4results about How to "Build stability" patented technology

The invention provides a start control method and device for an energy type flexible direct current system, and relates to the technical field of flexible direct current power transmission of a power system, and the method comprises the steps: 1, controlling a protection unit to be powered on, and completing hardware self-inspection and software initialization; and step 2, based on hardware self-inspection and software initialization, setting a converter station control mode, controlling a secondary side switch of the converter transformer to be closed, pre-charging the direct current bus through the converter valve module until the voltage of the direct current bus reaches a target pre-charging voltage, and meanwhile, keeping the super-capacitance branch module in an off state. According to the invention, the impact current when the energy storage branch is input is reduced, and the safety of the system starting process and the equipment reliability are improved.

The utility model provides a kind of heating device, and heating device includes shell, heating box and vacuum component;Heating box includes box, tray and microwave emission unit;The tray and the microwave emission unit are all arranged in the box, and the tray is detachably connected with the box, and the microwave emission unit is fixedly connected with the box;The vacuum component includes vacuum pump and vacuum gauge, and the vacuum pump and the vacuum gauge are respectively fixedly connected with the box, and the vacuum pump and the vacuum gauge are electrically connected.The microwave emission unit can significantly shorten the preheating time by using the rapid and uniform heating characteristics of microwave heating, and the vacuum pump and the vacuum gauge can dynamically adjust the air extraction state according to the actual vacuum degree, realizing the parallel operation of heating and vacuum process.At the same time, microwave heating can provide heat energy supplement for water vaporization of battery under vacuum environment in time, reduce heat loss, further improve baking efficiency, and more efficiently remove water vapor in battery.

This invention discloses a starter voltage build-up control method, device, and system based on power boundary analysis and compensation, belonging to the field of motor control. The method includes: acquiring the current parameters of the starter during the voltage build-up process, discretizing them to obtain the current time... k The rate of change of current; based on the first voltage boundary and the second voltage boundary, within the preset current safety margin, the compensation value of the current dynamic component is calculated; the maximum current change in the current switching cycle is calculated based on the compensation value of the current dynamic component; based on the maximum current change... k Current rate compensation is performed based on the rate of change of current at any given time. Key factors such as the rate of change of current, motor speed, and load characteristics are considered to achieve rapid and stable voltage establishment under different speed conditions.

This application discloses an image sensor, its readout method, and an electronic device, relating to the field of image sensor technology. The image sensor includes: a pixel array comprising multiple basic pixel units arranged in m rows and n columns; the pixel array is divided into an effective pixel area and an edge weakly photosensitive pixel area; wherein the edge weakly photosensitive pixel area includes at least a first row of basic pixel units and a first column of basic pixel units; the basic pixel units in the effective pixel area are used for photosensitive sensing and conversion into effective color pixel signals; the first row of basic pixel units and the first column of basic pixel units are configured with weak light-transmitting filters; the weak light-transmitting filters are blue filters or red filters; a control module electrically connected to the pixel array; capable of reducing signal bandwidth and reducing the requirements for the setup time and driving capability of the driving circuit.