8results about How to "Relieve operating pressure" patented technology

The invention discloses a power transmission and distribution power grid robust optimization unit scheduling method based on the whole frequency response process, and relates to the technical field of power systems. The method comprises the following steps: constructing a whole-process frequency security constraint around three links of inertial response, primary frequency modulation and secondary frequency modulation, establishing a power transmission and distribution network two-stage robust unit combinatorial optimization model considering the whole frequency response process by taking min-max-min as a structure, and minimizing the start-stop cost, the power generation cost and the standby cost of the primary frequency modulation and the secondary frequency modulation as a target; and converting the two-stage robust unit combinatorial optimization model of the power transmission and distribution network into a mixed integer second-order cone programming model by adopting a column sum constraint generation algorithm and a strong duality theory, and carrying out iterative solution. According to the method, the frequency regulation capability of the power transmission and distribution network can be effectively improved, the operation cost is reduced, the robustness and efficiency of a scheduling scheme are improved, and safe, stable and economical operation of the power transmission and distribution network under the output uncertainty condition of new energy such as wind and light is ensured.

The invention discloses a multi-dimensional financial cost control and optimization system, and relates to the technical field of financial management. Financial data of an enterprise is collected, a financial data set S is constructed, the financial data set S is summarized and analyzed, and a material price fluctuation index CL, an exchange rate fluctuation index HL and a cash flow index XJ are obtained; obtaining a financial risk score FX according to the material price fluctuation index CL, the exchange rate fluctuation index HL and the cash flow index XJ, obtaining a financial risk fluctuation coefficient sigma FX in combination with the financial risk score FX in a future period of time obtained by the financial risk prediction model, evaluating the financial risk state of the enterprise, and performing financial cost optimization. And the financial data after optimization are collected in real time, the financial risk score FXf after optimization is obtained, and the financial optimization effect is evaluated, so that an enterprise can quickly respond to market changes, the financial cost is controlled, and the flexibility and timeliness of financial management are improved.

The invention discloses an urban service optimization system based on swarm intelligence, and the system comprises the steps: obtaining historical taking data and urban road network data, building a database and an urban road network coordinate system, analyzing the delay time of a previous bus, evaluating the delay deviation, analyzing the stations, which coincide with other bus routes, in remaining routes, and carrying out the optimization of the urban service. The method comprises the following steps: acquiring historical riding data of a target bus, evaluating shunting deviation, further predicting a full-load rate of the target bus arriving at remaining stations according to the historical riding data, adjusting departure time of a next bus according to the predicted full-load rate, analyzing riding information of passengers, evaluating passenger flow when the bus stops at the target station, and judging whether to carry out early warning analysis or not. If yes, the driving states of the motor vehicles and the non-motor vehicles near the target station are further evaluated, an early warning result is obtained, and broadcasting is controlled to send out safety reminding according to the analyzed early warning result, and the method has the advantages of improving the passenger travel efficiency and guaranteeing the bus passenger safety.

The present invention discloses a hybrid cloud automated operation and maintenance publishing system, including: a main management center, which selects a regional data center as the main management center; service and business modules, which create automated publishing execution program files for various services and business modules; a configuration center, a deployment object storage space and a database platform, which establish a unified configuration center, a deployment object storage space and a database platform, create service configuration items in the configuration center, establish a classification directory in the object storage, and create a database connection in the database platform for executing SQL statements; and create roles and user accounts in the configuration center and the database platform. The present invention reduces the occurrence of manual memory commands and manual execution errors, and the system service management method also supports the startup of services in parallel, significantly improving the startup efficiency. In the face of business expansion and module addition, only the corresponding configuration and publishing files need to be added to achieve dynamic upgrades.

This utility model discloses a device and heating system for utilizing waste heat from a biomass power plant. The device includes a hot-end regulating module and a cold-end regulating module. The hot-end regulating module includes a condenser and an insulation pool, with the condenser connected to the insulation pool. The cold-end regulating module includes a low-temperature heat user unit, a first high-temperature heat user unit, a second high-temperature heat user unit, a power source heat pump unit, and a steam source heat pump unit. Multiple low-temperature heat user units are cyclically connected to the insulation pool, the power source heat pump unit is connected to the insulation pool and the first high-temperature heat user unit, and the steam source heat pump unit is connected to the insulation pool and the second high-temperature heat user unit. This application recovers waste heat from the generator unit through the condenser and insulation pool, thereby improving the overall thermal efficiency of the biomass power plant. The system adopts a cascaded utilization method for thermal energy, achieving efficient and graded energy utilization. Heating increases non-electricity revenue, enhancing the project's economic sustainability.

The invention discloses a traditional Chinese medicine preparation for treating stomach diseases and a preparation method thereof, and belongs to the technical field of Chinese herbal medicines. The preparation is obtained by mixing and decocting amomum cardamomum, fingered citron, galangal, radix puerariae, radix bupleuri, pericarpium citri reticulatae and propolis. Through the compatibility, the preparation can effectively relieve stomach running pressure, promote digestion, clear away heat and toxic materials and harmonize the stomach to relieve pain, has a remarkable curative effect on stomachache, gasteremphraxis, gastric acid, 12-finger gastric ulcer, gastritis, gastroenteritis and other symptoms, and has the advantages of easily available medicinal raw materials, good compatibility, good stability, no toxic or side effect, low cost, remarkable curative effect and wide application prospect. Therefore, the traditional Chinese medicine composition is worthy of wide clinical popularization and application.

The invention discloses an urban railway multi-station cooperative train operation optimization method for multi-network integration, and the method comprises the steps: firstly analyzing the operation data and passenger flow characteristics of an existing train, and constructing a train parking mode and marshalling scheme coupling dynamic optimization model based on multi-period coordination on this basis; and then designing a heuristic algorithm, and optimizing the timetable in the Jinjing direction by taking a new Jianzhuang station of the Beijing and Jinjing intercity railway as an application object. According to the method, the inter-city railway train stop plan and marshalling scheme can be collaboratively optimized, balanced distribution of multi-station passenger flow in the same city area is realized, the operation pressure of a core hub station is effectively relieved, and the service capability and accessibility of candidate stations are improved; and meanwhile, through multi-period transport capacity dynamic adaptation, the unsatisfied passenger flow demand is reduced, the operation cost is reduced, the passenger commuting efficiency and the overall benefit of the system are improved, and technical support is provided for inter-city railway network operation and regional traffic collaborative development.

The invention discloses a benefit evaluation system and method for reliable replacement power supply of new energy of a regional power grid, and the method comprises the steps: obtaining new energy data, load data and meteorological data, and carrying out the preprocessing of all data; calculating a wind power photovoltaic confidence output index based on the new energy data and the meteorological data; calculating a peak ratio index and a peak power generation capacity index based on the new energy data and the load data; and calculating a comprehensive benefit value according to the wind power photovoltaic confidence output index, the peak proportion index and the peak power generation capacity index, and generating a comprehensive evaluation report and performing visual display. The evaluation method comprising a wind power photovoltaic confidence output index, a peak proportion index and a peak power generation capacity index is constructed, and the sequential operation simulation and multi-scene analysis technology is combined, so that the comprehensive quantitative evaluation of the new energy replacement power supply benefit of the regional power grid is realized, and the evaluation efficiency is improved from a multi-dimensional perspective. And the comprehensive value of new energy alternative power supply is comprehensively reflected and quantified.