90results about How to "Ensure power supply stability" patented technology

A server integrating system contains at least one rack, and the rack contains servers and a rack management board. The rack management board is connected to the chassis management board through a transmission line, in which the chassis management board sends the information of the servers to the rack management board, and the chassis management board passes the data to the rack management board.

The invention puts forward an alternating current-direct current active electric power distribution network voltage and reactive power coordinated control method comprising the following steps: electric power distribution network voltage running states are segmented into three bands that are respectively a normal state, an early warning and an emergency state according to node voltage levels of an electric power distribution network; in the normal state, global optimization operation is perform, dynamic reactive power of a flexible direct current device is replaced with static state reactive power of a discrete reactive power device, and a dynamic reactive reserve capacity of the electric power distribution network can be improved; in the early warning state, intercoordination of local control and centralized control is realized via multiple reactive power sources, and voltage threshold-crossing nodes can be corrected in the early warning state; in the emergency state, the flexible direct current device is used for providing emergency support to the voltage threshold-crossing nodes, and the electric power distribution network is enabled to transit to the early warning state till the electric power distribution network goes back to the normal state.

The invention provides a power transmission line covered ice monitoring device based on a rotation reference conductor. The power transmission line covered ice monitoring device at least comprises the reference conductor, a hanging support and a tension sensor. The reference conductor can be rotationally connected with the tension sensor. The tension sensor is fixedly connected with the hanging support. An ice melting unit is arranged in the reference conductor. The reference conductor rotates under the actions of wind force and covered ice gravity so that uniform cylindrical covered ice can be formed on the surface of the reference conductor; the tension sensor is utilized for monitoring the weight of the covered ice to carry out simulated monitoring on the covered ice of a power transmission line, the covered ice of the power transmission line can be effectively monitored, the effect of the environment on the monitoring result is effectively avoided, and the covered ice monitoring accuracy can be greatly improved.

The invention discloses a multi-path power supply management method and multi-path power supply device applied to electronic equipment. Specifically, one path of power supply is selected from multiplepaths of power supply lines according to a priority strategy on the basis of the online condition of each path of power supply; and electric energy is provided for a core module and a peripheral module of the electronic equipment based on a set power-on time sequence. According to the multi-path power supply management method and multi-path power supply device applied to the electronic equipmentof the invention, priority-based power supply switching management and control can be provided for the electronic equipment with multi-path power supply, the power supply stability can be effectivelyensured in different scenes, and the loss of devices of the equipment can also be reduced; moreover, a low-cost hardware architecture optimization scheme which is simple in topological structure and can be implemented through a small number of components is designed while the problem of switching of multiple types of power supplies is solved; the power supply stability and reliability can be obviously improved through the method and device provided by the technical schemes of the invention, and the overall power supply efficiency is greatly improved. The invention further correspondingly discloses electronic equipment applying the multi-path power supply management method or the multi-path power supply device.

The invention relates to a dusting router. The dusting router comprises a router body, a charger and a storage battery, wherein the charger is fixedly arranged on one side of the router body; an output end of the charger is connected with the storage battery through a line; the storage battery is connected with an input circuit of the router body; the storage battery is positioned in the router body; an upper end of the router body is provided with a detachable antenna; and the top of the router body is provided with a dust scraper for automatically scraping dust. Compared with the prior art, the dusting router has the advantage that the charger can be used for charging the storage battery, so that the power supply stability of the router body is ensured; even if the power fails, the normal running can be ensured, and convenience is improved; and the dust scraper can be used for scraping dust on the top of the router body, so that the router body can keep clean.

The invention discloses an adjusting and optimizing method utilizing PID to achieve fluctuations of CPU and internal storage VR output voltage. CPU and internal storage VR output voltage can be adjusted via adjustments of parameters of PID in the CPU and an internal storage main chip, so the CPU and internal storage VR output voltage can be always remained in a small fluctuant range under various load conditions; and server system power supplying stability can be enhanced. R&D engineers can adjust fluctuations of CPU and internal storage VR output voltage without welding an element component via a solder and only requiring PID parameter adjustments on a software interface of a digital power supply, so debugging efficiency of the engineers can be improved and R&D period is shortened; PID adjustments and VR bode diagram measurements are combined to achieve optimized PID parameters, so stability of the CPU and internal storage VR output voltage of the server in all user application scenes can be guaranteed and product quality is improved.

The present invention discloses a construction site intelligent electricity taking device. The device comprises a box body, hollow rotating plates are rotationally connected with and arranged at the upper and lower ends of a mounting groove through bearing pieces, a conductive rod is fixedly arranged on a conductive rotating ring, and an industrial waterproof socket is electrically connected to aconnecting wire. Air inlet pipes are symmetrically arranged on the side, close to the box body, of the bottom plate, action pipes and air outlet pipes are arranged on the air inlet pipes in a communicating mode, first one-way valves are arranged in the air outlet pipes, sliding plates are movably arranged in the action pipes, and second one-way valves are arranged in the air inlet pipes. Accordingto the construction site intelligent electricity taking device, the industrial waterproof socket can rotate by 360 degrees without dead angles so as to meet the electricity taking requirements of construction tools from all directions, abrasion to an insulating layer due to wire bending is prevented, and the device is convenient to move, has the damping function, automatically conducts air exchange and cooling while transferring and damping are conducted, and is centralized in function, convenient to use and quite worthy of popularization.

The invention relates to a spiral tool electrode and a bipolar electrolysis grinding processing method thereof, and belongs to the field of electrolytic grinding composite processing. The spiral toolelectrode comprises a tool bar and a tool head connected with the tool bar, wherein a spiral groove is formed in the periphery of the tool head, a grinding material layer covers the end head of the tool head, an electric insulation layer is closely jointed to the periphery of the tool head and the end surface of the tool bar, and an inert metal layer is closely jointed to the electric insulation layer. In the bipolar electrolysis grinding processing course, electric potential of the inert metal layer is higher than that of a workpiece, and for a processed surface and a nonprocessed surface ofthe workpiece, most of electric potential of a grinding material layer is attracted by the inert metal layer, and therefore, stray current corrosion can be restrained. Besides, insoluble electrolyticproducts can accelerate the process of discharging outwards under the action of spiral delivery of the spiral groove, so that the insoluble electrolytic products can be prevented from being adhered tothe surface of the workpiece. According to the spiral tool electrode and the bipolar electrolysis grinding processing method thereof, the efficacy, the stability, the precision and the surface integrity of metal small pieces subjected to electrolysis grinding processing can be effectively improved, and the technique is promoted to be promoted and industrially applied in the field of microscale processing.

The invention discloses a device for heating and purifying quantitative industrial wastewater. The device comprises a power supply module, an input button, a water level detection module, a heating module, a single chip microcomputer, an inlet electromagnetic valve, a stirrer, a purifying liquid electromagnetic valve and an outlet electromagnetic valve. According to the device for heating and purifying the quantitative industrial wastewater, a wastewater quantitative treatment technology is adopted, the quantitative wastewater is treated every time, and since the amount of the wastewater is constant, the dosage of purifying liquid is also constant, so that a maximum ratio is achieved, and waste is avoided; in addition, by adding the steps of stirring and heating, full mixing of the wastewater with the purifying liquid can be achieved, and the reaction efficiency of the wastewater and the purifying liquid can be facilitated through heating; the entire device is controlled intelligentlythrough the single chip microcomputer, so that no manual operation is needed, and since the single chip microcomputer is also provided with power by adopting an intelligent power supply, the stabilityof power supply of the device can be ensured.

The invention belongs to the technical field of smart grids, and particularly relates to a method for a battery to participate in wind power fluctuation suppression. The method stabilizes wind power fluctuation based on battery energy storage, and effectively suppresses grid fluctuation caused by wind power instability. The method comprises the steps that different control methods are used for wind farms with different installing capacities; battery input or cutoff calculation is carried out for wind farms with different installing capacities; if s is greater than 1 and less than or equal to 5, whether the battery is put into climbing is judged; Pd-Pd1/1<-2Pz/3 is judged at the time of descending; if s is greater than 5, whether the battery is put into climbing is judged, and then the judgment of Pd-Pd1/1<-100 is carried out on descending; and a mathematical model for suppressing wind power fluctuation with the battery in the states of wind power climbing, flatting and descending. According to the invention, battery energy storage is carried out on the wind power of a wind farm; in the case of large wind power output, battery energy storage is carried out to consume partial wind power to ensure the stability of a grid; frequency fluctuation caused by the fact that a traditional unit cannot meet requirements due to the increase of a load is solved; and the power supply reliability and stability of a power system are ensured.

The invention discloses a valve opening control method and a valve closing control method of a meter valve. The valve opening control method and the valve closing control method of the meter valve solve the technical problem of unstable system power supply in the valve opening process in the prior art. In the valve opening control method of the meter valve, when a control unit controls an execution part to execute valve opening actions, the control unit outputs a valve opening drive signal by N times (N is a positive integer greater than 1), after receiving the valve opening drive signal, theexecution part executes the valve opening actions to enable a valve to reach the valve opening position state after N times of valve opening actions from the valve closing state. In the valve closingcontrol method of the meter valve, when the control unit controls the execution part to execute valve closing actions, the control unit outputs a valve closing drive signal by M times (M is a positiveinteger greater than 1), and the execution part executes the valve closing actions after receiving the valve closing drive signal so that the valve reaches the valve closing position state after M times of valve closing actions from the valve opening state.

The invention relates to a wind and light electricity generation LED streetlamp and belongs to the technical field of streetlamps. The wind and light electricity generation LED streetlamp comprises abase, an upright and a main controller. The upright and the main controller are arranged on the base. An LED lamp head is arranged at the top of the upright. An installing seat and a wind driven generator are arranged at the top of the upright. The installing seat is provided with a solar panel and a motor used for driving the solar panel to rotate relative to the installing seat. The LED lamp head, the solar panel, the motor and the wind driven generator are all in electric connection with the main controller. According to the wind and light electricity generation LED streetlamp, solar energycan be converted into electric energy by means of the solar panel, meanwhile, wind energy can also be converted into electric energy through the wind driven generator, and thus electricity supply stability is ensured. The motor driving the solar panel to rotate is arranged, thus the solar panel can rotate relative to the installing seat, the effect that the solar panel can be always aligned withsunlight is ensured, and the energy conversion effect is better. The wind and light electricity generation LED streetlamp is simple and reasonable in structure arrangement.

The invention provides a cable monitoring equipment power supply system combining multiple energy taking modes. The cable monitoring equipment power supply system comprises a solar module, an online power supply module, a vibration energy taking module, a temperature difference power generation module, a storage battery, an auxiliary storage battery, a judgment control module, a charging and discharging management circuit I and a charging and discharging management circuit II. The output ends of the solar module, the online power supply module, the vibration energy taking module and the temperature difference power generation module are connected with the input end of the judgment control module, and the output end of the judgment control module supplies power to a load, the charging and discharging management circuit I and the charging and discharging management circuit II. The charging and discharging management circuit I is used for managing charging and discharging of the storage battery, the charging and discharging management circuit II is used for managing charging and discharging of the auxiliary storage battery, and the power supply end of the judgment control module is connected with the positive electrode of the auxiliary storage battery, so that the power supply stability of electric power detection equipment is ensured, and continuous and stable operation of power monitoring equipment is ensured.

The invention discloses a beryllium-copper alloy battery probe for a new energy automobile and a processing technology thereof, and particularly relates to the technical field of battery probes. The beryllium-copper alloy battery probe comprises beryllium, zirconium, nickel, copper and a surface treating agent. The conductive performance of the beryllium-copper alloy battery probe can be effectively enhanced, the low-temperature performance of the probe can be effectively improved, meanwhile, it is guaranteed that the probe keeps good conductive performance at a low temperature, and then the power supply stability of an automobile battery is guaranteed. The zirconium metal is added into beryllium-copper alloy so that grains of the beryllium-copper alloy can be effectively refined, and the strength of the beryllium-copper alloy is further improved. Nano-silver particles and nano-zinc oxide particles can be formed, CVD processing treatment is carried out, graphene is formed on the surface of copper alloy foil, the nano-zinc oxide particles are reduced to form nano-zinc, nano-silver and the nano-zinc are doped into the graphene, the conductivity of the graphene can be effectively enhanced, and the graphene is embedded into the copper alloy foil. The conductive performance of the copper alloy foil can be effectively enhanced, and the low temperature resistance of the copper alloy foil can also be effectively enhanced.

The invention provides a generator set, a generator set control unit and a generator set control method. The generator set control unit comprises the following modules of a voltage signal acquisitionmodule, a current signal acquisition module, a power source signal processing module and a circuit regulation module, wherein the voltage signal acquisition module acquires voltage detection signals of a plurality of power circuits; the current signal acquisition module acquires current detection signals of the plurality of power circuits; the power source signal processing module processes the voltage detection signals and the current detection signals to acquire power signals; the circuit regulation module compares the power signals with a set rated total power value to enable one or more power circuits in the plurality of power circuits to unload for opening or to be closed for loading. The generator set, the generator set control unit and the generator set control method have the advantages that hardware facilities of existing controllers are improved, commercial power detection ports are cancelled, voltage and current detection of a three-phase power generation supply is added, and two power supplies can be simultaneously monitored through program settings.