公开(公告)号：EP2017632A1

公开(公告)日：2009-01-21

申请号：EP07460017.2

申请日：2007-07-19

Applicant: ABB Research Ltd.

Inventor： Balcerek, Przemyslaw ,  Fulczyk, Marek ,  Rosolowski, Eugeniusz ,  Izykowski, Jan ,  Saha, Murari

IPC: G01R31/08

CPC classification number: G01R31/088

Abstract: The present invention is concerned with a method for fault location in uncompensated power lines with two- end unsynchronized measurement, finding an application in the power industry and for overhead and overhead-cable transmission or distribution lines.
The method according to the invention comprising the:
- measuring the voltage and currents at both ends, A and B, of the section,
- obtaining the phasor of the positive sequence voltages V A1, V B1 measured at the ends A and B, respectively,
- obtaining the phasor of the positive sequence currents I A1, I B1 measured at the ends A and B, respectively,
- determining whether if is a three- phase balanced fault or not, and :
-if there is not a three-phase balance fault then start the action for the positive and negative sequence quantities and a distributed parameter line model according to the subroutine I,
- if there is a three-phase balanced fault then start the action for the positive and incremental positive sequence quantities and a distributed parameter line model according to the subroutine II,
- then after finishing the action according to subroutine I or II determining the distance d to fault is determined .

Abstract translation: 本发明涉及用于在非补偿电力线路与双端非同步测量的故障定位的方法，发现在电力行业以及用于开销和架空电缆传输或者配电线路应用。 该方法雅丁到本发明的包括： - 测量所述电压和电流在两端处，A和B，该部分的， - 获得正序列相量电压V A1，分别在端部处的测量的V B1和B， - 获得正序列电流I A1的相量，I B1在端部处的测量和B分别 - 确定性采矿无论如果是三相平衡故障与否，以及： - 如果没有一个三相 再平衡故障根据子程序我开始为正，负序量的动作和分布参数线路模型， - 如果有三相平衡故障则启动针对正和增量正序列量和分布的作用 根据子程序II参数线路模型， - 然后在完成动作后gemäß子程序I或II确定性采矿到故障的距离d为确定性的开采。

公开(公告)号：EP2017632B1

公开(公告)日：2010-08-25

申请号：EP07460017.2

申请日：2007-07-19

Applicant: ABB Research Ltd.

Inventor： Balcerek, Przemyslaw ,  Fulczyk, Marek ,  Rosolowski, Eugeniusz ,  Izykowski, Jan ,  Saha, Murari

IPC: G01R31/08

CPC classification number: G01R31/088

公开(公告)号：EP2051085A1

公开(公告)日：2009-04-22

申请号：EP07460030.5

申请日：2007-10-19

Applicant: ABB Research Ltd.

Inventor： Balcerek, Przemyslaw ,  Fulczyk, Marek ,  Rosolowski, Eugeniusz ,  Izykowski, Ian ,  Saha, Murari

IPC: G01R31/08 ,  H02H3/38

CPC classification number: H02J3/1807 ,  G01R31/085 ,  G01R31/088 ,  Y02E40/30

Abstract: The present invention is concerned with a method for fault location in series compensated power transmission lines with two- end unsynchronized measurement, finding an application in the electrical power sector and for overhead uncompensated and series-compensated transmission lines.
The method according to the invention wherein a distance to fault and fault resistance are determined by means of voltages and current values, measurement in the stations (A) and (B), before and after occurrence of the fault (101), comprising the following steps:
- based on the assumption that fault occurs in the line section LA between station A and series capacitor and metal oxide varistor device SC&MOV and based on the assumption that faults occurs in the line section LB between station B and series capacitor and metal oxide varistor device SC&MOV , the synchronization angle δ A in term e j ⁢ & A is determined (103a) in the first case (fault at the section LA), the synchronization angle δ B in term e j ⁢ & B is determined (103b) in the second case (fault at the section LB),
- then taking into account the distributed parameter line model the distance to fault ( d A ) or ( d B ) is determined (104a,104b) from the formula: d A = p SC ⁢ d LA , d B = 1 - p SC ⁢ d LB
where:
d LA , d LB - denotes an hypothetical distance to fault, expressed in relation to length (p SC l ) which value is received by known iterative method,
- then an equivalent impedance of compensating bank at fault stage Z ̲ SUB_A SC ⁢ 1 _ph and Z ̲ SUB_B SC ⁢ 1 _ph is calculated (105a,105b) with using the post fault of measured voltage and currents and an equivalent impedance of compensation bank at pre-fault (Z SC1_pre ) is calculated (106a,106b) in order to determine which distance ( d A ) or ( d B ) is the final result.

Abstract translation: 本发明涉及一种用于具有两端不同步测量的串联补偿输电线路中的故障定位方法，在电力部门中寻找应用以及用于架空无补偿和串联补偿传输线路。 根据本发明的方法，其中通过电压和电流值，在故障（101）发生之前和之后的站（A）和（B）中的测量来确定与故障和故障电阻的距离，包括以下 步骤： - 基于站A与串联电容器和金属氧化物变阻器器件SC＆MOV之间的线路部分LA发生故障的假设，并且基于在站B与串联电容器和金属氧化物变阻器之间的线路部分LB中发生故障的假设 在第一种情况（LA部分的故障）中，确定（103a）期间的同步角度'A在项ej ¢＆A（103a））中，确定项目ej ¢＆B中的同步角度'B（103b） 第二种情况（LB部分的故障），然后考虑到分布参数线模型，从公式确定距离（d A）或（d B）（104a，104b）：d A = p SC ¢d LA，d B = 1 - p SC ¢d re：d LA，d LB - 表示与故障相关的长度（p SC l）的假设距离，该值通过已知的迭代方法接收，然后在故障阶段Z 2 SUB_A SC of处的补偿组的等效阻抗 使用测量电压和电流的后故障计算¢1 _ph和Z 2 SUB_B SC ¢1 _ph（105a，105b），并计算故障前补偿组的等效阻抗（Z SC1_pre）（106a，106b ）以确定哪个距离（d A）或（d B）是最终结果。

公开(公告)号：EP1890369B1

公开(公告)日：2013-10-02

申请号：EP06445061.2

申请日：2006-08-18

Applicant: ABB Research Ltd

Inventor： Olguin, Gabriel ,  Johansson, Stefan G. ,  Fulczyk, Marek ,  Bengtsson, Tord ,  Lindahl, Sture

IPC: H02H3/17

CPC classification number: H02H3/17 ,  H02H1/0038 ,  H02H7/06

公开(公告)号：EP2290775A1

公开(公告)日：2011-03-02

申请号：EP09460038.4

申请日：2009-08-31

Applicant: ABB Research Ltd.

Inventor： Balcerek, Przemyslaw ,  Fulczyk, Marek ,  Rosolowski, Eugeniusz ,  Izykowski, Jan ,  Saha, Murari ,  Pierz, Piotr

IPC: H02H3/34 ,  H02H7/26

CPC classification number: H02H3/34 ,  H02H1/0092 ,  H02H7/26

Abstract: The present invention is concerned with a method for faulted phase selection and fault type determination in electric power lines applicable both to series compensated and uncompensated power lines, fit for use in the power industry for overhead and overhead-cable transmission or distribution lines. The inventive method comprising the following steps: a fault inception detection, an estimation of fault phase current signals, pre-fault current signals and zero-sequence current in order to receive the absolute value of incremental current signals (I AB , I BC , I CA ) and their maximum value (I max ), a calculation of real value indicators ( S A ,S B ,S C ,S 3 A ,S 3 B ,S 3 C ) which indicate the minimum values of a combination of data for phase to phase faults and for 3-phase fault and a calculation of a real value indicator ( S G ) as the maximum value of data for phase to ground fault, a calculation of the fault type indicators (F1 -F10) as the minimum values of the real values indicators ( S A ,S B ,S C ,S 3 A ,S 3 B ,S 3 C ,S G ) by: grouping the first group indicators (F1-F3) and calculating the sum of the minimum value of the combination of real value indicators for phase to ground fault, grouping the second group indicators (F4-F6) and calculating the minimum value of the combination of real value indicators for phase to phase fault, grouping the third group indicators (F7-F9) and calculating the sum of the previously calculated indicator (F1-F6) for phase to phase to ground faults, calculating the indicator (F10) as the minimum value of real value indicators for 3-phase fault, a selection of a fault phase (F max ) by calculating the maximum value of all the fault type indicators (F1-F10) which at the same time determines the fault type and presentation of the data in the protective relay (2) or in the means connected to the protective relay.

Abstract translation: 本发明涉及适用于电力工业用于架空电缆和架空电缆传输或分配线路的电力线路中的故障相位选择和故障类型确定的方法，其适用于串联补偿和无补偿电力线。 本发明的方法包括以下步骤：故障初始检测，故障相电流信号的估计，故障前电流信号和零序电流，以便接收增量电流信号的绝对值（I AB，I BC，I CA）和它们的最大值（I max），实际值指示符（SA，SB，SC，S 3A，S 3 B，S 3 C）的计算，其指示相间数据的组合的最小值 故障和三相故障，并将实际值指标（SG）作为相对地故障数据的最大值进行计算，将故障类型指标（F1-F10）计算为实际值的最小值 指标（SA，SB，SC，S 3 A，S 3 B，S 3 C，SG）通过：对第一组指标（F1-F3）进行分组，并计算实际值指标组合的最小值之和 相对地故障，分组第二组指标（F4-F6）并计算公司的最小值 对第三组指标（F7-F9）进行分组，并计算先前计算出的相间相位指标（F1-F6）与相位对地故障之和的总和，计算指标（F10）为 三相故障实值指标的最小值，通过计算所有故障类型指标（F1-F10）的最大值来选择故障相位（F max），同时确定故障类型和演示 的保护继电器（2）中的数据或连接到保护继电器的装置。

公开(公告)号：EP2287990A1

公开(公告)日：2011-02-23

申请号：EP09460036.8

申请日：2009-08-18

Applicant: ABB Research Ltd.

Inventor： Ostrogorska, Magdalena ,  Florkowski, Marek ,  Fulczyk, Marek ,  Piasecki, Wojciech

IPC: H02H9/04 ,  H02H9/00 ,  H01B17/00

CPC classification number: H02H9/044 ,  H01B17/005 ,  H02H9/007

Abstract: The subject of the invention is a device protecting against high frequency overvoltage, comprising a solenoid conductive connector (1), designed for suppressing high frequency current and voltage components, applicable in the protection of electric equipment working in electric power networks, and especially in electric substations. The device protecting against high frequency overvoltage comprises a conductive connector (1) designed to be connected in series into the current path of an electric power system as a section of the current path. The conductive connector (1) contains an induction coil (2) connected in parallel with a resistor (3), located in a common insulating housing (8). The inventive device is characterized in that the induction coil (2) through one of the external conductive terminals (6) or (7) is connected with a capacitive device (14) or (14') of the electric power system, which causes that the conductive connector (1) functions as a low pass filter, whereas the other external conductive terminal (6) or (7) respectively, is connected with an auxiliary device (16), connected into the current path circuit.

Abstract translation: 本发明的目的是防止高频过电压的装置，包括一个螺线管导电连接器（1），其设计用于抑制高频电流和电压部件，适用于在电力网络中工作的电气设备的保护，特别是在电力 变电站。 防止高频过电压的装置包括设计成串联连接到作为电流路径的一部分的电力系统的电流路径的导电连接器（1）。 导电连接器（1）包含与位于公共绝缘壳体（8）中的电阻器（3）并联连接的感应线圈（2）。 本发明的装置的特征在于，通过外部导电端子（6）或（7）中的一个的感应线圈（2）与电力系统的电容性装置（14）或（14'）连接，这导致 导电连接器（1）用作低通滤波器，而另一个外部导电端子（6）或（7）分别连接到连接到电流路径电路中的辅助装置（16）。

公开(公告)号：EP1890369A1

公开(公告)日：2008-02-20

申请号：EP06445061.2

申请日：2006-08-18

Applicant: ABB Research Ltd

Inventor： Olguin, Gabriel ,  Johansson, Stefan G. ,  Fulczyk, Marek ,  Bengtsson, Tord ,  Lindahl, Sture

IPC: H02H3/17

CPC classification number: H02H3/17 ,  H02H1/0038 ,  H02H7/06

Abstract: The present invention relates to a ground fault detection arrangement for a synchronous three-phase electrical machine, and an electrical system comprising a ground fault detection arrangement and a synchronous three-phase electrical machine. The ground fault detection arrangement injects an off-nominal frequency voltage between a neutral point of the synchronous three-phase electrical machine and ground and measure resultant currents to detect a ground fault.

Abstract translation: 本发明涉及一种用于同步三相电机的接地故障检测装置，以及包括接地故障检测装置和同步三相电机的电气系统。 接地故障检测装置在同步三相电机的中性点与地之间注入标称频率电压，并测量合成电流以检测接地故障。