CN110633485B - 用于计算在变换器的三角形侧的绕组电流的方法和装置 - Google Patents
用于计算在变换器的三角形侧的绕组电流的方法和装置 Download PDFInfo
- Publication number
- CN110633485B CN110633485B CN201910543019.3A CN201910543019A CN110633485B CN 110633485 B CN110633485 B CN 110633485B CN 201910543019 A CN201910543019 A CN 201910543019A CN 110633485 B CN110633485 B CN 110633485B
- Authority
- CN
- China
- Prior art keywords
- winding
- current
- windings
- zero sequence
- converter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004804 winding Methods 0.000 title claims abstract description 395
- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000010363 phase shift Effects 0.000 claims abstract description 33
- 238000005259 measurement Methods 0.000 claims description 29
- 238000012544 monitoring process Methods 0.000 claims description 15
- 230000036541 health Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000003416 augmentation Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000084490 Esenbeckia delta Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/62—Testing of transformers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/72—Testing of electric windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
- H02H7/045—Differential protection of transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN201841023197 | 2018-06-21 | ||
IN201841023197 | 2018-06-21 | ||
EP18188292.9A EP3588107B1 (en) | 2018-06-21 | 2018-08-09 | Method and device for calculating winding currents at delta side for a transformer |
EP18188292.9 | 2018-08-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110633485A CN110633485A (zh) | 2019-12-31 |
CN110633485B true CN110633485B (zh) | 2023-06-20 |
Family
ID=63209212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910543019.3A Active CN110633485B (zh) | 2018-06-21 | 2019-06-21 | 用于计算在变换器的三角形侧的绕组电流的方法和装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10921386B2 (zh) |
EP (1) | EP3588107B1 (zh) |
CN (1) | CN110633485B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11105838B2 (en) * | 2018-01-19 | 2021-08-31 | Avo Multi-Amp Corporation | System and method for measuring turns ratio of a transformer |
CN113033048B (zh) * | 2021-03-15 | 2022-04-08 | 浙江天际互感器有限公司 | 一种差分式零序电流互感器主参数设计方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101091295A (zh) * | 2005-12-09 | 2007-12-19 | Abb技术有限公司 | 用于n-绕组三相电力变压器中的故障检测的方法和装置 |
CN102097999A (zh) * | 2009-12-09 | 2011-06-15 | 三洋电机株式会社 | 电动机控制装置、电动机驱动***和逆变器控制装置 |
CN102621446A (zh) * | 2012-03-14 | 2012-08-01 | 福建省电力有限公司莆田电业局 | 变压器三角形绕组中环流的测量方法 |
CN104993712A (zh) * | 2015-07-02 | 2015-10-21 | 江苏元凯电气科技有限公司 | 一种三相-单相交流变换器控制方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0290914B1 (de) * | 1987-05-15 | 1991-12-04 | Siemens Aktiengesellschaft | Zustandssignalbildung zur Anzeige des Überganges in die Betriebsart "Bypass" bei einer Einrichtung zur Hochspannungsgleichstromübertragung |
US6274851B1 (en) * | 1999-08-31 | 2001-08-14 | Inverpower Controls Ltd. | Electric arc furnace controller |
EP1826899A1 (en) * | 2004-11-24 | 2007-08-29 | NSK Steering Systems Co., Ltd. | Non-connection motor, its drive control device and mortorized power steering device using drive control device of non-connection motor |
KR20060111820A (ko) * | 2005-04-25 | 2006-10-30 | 강용철 | 와이-델타 또는 델타-와이 변압기의 권선 전류 추정 방법 |
US7940054B2 (en) | 2006-10-16 | 2011-05-10 | Schweitzer Engineering Laboratories, Inc. | System and method to zero-sequence verify ground return path integrity by comparing measured zero-sequence current in an autotransformer with a second zero-sequence current source |
CN100549709C (zh) * | 2007-06-12 | 2009-10-14 | 清华大学 | Y/△变压器三角形绕组中环流的计算方法和装置 |
US8553379B2 (en) * | 2009-09-17 | 2013-10-08 | Schweitzer Engineering Laboratories Inc | Transformer differential protection |
KR101240624B1 (ko) | 2011-09-15 | 2013-03-11 | 한국전력공사 | 영상 성분 검출 방법 및 장치 |
CN104078933B (zh) | 2014-07-04 | 2017-01-18 | 国家电网公司 | 一种y/δ接线变压器δ侧环流计算方法 |
CN104049174A (zh) * | 2014-07-09 | 2014-09-17 | 国家电网公司 | 三相三绕组变压器绕组间短路故障检测方法 |
JP6429153B2 (ja) * | 2015-04-22 | 2018-11-28 | パナソニックIpマネジメント株式会社 | 遮断装置 |
US11105838B2 (en) * | 2018-01-19 | 2021-08-31 | Avo Multi-Amp Corporation | System and method for measuring turns ratio of a transformer |
-
2018
- 2018-08-09 EP EP18188292.9A patent/EP3588107B1/en active Active
-
2019
- 2019-06-20 US US16/447,933 patent/US10921386B2/en active Active
- 2019-06-21 CN CN201910543019.3A patent/CN110633485B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101091295A (zh) * | 2005-12-09 | 2007-12-19 | Abb技术有限公司 | 用于n-绕组三相电力变压器中的故障检测的方法和装置 |
CN102097999A (zh) * | 2009-12-09 | 2011-06-15 | 三洋电机株式会社 | 电动机控制装置、电动机驱动***和逆变器控制装置 |
CN102621446A (zh) * | 2012-03-14 | 2012-08-01 | 福建省电力有限公司莆田电业局 | 变压器三角形绕组中环流的测量方法 |
CN104993712A (zh) * | 2015-07-02 | 2015-10-21 | 江苏元凯电气科技有限公司 | 一种三相-单相交流变换器控制方法 |
Non-Patent Citations (2)
Title |
---|
Y,d接线变压器三角形侧绕组中环流求取方法;夏石伟等;《电力***自动化》;20081225;第32卷(第24期);第60-64页 * |
新型变压器三角形侧绕组环流计算方法;王雪等;《电力***自动化》;20111225;第35卷(第24期);第59-62+67页 * |
Also Published As
Publication number | Publication date |
---|---|
EP3588107A1 (en) | 2020-01-01 |
US10921386B2 (en) | 2021-02-16 |
CN110633485A (zh) | 2019-12-31 |
US20190391199A1 (en) | 2019-12-26 |
EP3588107B1 (en) | 2020-12-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9476931B2 (en) | Method for fault location analysis of ungrounded distribution systems | |
US20090030623A1 (en) | System and method of determining the area of vulnerability for estimation of voltage sags and computer-readable medium having embodied thereon computer program for the method | |
US7200500B2 (en) | Determining parameters of an equivalent circuit representing a transmission section of an electrical network | |
CN106463945B (zh) | 用于识别多相电力网络中的故障区段的***和方法 | |
EP3179592B1 (en) | Distribution system analysis using meter data | |
WO2020142408A1 (en) | Real-time deviation detection of power system electrical characteristics using time-synchronized measurements | |
EP1261096A1 (en) | Stability prediction for an electric power network | |
EP1324455A1 (en) | Electric power transmission network state estimation | |
US20080284447A1 (en) | Method for determining location of phase-to earth fault | |
EP0599648A1 (en) | Three-phase power analyzer | |
CN110633485B (zh) | 用于计算在变换器的三角形侧的绕组电流的方法和装置 | |
EP2672603A1 (en) | A device for connecting a single-phase device into a multiphase electric network | |
US20150160297A1 (en) | Method for identifying the fault by current differential protection and device thereof | |
US20150346286A1 (en) | Fault detection in energy supply networks | |
JP2003502003A (ja) | 構成可能なソース点から電力系統データを取出す方法と装置 | |
CN103529356A (zh) | 用于确定距相对地故障的距离的方法和设备 | |
WO2019166903A1 (en) | Method and device for fault location in a two-terminal transmission system | |
Geth et al. | Current-voltage formulation of the unbalanced optimal power flow problem | |
Calero | Rebirth of negative-sequence quantities in protective relaying with microprocessor-based relays | |
US11327105B2 (en) | Fault location in multi-terminal tapped lines | |
JP2008154362A (ja) | 電力系統の状態推定装置及び方法 | |
KR20240019825A (ko) | 전동기 감시 장치 및 전동기 감시 방법 | |
Zerihun et al. | Two novel current-based methods for locating earth faults in unearthed ring operating MV networks | |
JP2007110829A (ja) | 連系する発電機を探知する方法およびそのプログラム | |
Valverde et al. | PMU-based multi-area state estimation with low data exchange |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20200509 Address after: Baden, Switzerland Applicant after: ABB grid Switzerland AG Address before: Baden, Switzerland Applicant before: ABB Switzerland Co.,Ltd. |
|
TA01 | Transfer of patent application right | ||
CB02 | Change of applicant information |
Address after: Swiss Baden Applicant after: Hitachi energy Switzerland AG Address before: Swiss Baden Applicant before: ABB grid Switzerland AG |
|
CB02 | Change of applicant information | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240105 Address after: Zurich, SUI Patentee after: Hitachi Energy Co.,Ltd. Address before: Swiss Baden Patentee before: Hitachi energy Switzerland AG |
|
TR01 | Transfer of patent right |