摘要：【中文】一种船舶污底监测评估方法和评估系统，其首先采集船舶营运数据，包括船舶状态数据，然后对数据进行质量筛选，通过分析原始数据信号的平均值、最大最小值、标准差，去除数据波动较大低质量的数据，同时对航行风浪环境、船舶状态进行筛选，获取适合分析的数据；然后对筛选后的数据进行环境因素修正，修正风、浪、流和水温对船舶性能的影响，获得接近理想环境、但包含污底影响船舶性能数据；最后利用环境因素修正后的船舶性能数据，与船舶性能基准对比，对两者的差距进行分析拟合，得到评估结果，即污底造成的性能减低百分比值，当该值达到一定阈值，给出进坞清污建议。 【EN】A ship bottom pollution monitoring and evaluating method and system firstly collect ship operation data including ship state data, then perform quality screening on the data, remove the data with large data fluctuation and low quality by analyzing the average value, the maximum and minimum value and the standard deviation of original data signals, and simultaneously screen the navigation wind and wave environment and the ship state to obtain the data suitable for analysis; then, the screened data is corrected for environmental factors, and the influence of wind, waves, flow and water temperature on the ship performance is corrected, so that ship performance data which are close to an ideal environment and contain the influence of the bottom of a pollutant on the ship performance are obtained; and finally, comparing the ship performance data corrected by the environmental factors with a ship performance standard, analyzing and fitting the difference between the ship performance data and the ship performance standard to obtain an evaluation result, namely a performance reduction percentage value caused by fouling, and giving a docking decontamination suggestion when the value reaches a certain threshold value.

摘要：【中文】本发明提供一种变压器本体预应力减振装置及变压器，所述变压器包括壳体和设于所述壳体内的变压器电气本体；所述壳体的外壁平行设置数目大于1的加强筋；所述减振装置包括数目大于1的减振单元，减振单元分别设于所述加强筋表面、所述加强筋内和/或所述加强筋间的壳体外壁上；减振单元包括预应力筋、与所述预应力筋两端连接且用于固定其位置的固定件和与所述预应力筋中部连接且用于支撑其形态的支撑件。通过在变压器壳体的外壁设置刚度和质量较大的加强筋，限制了加强筋间壳体壁的振动，从而降低了噪声的产生；同时通过在变压器壳体的外壁加强筋上、加强筋内或加强筋间设置减振单元，进一步吸收消耗变压器内部产生的振动。 【EN】The invention provides a prestress vibration damper of a transformer body and a transformer, wherein the transformer comprises a shell and a transformer electric body arranged in the shell; the outer wall of the shell is provided with reinforcing ribs with the number larger than 1 in parallel; the vibration reduction device comprises vibration reduction units with the number larger than 1, and the vibration reduction units are respectively arranged on the surfaces of the reinforcing ribs, the interiors of the reinforcing ribs and/or the outer wall of the shell between the reinforcing ribs; the vibration reduction unit comprises a prestressed tendon, a fixing piece and a supporting piece, wherein the fixing piece is connected with two ends of the prestressed tendon and is used for fixing the position of the prestressed tendon, and the supporting piece is connected with the middle of the prestressed tendon and is used for supporting the shape of the prestressed tendon. The reinforcing ribs with higher rigidity and mass are arranged on the outer wall of the transformer shell, so that the vibration of the shell wall between the reinforcing ribs is limited, and the generation of noise is reduced; meanwhile, the vibration reduction units are arranged on the reinforcing ribs on the outer wall of the transformer shell, in the reinforcing ribs or between the reinforcing ribs, so that the vibration generated in the transformer is further absorbed and consumed.

摘要：【中文】本发明提供一种用于变压器的油阻尼减振装置及油浸式变压器，所述变压器包括箱体、填充于所述箱体内的绝缘油、浸泡于所述绝缘油内且与所述箱体固定连接的变压器电气本体；减振装置包括数目大于1且浸泡于所述绝缘油内的减振单元；所述减振单元包括同轴心设置的固定结构单元和移动结构单元以及用于连接所述固定结构单元和移动结构单元的阻尼弹簧；所述固定结构单元和所述移动结构单元相互贯穿且可于轴向相对运动；所述固定结构单元与所述箱体的侧壁连接且所述固定结构单元的轴向与所述变压器电气本体的线圈轴向垂直；所述移动结构单元用于减少所述变压器电气本体产生的振动对所述箱体侧壁的影响。所述减振装置能够降低变压器的噪声辐射。 【EN】The invention provides an oil damping vibration attenuation device for a transformer and an oil immersed transformer, wherein the transformer comprises a box body, insulating oil filled in the box body, and a transformer electric body which is soaked in the insulating oil and is fixedly connected with the box body; the vibration damping device comprises vibration damping units, the number of which is more than 1, and the vibration damping units are soaked in the insulating oil; the vibration reduction unit comprises a fixed structure unit and a movable structure unit which are coaxially arranged and a damping spring used for connecting the fixed structure unit and the movable structure unit; the fixed structure unit and the moving structure unit penetrate through each other and can move relatively in the axial direction; the fixed structure unit is connected with the side wall of the box body, and the axial direction of the fixed structure unit is vertical to the axial direction of the coil of the transformer electric body; the moving structure unit is used for reducing the influence of vibration generated by the electric body of the transformer on the side wall of the box body. The vibration damping device can reduce the noise radiation of the transformer.

摘要：【中文】本发明公开了一种船舶航速节能优化辅助方法，将整个航程根据转向点和航程进行等分；通过优化算法得出在安全完成航次任务前提及最低油耗下，各个分航段的船舶转速和完成时间；重复对上一级的各分航段再进行同样的等分，再次计算出下一级的各个分航段的船舶转速和完成时间；直至等分航段的距离缩短为一天内的航程为止，获得当前条件下，最后一级的各分航段的主机优化转速。本发明能够综合考虑航次计划、航区风浪流条件、船舶航行性能，以船舶航次燃油消耗最小化为目标，以船舶安全与航次时间为约束条件，通过全航程航行速度优化，给出适应船舶航行环境的最佳节能航态和各航段主机运行转速，实现船舶安全节能。 【EN】The invention discloses an energy-saving optimization auxiliary method for ship speed, which equally divides the whole voyage according to a steering point and the voyage; obtaining the ship rotating speed and the completion time of each sub-navigation section under the condition of the mentioned lowest oil consumption before safely completing the voyage mission through an optimization algorithm; repeating the same equal division of each sub-navigation section of the previous stage, and calculating the ship rotating speed and the completion time of each sub-navigation section of the next stage again; and obtaining the host machine optimized rotating speed of each final-stage branch flight section under the current condition until the distance of the equal branch flight sections is shortened to the flight distance in one day. The invention can comprehensively consider the voyage time plan, the storm flow conditions of the voyage area and the ship navigation performance, aims at minimizing the fuel oil consumption of the ship voyage time, takes the ship safety and the voyage time as constraint conditions, and provides the optimal energy-saving voyage state adapting to the ship navigation environment and the running rotating speed of the host of each voyage section through the full-voyage navigation speed optimization, thereby realizing the safety and energy saving of the ship.

摘要：【中文】本发明公开的一种基于声振结合的变压器噪声源定位方法、系统和装置，根据振动信号和声波信号，分别通过时延估计噪声源定位算法、延时求和波束形成噪声源定位算法和基于遗传MUSIC噪声源定位算法，分别计算噪声源的三个方位角，本发明结合声音信号和振动信号的优点，以受外界干扰较小的振动信号作为变压器噪声源定位的基准触发信号，通过噪声阵列传感器采集声音信号，综合采用多种定位算法对噪声源进行定位，不仅能准确估计时延、确定噪声源的位置，提高定位精度，还能提高变压器噪声检测水准，更加有效的利用噪声信号评估变压器的运行状态，确保变压器的安全稳定运行。 【EN】The invention discloses a method, a system and a device for positioning a transformer noise source based on sound and vibration combination, according to the vibration signal and the sound wave signal, respectively calculating three azimuth angles of the noise source by a time delay estimation noise source positioning algorithm, a time delay summation beam forming noise source positioning algorithm and a genetic MUSIC-based noise source positioning algorithm, the vibration signal with less interference from the outside is used as the reference trigger signal for positioning the noise source of the transformer, the noise array sensor is used for collecting sound signals, various positioning algorithms are comprehensively adopted for positioning the noise sources, time delay can be accurately estimated, the positions of the noise sources can be determined, positioning accuracy is improved, the noise detection level of the transformer can be improved, the running state of the transformer can be evaluated by using the noise signals more effectively, and safe and stable running of the transformer is ensured.

摘要：【中文】本发明提出一种基于量子遗传算法的传声器阵列布置优化方法，通过对平面均匀矩形阵列布置的传声器阵列进行编码，然后构造染色体进行种群初始化，并测量每个种群个体，个体根据给定概率坍缩成基础态，进一步计算个体的适应度，以方向图中功率下降3dB的等高线所围面积S为约束条件建立适应度函数进行计算，记录最优个体和对应的适应度，并采用量子旋转门的方式来进行种群的进化与更新，重复迭代直到达到终止条件，得到最优解。本发明的优化方法采用量子比特的编码方式，种群多样性较传统遗传算法大大增加，由于通过量子旋转门来实现种群的更新进化，省去了传统遗传算法中交叉变异的环节，从而具有达到最优解的迭代次数更少、收敛精度更高的优点。 【EN】The invention provides a microphone array arrangement optimization method based on a quantum genetic algorithm, which comprises the steps of coding a microphone array arranged in a plane uniform rectangular array, constructing a chromosome to carry out population initialization, measuring each population individual, collapsing the individual into a basic state according to a given probability, further calculating the fitness of the individual, establishing a fitness function by taking the area S surrounded by contour lines with power reduced by 3dB in a graph as a constraint condition to carry out calculation, recording the optimal individual and the corresponding fitness, carrying out population evolution and updating by adopting a quantum revolving door mode, and repeating iteration until a termination condition is reached to obtain an optimal solution. The optimization method adopts a quantum bit coding mode, the population diversity is greatly increased compared with the traditional genetic algorithm, and the updating and evolution of the population are realized through the quantum revolving door, so that the link of cross variation in the traditional genetic algorithm is omitted, and the optimization method has the advantages of less iteration times and higher convergence precision for achieving the optimal solution.

摘要：【中文】本发明涉及智能变电站主子站间数据传输方法，包括如下步骤：S1主子站间建立配置、数据传输通道；S2主站通过配置通道获取子站的CFG‑1配置文件，并编辑选择所需的稳态数据和动态数据形成CFG‑2配置文件，后将CFG‑2配置文件再通过配置通道下发到子站；S3、主站通过数据传输通道向子站发送启动实时数据传输命令；S4、子站根据所接收到的CFG‑2配置文件，通过数据传输通道定时向主站发送稳态实时数据和动态实时数据。本发明通过配置通道对子站稳态数据和动态数据进行配置，并通过数据传输通道上送至主站，实现了电力系统主子站间稳态数据和动态数据的统一采集和一体化传输，极大地提高了数据传输效率。 【EN】The invention relates to a method for transmitting data between a main station and a sub-station of an intelligent substation, which comprises the following steps: s1, establishing a configuration and data transmission channel between the main station and the sub station; s2, the main station acquires the CFG-1 configuration file of the substation through the configuration channel, edits and selects the required steady-state data and dynamic data to form a CFG-2 configuration file, and then transmits the CFG-2 configuration file to the substation through the configuration channel; s3, the master station sends a real-time data transmission starting command to the substation through the data transmission channel; and S4, the substation sends the steady-state real-time data and the dynamic real-time data to the main station at regular time through the data transmission channel according to the received CFG-2 configuration file. The invention configures the steady state data and the dynamic data of the sub-station through the configuration channel and transmits the data to the main station through the data transmission channel, thereby realizing the uniform acquisition and the integrated transmission of the steady state data and the dynamic data between the main station and the sub-station of the power system and greatly improving the data transmission efficiency.