4results about How to "Low marginal cost" patented technology

The invention discloses an integrated energy system optimization operation system and method considering demand response under a carbon transaction mechanism. The method comprises the steps of optimizing an initial electrical load value and an initial thermal load value of an integrated energy system according to a preset price elasticity matrix and an adjustment weight coefficient to obtain a corresponding electrical load optimization value and a thermal load optimization value; equivalently optimizing the electrical load optimization value and the thermal load optimization value by using a preset equivalent replacement proportionality coefficient to obtain an equivalent electrical load optimization value and an equivalent thermal load optimization value; the total carbon emission amount is obtained according to the output power of the gas equipment and the unit power emission factor, and the carbon market transaction cost corresponding to the total carbon emission amount is obtained through a carbon transaction cost expression; constructing a total cost minimization objective function according to the operation and maintenance cost of all the devices, the preset energy purchase cost and the carbon market transaction cost; and setting a constraint function optimization total cost minimization objective function based on the basic operation data, the equivalent electric load optimization values and the equivalent thermal load optimization values of all the equipment.

The embodiment of the invention discloses a high-voltage energy storage type UPS (Uninterrupted Power Supply) and a control method, device and equipment thereof, the high-voltage energy storage type UPS comprises an energy storage battery, a controller and a bidirectional variable-current booster, one side of the bidirectional variable-current booster is connected with the energy storage battery, and the other side of the bidirectional variable-current booster is respectively connected with a high-voltage bus at a power grid side and a transformer at a load side; the controller is used for determining a control instruction according to the battery state of the energy storage battery, the power grid state of the power grid side and the power utilization state of the load side, and sending the control instruction to the bidirectional AC booster. The control instruction is used for triggering the bidirectional alternating current booster to perform alternating current-direct current conversion and / or voltage regulation operation so as to perform charging and discharging operation.

The application discloses a kind of radioactive contaminated clothing intelligent management method and related equipment.The method comprises the following steps: collecting the initial radiation dose of the contaminated clothing and generation time;Based on the nuclide decay formula, a decay tracking calculation process is constructed, the current dose is calculated in real time according to the nuclide half-life parameter, and the total dose is obtained by superimposing the contribution of each nuclide when there is multi-nuclide contamination;The current dose calculated in real time is compared with the preset control threshold, and the washable instruction is pushed to the medical terminal when the control threshold is met, and the remaining decay time prompt is output when the control threshold is not met.It can solve the problem that the management of radioactive contaminated clothing is highly dependent on manual, which can easily lead to waste of manpower, missed or wrong recording, and occupational health hazards caused by frequent close contact of medical staff with high-activity contaminated clothing during manual monitoring.

The application discloses a multi-purpose electric aircraft system based on replaceable function cabin and a running method, and belongs to the technical field of electric vertical take-off and landing aircrafts. The system comprises an upper flight power module and at least one lower function cabin module. The upper flight power module comprises a sub-battery, a UAV frame, a multi-rotor power module arranged on the UAV frame and an intelligent control module. The sub-battery is used for supplying power to the multi-rotor power module and the intelligent control module. An electric appliance female connector is arranged on the UAV frame. The lower function cabin module comprises a cabin and a main battery. The application is suitable for high-frequency and multi-task eVTOL aircraft operation, can achieve replacement of "flight-charging-flight" with "flight-cabin replacement-flight", avoids manual intervention as much as possible, enables the flight power platform to run almost continuously, improves asset utilization rate and increases economic benefits.