Disclosed is a method of cooperatively controlling power based on power sensitivity that is executed by at least one processor including obtaining a first power sensitivity parameter based on a power generation change amount of a distribution grid to a magnitude change amount of an arbitrary load, receiving a feasible operation region (FOR) of the distribution grid from a distribution grid operator corresponding to the distribution grid including a plurality of generators, determining final reference power of the distribution grid based on the first power sensitivity parameter and the FOR, and transmitting the final reference power to the distribution grid operator.

This invention relates to a device for controlling at least one of a plurality of electrical loads that are being supplied by at least one renewable energy generator and/or an electrical mains supply. The device comprises an energy sensor for measuring an energy parameter, wherein the energy parameter equates to a value representative of the amount of energy output by the energy sensor, the energy parameter of the energy sensor being directly proportional to the output of the at least one renewable energy generator; a controller means for determining the amount of electrical loads that can be connected or disconnected on the basis of the measured energy parameter; a switching device for connecting and disconnecting the at least one electrical load based on an output of the controller means; and wherein as the energy parameter varies the output of the controller means varies to connect and disconnect electrical loads.

Aspects of the present invention relate to a data collection system for a renewable energy power plant comprising a plurality of renewable energy generators. The system comprises a temporary data store in communication with the generators. The temporary data store is configured to: receive a stream of data from at least two of the generators; and temporarily store the received data. The system comprises a permanent data store for storing data for subsequent analysis. The system comprises a processor in communication with the temporary and permanent data stores and a plurality of trigger sources. The processor is configured to, in response to receiving a trigger signal from one of the plurality of trigger sources, cause temporarily-stored data from the temporary data store to be stored in the permanent data store.

A computer-implemented method may include analyzing a resource site based on a plurality of data inputs associated with operation of the resource site. The method may include predicting availability of power for the resource site from a renewable power generation source based on data from the data inputs and determining an operational target for the resource site for a determined future time period, where the operational target may include a power consumption target determined based on the predicted availability of power for the resource site from a renewable power generation source during the determined future time period. The computer-implemented method may further include performing real-time controls of power consumption at the resource site to meet the determined power consumption target for the determined future time period, where the real-time controls may include at least temporarily curtailing or modifying power usage of the resource site during the determined future time period.

The present disclosure relates to a system 1000 for continuous, demand-based energy supply of a building 2000, comprising: a first energy supply module 100 for providing an amount of energy of a first form of energy, a first energy converter module 200, which has a first, primary load-dependent energy converter 210 for primary load-dependent conversion of a part of the provided amount of energy of the first form of energy into a second form of energy that is different from the first form of energy, and a first energy storage 220/230 for storing an amount of energy of the second form of energy, a consumer module 600/800 that has at least one consumer of the building 2000 for consuming a demand-dependent amount of energy of the first form of energy and/or a demand-dependent amount of energy of the second form of energy, and a control unit 900 for controlling the modules of the system 1000, the system 1000 further comprising a second energy converter module 300 which has a second energy converter 310 for converting another part of the amount of energy of the first form of energy into a third form of energy different from the first and second forms of energy, wherein in the conversion of the other part of the amount of energy of the first form of energy into the third form of energy, at the same time a part of the other part of the amount of energy of the first form of energy is converted into the second form of energy, a second energy storage 320 for storing the amount of energy of the third form of energy, and a third energy converter 330/340 for converting a stored amount of energy of the third form of energy into the first form of energy, wherein when converting the stored amount of energy of the third form of energy into the first form of energy, a part of the amount of energy of the third form of energy is simultaneously converted into the second form of energy.

Provided includes: a wave energy power generation device; a flywheel energy storage device; a flywheel state-of-charge calculation module; and an energy management module, and when the wave energy power generation device is in the power generation cycle, the power of the electric energy does not meet the grid power specification of the power grid, and the flywheel energy storage device is in an energy-available state, and when the wave energy power generation device is not in the power generation cycle and the flywheel energy storage device When in this energy-available state, the flywheel energy storage device can be controlled to release the flywheel rotational kinetic energy to compensate for the output power to achieve stable power supply to the power grid.

The present invention discloses a first apparatus (100) for: determining a balance (B) of electrical energy during a predetermined time interval, cryptographically signing the balance (B) with a secret key; storing the signed balance (B) in a report (R) associated with the predetermined time interval.

An energy storage system converts variable renewable electricity (VRE) to continuous heat at over 1000 C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. An array of bricks incorporating internal radiation cavities is directly heated by thermal radiation. The cavities facilitate rapid, uniform heating via reradiation. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. Gas flows through structured pathways within the array, delivering heat which may be used for processes including calcination, hydrogen electrolysis, steam generation, and thermal power generation and cogeneration. Groups of thermal storage arrays may be controlled and operated at high temperatures without thermal runaway via deep-discharge sequencing. Forecast-based control enables continuous, year-round heat supply using current and advance information of weather and VRE availability. High-voltage DC power conversion and distribution circuitry improves the efficiency of VRE power transfer into the system.

Provided are a frequency modulation method, device and system based on a new energy support machine and an energy storage device, and a new energy field station. The method includes: acquiring a system frequency offset value; determining a frequency modulation scheme for the new energy support machine and/or the energy storage device according to the system frequency offset value; generating a frequency modulation instruction for the new energy support machine and/or the energy storage device according to the frequency modulation scheme, so that the new energy support machine and/or the energy storage device execute a corresponding frequency modulation instruction and modulate the system frequency. The method has high regularity, flexibility in rule adjustment and good real-time performance. When the system frequency of a power grid fluctuates, a new energy support machine with higher durability is selected to support the power grid. The electrochemical energy storage device with poorer durability is selected to support the power grid only when the frequency fluctuation of the system is excessive, thereby reducing the number of times the energy storage device is used, realizing the safe operation of the energy storage device, and improving the use safety of the energy storage device.

A system for dynamic rating of a power grid may include a plurality of terminal units, and a controller. The terminal units may detect a voltage phasor and a current phasor at nodes of the power grid. The controller may, based on the voltage phasors and the current phasors of the plurality of nodes, determine a dynamic thermal stability power rating for each line, a dynamic angular stability power rating for each node, and a dynamic voltage stability power rating for each node. The controller may, based on the dynamic thermal stability power rating, the dynamic angular stability power rating, and the dynamic voltage stability power rating, determine a dynamic system rating for the power grid. The controller may control the power grid in response to the dynamic system rating.