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    • 121. 发明申请
    • SYSTEME DE MAINTIEN ET ENSEMBLE DE CAPTEUR UHF
    • 保持系统和UHF传感器组件
    • WO2017097710A1
    • 2017-06-15
    • PCT/EP2016/079768
    • 2016-12-05
    • GENERAL ELECTRIC TECHNOLOGY GMBH
    • MAUFFREY, ThibautFAUCONNET, GillesVUACHET, Jacques
    • H02B13/065
    • H02B13/065
    • L'invention concerne un système de maintien (10) d'un capteur ultra haute fréquence (UHF)(140) sur un hublot (6) de poste électrique (1) à haute tension. Le système de maintien (10) comporte au moins un élément de fixation, destiné à être fixé sur le poste électrique (1) en regard du support (5); une pièce de maintien de capteur UHF (140) configurée pour loger au moins partiellementle capteur UHF (140), la piècede maintien étant en outre configurée pour être placée dans une ouverture (119) de l'élément de fixation; et au moins unpremierorgane de verrouillage (130) configuré pour permettre un verrouillage manuel en position de la pièce de maintien(120)dans l'orifice (119) de l'élément de fixation(110).L'invention concerne en outre un ensemble de capteurs UHF, un poste électrique(1)et un procédé de fixation d'un capteur UHF (140) sur un hublot(6)de poste électrique(1).
    • 本发明涉及一种用于在电站(1)的窗口(6)上维护(10)超高频(UHF)传感器(140)的系统。 à 高电压。 保持系统(10)具有至少一个用作保持装置(10)的紧固元件。 À Ê被固定é 在面向支撑件(5)的电站(1)上; UHF传感器保持夹具(140),所述UHF传感器保持夹具(140)构造成至少部分地容纳所述UHF传感器(140),所述保持构件进一步构造成放置在所述UHF传感器 紧固元件的一部分; 和至少一个第一锁定构件(130) 用于允许手动锁定固定元件(110)的开口(119)中的保持支架(120)的位置。本发明还涉及一组UHF传感器, 一个电气工作站(1)和一个过程; 用于将UHF传感器(140)固定在电动门(6)(1)上。
    • 122. 发明申请
    • IMPROVEMENTS IN OR RELATING TO CONVERTERS
    • 与转换器有关的改进或与转换器有关的改进
    • WO2017093083A1
    • 2017-06-08
    • PCT/EP2016/078472
    • 2016-11-22
    • GENERAL ELECTRIC TECHNOLOGY GMBH
    • DEPREVILLE, GuillaumeBREHAUT, Stephane
    • H02M1/32H02J3/36H02M7/483H02M1/00
    • H02M7/483H02J3/36H02M1/32H02M2001/0009H02M2001/325H02M2007/4835Y02E60/60
    • In the field of high voltage direct current (HVDC) power transmission and distribution there is provided a converter (10; 100) which comprises first and second DC terminals (12, 14) for connection to a DC electrical network (16) and between which extends a plurality of converter limbs (18A, 18B, 18C). Each converter limb (18A, 18B, 18C) includes first and second limb portions (20A, 22A, 20B, 22B, 20C, 22C) that are separated by an AC terminal (24A, 24B, 24C) for connection to a respective phase (A, B, C) of a multi-phase AC electrical network (26). Each limb portion (20A, 20B, 20C, 22A, 22B, 22C) includes a current sensor (28) to measure current flowing in the corresponding limb portion(20A, 20B, 20C, 22A, 22B, 22C). The converter (10; 100) also includes a plurality of further current sensors (28), located elsewhere in the converter, and a current sensor management unit (30; 130). The current sensor management unit (30; 130) is programmed to: (a) receive a measured current value (i ΤΑ , i ΒΑ , i ΤΒ , i ΒΒ , i TC , i BC , i DCT , i DCB , i phaseA , i phaseB , i phaseC ) from each current sensor (28); (b) identify at least one faulty current sensor (28', 28") from the received measured current values (i ΤΑ , i ΒΑ , i ΤΒ, i ΒΒ , i TC , i BC ,i DCT , i DCB , i phaseA , i phaseB , i phaseC ); and (c) replace the measured current value (iphaseA, iphaseB) of the or each identified faulty current sensor (28', 28") with a calculated current value (i P hase A_ Calc , i PhaseB_Calc ).
    • 在高压直流(HVDC)电力传输和分配的领域中,提供了一种转换器(10; 100),其包括用于连接到DC的第一和第二DC端子(12,14) 电网(16),并且其间延伸有多个转换器分支(18A,18B,18C)。 每个转换器支路(18A,18B,18C)包括由AC端子(24A,24B,24C)分隔的第一和第二支路部分(20A,22A,20B,22B,20C,22C),用于连接到相应的相 A,B,C)的多相AC电网(26)。 每个肢体部分(20A,20B,20C,22A,22B,22C)包括电流传感器(28)以测量在相应的肢体部分(20A,20B,20C,22A,22B,22C)中流动的电流。 转换器(10; 100)还包括位于转换器中其他位置的多个另外的电流传感器(28)以及电流传感器管理单元(30; 130)。 所述电流传感器管理单元(30; 130)被编程为:(a)接收测量的电流值(i TA,i BB,i TBB) iBB,i TC,i BC,i DCT,i DCB,iBB, ,来自每个电流传感器(28)的相位(相位A),相位A(phaseB),相位C(C相位)。 (b)从所接收的测量电流值(i TA,i BB,i TB,i)中识别至少一个故障电流传感器(28',28“ iBB,i TC,i BC,i DCT,i DCB, / sub>,i phaseA ,i phaseB ,i phaseC ); 和(c)用所计算的电流值(i P)来替换所识别的或每个识别的故障电流传感器(28',28“)的测量的电流值(iphaseA,iphaseB) sub> A Calc ,i PhaseB_Calc )。
    • 123. 发明申请
    • AN INTELLIGENT ASSESSMENT METHOD OF MAIN INSULATION CONDITION OF TRANSFORMER OIL PAPER INSULATION
    • 变压器油纸绝缘主绝缘状况的智能评估方法
    • WO2017091966A1
    • 2017-06-08
    • PCT/CN2015/096085
    • 2015-12-01
    • GENERAL ELECTRIC TECHNOLOGY GMBHLV, Yandong
    • LV, YandongYANG, LijunLIAO, RuijinGAO, JunLIU, XiaoCOULIBALY, Mamadou-LamineLUNA, Gilbert
    • G01R31/00
    • G01R31/1263G01R31/027H01F27/12H02K3/40
    • The invention provides an intelligent assessment method of main insulation condition of transformer oil paper insulation, comprising : establishing at least one standard states; for each standard state, performing accelerated thermal aging tests on a plurality of samples to place the samples in the standard state, wherein each of the plurality of samples undergoes the accelerated thermal aging tests for different time periods; extracting time and frequency domain characteristic parameters of each of the plurality of samples; forming a feature vector using the time and frequency domain characteristic parameters of each sample, and forming a knowledge base from feature vectors of all samples; training a classifier by using the feature vectors of the knowledge base; and assessing the main insulation condition by using the trained classifier. The intelligent assessment method of the invention considers insulation geometry, temperature and oil of transformer, and thus is suitable for field assessment of different voltage grades of oil-immersed transformer insulation condition.
    • 本发明提供了一种变压器油纸绝缘主绝缘状态的智能评估方法,包括:建立至少一个标准状态; 对于每个标准状态,对多个样品执行加速热老化测试以将样品置于标准状态,其中多个样品中的每一个在不同时间段内经历加速热老化测试; 提取所述多个样本中的每一个的时域和频域特征参数; 使用每个样本的时域和频域特征参数形成特征向量,并从所有样本的特征向量形成知识库; 通过使用知识库的特征向量来训练分类器; 并使用经过训练的分类器评估主要绝缘状况。 本发明的智能评估方法考虑变压器的绝缘几何形状,温度和油量,因此适用于不同电压等级的油浸变压器绝缘状况的现场评估。
    • 125. 发明申请
    • MERCURY CONTROL IN A SEAWATER FLUE GAS DESULFURIZATION SYSTEM
    • 海水淡化气体脱硫系统中的汞控制
    • WO2017046155A1
    • 2017-03-23
    • PCT/EP2016/071678
    • 2016-09-14
    • GENERAL ELECTRIC TECHNOLOGY GMBH
    • NILSSON, Peter, Lars
    • B01D53/34B01D53/50B01D53/64F23J15/04
    • B01D53/507B01D53/30B01D53/346B01D53/64B01D2251/102B01D2252/1035B01D2257/602B01D2258/0283F23J15/04
    • A method for controlling mercury release, emission and/or re-emission levels in a treated flue gas and a seawater effluent waste stream through control of a sulphite concentration within a seawater scrubber system is disclosed. One method for controlling mercury release, emission and re-emission levels through control of sulphite concentration is to measure the sulphite concentration of seawater entering a seawater scrubber system and comparing the same to a predetermined sulphite concentration value. If the comparison reveals the measured sulphite concentration is above the predetermined sulphite concentration values, the amount of fresh seawater and/or oxidation air supplied to the seawater scrubber system is increased. If the comparison reveals the measured sulphite concentration is below the predetermined sulphite concentration values, the amount of fresh seawater and oxidation air supplied to the seawater scrubber system is decreased.
    • 公开了一种通过控制海水洗涤器系统中的亚硫酸盐浓度来控制经处理的烟道气和海水废气流中的汞释放,排放和/或再排放水平的方法。 通过控制亚硫酸盐浓度控制汞释放,排放和再排放水平的一种方法是测量进入海水洗涤器系统的海水的亚硫酸盐浓度并将其与预定的亚硫酸盐浓度值进行比较。 如果比较显示测得的亚硫酸盐浓度高于预定的亚硫酸盐浓度值,则提供给海水洗涤器系统的新鲜海水和/或氧化空气的量增加。 如果比较显示测得的亚硫酸盐浓度低于预定的亚硫酸盐浓度值,则提供给海水洗涤器系统的新鲜海水和氧化空气的量减少。
    • 126. 发明申请
    • VOLTAGE SOURCE CONVERTER
    • 电压源转换器
    • WO2017029171A1
    • 2017-02-23
    • PCT/EP2016/069062
    • 2016-08-10
    • GENERAL ELECTRIC TECHNOLOGY GMBH
    • MORENO MUÑOZ, Francisco, JoseBRIFF, Pablo
    • H02M7/483
    • H02M7/483H02M2007/4835
    • There is provided a voltage source converter (30) comprising: a plurality of terminals (32, 34, 42); a plurality of switching elements and a plurality of energy storage devices connected between the plurality of terminals (32, 34, 42), each energy storage device for storing and releasing energy to provide a voltage, the plurality of switching elements arranged to be switchable to control flow of current through each energy storage device; and a controller (62) programmed to operate in an energy regulation mode to: (i) designate one or more of the plurality of energy storage devices as a or a respective first energy storage device, and designate one or more other of the plurality of energy storage devices as a or a respective second energy storage device; (ii) determine the amount of energy required to be absorbed or released by the or each first energy storage device to move towards or reach a target energy level; (iii) control the switching of the plurality of switching elements to force a current to flow through the or each second energy storage device so as to store a buffer of energy in the or each second energy storage device or release energy to provide energy storage capacity in the or each second energy storage device, wherein the stored buffer of energy or the provided energy storage capacity in the or each second energy storage device corresponds to the determined amount of energy required to be absorbed or released by the or each first energy storage device; and (iv) control the switching of the plurality of switching elements to force a common current to flow through the first and second energy storage devices so as to: transfer the stored buffer of energy from the or each second energy storage device to the or each first energy storage device; or transfer energy from the or each first energy storage device to the provided energy storage capacity of the or each second energy storage device.
    • 提供了一种电压源转换器(30),包括:多个端子(32,34,42); 多个开关元件和连接在所述多个端子(32,34,42)之间的多个能量存储装置,每个能量存储装置用于存储和释放能量以提供电压,所述多个开关元件被布置成可切换到 控制通过每个能量存储装置的电流流动; 以及控制器(62),其被编程为以能量调节模式操作以:(i)将所述多个能量存储装置中的一个或多个指定为相应的第一能量存储装置,并且指定所述多个能量存储装置中的一个或多个 能量存储装置作为或相应的第二能量存储装置; (ii)确定由所述或每个第一能量储存装置吸收或释放以朝向或达到目标能量水平所需的能量的量; (iii)控制所述多个开关元件的切换以迫使电流流过所述或每个第二能量存储装置,以便在所述或每个第二能量存储装置中存储能量缓冲器或释放能量以提供能量存储容量 在所述或每个第二能量存储装置中,其中所存储的能量缓冲器或所述或每个第二能量存储装置中提供的能量存储容量对应于由所述或每个第一能量存储装置所需要被吸收或释放的确定的能量量 ; 以及(iv)控制所述多个开关元件的切换以迫使公共电流流过所述第一和第二能量存储装置,以便:将存储的所述能量存储缓冲器从所述或每个第二能量存储装置传送到所述或每个 第一储能装置; 或将能量从所述或每个第一能量存储装置传递到所述或每个第二能量存储装置的所提供的能量存储容量。
    • 129. 发明申请
    • ELECTRICAL ASSEMBLY
    • 电气总成
    • WO2017017240A1
    • 2017-02-02
    • PCT/EP2016/068111
    • 2016-07-28
    • GENERAL ELECTRIC TECHNOLOGY GMBH
    • WHITEHOUSE, Robert StephenBARKER, Carl DavidADAMCZYK, Andrzej
    • H01H9/54H01H33/59H02J1/00H02J3/36
    • H02J3/36H01H9/548H01H33/596H02J1/08H02J2003/365Y02E60/60
    • There is provided an electrical assembly for use in an electrical system. The electrical assembly comprises a DC path. The DC path includes: a DC power transmission medium; and a current commutation device (212), the current commutation device (212) including a switching element (214) and an energy absorbing element (216), the switching element (214) arranged to permit a current flowing, in use, through the DC path to flow through the switching element (214) and at the same time bypass the energy absorbing element (216), wherein the electrical assembly further includes a control unit (220) programmed to selectively control the switching of the switching element (214) to commutate the current directly from the switching element (214) to the energy absorbing element (216) in order to increase the resultant voltage drop caused by the flow of direct current through the DC path in which the current commutation device is connected and thereby oppose the flow of the current through the DC path.
    • 提供了一种用于电气系统的电气组件。 电气组件包括DC路径。 DC路径包括:DC电力传输介质; 和电流换向装置(212),所述电流换向装置(212)包括开关元件(214)和能量吸收元件(216),所述开关元件(214)布置成允许电流在使用中通过所述开关元件 流过开关元件(214)并同时绕过能量吸收元件(216)的DC路径,其中电组件还包括被编程为选择性地控制开关元件(214)的开关的控制单元(220) 以将电流直接从开关元件(214)换向能量吸收元件(216),以便增加由直流电流流过直流电流引起的所得到的电压降,其中电流换向装置连接在该直流路径上并由此相反 电流通过直流通路。
    • 130. 发明申请
    • A METHOD OF CONTROLLING A CONVERTER
    • 控制转换器的方法
    • WO2016188927A1
    • 2016-12-01
    • PCT/EP2016/061501
    • 2016-05-20
    • GENERAL ELECTRIC TECHNOLOGY GMBH
    • JASIM, Omar FadhelTRAINER, David Reginald
    • H02M7/483
    • H02M7/797H02M1/12H02M1/14H02M1/15H02M7/483H02M2001/0074H02M2001/325H02M2007/4835
    • There is a method of controlling a converter comprising first and second DC terminals for connection to a DC network, the converter including at least one limb connected between the first and second DC terminals, the or each limb including: a phase element having a plurality of switching elements and at least one AC terminal for connection to an AC network, the plurality of switching elements being configured to be switchable to selectively interconnect a DC side voltage at a DC side of the phase element and an AC side voltage at an AC side of the phase element; a first sub-converter connected in series with the DC side of the phase element in an electrical block, the first sub-converter being configured to be controllable to act as a first voltage source; and a second sub-converter connected in parallel with the electrical block, the second sub-converter being configured to be controllable to act as a second voltage source. The method includes the steps of: (a) obtaining a respective DC side voltage demand (HB_A, HB_B, HB_C) for the DC side voltage which the corresponding limb is required to track, and a DC converter voltage demand (Vdc) for the DC converter voltage across the first and second DC terminals which the converter is required to track; (b) determining a sub-converter voltage for each sub-converter that the sub-converter must contribute to track the corresponding required DC side voltage and DC converter voltage demands (HB_A, HB_B, HB_C, Vdc); (c) controlling each sub-converter as the respective voltage source to achieve the corresponding determined sub-converter voltage; and (d) carrying out mathematical optimization to determine one or more optimal sub-converter voltages.
    • 存在一种控制转换器的方法,该转换器包括用于连接到DC网络的第一和第二DC端子,该转换器包括连接在第一和第二DC端子之间的至少一个支路,该或每个支路包括:相元件,具有多个 开关元件和用于连接到AC网络的至少一个AC端子,所述多个开关元件被配置为可切换地选择性地将相位元件的DC侧的DC侧电压和AC元件的AC侧的AC侧电压 相元件; 第一子转换器,其被配置为可控制地用作第一电压源;第一子转换器,其被配置为可控制地用作第一电压源; 以及与所述电气块并联连接的第二子转换器,所述第二子转换器被配置为可控制以用作第二电压源。 该方法包括以下步骤:(a)获得相应肢体需要跟踪的直流侧电压的相应的直流侧电压需求(HB_A,HB_B,HB_C)以及用于DC的DC转换器电压需求(Vdc) 转换器电压跨越转换器需要跟踪的第一和第二直流端子; (b)确定每个子转换器的子转换器电压,子转换器必须有助于跟踪相应的所需DC侧电压和DC转换器电压要求(HB_A,HB_B,HB_C,Vdc); (c)将每个子转换器控制为相应的电压源以实现相应的确定的子转换器电压; 和(d)进行数学优化以确定一个或多个最佳子转换器电压。