摘要：【中文】本发明公开了一种网络流量异常检测方法，对网络空间安全态势的量化表达包括如下步骤：(1)流量特征采集与态势特征指标提取；(2)面向态势特征的自适应学习与异常分析；(3)网络异常态势检测与告警。本发明通过网络边界流量采集与特征刻画指标体系的方式实现，该方法从网络流量中连续不断地实时挖掘多个维度特征指标、实时刻画网络空间及其流量特征，一方面可保证网络态势实时或准实时的监控、预警、应急响应需求，另一方面可以通过少量的日志规模，实现对网络流量特征的细粒度刻画，为后续的流量异常分析检测、安全预警提供优质的基础信息来源；在实时性、刻画精确性、数据规模、数据优质性方面，与传统方法相比具有明显优势。 【EN】The invention discloses a method for detecting network flow abnormity, which comprises the following steps of: (1) collecting flow characteristics and extracting situation characteristic indexes; (2) self-adaptive learning and anomaly analysis facing to situation characteristics; (3) and detecting and alarming the network abnormal situation. The method is realized by a network boundary flow acquisition and characteristic depiction index system, and multiple dimension characteristic indexes are continuously mined from network flow in real time, and network space and flow characteristics thereof are depicted in real time, so that the requirements of real-time or quasi-real-time monitoring, early warning and emergency response of network situation can be guaranteed, fine-grained depiction of network flow characteristics can be realized through a small amount of log scale, and a high-quality basic information source is provided for subsequent flow abnormity analysis detection and safety early warning; compared with the traditional method, the method has obvious advantages in the aspects of real-time performance, description accuracy, data scale and data goodness.

摘要：【中文】本发明公开了一种双轴励磁调相机无功功率的稳态控制方法，在转子的d轴和q轴上均设有励磁绕组，d轴和q轴上励磁绕组的轴线相互垂直，d轴和q轴绕组分别通入励磁电流I_fd和I_fq；确定调相机初始状态；对比机端电压U与参考电压Ur的大小，判断调相机所处的运行区域，所述运行区域包括区域I、区域II、区域III或空载运行；通过维持q轴励磁磁动势恒定的输出量，调节d轴励磁绕组上I_fd大小或方向，改变无功功率大小。本发明提供的双轴励磁调相机控制方法使得电动势的变化区间更灵活，在保持稳定的有功功率消耗的情况下，可以大量地吸收无功功率，在保证同步调相机稳定运行的条件下，最大限度的提高其进相运行能力。 【EN】The invention discloses a steady-state control method for reactive power of a double-shaft excitation phase modulator_fdAnd I_fq(ii) a Determining an initial state of a phase modulator; comparing the terminal voltage U with the reference voltage Ur, and judging the operation area of the phase modulator, wherein the operation area comprises an area I, an area II, an area III or no-load operation; regulating I on d-axis excitation winding by maintaining constant output of q-axis excitation magnetomotive force_fdAnd the magnitude or direction of the reactive power is changed. The control method of the double-shaft excitation phase modifier provided by the invention enables the variation interval of electromotive force to be more flexible, can absorb a large amount of reactive power under the condition of keeping stable active power consumption, and improves the phase advancing operation capability of the synchronous phase modifier to the maximum extent under the condition of ensuring the stable operation of the synchronous phase modifier.

摘要：【中文】本发明公开一种长空气间隙放电通道温度场测量系统，包括背景幕布，由半透明材质打印而成，分布有随机斑点，作为高速相机的观测对象；射灯，与长间隙电极分别位于背景幕布的两侧，用于提供光源，使背景幕布成像于高速相机；长间隙电极，位于长空气间隙内，用于放电击穿长空气间隙；高速相机，与长间隙电极位于背景幕布的同侧，与数据处理器相连，用于接收来自背景斑点、穿过长空气间隙的光线，并成像后发送至数据处理器；数据处理器，用于接收并存储高速相机拍摄的图像，并进行温度场反演。本发明能够改进现有技术的不足，简化了测量流程，可以快速、精确的获得大尺寸放电通道的温度分布特性。 【EN】The invention discloses a long air gap discharge channel temperature field measuring system, which comprises a background curtain, a high-speed camera and a temperature sensor, wherein the background curtain is printed by a semitransparent material, and random spots are distributed on the background curtain and are used as observation objects of the high-speed camera; the spot light and the long gap electrode are respectively positioned at two sides of the background curtain and are used for providing a light source to enable the background curtain to be imaged on the high-speed camera; the long gap electrode is positioned in the long air gap and used for discharging and breaking down the long air gap; the high-speed camera and the long gap electrode are positioned on the same side of the background curtain, are connected with the data processor, and are used for receiving light rays from the background spots and penetrating through the long air gap, imaging the light rays and then sending the imaged light rays to the data processor; and the data processor is used for receiving and storing the images shot by the high-speed camera and carrying out temperature field inversion. The invention can improve the defects of the prior art, simplifies the measurement process, and can quickly and accurately obtain the temperature distribution characteristic of the large-size discharge channel.

摘要：【中文】本发明公开了属于含UPFC线路保护技术领域的一种适用于UPFC接入的工频变化量方向保护改进方法。继电保护装置配置在UPFC所在线路的首端，同时在线路首端接入电流互感器(TA),分别在线路首端P测点和UPFC串联变压器右侧出口L测点接入电压互感器(PT)，分别求取故障时两测点正序突变量阻抗相角；并计算P测点与L测点正序突变量阻抗相角分别对应的正方向动作区隶属度函数λ₁、λ₂和反方向动作区隶属度函数λ₃、λ₄，求取综合隶属度函数μ,通过判断μ与阈值η的大小关系，实现工频变化量方向元件能正确判别正反向故障。该方法简单易行且投资较少，可有效解决工频变化量方向保护因UPFC存在而引起的则工频变化量方向元件误动问题。 【EN】The invention discloses a power frequency variable direction protection improvement method suitable for UPFC access, belonging to the technical field of UPFC-containing line protection. The relay protection device is configured at the head end of a circuit where the UPFC is located, a current Transformer (TA) is connected to the head end of the circuit, a voltage transformer (PT) is connected to a P measuring point at the head end of the circuit and an L measuring point at the right side outlet of the series transformer of the UPFC, and positive sequence sudden change variable impedance phase angles of two measuring points during fault are respectively obtained; and calculating the membership function lambda of the positive direction action region corresponding to the positive sequence mutation impedance phase angle of the P measuring point and the L measuring point respectively₁、λ₂And the membership function lambda of the action area in the opposite direction₃、λ₄The method is simple and easy to implement, has less investment, and can effectively solve the problem of power frequency variation caused by the existence of UPFC in power frequency variation direction protectionThe problem of the malfunction of the component in the measuring direction.

摘要：【中文】本发明公开了一种基于分压法的特高压变压器直流偏磁等效试验方法及系统。该方法包括：确定等效缩比模型的铁芯有效面积，确定等效缩比模型的绕组匝数；计算串联绕组圆环半径、公共绕组圆环半径和低压侧绕组圆环半径；确定串联绕组电阻、公共绕组电阻和低压侧绕组电阻；计算负载运行时线圈电阻的电压；将变压器绕组两侧电压与负载运行时线圈电阻的电压做差，得到更新后的变压器绕组两侧电压；更新等效缩比模型的绕组匝数，生成特高压变压器的等效缩比模型；根据生成的特高压变压器的等效缩比模型进行特高压变压器的等效直流偏磁试验，得到励磁电流‑磁场强度‑直流偏置电流之间的对应关系。采用本发明的方法及系统，能够节约大量时间和实验费用。 【EN】The invention discloses an extra-high voltage transformer direct current magnetic bias equivalent test method and system based on a voltage division method. The method comprises the following steps: determining the effective area of an iron core of the equivalent scaling model, and determining the number of turns of a winding of the equivalent scaling model; calculating the radius of a series winding ring, the radius of a common winding ring and the radius of a low-voltage side winding ring; determining a series winding resistance, a common winding resistance and a low-voltage side winding resistance; calculating the voltage of the coil resistor when the load operates; the voltage at the two sides of the transformer winding is differenced with the voltage of the coil resistor when the load operates, so that the updated voltage at the two sides of the transformer winding is obtained; updating the number of winding turns of the equivalent scaling model to generate the equivalent scaling model of the extra-high voltage transformer; and performing an equivalent direct-current magnetic biasing test on the extra-high voltage transformer according to the generated equivalent scaling model of the extra-high voltage transformer to obtain a corresponding relation between the exciting current, the magnetic field intensity and the direct-current bias current. By adopting the method and the system, a great deal of time and experiment cost can be saved.

摘要：【中文】本发明是一种基于P2P平台的风光抽蓄混合系统的联合调度方法。根据提出的一种系统优化场景为在一局部区域中建有风电、光伏发电和抽水蓄能电站，研究一种以混合能源系统效益最大为优化目标的调度模型。本发明依靠风光机组自身的互补特性，在一定范围内控制其实际出力接近预测曲线，剩下的调节不足量再由储能设备解决。本发明涉及抽水蓄能电站与风光系统的联合，减小风光配置储能设备的成本和应用蓄能电池带来的污染。本发明考虑了分布式资源的就地消纳，基于P2P电能交易方式，实现功率就近平衡，提高联合系统的经济效益。 【EN】The invention discloses a combined scheduling method of a wind-solar pumped storage hybrid system based on a P2P platform. According to the proposed system optimization scene, a wind power station, a photovoltaic power generation station and a pumped storage power station are built in a local area, and a scheduling model with the maximum benefit of a hybrid energy system as an optimization target is researched. The invention controls the actual output to be close to the prediction curve in a certain range by depending on the self complementary characteristic of the wind-solar set, and the remaining insufficient regulation is solved by the energy storage device. The invention relates to the combination of a pumped storage power station and a wind and light system, which reduces the cost of wind and light configuration energy storage equipment and pollution caused by application of energy storage batteries. The invention considers local consumption of distributed resources, realizes near power balance based on a P2P electric energy transaction mode, and improves the economic benefit of a combined system.

摘要：【中文】本发明公开了一种动态电流偏差控制的连续换相失败抑制方法及系统，所述方法包括：实时采集逆变侧换流母线三相电压每一相的幅值；根据预设规则以及三相电压每一相的幅值，计算获得换流母线的电压跌落值；根据电压跌落值以及预设的电流偏差控制函数模板，确定电流偏差控制曲线；根据电流偏差控制曲线按预设规则对熄弧角进行实时调节；所述方法及系统依据熄弧角增量会随电流偏差控制斜升函数斜率的变化而改变这一关联性，通过动态电流偏差控制，实现对熄弧角的实时调节，有效降低直流系统连续换相失败发生概率，改善直流系统运行特性；所述方法及系统易实现，无需配备额外的辅助设备也无需改造换流器等其他补充投入，具有较强的工程实用价值。 【EN】The invention discloses a continuous commutation failure suppression method and a continuous commutation failure suppression system for dynamic current deviation control, wherein the method comprises the following steps: acquiring the amplitude of each phase of three-phase voltage of an inversion side converter bus in real time; calculating to obtain a voltage drop value of the current conversion bus according to a preset rule and the amplitude value of each phase of the three-phase voltage; determining a current deviation control curve according to the voltage drop value and a preset current deviation control function template; adjusting the arc extinguishing angle in real time according to a preset rule according to the current deviation control curve; the method and the system change the relevance according to the fact that the arc-quenching angle increment can change along with the change of the slope of the current deviation control ramp function, realize the real-time adjustment of the arc-quenching angle through the dynamic current deviation control, effectively reduce the occurrence probability of continuous commutation failure of the direct current system, and improve the running characteristic of the direct current system; the method and the system are easy to realize, do not need to be provided with additional auxiliary equipment, do not need to modify converters and other supplementary input, and have strong engineering practical value.

摘要：【中文】本发明提供一种角钢输电塔风荷载体型系数计算方法及系统，基于预先构建的角钢输电塔节段足尺风洞试验模型，确定角钢塔架的背风面风荷载降低系数；基于预先建立的角钢构件在各风向角下的体型系数库，获得角钢输电塔节段迎风面单片桁架风荷载体型系数，并采用法向风夹角调整系数对角钢输电塔节段迎风面单片桁架风荷载体型系数进行修正；根据修正后的角钢输电塔节段迎风面单片桁架风荷载体型系数和角钢塔架的背风面风荷载降低系数，计算角钢塔架的风荷载体型系数。上述方案应用前景广阔，计算精度高，为准确计算角钢输电塔风荷载提供了参考和依据。 【EN】The invention provides a method and a system for calculating wind load body type coefficients of an angle steel power transmission tower, wherein a leeward side wind load reduction coefficient of an angle steel tower is determined based on a pre-constructed angle steel power transmission tower segment full-scale wind tunnel test model; obtaining the wind load size coefficient of the single-sheet truss on the windward side of the angle steel power transmission tower segment based on a pre-established size coefficient library of the angle steel component under each wind direction angle, and correcting the wind load size coefficient of the single-sheet truss on the windward side of the angle steel power transmission tower segment by adopting a normal wind included angle adjustment coefficient; and calculating the wind load shape coefficient of the angle steel tower according to the corrected wind load shape coefficient of the single-sheet truss on the windward side of the angle steel power transmission tower segment and the wind load reduction coefficient of the leeward side of the angle steel tower. The scheme has wide application prospect and high calculation precision, and provides reference and basis for accurately calculating the wind load of the angle steel power transmission tower.

摘要：【中文】本申请涉及一种储能参与电网AGC调节的运行效果评估方法和系统，通过针对不同储能联合调频系统，计算发电侧、电网侧和社会侧的收益和储能侧收益；并通过计算指标综合权重获取储能联合调频系统的综合效益，再比较不同数量的综合效益值，即可确定使用最优的配置情况。本申请的储能参与电网AGC调节的运行效果评估方法和系统具有良好的可操作性，能够量化效益指标，为优化操作提供科学参考。 【EN】The application relates to a method and a system for evaluating the operation effect of energy storage participation power grid AGC (automatic gain control), which are used for calculating the profits of a power generation side, a power grid side and a social side and the profits of an energy storage side by aiming at different energy storage combined frequency modulation systems; and the comprehensive benefits of the energy storage combined frequency modulation system are obtained by calculating the comprehensive weight of the index, and the optimal configuration condition can be determined by comparing the comprehensive benefit values with different quantities. The method and the system for evaluating the operation effect of the energy storage participating in the power grid AGC adjustment have good operability, can quantify benefit indexes, and provide scientific reference for optimizing operation.

摘要：【中文】本发明公开了一种基于FPGA控制通信的装置及方法，并且更具体地，涉及信息通信技术领域。本发明装置包括：第一信号采集模块，第二信号采集模块，电流检测模块，电压检测模块，接口模块，设备数据库，处理器，所述处理器接收到匹配成功信息后，对通信设备和通信过程进行状态监测并获取监测信息，读入通信设备通信配置文件，按照配置约定的数据量、数据类型和通信协议与电力全数字实时仿真系统和通信设备实时交互数据，完成通信报文格式转换和交互数据的数值计算。本发明结构简单，相较于集成电路成本低廉，能够与不同通信类设备连接工作，并将不同设备进行分类、匹配，运行方便；本发明采用FPGA硬件编程语言实现，比服务器加软件模式计算速度快，安全性能高。 【EN】The invention discloses a device and a method for controlling communication based on an FPGA (field programmable gate array), and more particularly relates to the technical field of information communication. The device of the invention comprises: the system comprises a first signal acquisition module, a second signal acquisition module, a current detection module, a voltage detection module, an interface module, an equipment database and a processor, wherein the processor monitors the state of the communication equipment and the communication process and acquires monitoring information after receiving matching success information, reads a communication configuration file of the communication equipment, interacts data with an electric power all-digital real-time simulation system and the communication equipment in real time according to the data volume, the data type and the communication protocol appointed by configuration, and completes the format conversion of communication messages and the numerical calculation of the interaction data. The invention has simple structure, low cost compared with an integrated circuit, can be connected with different communication equipment for working, classifies and matches the different equipment, and is convenient to operate; the invention is realized by adopting FPGA hardware programming language, has higher calculation speed and higher safety performance than a server plus software mode.