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申请号:202010006245.0 公开号:CN111049161A 主分类号:H02J3/24
摘要:【中文】本发明涉及一种储能多场景应用协同控制方法,包括以下步骤:确定当日的调峰需求场景所在时段及调峰所需有功出力;识别储能当下调频和调压场景中的需求场景;确定储能所对应的在调频需求场景和调压需求场景下的场景模式;通过储能参与单调频场景和储能参与单调压场景的控制方法计算得到调频所需的储能有功出力和调压所需的储能无功出力,其中调峰所需有功出力与调频所需的储能有功出力的代数和为储能期望有功值,调压所需的储能无功出力为储能期望无功值。本发明旨在在现有储能电站满足电网削峰填谷场景的背景下充分利用储能剩余容量达到改善电网频率和电压环境的目的,以此缓解机组调频和调压的压力,延缓机组寿命。 【EN】The invention relates to an energy storage multi-scene application cooperative control method, which comprises the following steps: determining the time period of the peak regulation demand scene of the current day and the active power output required by peak regulation; identifying a demand scene in a current frequency modulation and voltage regulation scene of the stored energy; determining scene modes corresponding to energy storage under frequency modulation demand scenes and pressure regulation demand scenes; and calculating to obtain the energy storage active output required by frequency modulation and the energy storage reactive output required by voltage regulation by using the control method of the energy storage participation single frequency modulation scene and the energy storage participation single voltage regulation scene, wherein the algebraic sum of the active output required by peak modulation and the energy storage active output required by frequency modulation is an energy storage expected active value, and the energy storage reactive output required by voltage regulation is an energy storage expected passive value. The invention aims to fully utilize the residual energy storage capacity to achieve the aim of improving the frequency and voltage environment of a power grid under the background that the conventional energy storage power station meets the peak clipping and valley filling scenes of the power grid, so that the pressure of frequency modulation and voltage regulation of a unit is relieved, and the service life of the unit is prolonged.
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申请号:202010005642.6 公开号:CN111162547A 主分类号:H02J3/24
摘要:【中文】本发明公开了一种储能多场景应用切换控制方法,步骤如下:根据实际电网数据分析该电网需求场景;将所述的需求场景分为可预知规划的需求场景和不可预知规划的需求场景;通过历史数据及日前数据分析确定可预知规划的需求场景在该日的时段安排及规划;确定在每一个可预知规划的需求场景的时段中储能实际有功出力和无功出力的计算方法;建立识别指标完成不可预知规划的需求场景的识别;建立切换指标判断是否完成所述的不可预知规划的需求场景的切换。本发明基于目前储能接入电网的多个应用场景的控制策略,结合实际电网需求分析,提出多场景应用切换控制方法,旨在通过储能接入并对其进行契合不同电网的适应性改造达到充分满足不同电网需求的目的。 【EN】The invention discloses an energy storage multi-scene application switching control method, which comprises the following steps: analyzing the power grid demand scene according to the actual power grid data; dividing the demand scene into a demand scene with predictable planning and a demand scene with unpredictable planning; determining the time interval arrangement and the planning of the demand scene which can be predicted to be planned in the day through historical data and day-ahead data analysis; determining a calculation method of the actual active output and the reactive output of the stored energy in each predictable and planned time interval of the demand scene; establishing an identification index to finish identification of the unpredictable planning demand scene; and establishing a switching index to judge whether the switching of the unpredictable planning demand scene is completed or not. The invention provides a multi-scene application switching control method based on a control strategy of a plurality of application scenes of the existing energy storage access power grid and combined with the analysis of actual power grid requirements, and aims to achieve the purpose of fully meeting the requirements of different power grids by energy storage access and adaptive transformation of the energy storage access and the application scenes matched with different power grids.
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申请号:201911275837.6 公开号:CN111082536A 主分类号:H02J50/10
摘要:【中文】一种稳定的高压感应取电装置,包括感应取电模块、电能调理模块以及充放电管理模块,所述感应取电模块包括高压输电线、电流互感磁芯、二次线圈、取样电阻以及单刀双掷继电器;所述电能调理模块包括整流电路、泄放电路、滤波电容以及稳压电路;所述充放电管理模块包括单片机控制电路和充放电电路;所述取样电阻、整流电路、泄放电路、滤波电容、稳压电路以及充放电电路并联连接;单刀双掷继电器设置于取样电阻与整流电路之间;所述单片机控制电路的输出端与充放电电路的两端连接;本发明通过设置充放电管理电路和单片机控制电路配合保证电流互感器二次侧的稳定性,保证负载两端的电压电流不会产生大的波动。 【EN】A stable high-voltage induction electricity taking device comprises an induction electricity taking module, an electric energy conditioning module and a charge and discharge management module, wherein the induction electricity taking module comprises a high-voltage transmission line, a current mutual inductance magnetic core, a secondary coil, a sampling resistor and a single-pole double-throw relay; the electric energy conditioning module comprises a rectifying circuit, a bleeder circuit, a filter capacitor and a voltage stabilizing circuit; the charge and discharge management module comprises a singlechip control circuit and a charge and discharge circuit; the sampling resistor, the rectifying circuit, the bleeder circuit, the filter capacitor, the voltage stabilizing circuit and the charging and discharging circuit are connected in parallel; the single-pole double-throw relay is arranged between the sampling resistor and the rectifying circuit; the output end of the singlechip control circuit is connected with the two ends of the charge and discharge circuit; the invention ensures the stability of the secondary side of the current transformer by arranging the charge-discharge management circuit and the singlechip control circuit to be matched, and ensures that the voltage and the current at two ends of the load cannot generate large fluctuation.
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申请号:201911161944.6 公开号:CN110863846A 主分类号:E21D11/38
申请人:【中文】山东科技大学【EN】Shandong University of Science and Technology 申请日:2019.11.25 公开日:2020.03.06
摘要:【中文】本发明公开了一种用于矿井巷道的隔热装置及其施工方法,所述固废隔热装置的结构包括锚索、锚杆、围岩、固废隔热模板、混凝土层、巷道、温度传感器,本发明利用固废材料高温烧结制备隔热模板,模板具良好的隔热性能和支护作用,可以降低固废排放,减少占用耕地面积,施工方法中采用50%的锚固预紧力,可以解决巷道变形时,高预紧力的支护失效,隔热模板和围岩分离问题。 【EN】The invention discloses a heat insulation device for a mine roadway and a construction method thereof, wherein the structure of the solid waste heat insulation device comprises an anchor rope, an anchor rod, surrounding rocks, a solid waste heat insulation template, a concrete layer, the roadway and a temperature sensor.
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申请号:202010080375.9 公开号:CN111075422A 主分类号:E21B43/26
申请人:【中文】山东科技大学【EN】Shandong University of Science and Technology 申请日:2020.02.05 公开日:2020.04.28
摘要:【中文】本发明属于爆破技术领域,具体涉及一种利用水力压裂的爆破方法。首先在水力压裂钻孔中间布置爆破钻孔,然后加压注水,水力压裂后,在爆破钻孔内安装炸药,引爆炸药,实现爆破。本发明将水力压裂与爆破相结合,预先使矿体产生裂缝并松动,从而达到达到降低炸药用量,节约操作成本的目的;而且在水力压裂结束后,矿体内仍有大量的水,在爆破过程中可以有效降低爆破产生的矿尘,保障工人健康。 【EN】The invention belongs to the technical field of blasting, and particularly relates to a blasting method utilizing hydraulic fracturing. Firstly arranging blasting drill holes in the middle of hydraulic fracturing drill holes, then injecting water under pressure, and after hydraulic fracturing, installing explosives in the blasting drill holes to detonate the explosives to realize blasting. The method combines hydraulic fracturing and blasting, and enables the ore body to generate cracks and loosen in advance, thereby achieving the purposes of reducing the explosive consumption and saving the operation cost; and after hydraulic fracturing is finished, a large amount of water still exists in the ore body, so that mine dust generated by blasting can be effectively reduced in the blasting process, and the health of workers is guaranteed.
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申请号:202010103389.8 公开号:CN111257025A 主分类号:G01M99/00
摘要:【中文】本发明公开了一种瞬间加热器检测系统和方法,检测控制器通过交流电源对待测的瞬间加热器供电;所述绝缘耐压仪连接待测的瞬间加热器,检测其绝缘电阻和电气强度;所述功率计还与交流电源和待测的瞬间加热器连接,检测待测的瞬间加热器的最大功率值和平均功率值;所述温度巡检仪检测待测的瞬间加热器的温升性能;所述高水压造压仪由检测控制器控制产生指定的水压给待测的瞬间加热器,检测待测的瞬间加热器的开裂和漏水情况。本发明能够对瞬间加热器进行高水压泄漏、温升性能、水温稳定性、绝缘电阻、电气强度、零部件表面温升、最大功率、平均功率、抗电压波动能力和耐久老化可靠性均进行快捷、有效的检测。 【EN】The invention discloses a system and a method for detecting an instant heater.A detection controller supplies power to the instant heater to be detected through an alternating current power supply; the insulation and voltage resistance instrument is connected with the instantaneous heater to be detected, and the insulation resistance and the electrical strength of the instantaneous heater to be detected are detected; the power meter is also connected with an alternating current power supply and the instant heater to be detected, and detects the maximum power value and the average power value of the instant heater to be detected; the temperature polling instrument detects the temperature rise performance of the instant heater to be detected; the high water pressure generating instrument is controlled by the detection controller to generate specified water pressure to the instant heater to be detected, and the cracking and water leakage conditions of the instant heater to be detected are detected. The invention can quickly and effectively detect high water pressure leakage, temperature rise performance, water temperature stability, insulation resistance, electric strength, part surface temperature rise, maximum power, average power, voltage fluctuation resistance and durable aging reliability of the instant heater.
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申请号:202010103443.9 公开号:CN111272458A 主分类号:G01M99/00
摘要:【中文】本发明公开了一种暖风烘干器测试系统和方法,控制器包括MCU、DC电压采样器、DC电流采样器、DC电源、第一串口、第二串口、USB转TTL电路、第四串口、AC电压采样器和AC电流采样器;其中,DC电压采样器和DC电流采样器检测暖风烘干器的直流电压和直流电流;MCU控制DC电源为暖风烘干器供电;通过第一串口与AC可调电源通信、第二串口与绝缘耐压仪通信、第三串口与温度巡检仪通信,控制仪器工作并获取响应测试数据;通过USB转TTL电路与风量计通信,获取风量计的测试数据;通过第四串口与工控系统通信,接受工控系统的指令并将测试数据上传工控系统。本发明能够对暖风烘干器的风量、功率、绝缘电阻、耐压、温升、超速和耐久能力均进行快捷、有效的测试。 【EN】The invention discloses a warm air dryer test system and a warm air dryer test method.A controller comprises an MCU, a DC voltage sampler, a DC current sampler, a DC power supply, a first serial port, a second serial port, a USB-to-TTL circuit, a fourth serial port, an AC voltage sampler and an AC current sampler; the DC voltage sampler and the DC current sampler are used for detecting the direct current voltage and the direct current of the warm air dryer; the MCU controls the DC power supply to supply power to the warm air dryer; the first serial port is communicated with an AC adjustable power supply, the second serial port is communicated with an insulation withstand voltage instrument, and the third serial port is communicated with a temperature polling instrument, so that the instrument is controlled to work and response test data are obtained; communicating with the anemometer through the USB-to-TTL circuit to obtain test data of the anemometer; and the fourth serial port is communicated with the industrial control system, receives the instruction of the industrial control system and uploads the test data to the industrial control system. The invention can quickly and effectively test the air quantity, power, insulation resistance, voltage resistance, temperature rise, overspeed and durability of the warm air dryer.
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申请号:201911092122.7 公开号:CN110852615A 主分类号:G06Q10/06
摘要:【中文】本发明属于智能电能表可靠性综合评价技术领域,提供了一种典型环境下智能电能表可靠性综合评价模型,包括如下步骤:(1)构建典型环境下智能电能表可靠性综合评价指标体系;(2)采用层次分析法计算典型环境下智能电能表可靠性综合评价指标体系中各指标的权重;(3)采用灰色加权关联法进行综合评价分析。该发明采用层次分析法建立典型环境下智能电能表可靠性综合评价指标体系并计算其指标权重,利用灰色加权关联分析法对典型环境下各厂家的智能电能表可靠性进行综合评价。实验表明,该评价模型用于典型环境下智能电能表可靠性的综合评价,评价结果客观准确。 【EN】The invention belongs to the technical field of comprehensive evaluation of reliability of intelligent electric energy meters, and provides a comprehensive evaluation model of reliability of an intelligent electric energy meter in a typical environment, which comprises the following steps: (1) constructing an intelligent electric energy meter reliability comprehensive evaluation index system in a typical environment; (2) calculating the weight of each index in an intelligent electric energy meter reliability comprehensive evaluation index system in a typical environment by adopting an analytic hierarchy process; (3) and performing comprehensive evaluation analysis by adopting a gray weighted correlation method. The method adopts an analytic hierarchy process to establish an intelligent electric energy meter reliability comprehensive evaluation index system under the typical environment and calculate index weight thereof, and utilizes a gray weighted correlation analysis process to comprehensively evaluate the intelligent electric energy meter reliability of each manufacturer under the typical environment. Experiments show that the evaluation model is used for comprehensive evaluation of the reliability of the intelligent electric energy meter in a typical environment, and the evaluation result is objective and accurate.
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申请号:201911402058.8 公开号:CN111006605A 主分类号:G01B11/16
申请人:【中文】山东科技大学【EN】Shandong University of Science and Technology 申请日:2019.12.31 公开日:2020.04.14
摘要:【中文】本发明公开了一种基于光纤光栅传感的预埋式充填体横向变形测量装置,属于矿山充填体监测技术领域。其埋设于充填体内,用于对充填体的左右两侧及总横向变形进行测量,基于光纤光栅传感的预埋式充填体横向变形测量装置包括测量主体、钢管、延长线和固定在测量主体内的两个光纤光栅位移传感器,测量主体包括一壳体及与壳体相适配的上盖,测量主体水平方向上连接有钢管,左、右两侧的出口在位于壳体外侧的部分设置有外螺纹,测量主体与钢管通过外螺纹与内螺纹连接在一起,光纤光栅位移传感器的部分活动拉杆位于钢管内,在钢管内还设置延长线,延长线与光纤光栅位移传感器的活动拉杆连接。本发明测量装置可对充填体左右两侧及总横向变形进行测量。 【EN】The invention discloses a pre-buried type filling body transverse deformation measuring device based on fiber grating sensing, and belongs to the technical field of mine filling body monitoring. The device comprises a measurement main body, a steel pipe, an extension line and two fiber grating displacement sensors fixed in the measurement main body, wherein the measurement main body comprises a shell and an upper cover matched with the shell, the steel pipe is connected in the horizontal direction of the measurement main body, the outlets of the left side and the right side are provided with external threads at the part positioned outside the shell, the measurement main body and the steel pipe are connected together through the external threads and the internal threads, part of movable pull rods of the fiber grating displacement sensors are positioned in the steel pipe, the extension line is also arranged in the steel pipe, and the extension line is connected with the movable pull rods of the fiber grating displacement sensors. The measuring device can measure the left and right sides and the total transverse deformation of the filling body.
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申请号:201911402068.1 公开号:CN111006606A 主分类号:G01B11/16
申请人:【中文】山东科技大学【EN】Shandong University of Science and Technology 申请日:2019.12.31 公开日:2020.04.14
摘要:【中文】本发明公开了一种基于光纤光栅传感的充填体变形在线监测系统及监测方法,涉及矿山充填体监测技术领域。其包括延长部、固定装置、基于光纤光栅传感的充填体横向位移测量装置、基于光纤光栅传感的充填体竖向位移测量装置、钢管、延长线、挡板、耦合器、光纤、矿用光缆、光纤光栅解调仪及计算机系统,基于光纤光栅传感的充填体横向位移测量装置沿水平方向布置,基于光纤光栅传感的充填体竖向位移测量装置沿竖直方向布置;在基于光纤光栅传感的充填体竖向位移测量装置的下方通过固定装置对其固定,在充填体竖向位移测量装置的上方安装延长部,并且使延长部的顶部接触待充填区域的顶板。本发明可实现对充填体横向变形和竖向变形的实时、在线远程监测。 【EN】The invention discloses a system and a method for monitoring the deformation of a filling body on line based on fiber bragg grating sensing, and relates to the technical field of mine filling body monitoring. The device comprises an extension part, a fixing device, a filling body transverse displacement measuring device based on fiber grating sensing, a filling body vertical displacement measuring device based on fiber grating sensing, a steel pipe, an extension line, a baffle, a coupler, an optical fiber, a mining optical cable, a fiber grating demodulator and a computer system, wherein the filling body transverse displacement measuring device based on fiber grating sensing is arranged along the horizontal direction, and the filling body vertical displacement measuring device based on fiber grating sensing is arranged along the vertical direction; the device is fixed below a filling body vertical displacement measuring device based on fiber bragg grating sensing through a fixing device, an extension part is installed above the filling body vertical displacement measuring device, and the top of the extension part is in contact with a top plate of an area to be filled. The invention can realize real-time, on-line remote monitoring of the transverse deformation and the vertical deformation of the filling body.
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