67 results about "Energy plant" patented technology

A wind energy plant with a nacelle, a rotor, which features at least one rotor blade adjustable in its blade pitch angle, a central control device for controlling the wind energy plant and a control unit disposed in the rotor for controlling the blade pitch angle of the at least one rotor blade, wherein the central control device and the control unit in the rotor can exchange data with each other via a data link, which comprises at least one first sending and receiving device at the nacelle side and at least one second sending and receiving device at the rotor side, wherein a wireless network connection with a safety-oriented communication protocol is provided between the at least one first sending and receiving device and the at least one second sending and receiving device, and that one monitoring- and communication device at a time is associated to the first and / or the second sending and receiving device, which can monitor the function of the sending and receiving device and initiate a predetermined action in the case of an error.

The invention discloses a low-carbon energy system and method for coupling solid waste utilization of a coal-fired power plant. The system comprises a photovoltaic generator set, a wind generating set, an electric arc furnace, a biomass crusher, a biomass particle storage device, a coal-fired boiler system and the like. The method comprises the following steps of: providing electric energy for the electric arc furnace by utilizing redundant generating capacity of a photovoltaic generating set and a wind generating set; the fiber material prepared in the electric arc furnace, coal gangue and pulverized coal ash collected in the flue gas dust remover are jointly used as raw materials of the soil-like ecological restoration material, and preparation is performed in a soil-like preparation machine; energy plants which are resistant to drought and high in water and soil conservation capacity are planted under the photovoltaic generator set; the energy plants enter a biomass particle storage device to be stored after being subjected to the procedures of crushing, shaping and the like; the biomass particles are subjected to blending combustion in a coal-fired boiler system; flue gas generated after combustion of the coal-fired boiler system collects pulverized coal ash in a flue gas dust remover. The utilization rate of the coal-based solid waste is increased, and the application field of the coal-based solid waste is expanded.

A method for regulating voltage of electric power provided by an energy plant coupled to an electric power grid, the energy plant having at least one inverter-based resource ("IBR") coupled to the electric power grid via at least one inverter, the method comprising: using a control system communicatively coupled to an inverter of an IBR, implementing an automatic voltage regulator ("AVR") in the control system, the AVR having selectable control modes including a voltage control mode, a reactive power control mode, and a power factor control mode; receiving one or more command messages at the AVR for selecting a control mode; generating one or more command messages for controlling operations of the inverter; and, transmitting the one or more command messages for controlling operations of the inverter from the AVR to the inverter of the IBR for controlling operations of the inverter in accordance with the control mode selected.

The invention discloses a photovoltaic base biomass energy plant selection method and application thereof, and aims to solve the problem of land resource shortage in current thermal power plant energy transformation and renewable energy utilization based on the condition of combination of photovoltaic power generation vegetation lacking and energy plant planting. The feasibility of ecological restoration and biomass energy plant production by planting energy plants in a photovoltaic base is researched, a model plant screening standard is established by indexes such as strong stress resistance, drought tolerance, shade tolerance, carbon content and cellulose content, and the growth performance, self population update and influence of perennial energy plants on the photovoltaic base are investigated. The interaction mechanism between the photovoltaic base and crops is analyzed, the improvement effect of different planting modes on the land production efficiency is analyzed, the growth effect of different plants is evaluated, the optimal configuration scheme of energy plants planted in the photovoltaic base is determined, and an efficient photovoltaic-agricultural comprehensive utilization mode is constructed. The double improvement of economic benefits and ecological benefits is realized.

Floating wind energy plant with a floating foundation (10) and a tower (20) arranged on the floating foundation (10) with at least one energy conversion unit having a rotor arranged on the tower (20), wherein the floating foundation (10) has a plurality of arms (40, 50, 60) extending from a central element (30) which are braced to the central element (30) by means of a plurality of tensioning elements, characterized in that the central element (30) is clamped between at least two of the plurality of arms (40, 50, 60) by means of at least one tensioning element connecting these two arms (40, 50, 60).

A portable human performance, renewable clean energy generator and pollution control system, with devices and associated methods to create mechanisms, paralleling organic flower plants for users to quickly harness it to improve their human performance. Knowing what mechanisms in a system should not operate at what times is crucial to force multiplying limited resource inputs. A tipping points arbitrage predictive model method leverages all mechanisms' operations toward specific needs of users, bending supply to meet demand, reducing waste and increasing output, whether in energy or human performance. Especially for disasters, when electricity is less reliable and portable generators are often used yet emit dangerous levels of carbon emissions, and even at low levels reduce human performance. This invention harnesses primarily heat, not fossil fuels. Synergistically, chemicals used for human performance provide heat, helping reach advantageous renewable energy tipping points, while reducing risk of adversely exceeding human performance tipping points.

A system for generating power with reduced or negative carbon emissions. The system includes a power plant portion having a power generation unit having an input coupled to a supply of a hydrocarbon fuel and having an energy exchange pathway. The system also includes a direct air capture (DAC) portion having a CO2 adsorption device having a CO2 adsorption material and a blower electrically coupled to the power generation unit, the blower directing a flow of air through the CO2 adsorption device in a carbon capture mode, wherein the CO2 adsorption device is coupled to and in energy communication with the energy exchange pathway for releasing adsorbed CO2 in a carbon release mode.

The invention discloses a flue gas denitration and ammonia removal device and process for a garbage power plant, and relates to the technical field of flue gas treatment.The flue gas denitration and ammonia removal device comprises a purification tower, a flow guide plate capable of vertically sliding in the height direction of the purification tower is arranged in the purification tower, the flow guide plate is arranged in a spiral shape, and the flow guide plate is connected with a plurality of storage boxes; the multiple storage boxes are distributed at equal intervals in the path direction of the flow guide plate, and the bottom of the flow guide plate is connected with a connecting filter plate; flue gas is uniformly dispersed through the gas inlet holes in the circumferential array of the plugging plate and then spirally ascends along the spiral guide plate, so that the retention time is prolonged, and meanwhile, the flue gas is in full contact with the spherical ammonia removal agent small balls in the storage box. The guide plate can vertically slide in a reciprocating manner to drive the storage box to vibrate, so that the small balls shake off surface residues due to inertial collision, a single reaction surface is avoided, meanwhile, flue gas in a spiral path is disturbed, and compared with a conical blind area of traditional single-point injection, the mixing uniformity of ammonia gas and a removal agent can be better improved.

This invention discloses a multi-source coordinated voltage control method and system for new energy power plants. The new energy power plant includes an SVG device, an energy storage device, and a new energy power generation device. The voltage control method includes the following steps: obtaining the PCC point voltage value of the new energy power plant; when the PCC point voltage value is lower than a preset voltage threshold, sequentially adjusting the output power of the SVG device, the energy storage device, and the new energy power generation device to bring the PCC point voltage value up to the preset voltage threshold. By performing multi-source coordinated voltage control on the new energy power plant, and sequentially adjusting the SVG device, the energy storage device, and the new energy power generation device, the PCC point voltage of the new energy power plant is precisely controlled. Based on the principle of optimal output and fully utilizing the reactive power regulation capabilities of each device, the system stability and adaptability are improved, ensuring the stable operation of the new energy power plant.

A method for planning repowering of a wind energy plant is disclosed. The wind energy plant is positioned at a site and comprises a plurality of original wind turbines arranged at distributed positions within the site. Historical data related to the original wind turbines is retrieved. The historical data is collected over a previous time period and during operation of the original wind turbines. Meteorological conditions at the site of the wind energy plant are estimated based on the retrieved historical data. The repowering of the wind energy plant is planned based on the estimated meteorological data, including planning replacement of the original wind turbines by replacement wind turbines to be positioned at the positions of the original wind turbines.

The invention relates to a multi-terminal arc suppression coil cooperative control method based on neutral point flexible grounding, and the method comprises the steps: a control host sends a compensation amount to a grounding transformer arc suppression coil host, and a control slave sends the compensation amount to each grounding transformer arc suppression coil slave; fault detection and phase selection; closed-loop control based on voltage; fault judgment: if the zero-sequence voltage of the system is reduced, judging that the fault is a single-phase instantaneous grounding fault; and if the zero sequence voltage of the system still exceeds 20% of the phase voltage after the injection of the neutral point current is stopped, determining that the fault is a permanent fault. A hierarchical cooperative control architecture is adopted, a master-slave mode is adopted, a control host of an arc suppression coil of a system substation serves as a master controller, a control slave of an arc suppression coil of a new energy plant station serves as slave equipment, and network plant arc suppression coil cooperative compensation is achieved through an optical fiber communication network; accurate supplement is carried out on the arc suppression coil, power frequency and active components are fully compensated, and 100% arc suppression is realized; the current injected into the neutral point of the flexible grounding device is dynamically adjusted, and the inductive and capacitive modes are automatically switched.

The utility model relates to the field of waste power plant shock wave injection equipment, and discloses waste power plant shock wave injection equipment wall bushing sealing equipment, which comprises a boiler wall and a sealing pipe group, the sealing pipe group is welded in the boiler wall, the input end of the sealing pipe group is connected with an injection pipe, the injection pipe is connected to a connecting pipe, and the connecting pipe is connected with the boiler wall. And the connecting pipe is mounted at the bottom end of the shock wave injection device. According to the wall bushing sealing equipment for the shock wave injection equipment of the garbage power plant, the fixing plate is arranged, the shock wave injection device is installed on the outer wall of a boiler wall, during daily maintenance, a fixing bolt fixed to the fixing plate can be detached firstly, and a push rod is pushed inwards along a wall penetrating hole, so that a connecting base of an injection head is disengaged from a sealing pipe set; the operation can open one end of the sealing pipe set, cleaning personnel can dredge the interior of the sealing pipe set through a cleaning tool without entering the boiler, maintenance work can be completed without dismantling all the injection devices, and the problem that blockage is difficult to dismantle and clean is effectively solved.

A system for generating electricity with reduced or negative carbon emissions. The system includes a power plant section having an electricity generating unit having an input coupled to a hydrocarbon fuel supply and an energy exchange path. The system also includes a direct air capture (DAC) section having a CO2 adsorption device having a CO2 adsorbent material and a ventilator electrically coupled to the electricity generating unit, the ventilator directing air flow through the CO2 adsorption device in a carbon capture mode, wherein the CO2 adsorption device is coupled to and in energy communication with the energy exchange path for releasing adsorbed CO2 in a carbon release mode.

The invention provides a black light factory control method, device and equipment of a waste incineration power plant, and relates to the technical field of industrial automation. The method comprises the steps of obtaining economic parameters and operation data of the waste incineration power plant; the current operation state of the waste incineration power plant is determined; under the condition that the current operation state of the waste incineration power plant is a waste quantity supply stable state, the waste incineration power plant is controlled to operate by taking the highest power generation income of the waste incineration power plant as a target based on the economic parameters and the operation data; and under the condition that the current operation state of the waste incineration power plant is a waste quantity surge state, the waste incineration power plant is controlled to operate with the maximum waste treatment capacity of the waste incineration power plant as the target based on the economic parameters and the operation data. By adopting the method, intelligence and unmanned operation can be improved, and the control efficiency is improved.

The invention discloses a hydrogen concentration real-time monitoring and early warning intelligent network connection system for a hydrogen energy plant, and belongs to the technical field of intelligent network connection and industrial safety monitoring. The system comprises a hydrogen concentration sensor, an analog quantity collector, a wireless communication device and an intelligent network connection platform; the hydrogen concentration sensor is used for detecting the hydrogen concentration in the plant in real time and transmitting the hydrogen concentration to the analog quantity collector; the analog quantity collector is used for receiving hydrogen concentration data detected by the hydrogen concentration sensor in real time, converting the hydrogen concentration data into digital signals and transmitting the digital signals to the wireless communication device; the wireless communication device is used for transmitting the position information of the wireless communication device and the received hydrogen concentration data to the intelligent network connection platform; and the intelligent network connection platform is used for carrying out real-time analysis and early warning on the received hydrogen concentration data. The invention aims to realize real-time detection, accurate positioning and rapid response of hydrogen leakage, so that the safety prevention and control capability of the hydrogen energy plant is comprehensively improved.

The utility model discloses a baking soda dry-method deacidification reaction device which comprises a waste heat boiler, a smoke outlet of the waste heat boiler is connected with a first reaction kettle through a first Venturi tube, the first reaction kettle is connected with a plurality of reaction kettles in series through a Venturi tube, and a smoke outlet of the last reaction kettle is connected with a deacidification tower through a pipeline. A discharging opening in the bottom of the reaction kettle is connected with a material collecting pipe, an air inlet of the material collecting pipe is provided with a fan, a discharging opening of the material collecting pipe is connected with the side wall of the first Venturi pipe, a baking soda nozzle is arranged in the first Venturi pipe, the nozzle faces the first reaction kettle, and the baking soda nozzle is connected with a baking soda spraying device through a pipeline. The device disclosed by the utility model is suitable for different working conditions of different power plants, can be independently used, can also be combined with a semi-dry method for use without influencing the efficiency of baking soda dry-method deacidification, and is not limited by items of garbage blending combustion or large concentrated water absorption amount; the method is of great significance in upgrading and reconstruction of garbage power plants, coping with increasingly strict emission standards, and making pollution-reducing and carbon-reducing synergistic interaction.

A method for planning repowering of a wind energy plant is disclosed. The wind energy plant is positioned at a site and comprises a plurality of original wind turbines arranged at distributed positions within the site. Historical data related to the original wind turbines is retrieved. The historical data is collected over a previous time period and during operation of the original wind turbines. Meteorological conditions at the site of the wind energy plant are estimated based on the retrieved historical data. The repowering of the wind energy plant is planned based on the estimated meteorological data, including planning replacement of the original wind turbines by replacement wind turbines to be positioned at the positions of the original wind turbines.

The invention belongs to the technical field of permanent and temporary combination construction, and particularly relates to a new energy plant permanent and temporary combination construction method which comprises the following steps: step 1, laying and compacting a soil foundation: adopting a layered backfilling and layer-by-layer compacting method, strictly controlling the thickness and the compaction degree of backfill soil of each layer, fully rolling by using a heavy road roller, and paving and compacting the soil foundation; the permanent and temporary combined construction method for the new energy plant area has the advantages that by arranging the heavy road roller, compactness and stability of a soil foundation can be guaranteed, maximum utilization of resources is achieved by adding a necessary reinforcing layer or adjusting compaction parameters, and the construction efficiency is improved. By means of reserved connectors and reinforcement measures, a permanent road surface with a higher standard can be conveniently and easily switched to in the future, quick response can be ensured in emergency by checking effectiveness of fire-fighting equipment, the processing cost can be greatly reduced by utilizing waste, and meanwhile, the environment can be effectively protected.

The invention relates to a method for installing a segmented generator of a wind turbine, comprising the following steps: providing a tower; providing a machine carrier; and lifting and positioning the machine carrier at the upper end of the tower such that the machine carrier can be rotatably coupled with the tower via the tower bearing; pre-fixing the machine carrier on the tower such that the machine carrier is rotatably supported relative to the tower by means of a tower bearing; providing a generator section, wherein the stator section and the rotor section are connected to each other; lifting and positioning a generator section from the transport position into the installation position; pre-fixing the generator section to the machine carrier flange; lifting and positioning at least one further generator section from the transport position into a further installation position such that the generator section can be connected to the generator section positioned in the further installation position; providing a main bearing and a hub; lifting and positioning the main bearing; and fastening the shaft flange to the machine carrier flange.

Systems and methods for controlling building equipment include simulating operation of the building equipment at a plurality of initial points to generate corresponding values of a first control objective and a second control objective that competes with the first control objective, automatically generating a new point at which to run a new simulation based on the plurality of initial points and the corresponding values of the control objectives, running the new simulation at the new point to generate corresponding values of the control objectives, classifying a subset of the plurality of initial points and the new point as Pareto-optimal points based on the corresponding values of the control objectives, and operating the building equipment at a Pareto-optimal point selected from the subset of the plurality of initial points and the new point classified as Pareto-optimal points.

A method for controlling an electricity distribution grid having a nominal grid voltage, in particular in a critical grid situation, wherein a grid control center is provided for controlling the electricity distribution grid and the electricity distribution grid has at least one control region that comprises a plurality of mutually geographically separate wind farms, comprising the steps of: querying power outputs available from the wind farms, in particular on the basis of a weather forecast; defining a control node within the control region, in particular on the basis of the queried available power out-puts, preferably performed by the grid operator; combining a number of wind farms at the calculated control node to form a wind power plant on the basis of the queried available power outputs and / or a probability distribution of the available power output; controlling the wind power plant, in particular through the grid control center, by way of a wind power plant control unit, such that a required voltage quality and / or frequency stability and / or uninterrupted availability is provided in the control region.

The invention discloses a multi-source cooperative voltage control method and system for a new energy plant station, the new energy plant station comprises SVG equipment, an energy storage device and a new energy power generation device, and the voltage control method comprises the following steps: obtaining a PCC point voltage value of the new energy plant station; and when the voltage value of the PCC point is lower than the preset voltage threshold value, the output power of the SVG equipment, the energy storage device and the new energy power generation device is sequentially adjusted, so that the voltage value of the PCC point reaches the preset voltage threshold value. Multi-source cooperative voltage control is carried out on the new energy plant station, the SVG equipment, the energy storage device and the new energy power generation device are sequentially adjusted, the PCC point voltage of the new energy plant station is accurately regulated and controlled, the reactive power regulation capability of each equipment is fully exerted based on the output optimal principle, the stability and adaptability of the system are improved, and stable operation of the new energy plant station is guaranteed.

A system for generating electricity with reduced or negative carbon emissions. The system includes a power plant section having an electricity generating unit having an input coupled to a hydrocarbon fuel supply and an energy exchange path. The system also includes a direct air capture (DAC) section having a CO2 adsorption device having a CO2 adsorbent material and a ventilator electrically coupled to the electricity generating unit, the ventilator directing air flow through the CO2 adsorption device in a carbon capture mode, wherein the CO2 adsorption device is coupled to and in energy communication with the energy exchange path for releasing adsorbed CO2 in a carbon release mode.