7results about How to "Reduce load fluctuations" patented technology

The utility model discloses a total moisture testing system which comprises a transfer module, a division module, a drying oven weighing module, a rejected sample recycling module, a sample bottle receiving, sending and storing module and a control assembly, the division module is used for dividing a sample in a sample bottle into a test sample and a prepared sample, loading the test sample into a tray, and loading the prepared sample into a bottle; the oven weighing module is used for temporarily storing a sample tray and drying and weighing the sample tray filled with a test sample, and the test sample subjected to constant weight treatment is changed into a rejected sample; the discarded sample recovery module is used for recovering discarded samples and cleaning sample plates; the sample bottle receiving, sending and storing module is used for receiving, sending and storing sample bottles filled with original samples and prepared samples; the transfer module is used for transferring the sample bottles and the sample trays among the stations; the control assembly is used for controlling all the modules to work. The total moisture testing system disclosed by the utility model has the advantages of high automation degree, high testing efficiency, convenience in sample preparation and high testing accuracy.

The invention discloses a community electric vehicle ordered charging method and system based on an intelligent alternating current charging pile, and belongs to the technical field of electric vehicle ordered charging. Receiving a charging demand of a community electric vehicle user, and feeding back a charging condition to the user; formulating an ordered charging strategy based on the load condition of the power distribution network and the charging demand of the community electric vehicle user; and the battery state of the community electric vehicle is monitored in real time, whether the battery state is in a set range or not is judged, if yes, whether waiting community electric vehicles exist or not is monitored in real time, if yes, a charging strategy is returned to be formulated, and if not, an ordered charging strategy is executed. Guiding is carried out through an intelligent charging technology mode, the peak-valley difference is reduced, load fluctuation is reduced, in addition, the service life of a battery is prolonged through the real-time monitoring function of the intelligent alternating current charging pile, and the over-charging and over-discharging phenomena are prevented.

This invention relates to the technical field of steam turbine control, and particularly to a monitoring and energy regulation method for a steam turbine speed control system based on hydraulic servo state quantity fusion. The method includes: segmenting the system based on the sequential relationship between the hydraulic actuator pressure state and the valve displacement state to form a hysteresis loop segment index, facilitating the location of hysteresis; generating hydraulic hysteresis state tags by comparing the hysteresis loop segment index with a reference hysteresis loop index to distinguish abnormal types such as start-up hysteresis, servo jamming, position leakage, and return friction; further generating energy regulation quantities by combining the power response position after valve displacement, allowing the hysteresis identification results to be directly converted into opening limit, valve position holding, or load correction; and finally, adjusting the valve opening command or unit load command by the steam turbine speed controller to reduce load fluctuations and valve over-adjustment caused by hydraulic hysteresis, thereby improving speed regulation stability.

The present application relates to a reversible solid oxide battery energy storage system, SOFC is H-SOFC with NH3 as energy storage medium to define power generation mode, SOEC is H-SOEC with NH3 as energy storage medium to define electrolysis mode; Power generation and electrolysis are coupled with a molten salt heat storage device to realize the heat neutrality of the system, and a self-circulating gas closed loop system supplies NH3 to H-SOFC and supplies H2 and N2 to H-SOEC through the recycling of hydrogen ammonia conversion. According to the reversible solid oxide battery energy storage method of the present application, in the power consumption peak, the power generation mode is enabled through H-SOFC; in the power consumption valley, the electrolysis mode is enabled through H-SOEC. According to the reversible solid oxide battery energy storage system and method of the present application, the decomposition and synthesis of NH3 are interrelated and converted with the change of chemical energy and electrical energy, and the effective storage of electrical energy is realized; at the same time, the heat storage device of molten salt is used to realize the storage of heat energy and achieve heat neutrality.

The utility model discloses a hot water type coating waste gas waste heat recycling device and environmental protection heating system, including waste gas intake pipe, waste gas outlet pipe, heat pump unit, heat preservation water tank, first circulating water pump, second circulating water pump and phase change heat storage tank, and heat pump unit includes waste heat heat exchanger, the upper end of heat preservation water tank is equipped with water inlet pipe and heating pipe, and the lower end of heat preservation water tank is equipped with first water outlet pipe, second water outlet pipe, first return pipe and second return pipe, heat pump unit, water inlet pipe, heat preservation water tank, first water outlet pipe, first circulating water pump head -tail connection to form first heating cycle system, and second water outlet pipe, second circulating water pump, phase change heat storage tank, second return pipe head -tail connection to form phase change heat storage system. The above -mentioned device is coupled through heat pump unit, heat preservation water tank, phase change heat storage tank and other equipment, and the load fluctuation is buffered, and the host computer frequent start is reduced, realizes the high -quality utilization of waste heat, solves the energy waste and environmental pollution problem in traditional craft.

The utility model discloses a flattening device for total moisture test, which comprises a flattening mechanism, the flattening mechanism comprises a mounting seat, an elastic piece and a scraper assembly arranged on the mounting seat, and the elastic piece is arranged on the mounting seat and is used for buffering load generated by contact between the scraper assembly and a sample in a sample plate. The flattening device for the total moisture test has the advantages of being good in stability, high in flattening efficiency and good in flattening effect.

This invention relates to the field of power generation technology, and particularly to a methanol range extender parallel power generation system and control method based on dynamic master-slave coordination. The system includes several methanol range extenders, an energy storage device, a conversion device, a comprehensive management device, a remote load monitoring device, and an environmental monitoring device connected in parallel. The comprehensive management device regulates the methanol range extenders, energy storage device, and conversion device based on data from the methanol range extenders, energy storage device, remote load monitoring device, and environmental monitoring device, realizing coupled power generation between the methanol range extenders and energy storage device. A method based on the above system is also disclosed. Employing the aforementioned methanol range extender parallel power generation system and control method based on dynamic master-slave coordination, the system achieves efficient coordination of multiple methanol range extenders through the coupled operation of multiple methanol range extenders and energy storage device, and adjusts the operation according to the actual operating environment, while avoiding the lifespan degradation caused by long-term high-load operation of a single unit.