公开(公告)号：WO2011156799A8

公开(公告)日：2013-01-17

申请号：PCT/US2011040112

申请日：2011-06-11

Applicant: ABB RESEARCH LTD ,  DONDE VAIBHAV ,  SCHOLTZ ERNST ,  LARSSON MATS ,  ZHANG YAN ,  SUBRAMANIAN MANI ,  FINNEY JOHN

Inventor： DONDE VAIBHAV ,  SCHOLTZ ERNST ,  LARSSON MATS ,  ZHANG YAN ,  SUBRAMANIAN MANI ,  FINNEY JOHN

IPC: G06F17/50

CPC classification number: G06F17/50 ,  G06F17/10 ,  H02J3/00 ,  H02J2003/007 ,  Y02E60/76 ,  Y04S40/22

Abstract: Methods for detecting network model data errors are disclosed. In some examples, methods for detecting network model data errors may include splitting a network model into a first plurality of portions, executing an algorithm on each of the portions, identifying a portion for which the algorithm is determined to be non- converged, splitting the identified portion into a second plurality of portions, repeating the executing, identifying and splitting the identified portion until a resulting identified portion is smaller than a predefined threshold, and examining the resulting identified portion to identify plausible data errors therein. In some examples, examining the resulting identified portion to identify plausible data errors therein may include executing a modified algorithm, which may include an augmented measurement set, on the identified portion.

Abstract translation: 公开了用于检测网络模型数据错误的方法。 在一些示例中，用于检测网络模型数据错误的方法可以包括将网络模型划分为第一多个部分，在每个部分上执行算法，识别算法被确定为未收敛的部分，将 将所识别的部分分割成第二多个部分，重复执行，识别和分割所识别的部分，直到所得到的识别部分小于预定阈值，并且检查所得到的识别部分以识别其中的可信数据错误。 在一些示例中，检查所得到的识别部分以识别其中的可信数据错误可以包括在所识别的部分上执行修改的算法，该修改的算法可以包括增大的测量集合。

公开(公告)号：AT509412T

公开(公告)日：2011-05-15

申请号：AT07862534

申请日：2007-12-05

Applicant: ABB RESEARCH LTD

Inventor： SCHOLTZ ERNST ,  NUQUI REYNALDO F ,  FINNEY JOHN D ,  LARSSON MATS ,  SUBRAMANIAN MANI ,  LIN GORDON

IPC: H02J3/00

Abstract: Phasor measurement units (108) provide phasor data from various locations (102) in an electrical power system. The phasor data is referenced to a common timing signal. Non-phasor measurement data is also obtained at various locations in the power system. A phasor assisted state estimator (120) uses the phasor data and the non-phasor data to determine the power system state.

公开(公告)号：DE602008004221D1

公开(公告)日：2011-02-10

申请号：DE602008004221

申请日：2008-02-19

Applicant: ABB RESEARCH LTD

Inventor： SCHOLTZ ERNST ,  THORBURN STEFAN ,  HAJ-MAHARSI MOHAMED

IPC: H02P9/00 ,  H02H7/06 ,  H03H11/04

公开(公告)号：ES2333381T3

公开(公告)日：2010-02-19

申请号：ES07729237

申请日：2007-05-16

Applicant: ABB RESEARCH LTD

Inventor： KORBA PETR ,  BACCHINI GINO ,  BULATY PAVEL ,  SCHOLTZ ERNST

IPC: H02H3/40 ,  H02J3/24

Abstract: Un método para detectar un fallo en un sistema de energía, que comprende - medir repetidamente una magnitud del sistema dinámico (y) del sistema de energía, - actualizar de forma recursiva, cada vez que se mide un nuevo valor (y(k)) de la magnitud del sistema dinámico (y) y basado en el nuevo valor (y(k)), un valor de un parámetro físico de frecuencia no selectiva (Z; R, X) de un modelo físico de tiempo discreto de un sistema de energía, y - analizar el valor actualizado del parámetro físico de frecuencia no selectiva (Z; R, X) para detectar un fallo en el sistema de energía.

公开(公告)号：DE602007002809D1

公开(公告)日：2009-11-26

申请号：DE602007002809

申请日：2007-05-16

Applicant: ABB RESEARCH LTD

Inventor： KORBA PETR ,  BACCHINI GINO ,  BULATY PAVEL ,  SCHOLTZ ERNST

IPC: H02H3/40 ,  H02J3/24

Abstract: The present invention is concerned with a faster response and an increased accuracy in power system protection. According to the invention, a fault, instability or other contingency potentially requiring some protective action, such as line tripping or load adaptation, is detected in a fast and precise way by tracking a non-frequency-selective evolution of a physical parameter (R, L) in time domain, preferably with adaptive filters. By reverting to a physical parameter having an imminent physical significance, no additional analysis is required to divulge a fault or contingency, hence the speed of fault detection increases. Due to the skin affect in electrical conductors, a time domain analysis covering a broad range of frequencies includes more information than an analysis confined to the fundamental or line frequency, hence the accuracy of the fault detection increases.

公开(公告)号：AT445926T

公开(公告)日：2009-10-15

申请号：AT07729237

申请日：2007-05-16

Applicant: ABB RESEARCH LTD

Inventor： KORBA PETR ,  BACCHINI GINO ,  BULATY PAVEL ,  SCHOLTZ ERNST

IPC: H02H3/40 ,  H02J3/24

Abstract: The present invention is concerned with a faster response and an increased accuracy in power system protection. According to the invention, a fault, instability or other contingency potentially requiring some protective action, such as line tripping or load adaptation, is detected in a fast and precise way by tracking a non-frequency-selective evolution of a physical parameter (R, L) in time domain, preferably with adaptive filters. By reverting to a physical parameter having an imminent physical significance, no additional analysis is required to divulge a fault or contingency, hence the speed of fault detection increases. Due to the skin affect in electrical conductors, a time domain analysis covering a broad range of frequencies includes more information than an analysis confined to the fundamental or line frequency, hence the accuracy of the fault detection increases.

公开(公告)号：ES2365111T3

公开(公告)日：2011-09-22

申请号：ES07862534

申请日：2007-12-05

Applicant: ABB RESEARCH LTD

Inventor： SCHOLTZ ERNST ,  NUQUI REYNALDO F ,  FINNEY JOHN D ,  LARSSON MATS ,  SUBRAMANIAN MANI ,  LIN GORDON

IPC: H02J3/00

Abstract: Método para estimar un estado de un sistema de potencia eléctrica (100), el método comprendiendo: obtener datos de medición no fasoriales (116) sobre el sistema de potencia eléctrica (100); obtener datos de mediciones fasoriales (114) sobre el sistema de potencia eléctrica (100), que se referencia a un marco de referencia de medición fasorial; dicho método estimativo caracterizado por el hecho de que comprende: estimar (406) el estado del sistema de potencia eléctrica (100) directamente de los datos de medición no fasoriales (116) y los datos de mediciones fasoriales (114) usando un algoritmo de estimación estadística, la estimación de estado siendo realizada en un marco de referencia de estimador de estado usando los datos de mediciones fasoriales (114) referenciados en el marco de referencia de medición fasorial; y generar (408) una salida indicativa del estado estimado.

公开(公告)号：ES2358876T3

公开(公告)日：2011-05-16

申请号：ES08725761

申请日：2008-02-19

Applicant: ABB RESEARCH LTD

Inventor： SCHOLTZ ERNST ,  THORBURN STEFAN ,  HAJ-MAHARSI MOHAMED

IPC: H02P9/00 ,  H02H7/06 ,  H03H11/04

Abstract: Un método implement3do de ordenador (300) caracterizado por el hecho de que éste comprende los siguientes actos ejecutables de ordenador: adquisición (310) de datos indicativos de las condiciones de funcionamiento de una máquina eléctrica (102) que está protegida por un dispositivo de protección (106), donde el dispositivo de protección (106) incluye una o más funciones de protección que tienen ajustes; y suministro adaptativo (308) de los ajustes actualizados para una o más funciones de protección al dispositivo de protección (106), estando basados dichos ajustes adaptativamente actualizados al menos en parte reiteradamente en parámetros físicos estimados de la máquina (102) que son determinados basados al menos en parte en los datos adquiridos.

公开(公告)号：AT493790T

公开(公告)日：2011-01-15

申请号：AT08725761

申请日：2008-02-19

Applicant: ABB RESEARCH LTD

Inventor： SCHOLTZ ERNST ,  THORBURN STEFAN ,  HAJ-MAHARSI MOHAMED

IPC: H02P9/00 ,  H02H7/06 ,  H03H11/04

Abstract: A protection setting determiner (118) adaptively updates settings of protection functions in memory of a protection device (106) that protects a machine (102) that provides power to a power system (104), wherein the settings are updated based at least in part upon sensed data acquired during operation of the machine (102). A physical parameter determiner (110) receives the sensed data, which includes three-phase voltage and three-phase current values at the terminals of the machine (102), and uses any suitable real-time or off-line parameter estimation technique (such as Kalman Filtering for an augmented state) to determine physical parameters of the machine (102) and the power system (104). The protection setting determiner (118) uses the physical parameters to update the protection settings.

公开(公告)号：WO2011156799A3

公开(公告)日：2013-03-21

申请号：PCT/US2011040112

申请日：2011-06-11

Applicant: ABB RESEARCH LTD ,  DONDE VAIBHAV ,  SCHOLTZ ERNST ,  LARSSON MATS ,  ZHANG YAN ,  SUBRAMANIAN MANI ,  FINNEY JOHN

Inventor： DONDE VAIBHAV ,  SCHOLTZ ERNST ,  LARSSON MATS ,  ZHANG YAN ,  SUBRAMANIAN MANI ,  FINNEY JOHN

IPC: G06F17/18 ,  G06F17/10 ,  H02J3/00

CPC classification number: G06F17/50 ,  G06F17/10 ,  H02J3/00 ,  H02J2003/007 ,  Y02E60/76 ,  Y04S40/22

Abstract: Methods for detecting network model data errors are disclosed. In some examples, methods for detecting network model data errors may include splitting a network model into a first plurality of portions, executing an algorithm on each of the portions, identifying a portion for which the algorithm is determined to be non- converged, splitting the identified portion into a second plurality of portions, repeating the executing, identifying and splitting the identified portion until a resulting identified portion is smaller than a predefined threshold, and examining the resulting identified portion to identify plausible data errors therein. In some examples, examining the resulting identified portion to identify plausible data errors therein may include executing a modified algorithm, which may include an augmented measurement set, on the identified portion.

Abstract translation: 公开了网络模型数据错误检测方法。 在一些示例中，用于检测网络模型数据错误的方法可以包括将网络模型划分为第一多个部分，在每个部分上执行算法，识别算法被确定为不收敛的部分， 将所识别的部分分成多个第二部分，重复执行，识别和分割所识别的部分，直到得到的识别部分小于预定义的阈值，并且检查所得到的识别部分以识别其中似乎合理的数据错误。 在一些示例中，检查所得到的识别部分以识别其中可能的数据错误可以包括在所识别的部分上执行修改的算法，其可以包括增强的测量集合。