CR20190267A - Aparato separador de forma de onda y método para detectar corriente de fuga en sistemas de energía de corriente directa de alto voltaje - Google Patents
Aparato separador de forma de onda y método para detectar corriente de fuga en sistemas de energía de corriente directa de alto voltajeInfo
- Publication number
- CR20190267A CR20190267A CR20190267A CR20190267A CR20190267A CR 20190267 A CR20190267 A CR 20190267A CR 20190267 A CR20190267 A CR 20190267A CR 20190267 A CR20190267 A CR 20190267A CR 20190267 A CR20190267 A CR 20190267A
- Authority
- CR
- Costa Rica
- Prior art keywords
- component
- rate
- current
- leakage current
- receive
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
-
- 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
- G01R19/0007—Frequency selective voltage or current level measuring
- G01R19/0015—Frequency selective voltage or current level measuring separating AC and DC
-
- 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
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16528—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values using digital techniques or performing arithmetic operations
-
- 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
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/001—Methods to deal with contingencies, e.g. abnormalities, faults or failures
- H02J3/0012—Contingency detection
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Emergency Protection Circuit Devices (AREA)
- Testing Relating To Insulation (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
Un sistema separador de forma de onda para determinar la corriente de fuga CC que fluye a través de una estructura aislante en un sistema de potencia de corriente continua de alta tensión, donde la corriente de fuga de CC es una corriente CC compuesta que comprende uno o más picos momentáneos de gran magnitud, que tiene un componente CC y un componente CA, y que incluye: (1) un separador de forma de onda configurado para recibir la corriente CC compuesta que fluye a través de la estructura aislante y para separar la corriente CC compuesta en los componentes de corriente continua (CC) y corriente alterna (CA) correspondientes en los que el componente de CA tiene una primera tasa de cambio, y en el que el componente de CC tiene una segunda tasa de cambio, y en el que la primera tasa de cambio es mayor que la segunda tasa de cambio; (2) eç al menos un comparador configurado para recibir el componente de CA y producir al menos una señal digital correspondiente; y (3) un procesador configurado para: (a) recibir la al menos una señal digital correspondiente y el componente de CC, (b) analizar la al menos una señal digital correspondiente y el componente de CC, y; (c) determine una corriente de fuga resultante que fluye a través de la estructura aislante.A waveform separator system for determining DC leakage current flowing through an insulating structure in a high voltage direct current power system, wherein the DC leakage current is a composite DC current comprising one or more high magnitude momentary spikes, and having a DC component and an AC component includes: (1 ) a waveform separator configured to receive the composite DC current flowing through the insulating structure and to separate the composite DC current into corresponding direct current (DC) and alternating current (AC) components wherein the AC component has a first rate of change, and wherein the DC component has a second rate of change, and wherein the first rate of change is greater than the second rate of change; (2) at least one comparator configured to receive the AC component and produce at least one corresponding digital signal; and (3) a processor configured to: (a) receive the at least one corresponding digital signal and the DC component, (b) analyze the at least one corresponding digital signal and the DC component, and; (c) determine a resultant leakage current flowing through the insulating structure.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662429459P | 2016-12-02 | 2016-12-02 | |
| CA2950506A CA2950506C (en) | 2016-12-02 | 2016-12-02 | Waveform separator apparatus and method for detecting leakage current in high voltage direct current power systems |
| PCT/US2017/064304 WO2018102744A1 (en) | 2016-12-02 | 2017-12-01 | Waveform separator apparatus and method for detecting leakage current in high voltage direct current power systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CR20190267A true CR20190267A (es) | 2019-08-26 |
Family
ID=62239855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CR20190267A CR20190267A (es) | 2016-12-02 | 2017-12-01 | Aparato separador de forma de onda y método para detectar corriente de fuga en sistemas de energía de corriente directa de alto voltaje |
Country Status (11)
| Country | Link |
|---|---|
| US (2) | US10804703B2 (es) |
| CN (1) | CN110235004A (es) |
| AU (1) | AU2017366710B2 (es) |
| BR (1) | BR112019011330A2 (es) |
| CA (2) | CA2950506C (es) |
| CL (1) | CL2019001494A1 (es) |
| CO (1) | CO2019005759A2 (es) |
| CR (1) | CR20190267A (es) |
| EC (1) | ECSP19039211A (es) |
| PE (1) | PE20190837A1 (es) |
| WO (1) | WO2018102744A1 (es) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2950506C (en) * | 2016-12-02 | 2024-04-16 | Quanta Associates, L.P. | Waveform separator apparatus and method for detecting leakage current in high voltage direct current power systems |
| US10519714B2 (en) * | 2017-06-23 | 2019-12-31 | The Boeing Company | Methods and devices for electrostatic discharge of a workpiece |
| CN112582978B (zh) * | 2019-09-30 | 2023-01-31 | 国创移动能源创新中心(江苏)有限公司 | 漏电保护方法、装置和充电桩 |
| CN112104072B (zh) * | 2020-08-04 | 2023-06-13 | 杭州华春科技有限公司 | 一种漏电监测开关 |
| CN112584339B (zh) * | 2020-12-04 | 2022-07-01 | 贵州乌江水电新能源有限公司 | 一种太阳辐照数据采集节点 |
| US11434121B1 (en) * | 2021-12-23 | 2022-09-06 | Altec Industries, Inc. | Environmental alert system for aerial device |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4833415A (en) | 1988-01-11 | 1989-05-23 | Ali Nourai | Apparatus and method for detecting current leakage through insulating structure |
| US5638057A (en) | 1994-05-09 | 1997-06-10 | Adb-Alnaco, Inc. | Ground fault detection and measurement system for airfield lighting system |
| US5648723A (en) | 1994-05-09 | 1997-07-15 | Adb-Alnaco, Inc. | Method and apparatus for separating and analyzing composite AC/DC waveforms |
| US6421618B1 (en) | 1998-12-28 | 2002-07-16 | General Electric Company | Incipient leakage current fault detection apparatus and method |
| US7133063B2 (en) * | 2002-07-16 | 2006-11-07 | Fujinon Corporation | Electronic endoscope apparatus which superimposes signals on power supply |
| US7368830B2 (en) * | 2003-10-30 | 2008-05-06 | Server Technology, Inc. | Polyphase power distribution and monitoring apparatus |
| US7629787B2 (en) * | 2007-01-03 | 2009-12-08 | Qixiang Lu | Current sensor having shunt resistor and clamper diode for motor control |
| KR100981972B1 (ko) * | 2009-01-28 | 2010-09-13 | 삼성모바일디스플레이주식회사 | 플리커 측정 장치, 플리커 측정 방법, 및 측정 방법을 실행하기 위한 컴퓨터 프로그램을 저장한 기록매체 |
| US20120249067A1 (en) * | 2011-03-31 | 2012-10-04 | Lear Corporation | Apparatus for correcting a dc bias for leakage current |
| US9270119B2 (en) * | 2013-05-24 | 2016-02-23 | Eaton Corporation | High voltage direct current transmission and distribution system |
| US9535105B2 (en) | 2013-12-12 | 2017-01-03 | Electric Power Research Institute, Inc. | Apparatus and method for measuring leakage currents on porcelain and glass insulator disc strings |
| CA2950506C (en) * | 2016-12-02 | 2024-04-16 | Quanta Associates, L.P. | Waveform separator apparatus and method for detecting leakage current in high voltage direct current power systems |
-
2016
- 2016-12-02 CA CA2950506A patent/CA2950506C/en active Active
-
2017
- 2017-12-01 PE PE2019001166A patent/PE20190837A1/es unknown
- 2017-12-01 AU AU2017366710A patent/AU2017366710B2/en active Active
- 2017-12-01 CR CR20190267A patent/CR20190267A/es unknown
- 2017-12-01 US US15/829,655 patent/US10804703B2/en active Active
- 2017-12-01 WO PCT/US2017/064304 patent/WO2018102744A1/en unknown
- 2017-12-01 CN CN201780085392.8A patent/CN110235004A/zh not_active Withdrawn
- 2017-12-01 BR BR112019011330A patent/BR112019011330A2/pt not_active Application Discontinuation
- 2017-12-01 CA CA3045662A patent/CA3045662A1/en active Pending
-
2019
- 2019-05-31 CL CL2019001494A patent/CL2019001494A1/es unknown
- 2019-05-31 CO CONC2019/0005759A patent/CO2019005759A2/es unknown
- 2019-05-31 EC ECSENADI201939211A patent/ECSP19039211A/es unknown
-
2020
- 2020-10-09 US US17/067,459 patent/US11362517B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| ECSP19039211A (es) | 2019-07-31 |
| CL2019001494A1 (es) | 2019-10-25 |
| CA2950506A1 (en) | 2018-06-02 |
| CO2019005759A2 (es) | 2019-06-11 |
| AU2017366710B2 (en) | 2023-11-02 |
| BR112019011330A2 (pt) | 2019-10-15 |
| CN110235004A (zh) | 2019-09-13 |
| CA3045662A1 (en) | 2018-06-07 |
| AU2017366710A1 (en) | 2019-07-18 |
| CA2950506C (en) | 2024-04-16 |
| US20210044116A1 (en) | 2021-02-11 |
| PE20190837A1 (es) | 2019-06-17 |
| US10804703B2 (en) | 2020-10-13 |
| US20180159331A1 (en) | 2018-06-07 |
| US11362517B2 (en) | 2022-06-14 |
| WO2018102744A1 (en) | 2018-06-07 |
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