37results about How to "Enable energy management" patented technology

An energy management method for various types of battery energy storage power stations taking into account a charge-discharge rate, comprising: reading related data of a battery energy storage power station in real time; calculating a characteristic value of the charge or discharge rate of each battery energy storage unit; calculating an initial power command value of each battery energy storage unit; judging in real time whether the initial power command value of each battery energy storage unit goes beyond the permitted maximum charge or discharge power of the unit or not; if yes, conducting online correction and recalculation on the initial power command value of each battery energy storage unit; otherwise, setting the initial command value of the energy storage unit as a power command value thereof; and summarizing the power command value of each battery energy storage unit and outputting same. The method has an object of reasonably controlling the charge-discharge rate of each energy storage unit, and performs power coordination control and energy management inside the energy storage power station, and also takes into account the service life of an energy storage battery in a control policy, so as to fulfill the functions of avoiding the abusing of the energy storage battery, decelerating the battery ageing, etc. as far as possible.

The invention discloses two kinds of non-isolation type single-magnetic-core three-port direct current converters. Each of the two kinds of the converters comprises an input source port, a battery port, a load port, a first switching tube, a second switching tube, a third switching tube, a first diode, a second diode, a third diode, a filter capacitor and a filter inductor, and has five kinds of working patterns, wherein the four working patterns have three working modes. According to the converters provided by the invention, the converters are connected with the corresponding input voltage sources, the loads and the batteries; single-stage energy conversion is performed among the ports; the converters have multifunctional unified energy management modes and higher efficiency; the same working pattern can be carried out by different working modes, so that limitation to the port voltage is low; and in addition, the converters are wide in operating range and flexible in working modes.

The invention provides an isolated island microgrid real-time schedule energy management system which comprises an energy management unit, a real-time monitoring unit, a prediction control unit and a distributed unit circuit breaker. A microgrid comprises power generating units, a battery and a load, wherein the power generating units, the battery and the load are respectively connected with a power bus through a power converter. The real-time monitoring unit acquires the running state of each power generation unit and the battery. The prediction control unit predicts the output power and the load demand of each power generation unit according to current weather information data and historical load data. According to received microgrid running data and prediction result data, the energy management unit calculates the running state and the output power of each power generation unit of next time by taking the minimum system running cost as an objective function and safe system running as a constraint condition. Accordingly, the distributed unit circuit breaker controls each power generating unit to transmit power to a power grid. According to the invention, the influence of uncertain factors of weather conditions, load fluctuations and the like on the running of the system can be reduced, and the running reliability of the microgrid is improved.

The present invention provides a comprehensive energy management method and system for an energy storage system of a new energy power station, including: based on the current power of the new energy power station and the change state of the SOC of the energy storage system, respectively calculating and tracking the first power demand corresponding to the planned output and suppressing fluctuations The second power demand corresponding to the function; the third power demand corresponding to the peak shaving and valley filling function is calculated based on the current power of the new energy power station; the energy storage system power demand is determined based on the first power demand, the second power demand and the third power demand . The invention realizes the functions of tracking planned output, shaving peaks and filling valleys, and suppressing fluctuations at the same time, ensuring that the SOC of the energy storage system does not exceed the limit within a complete dispatch cycle, and ensuring that the new energy output is always in a controllable state.

The invention discloses a microgrid energy management method and a system thereof. The microgrid energy management system comprises a super-capacitor energy storage management module, a grid-connected energy storage management module, an off-grid energy storage management module and an off-grid power generation and load management module. An energy management module operates based on difference between generation power and load power in a microgrid, a super-capacitor energy storage management module enables a high-frequency part in power difference values in the microgrid to be contained in a power set value of a super capacitor to the maximum extent, the grid-connected energy storage management module sets powers of all stored energy in the microgrid according to a stored energy surplus capacity weighting allocation algorithm and a stored energy charging and discharging power set curve, the off-grid energy storage management module sets other stored energy except main stored energy according to the charging and discharging power curve, and the off-grid power generation and load management module controls power source and load in the micro grid according to a grid-connected management strategy or an off-grid management strategy.

The invention discloses a vehicle energy management method, device, vehicle and storage medium, comprising: determining a preset output power and a first correction parameter of a fuel cell according to the state of charge and current temperature of a power battery; if the preset output power and a first correction parameter are determined; If the output power is greater than the first correction parameter, the output power of the fuel cell is corrected based on the first correction parameter to obtain the corrected output power; the vehicle is controlled to run based on the corrected output power and the state of charge, Energy management of the vehicle is achieved. The above technical solution corrects the output power of the fuel cell under the state of charge of the power battery and the current temperature, and then controls the operation of the vehicle, realizes the energy management of the vehicle, and realizes that on the premise of meeting the power demand of the whole vehicle, the fuel cell can be It runs under its required output characteristics without overcharging the power battery, improving the service life of the fuel cell and the safety of the vehicle power network.

The invention discloses a lateral flight energy management method of an unpowered aircraft, which relates to the technical field of aircraft flight control. Obtain the cumulative amount of direction; the cumulative amount of direction indicates the position offset direction of the aircraft; calculate the lateral velocity guidance amount according to the cumulative amount of direction and speed offset; pass the lateral position deviation through the inertia link and the proportional link to obtain the lateral position guidance amount ; Carry out weighted summation of the lateral speed guidance amount and the lateral position guidance amount to generate a lateral guidance command to control the lateral flight of the unpowered aircraft. The present invention takes the standard track as the reference, comprehensively considers the lateral velocity deviation and the lateral position deviation, combines lateral guidance with speed control, dissipates excess fuel through lateral maneuvering, avoids over-adjustment, and realizes energy management of the aircraft.

The invention belongs to the technical field of photovoltaic power generation, and discloses a photovoltaic energy storage battery power generation system and a control method. According to the power generation system, photovoltaic batteries and matched single energy storage batteries form photovoltaic energy storage battery modules; a certain number of modules are connected in series according to the requirements; and module strings can be connected with one another in parallel to meet the requirements of loads on power. The control method comprises the following steps: controlling cut-in and cut-out of single photovoltaic batteries, single energy storage batteries and the modules thereof by monitoring voltages, currents, temperatures and the like of single photovoltaic battery modules and singe energy storage batteries; controlling cut-in and cut-out of the photovoltaic energy storage battery modules by monitoring the voltages of series branches; and controlling starting and stopping of the overall system by monitoring a busbar voltage. The photovoltaic energy storage battery power generation system and the control method can solve the problems of the 'shadow effect' and inconsistency of the photovoltaic batteries, the inconsistency and equilibrium management of an energy storage battery pack and energy management of photovoltaic energy storage.

The invention discloses a hybrid multi-port railway power converter and its power coordination control method. Firstly, according to the power provided by the new energy source and the load power, the power to be compensated by the railway power regulator is calculated, so that the three-phase traction network can achieve active power balance ;Secondly, the front-stage back-to-back PWM rectifier adopts improved virtual synchronous machine control to realize negative-sequence and reactive power compensation, stabilize the high-voltage side series DC voltage, and at the same time suppress the grid voltage fluctuation and improve the reliability of the traction network power supply; finally, the intermediate stage The DC / DC converter adopts a stable low-voltage bus voltage, and simultaneously controls the voltage and power balance of the high-voltage series terminal, and introduces variable parameter control according to the small signal model to enhance the dynamic performance of the control system and improve the adaptability of control parameters.

The invention discloses drying equipment, and relates to the technical field of solar baking varnish drying equipment. The drying equipment comprises an outer wallboard; supporting columns are uniformly arranged at the bottom of an inner cavity of the outer wallboard; and an inner wallboard is arranged at the tops of the supporting columns. The invention discloses a solar baking varnish drying method for the drying equipment. The solar baking varnish drying method for the drying equipment specifically comprises the steps that light is collected; a solar panel works to generate electricity andproduce heat; the heat is recycled; the baking varnish drying operation is carried out; energy storage is carried out; and an early warning is given. According to the equipment and the method, on thebasis of ensuring the drying function, the collecting area of the light is expanded by adding convex lenses so that the light intensity can be improved, a large amount of heat generated by illumination and solar panel power generation is used for heating a drying chamber, and therefore the daily temperature of the drying chamber can be increased, the electricity consumption in the heating processcan be reduced, the utilization rate of electric energy of solar power generation can be increased, the baking varnish operation time can be prolonged, in addition, the expected effect can be improved, and the continuous enlargement of accidental loss can be avoided.