3 results about "Economic utility" patented technology

The invention discloses a virtual power plant and resource matching method and system based on cooperation preference in the field of virtual power plant resource matching, and the method comprises the steps: building a photovoltaic, energy storage and air conditioning load multi-mode cooperation preference scoring model, and quantifying the economic effectiveness, equipment loss, user comfort and other multi-dimensional features; a double-tower representation and contrast learning technology is adopted, and resource attributes and service requirements are mapped to a unified semantic space to calculate the matching degree; in combination with an entropy regular optimal transmission algorithm, many-to-many flexible matching is realized on the premise of considering grid power flow safety constraints; and a rolling multi-cycle optimization mechanism is introduced, and a Bayesian update and reinforcement learning dynamic adjustment strategy is adopted, so that the technical problems of insufficient cooperation intention quantification, complex cross-time constraint and difficult security risk control in distributed resource scheduling under high-proportion new energy access can be solved, and the economy and security of virtual power plant scheduling can be effectively improved. And the performance stability of the system under the new energy fluctuation is enhanced.

The invention provides a movable chain block lifting installation platform device and method, and relates to the technical field of installation and production of ocean structures, the movable chain block lifting installation platform device comprises a main body support, a storage rack and a lifting rack, the storage rack is arranged on the main body support in a sliding mode, and the lifting rack is arranged in the storage rack and drives the storage rack to move longitudinally; a lifting joint for driving the lifting frame to move longitudinally is connected to the upper portion of the body support, a chain block is hung on the lifting joint, the end, away from the lifting joint, of the chain block is connected with the bottom of the lifting frame, the upper portion of the storage frame penetrates through the top of the body support and then is provided with a storage plate, and the storage plate is provided with a tool holder plate for fixing a structure. The heavy object mounting and welding requirements under the condition that the space is limited can be met, the working fatigue problem caused by long-time side-lying overhead welding of workers in the actual production process can be solved, the construction efficiency is improved, and positive application value and actual economic effectiveness are achieved for steel transportation and construction production in the manufacturing industry.

The application discloses a power distribution network security space decoupling distribution method suitable for multiple distributed power source clusters, belongs to the technical field of power distribution network safe operation and distributed resource scheduling, and comprises the following steps: firstly, a cluster security decoupling framework is constructed based on linearization security constraints of a power distribution network; power operation independent decoupling among clusters is realized through clusterization constraint reconstruction and quota conservation rules, and linear P-Q security operation envelopes special for each cluster are generated; an asymmetric Nash bargaining game theory is introduced, an economic utility function of the cluster is constructed in combination with P-Q envelope once homogeneity, a safe quota dynamic distribution optimization model is established by taking a bargaining weight and a bottom quota as constraints, and an optimal safe quota distribution scheme of each cluster is solved. The application guarantees global power flow safety of the power distribution network, meets differentiated operation requirements of heterogeneous clusters, and significantly improves distributed resource adjustable capacity and power distribution network operation efficiency.