a converter (1) comprising a DC voltage intermediate circuit (Z) and a semiconductor switch (17) in a bridge circuit for converting a DC voltage (Uz) o...  
WO/2018/095123A1
A method and an apparatus for determining the distributed power supply capacity to be accessed by a feed line of a power distribution network, and a storage medium, the method comprising: determining feed line loss on the basis of load i...  
WO/2018/096218A1
A dual actuated power pack (300) comprises a battery (104) and first (101) and second (102) electric motors, as well as a power generator (103). The first electric motor (101) is powered by the battery (104) and the second electric motor...  

Matches 1 - 50 out of 44,151