14results about How to "Reduce peak load" patented technology

The application discloses a cement raw material mill equipment production scheduling optimization method, and steps include: using the historical mill time and power data of the raw material mill in the database, the working conditions of the raw material mill are divided into three kinds of working conditions through the clustering analysis method, and the maximum and minimum values of the corresponding mill time are found out from each kind of working condition; the first linear programming is used to plan the running time of the raw material mill; if the result shows that the ending time point of the current time and the starting time point of the next time interval are not more than the set value, the production scheduling task of the next time interval is migrated to the current time interval; the second linear programming is used to plan and arrange the mill time in the running time interval; the starting and ending time points of each time interval running time interval and the running mill time of each time interval are obtained; and the application can maximize the economic benefits of enterprises, limit the frequency of starting and stopping machines and reduce the equipment wear under the premise of meeting the total output.

The present invention discloses a method for dynamic economic and emission optimization scheduling in combination with a plug-in vehicle power generation unit, which belongs to the field of microgrid scheduling and includes the following steps: using the power demand in each time period and the number of plug-in vehicles that can be connected to the power grid as input parameters of the model; constructing a power generation unit optimization scheduling model; using a peak shaving and valley filling algorithm to allocate the charging and discharging of plug-in vehicles, and reasonably allocating the charging and discharging behaviors of plug-in vehicles to different time periods according to the power demand during peak and valley periods; using a multi-objective genetic algorithm to optimize the power generation of the power generation unit; and obtaining the power generation of the power generation unit at each moment and the number of plug-in vehicles connected to the power grid through optimization and solution. The present invention can effectively balance the power load and significantly improve the safety and stability of the power grid operation by coordinating the charging and discharging behaviors of plug-in vehicles with power generation units, discharging plug-in vehicles during peak periods and charging during valley periods through the coordinated scheduling of the charging and discharging behaviors of plug-in vehicles and power generation units.

The application discloses an adaptive traction control method, device and equipment for electrically driving a hinged vehicle, comprising: calculating an inter-axle slip index and a wheel slip index of a drive axle; generating a target locking degree according to the inter-axle slip index and the wheel slip index, and mapping the target locking degree into an actuator control amount; generating a drive motor torque upper limit request according to a rotational speed difference between two ends of a target adjustable locking actuator and a maximum slip index of the vehicle; forming a fault mask according to wheel speed channel state information by axle, and reconstructing an effective control set based on the fault mask; when a parking or emergency braking state is in an effective state, switching each adjustable locking actuator to a release target with a priority higher than slip control, and sending a zero torque or a safety torque upper limit request to a drive motor controller. The application can reduce the differential lock engagement impact, improve the electric drive train protection capability and the traction control availability under severe working conditions, and can be applied to the technical field of vehicle control.

This utility model discloses a thermal management system suitable for containerized energy storage systems, comprising an air conditioning refrigerant circuit and a battery thermal management circuit, both of which include plate heat exchangers. Through this structure, the integration of the air conditioning refrigerant circuit and the battery thermal management circuit reduces system complexity and cost, while also reducing space requirements and maintenance costs. The battery thermal management system utilizes the plate heat exchanger to form a heat exchange with the air conditioning refrigerant circuit, effectively dissipating the heat absorbed from the energy storage battery module through the air conditioning system. The air conditioning refrigerant circuit dynamically adjusts the refrigerant distribution to regulate the heat exchange distribution between the air conditioning refrigerant circuit and the battery thermal management circuit. The battery thermal management circuit includes a phase change thermal storage unit connected in parallel with the plate heat exchanger, releasing stored heat / cold energy during charging and discharging intervals, reducing the frequent start-stop of the compressor and PTC heater.

The utility model discloses a washboard structure for preventing violent shaking of oil, which comprises an oil tank, the bottom of the oil tank is fixedly connected with a washboard main body, the upper surface of the washboard main body is fixedly connected with the inner top of the oil tank, the bottom of the washboard main body is provided with a plurality of flowing ports, and the flowing ports are communicated with the oil tank. A plurality of rotating holes are formed in one side of the washboard body, a rotating groove is formed in the inner wall of each rotating hole, a rotating structure is arranged in each rotating groove, buffering structures are arranged on the sides, away from each other, of the washboard body, and each rotating structure comprises a rotating ring rotationally connected into the corresponding rotating groove. By arranging the rotating ring, the rotating sleeves, the stainless steel fan blades, the supporting shaft and the like, oil flows into the rotating sleeves, and when the oil flows through the stainless steel fan blades, the stainless steel fan blades drive the rotating ring, the rotating sleeves and the supporting shaft to rotate, so that vortex is formed by the oil, the energy dissipation efficiency is improved, and meanwhile flowing noise is reduced.

This invention relates to the field of temperature control system technology, specifically a temperature control system for exhibition halls. The system includes a central processing unit, a sensor network, a group of execution devices, and a back-end user interface. The sensor network is deployed throughout the exhibition hall and sends monitoring data to the central processing unit. The execution devices are installed in the exhibition hall and controlled by the central processing unit. The central processing unit then feeds back information to the back-end user interface for display. This exhibition hall temperature control system can detect and automatically control the humidity and humidity levels within the exhibition hall through the sensor network, maintaining them within a constant range. Even when a large influx of people enters the exhibition hall, the system can proactively pre-cool the area before it reaches a point requiring cooling.

The utility model belongs to the technical field of protection engineering, specifically is a kind of steel structure corrugated board shed hole with passive protective net, including protective sheet;The protective sheet is arc-shaped arrangement;Multiple cavities are equipped in the middle part of the protective sheet;Multiple reinforcing bars are fixedly connected in the middle part of the protective sheet;First connecting groove is set in the sidewall of the protective sheet;The sidewall of the protective sheet is fixedly connected with connecting plate;The first connecting groove and connecting plate are oppositely arranged;Multiple sleeve connectors are fixedly connected in the end of the protective sheet;Buffering assembly is installed in the middle part of the protective sheet;The above-mentioned structure protective sheet can reduce structural deadweight, reduce transportation and hoisting difficulty, macromolecular polymer material can effectively resist aging, ensure the service life of product, and the protective sheet has good insulation, so that it can adapt to discharge environment, and the protective sheet can be quickly connected during installation.

The utility model discloses a kind of atomizer charging devices, it is related to atomizer technical field, comprising: charging rack, several rows of support frame are equipped on charging rack;Charging carrier is set on support frame, and each support frame is equipped with several charging carriers, and each charging carrier is equipped with several charging grooves for placing atomizer;Equal controller is set on charging rack with the number of charging carrier and one-to-one correspondence setting, each controller is electrically connected with several charging lines, the number of charging line is equal with the number of charging groove in corresponding charging carrier, the side of each charging line is equipped with line pressing assembly, line passing assembly and line spacing assembly.The utility model realizes manpower saving as a whole, compared with traditional scattered charging, energy consumption optimization, while the service life of entire device is prolonged, and unified stable charging parameter can prolong atomizer battery life.

The application discloses a lower limb auxiliary driving mechanism and a robot, which comprises a thigh assembly and a lower leg assembly connected with the thigh assembly, and a connecting end of a thigh connecting piece two and the lower leg assembly forms a knee joint. In the application, a constant force load mechanism is arranged on the thigh assembly, constant tension of a spring is converted into a compensation torque acting on the knee joint, so that the compensation torque can directly offset part or all of the bending moment generated by the weight of the lower limb on the knee joint, thereby realizing accurate compensation of the static load of the knee joint, reducing the driving burden when the joint maintains a posture, and the constant force load spring serves as a parallel auxiliary execution mechanism and jointly bears the load of the knee joint with a motor driving system. Through the parallel sharing mode, the joint load originally borne by the motor can be reasonably distributed, the motor works in a relatively stable and high-efficiency interval more, peak load is reduced, current impact is reduced, and overall driving efficiency is improved.

The invention discloses a power system scheduling method and system considering flexible load, and relates to the technical field of power system scheduling, and the method comprises the steps: formulating a scheduling mode; renewable energy sources are consumed; a peak electricity price and interruptible load mechanism is adopted; perfecting an excitation compensation mechanism of the flexible load participating in power grid dispatching; modeling power grid configuration, a user body and a load integration unit in a collective mode; formulating a power operation scheduling strategy; an SCADA acquisition system is introduced, historical data accumulation of the system is utilized, historical data of data records are combined, and an all-weather load prediction value is obtained through a calculation method. By considering regional power generation resource endowment and flexible load composition, the method can formulate a more reasonable power dispatching mode, effectively avoid wind curtailment and light curtailment phenomena, improve the utilization rate of renewable energy sources and optimize power resource configuration; dynamic electricity price, contract signing, peak electricity price, interruptible load and the like are introduced, so that reasonable electricity utilization of high-energy-consumption load can be guided, and peak load of a power grid is reduced.

The invention relates to a multi-micro-grid optimization method for compressed air energy storage and demand response, which comprises the following steps: constructing a multi-micro-grid network comprising a solar power generation system, a gas turbine system and a compressed air energy storage system, and storing excess power by using a compressed air energy storage unit when photovoltaic power generation is excess; compressed air is released to assist power generation during load peak or insufficient power supply, so that continuity and stability of power supply are ensured; meanwhile, in combination with a demand response mechanism, load balance and peak load reduction are realized by dynamically adjusting load demands, and the flexibility of the system is improved; besides, an artificial intelligence optimization technology is adopted, key operation parameters are dynamically adjusted, energy production and storage are further optimized, the energy utilization efficiency is improved, the problem of power instability caused by renewable energy power generation volatility is effectively solved, and the method has the advantages of being efficient, capable of saving energy, stable in power supply and high in economical efficiency; the method has the advantages that energy scheduling is optimized, and stability and economic benefits are improved.

The present application provides excavator and energy recovery system of excavator movable arm and bucket based on pump motor, and relates to the technical field of excavator.The energy recovery system comprises a bucket cylinder, a first three-position four-way electromagnetic reversing valve adapted to switch the rod cavity and the rodless cavity of the bucket cylinder to be communicated with the first two-position two-way electromagnetic reversing valve and the second two-position three-way electromagnetic reversing valve respectively, a movable arm cylinder, a second three-position four-way electromagnetic reversing valve adapted to switch the rod cavity and the rodless cavity of the movable arm cylinder to be communicated with the first two-position three-way electromagnetic reversing valve and the second two-position two-way electromagnetic reversing valve respectively, a hydraulic pump adapted to supply hydraulic oil in a hydraulic oil tank to the first two-position two-way electromagnetic reversing valve and the third two-position two-way electromagnetic reversing valve, and a motor drivingly connected to the hydraulic pump.A pump motor is connected between the second two-position two-way electromagnetic reversing valve and the hydraulic oil tank, an electric motor generator integrated machine is drivingly connected to the pump motor, and an energy storage device is electrically connected to the motor and the electric motor generator integrated machine.

The utility model discloses a kind of polycrystalline diamond composite cutting teeth and high-efficiency high bearing drill, cutting tooth includes hard alloy base body and polycrystalline diamond layer, hard alloy base body is connected by the arc surface portion of two ends and the straight surface portion between two arc surface portion and is made into capsule-shaped column structure;The end face of polycrystalline diamond layer away from alloy base body is working surface, working surface is plane or is equipped with at least one convex portion;Convex portion includes upper end portion and the transition surface between it and arc surface portion and / or straight surface portion;The layout of cutting tooth is optimized by straight edge design in the application, innovative "capsule-shaped" composite cutting tooth design is introduced, and the failure problem of high bearing drill in restricted space is systematically solved under the tooth distribution bottleneck and hard rock working condition. Cutting tooth of straight edge design can realize higher tooth distribution density, so that drill can effectively distribute load in narrow space, thereby significantly improve the cutting performance of key area, improve overall drilling efficiency.

The invention relates to a component for assembling a green roof, such as a flat green roof, a substantially flat green roof, or a pitched roof, or a green wall, which component comprises a flexible layer having at least one pocket containing a substrate for vegetation, wherein the pocket further contains an insert that at least in part shapes the exterior appearance of the pocket.