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申请号:201911268767.1 公开号:CN111177115A 主分类号:G06F16/21
摘要:【中文】本发明提供了一种数据预处理通用流程方法,包括:步骤1:定义数据结构到目标数据集合;步骤2:输入选择数据集合;步骤3:映射步骤2所输入的选择数据集合中的选择数据列,到步骤1所定义的目标数据集合中的目标数据列,获得相关的映射关系;步骤4:根据步骤3所获得的映射关系,确定目标数据集合中的每个目标数据列的计算方式;步骤5:根据步骤4所确定的计算方式,对选择数据列的数据进行粒度处理,并获得粒度处理后的选择数据。通过定义数据结构和相关映射,来提高处理流程的扩张性和灵活性。 【EN】The invention provides a general flow method for data preprocessing, which comprises the following steps: step 1: defining a data structure to a target data set; step 2: inputting a selection data set; and step 3: mapping the selected data columns in the selected data set input in the step 2 to the target data columns in the target data set defined in the step 1 to obtain a related mapping relation; and 4, step 4: determining a calculation mode of each target data column in the target data set according to the mapping relation obtained in the step 3; and 5: and 4, performing granularity processing on the data of the selected data column according to the calculation mode determined in the step 4, and obtaining the selected data after the granularity processing. The extensibility and flexibility of the process flow is improved by defining data structures and associated mappings.
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申请号:201911268762.9 公开号:CN111191879A 主分类号:G06Q10/06
摘要:【中文】本发明提供了一种综合评估的方法和系统,所述方法执行以下步骤:获取评估人员的评估预分析信息;获取评估人员自定义的评估指标体系;获取评估人员自定义的评估任务;根据所述评估人员自定义的评估指标体系和评估任务,对评估预分析信息进行评估计算,得到评估结果。根据本发明的方法,根据评估人员自定义的评估指标体系和评估任务,对评估预分析信息进行评估计算,得到评估结果,提高了评估人员的工作效率,提高评估方法的灵活性和便捷性,可为指标的分解分析、数据处理流程设计、数据导入、数据计算等功能提供通用方法。 【EN】The invention provides a method and a system for comprehensive evaluation, wherein the method comprises the following steps: acquiring evaluation pre-analysis information of an evaluator; acquiring an assessment index system defined by an evaluator; obtaining an evaluation task self-defined by an evaluator; and evaluating and calculating evaluation pre-analysis information according to the evaluation index system and the evaluation task customized by the evaluators to obtain an evaluation result. According to the method, evaluation calculation is carried out on the evaluation pre-analysis information according to the evaluation index system and the evaluation task customized by the evaluators to obtain the evaluation result, so that the working efficiency of the evaluators is improved, the flexibility and the convenience of the evaluation method are improved, and a universal method can be provided for the functions of index decomposition analysis, data processing flow design, data import, data calculation and the like.
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申请号:201810953391.7 公开号:CN110850137A 主分类号:G01R15/18
摘要:【中文】本发明涉及一种电子式互感器和数据处理方法,该电子式互感器包括穿心式电流传感器,穿心式电流传感器和同轴电容式电压传感器,以及设置于PCB式安装底板上的两个独立的采集器。当隔离开关操作时在GIS内部产生VFTO信号和/或VFTC信号串入常规信号,所述VFTO信号和/或VFTC信号通过穿心式电流传感器和同轴电容式电压传感器衰减抑制后传入采集器,通过采集器衰减抑制后的干扰信号再次进行采样和滤波,并将得到的品质有效数据输出。本发明基于穿心式传感器对VFTO信号和/或VFTC信号进行衰减抑制,再经由采集器的滤波处理,能有效解决在智能变电站中隔离开关操作引起的VFTO信号和/或VFTC信号对采样数据的破坏。 【EN】The invention relates to an electronic transformer and a data processing method. When the isolating switch operates, a VFTO signal and/or a VFTC signal is generated in the GIS and is connected in series with a conventional signal, the VFTO signal and/or the VFTC signal is transmitted into the collector after being attenuated and suppressed by the through-type current sensor and the coaxial capacitive voltage sensor, the interference signal subjected to attenuation and suppression by the collector is sampled and filtered again, and the obtained quality effective data is output. According to the invention, based on the feedthrough sensor, the attenuation inhibition is carried out on the VFTO signal and/or the VFTC signal, and then the filtering treatment of the collector is carried out, so that the problem that the VFTO signal and/or the VFTC signal damages the sampled data caused by the isolation switch operation in the intelligent substation can be effectively solved.
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申请号:201911269005.3 公开号:CN110867716A 主分类号:H01R43/28
摘要:【中文】本发明涉及电力用电线剥皮装置领域,尤其是涉及一种电力上用的电线剥皮装置及其使用方法,包括,上支撑固定架、下支撑固定架、连接光杆I、连接光杆II、上把手、下把手、切割组件、电线支撑座、转动轴承、调整螺杆,其中,连接光杆I及连接光杆II的下部端部设置于下支撑固定架上部位置且与下支撑固定架固定相连,本发明在具体使用过程中,能够通过安装于切皮刀安装座上部的缓冲弹簧,对切割工作过程中的切皮刀进行缓冲,从而避免了切皮刀与电线绝缘层内的金属线发生强烈接触的现象发生,防止了切皮刀在对电线绝缘层进行切割时对绝缘层内金属线的强烈切割破坏。 【EN】The invention relates to the field of wire stripping devices for electric power, in particular to a wire stripping device for electric power and a using method thereof, which comprises an upper supporting and fixing frame, a lower supporting and fixing frame, a connecting polished rod I, a connecting polished rod II, an upper handle, a lower handle, a cutting assembly, a wire supporting seat, a rotating bearing and an adjusting screw rod, wherein, the lower end parts of the connecting polished rod I and the connecting polished rod II are arranged at the upper part of the lower support fixing frame and are fixedly connected with the lower support fixing frame, the skin cutter in the cutting working process is buffered, so that the phenomenon that the skin cutter is in strong contact with a metal wire in the wire insulating layer is avoided, and the skin cutter is prevented from cutting and damaging the metal wire in the insulating layer when the wire insulating layer is cut.
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申请号:201911270996.7 公开号:CN110927527A 主分类号:G01R31/08
摘要:【中文】本发明提供一种基于暂态能量双通道及信息融合的瞬时性故障感知方法,采集电网历史数据,借助模糊聚类算法对历史数据进行数据融合分析,将历史特征样本划分为故障类与非故障类,同时采集被保护线路的实时数据,组成待测特征样本;度量待测特征样本与历史特征样本之间的相似程度,根据相似程度的高低将待测样本划归到故障类或者非故障类;然后,将历史特征样本视为高维空间中的一个确定点,样本中的特征量为相应的坐标值,建立高维故障特征空间;通过模糊聚类将待测样本置于该高维故障特征空间中与故障类、非故障类聚类中心进行比较,即可判定待测样本的属性,从而实现瞬时性故障灵敏感知。 【EN】The invention provides a transient fault sensing method based on transient energy double channels and information fusion, which comprises the steps of collecting historical data of a power grid, carrying out data fusion analysis on the historical data by means of a fuzzy clustering algorithm, dividing historical characteristic samples into fault classes and non-fault classes, and collecting real-time data of a protected line to form a characteristic sample to be detected; measuring the similarity degree between the characteristic sample to be detected and the historical characteristic sample, and classifying the sample to be detected into a fault class or a non-fault class according to the similarity degree; then, taking the historical characteristic sample as a determination point in a high-dimensional space, and establishing a high-dimensional fault characteristic space, wherein the characteristic quantity in the sample is a corresponding coordinate value; and the sample to be detected is placed in the high-dimensional fault characteristic space through fuzzy clustering and is compared with the fault class and non-fault class centers, so that the attribute of the sample to be detected can be judged, and the transient fault sensitive sensing is realized.
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申请号:201911316412.5 公开号:CN110988908A 主分类号:G01S17/89
摘要:【中文】一种滤光片光谱偏移对空间光学遥感器成像影响的定量分析方法涉及光学遥感技术领域,该方法包括如下步骤:设计或获取空间光学遥感器各谱段的谱段范围、中心波长及带宽的光谱特性参数;获取典型地物的地表反射率曲线;根据空间光学遥感器各谱段的光学特性参数和典型地物的地表反射率曲线,计算不同典型地物在空间光学遥感器各谱段光谱带宽范围的等效反射率;利用大气辐射传输模型模拟典型光照条件下不同典型地物等效反射率对应的空间光学遥感器入瞳处的太阳辐亮度;根据太阳辐射亮度和空间光学遥感器辐射转换模型,计算图像灰度值;对空间光学遥感器各谱段的中心波长或带宽进行偏移,计算不同地物分别对应的图像灰度响应偏差。 【EN】A quantitative analysis method for the influence of optical filter spectral shift on the imaging of a space optical remote sensor relates to the technical field of optical remote sensing, and comprises the following steps: designing or acquiring spectral characteristic parameters of spectral range, central wavelength and bandwidth of each spectral band of the space optical remote sensor; acquiring a surface reflectivity curve of a typical ground object; calculating equivalent reflectivities of different typical objects in spectral bandwidth ranges of the spectral bands of the space optical remote sensor according to the optical characteristic parameters of the spectral bands of the space optical remote sensor and the surface reflectivity curve of the typical object; simulating solar radiance at the entrance pupil of a space optical remote sensor corresponding to different typical equivalent reflectances under typical illumination conditions by using an atmospheric radiance transmission model; calculating an image gray value according to the solar radiation brightness and a radiation conversion model of the space optical remote sensor; and shifting the central wavelength or bandwidth of each spectral band of the space optical remote sensor, and calculating the image gray scale response deviation corresponding to different ground objects respectively.
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申请号:201911352167.3 公开号:CN111092834A 主分类号:H04L25/03
申请人:【中文】哈尔滨工程大学【EN】HARBIN ENGINEERING University 申请日:2019.12.25 公开日:2020.05.01
摘要:【中文】本发明涉及水声通信领域,具体涉及一种时反空时分组编码和自适应均衡联合的水声通信方法。基于传统的正交空时分组编码原理设计对应的时反空时分组编码;利用时反空时分组编码,将多个子载波上传输的码元序列分成若干子序列;将来自于不同子载波的已编码子序列进行滤波多音调制,将调制后的多个信号从不同的发射阵元发射;基于时反空时分组解码的原理,利用估计的信道响应及其时反形式构造解码矩阵,对滤波多音解调后的信号进行解码处理;利用估计的信道响应计算解码后组合信道中的多途影响的码元范围,以此为标准选择自适应均衡器的长度,对解码后的码元序列进行均衡。本发明降低接收端的硬件和计算复杂度,对FMT水声通信中的ISI实现良好抑制。 【EN】The invention relates to the field of underwater acoustic communication, in particular to an underwater acoustic communication method combining time reversal space-time block coding and self-adaptive equalization. Designing corresponding time reversal space-time block coding based on the traditional orthogonal space-time block coding principle; dividing a code element sequence transmitted on a plurality of subcarriers into a plurality of subsequences by utilizing time reversal space-time block coding; carrying out filtering multi-tone modulation on coded sub-sequences from different sub-carriers, and transmitting a plurality of modulated signals from different transmitting array elements; based on the principle of time reversal space-time block decoding, a decoding matrix is constructed by utilizing the estimated channel response and the time reversal form thereof, and the signals after filtering and multi-tone demodulation are decoded; and calculating the symbol range of multipath influence in the combined channel after decoding by using the estimated channel response, selecting the length of the adaptive equalizer by taking the symbol range as a standard, and equalizing the decoded symbol sequence. The invention reduces the hardware and the calculation complexity of the receiving end and realizes good suppression on ISI in FMT underwater acoustic communication.
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申请号:201911269915.1 公开号:CN110927624A 主分类号:G01R31/52
摘要:【中文】为解决现有技术中故障选线、选相准确率低的问题,本发明提供一种基于故障相电压相角调控的故障选相方法,其特征在于:向在配电网中性点处注入零序电流,主动调节零序电流的幅值、相位,同时采集中性点注入电流值及中性点电压值,通过判断所涉及故障特征相量的相角实现故障选相功能。本发明通过主动调节配电网中性点注入零序电流的幅值、相位,灵活调控故障相电压相量,同时采集中性点注入电流值及中性点电压值,即可通过判断所涉及故障特征相量的相角实现准确的故障选相功能,且可通过调节注入电流主动放大故障特征参数,增强故障选相方法的抗过渡电阻能力,提升故障选相精度。 【EN】In order to solve the problem of low accuracy of fault line selection and phase selection in the prior art, the invention provides a fault phase selection method based on fault phase voltage phase angle regulation, which is characterized in that: and injecting zero-sequence current to a neutral point of the power distribution network, actively adjusting the amplitude and the phase of the zero-sequence current, simultaneously acquiring the value of the current injected to the neutral point and the voltage value of the neutral point, and realizing the fault phase selection function by judging the phase angle of the related fault characteristic phasor. According to the invention, the amplitude and the phase of the zero sequence current injected into the neutral point of the power distribution network are actively adjusted, the phase voltage phasor of the fault phase is flexibly regulated and controlled, and the neutral point injected current value and the neutral point voltage value are simultaneously acquired, so that the accurate fault phase selection function can be realized by judging the phase angle of the related fault characteristic phasor, and the fault characteristic parameter can be actively amplified by adjusting the injected current, so that the transition resistance capability of the fault phase selection method is enhanced, and the fault phase selection precision is improved.
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申请号:201911277984.7 公开号:CN111044818A 主分类号:G01R31/00
摘要:【中文】一种电力容性设备带电检测方法,采用泄漏电流三次谐波补偿法检测MOV,得到MOV泄漏电流的情况;按照灰关联分析方法计算在不同环境条件下测得的泄漏电流值与外部环境因素之间的关联度;由以往的停电检测数据库中选取出各项对应测量数据,并通过智能诊断算法对上述数据进行处理,建立出状态评估数据模型;泄露电流带电检测;采用穿心式电流互感器获取电容性设备的末屏电流及避雷器接地电流,通过数值分析及故障诊断算法得出设备的电流特征信息;将得到的状态评估数据模型中对容性设备的状态进行评估,并与步骤四中的数据进行对比,形成全面的对比分析结果。该方法能提高容性设备的运维管理水平,能有效避免大面积停电事故的发生。 【EN】A power capacitive equipment live-line detection method adopts a leakage current third harmonic compensation method to detect MOV, and the condition of MOV leakage current is obtained; calculating the correlation degree between the leakage current value measured under different environmental conditions and the external environmental factors according to a grey correlation analysis method; selecting corresponding measurement data from a conventional power failure detection database, processing the data through an intelligent diagnosis algorithm, and establishing a state evaluation data model; detecting leakage current in a live manner; acquiring the end screen current and the arrester grounding current of capacitive equipment by adopting a straight-through current transformer, and obtaining the current characteristic information of the equipment through numerical analysis and a fault diagnosis algorithm; and evaluating the state of the capacitive equipment in the obtained state evaluation data model, and comparing the state of the capacitive equipment with the data in the step four to form a comprehensive comparative analysis result. The method can improve the operation and maintenance management level of the capacitive equipment and can effectively avoid large-area power failure accidents.
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申请号:202010165776.4 公开号:CN111275272A 主分类号:G06Q10/04
摘要:【中文】本申请公开了一种实时市场案例数据的校验方法及装置,其中方法包括:获取实时市场的案例数据,所述案例数据包括母线负荷预测参数、系统负荷预测参数、机组报价参数、机组供热参数、A类机组计划参数、联络线计划参数、平衡裕度参数、断面参数和可切负荷量参数;根据案例数据,结合预置校验规则与案例数据的对应关系,确定案例数据的校验规则;根据案例数据的校验规则,对案例数据进行校验,得到校验结果,从而解决了现有的通过人工核查案例数据,导致在案例数据量大时,核对校验工作需要耗费大量的人力物力,准确率低,且速度慢的技术问题。 【EN】The application discloses a method and a device for verifying real-time market case data, wherein the method comprises the following steps: acquiring case data of a real-time market, wherein the case data comprises bus load prediction parameters, system load prediction parameters, unit quotation parameters, unit heat supply parameters, A-type unit plan parameters, tie line plan parameters, balance margin parameters, section parameters and load capacity cuttable parameters; determining a calibration rule of the case data according to the case data by combining a corresponding relation between a preset calibration rule and the case data; according to the verification rule of the case data, the case data are verified to obtain the verification result, and therefore the technical problems that when the case data are manually verified in the prior art, a large amount of manpower and material resources are consumed for verification work, the accuracy is low, and the speed is low are solved.
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