WO2009143544A3 - Vlf-prüfgenerator - Google Patents

Vlf-prüfgenerator Download PDF

Info

Publication number
WO2009143544A3
WO2009143544A3 PCT/AT2009/000212 AT2009000212W WO2009143544A3 WO 2009143544 A3 WO2009143544 A3 WO 2009143544A3 AT 2009000212 W AT2009000212 W AT 2009000212W WO 2009143544 A3 WO2009143544 A3 WO 2009143544A3
Authority
WO
WIPO (PCT)
Prior art keywords
test generator
vlf
low frequency
oscillators
resonance circuit
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.)
Ceased
Application number
PCT/AT2009/000212
Other languages
English (en)
French (fr)
Other versions
WO2009143544A2 (de
Inventor
Peter Mohaupt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT09753308T priority Critical patent/ATE532080T1/de
Priority to EP09753308A priority patent/EP2281207B1/de
Priority to US12/994,227 priority patent/US8542022B2/en
Priority to ES09753308T priority patent/ES2378626T3/es
Publication of WO2009143544A2 publication Critical patent/WO2009143544A2/de
Publication of WO2009143544A3 publication Critical patent/WO2009143544A3/de
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/14—Circuits therefor, e.g. for generating test voltages, sensing circuits
    • 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
    • G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
    • G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Relating To Insulation (AREA)
  • Rectifiers (AREA)

Abstract

VLF-Prüfgenerator (1) zur Erzeugung einer Hochspannung (Us) mit Tieffrequenz (fs) für die Isolationsprüfung von kapazitiven Lasten (2), insbesondere Energiekabeln, mit zwei Oszillatoren (6, 7), deren Oszillatorfrequenzen (f1, f2) sich um das Doppelte der genannten Tieffrequenz (fs) voneinander unterscheiden, einem von den Oszillatoren (6, 7) interferierend gespeisten, auf die Oszillatorfrequenzen (f1, f2) abgestimmten Resonanzkreis (8, 9) zur Spannungsüberhöhung (UR) der interferierenden Oszillatorfrequenzen, und einem Demodulator zum Auskoppeln der durch die Interferenz erzeugten tieffrequenten Hochspannung (Us) aus dem Resonanzkreis (8, 9) und Anlegen an die Last (2).
PCT/AT2009/000212 2008-05-28 2009-05-20 Vlf-prüfgenerator Ceased WO2009143544A2 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT09753308T ATE532080T1 (de) 2008-05-28 2009-05-20 Vlf-prüfgenerator
EP09753308A EP2281207B1 (de) 2008-05-28 2009-05-20 Vlf-prüfgenerator
US12/994,227 US8542022B2 (en) 2008-05-28 2009-05-20 VLF test generator
ES09753308T ES2378626T3 (es) 2008-05-28 2009-05-20 Generador de vlf para ensayos.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA857/2008 2008-05-28
AT0085708A AT506816B9 (de) 2008-05-28 2008-05-28 Vlf-prüfgenerator

Publications (2)

Publication Number Publication Date
WO2009143544A2 WO2009143544A2 (de) 2009-12-03
WO2009143544A3 true WO2009143544A3 (de) 2010-01-21

Family

ID=41259435

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2009/000212 Ceased WO2009143544A2 (de) 2008-05-28 2009-05-20 Vlf-prüfgenerator

Country Status (5)

Country Link
US (1) US8542022B2 (de)
EP (1) EP2281207B1 (de)
AT (2) AT506816B9 (de)
ES (1) ES2378626T3 (de)
WO (1) WO2009143544A2 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8264224B2 (en) * 2009-10-27 2012-09-11 University Of Seoul Industry Cooperation Foundation Detection of magnetic fields using nano-magnets
EP2815245B1 (de) 2012-02-18 2018-04-25 BAUR GmbH Schaltungsanordnung zur erzeugung einer prüfspannung insbesondere zur isolationsprüfung von verlegten energiekabeln
CN103076497A (zh) * 2012-12-18 2013-05-01 江苏常隆客车有限公司 一种基于低频脉冲信号注入的绝缘检测方法
DE102013002114A1 (de) * 2013-02-08 2014-08-14 B2 Electronic Gmbh Mobiles Hochspannungsprüfgerät
US9910105B2 (en) 2014-03-20 2018-03-06 Lockheed Martin Corporation DNV magnetic field detector
US10520558B2 (en) 2016-01-21 2019-12-31 Lockheed Martin Corporation Diamond nitrogen vacancy sensor with nitrogen-vacancy center diamond located between dual RF sources
US9614589B1 (en) 2015-12-01 2017-04-04 Lockheed Martin Corporation Communication via a magnio
US9557391B2 (en) 2015-01-23 2017-01-31 Lockheed Martin Corporation Apparatus and method for high sensitivity magnetometry measurement and signal processing in a magnetic detection system
US9541610B2 (en) 2015-02-04 2017-01-10 Lockheed Martin Corporation Apparatus and method for recovery of three dimensional magnetic field from a magnetic detection system
WO2017127079A1 (en) 2016-01-21 2017-07-27 Lockheed Martin Corporation Ac vector magnetic anomaly detection with diamond nitrogen vacancies
US10677953B2 (en) 2016-05-31 2020-06-09 Lockheed Martin Corporation Magneto-optical detecting apparatus and methods
US20180275224A1 (en) * 2017-03-24 2018-09-27 Lockheed Martin Corporation Generation of magnetic field proxy through rf frequency dithering
US10345396B2 (en) 2016-05-31 2019-07-09 Lockheed Martin Corporation Selected volume continuous illumination magnetometer
US10330744B2 (en) 2017-03-24 2019-06-25 Lockheed Martin Corporation Magnetometer with a waveguide
US10408890B2 (en) 2017-03-24 2019-09-10 Lockheed Martin Corporation Pulsed RF methods for optimization of CW measurements
US10338163B2 (en) 2016-07-11 2019-07-02 Lockheed Martin Corporation Multi-frequency excitation schemes for high sensitivity magnetometry measurement with drift error compensation
US10359479B2 (en) 2017-02-20 2019-07-23 Lockheed Martin Corporation Efficient thermal drift compensation in DNV vector magnetometry
US10527746B2 (en) 2016-05-31 2020-01-07 Lockheed Martin Corporation Array of UAVS with magnetometers
US10371765B2 (en) 2016-07-11 2019-08-06 Lockheed Martin Corporation Geolocation of magnetic sources using vector magnetometer sensors
US10571530B2 (en) 2016-05-31 2020-02-25 Lockheed Martin Corporation Buoy array of magnetometers
US10317279B2 (en) 2016-05-31 2019-06-11 Lockheed Martin Corporation Optical filtration system for diamond material with nitrogen vacancy centers
US10345395B2 (en) 2016-12-12 2019-07-09 Lockheed Martin Corporation Vector magnetometry localization of subsurface liquids
US10379174B2 (en) 2017-03-24 2019-08-13 Lockheed Martin Corporation Bias magnet array for magnetometer
US10338164B2 (en) 2017-03-24 2019-07-02 Lockheed Martin Corporation Vacancy center material with highly efficient RF excitation
US10459041B2 (en) 2017-03-24 2019-10-29 Lockheed Martin Corporation Magnetic detection system with highly integrated diamond nitrogen vacancy sensor
US10371760B2 (en) 2017-03-24 2019-08-06 Lockheed Martin Corporation Standing-wave radio frequency exciter
RU2662952C1 (ru) * 2017-08-24 2018-07-31 Общество с ограниченной ответственностью Научно-инженерный центр "Энергодиагностика" Установка для испытания изоляции электрооборудования повышенным напряжением

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1008461A (en) * 1961-03-29 1965-10-27 Post Office Improvements in or relating to cable testing
DE10333241B3 (de) * 2003-07-21 2004-11-18 Neumann Elektrotechnik Gmbh Prüfgerät zur Spannungsprüfung von Kabeln und Kabelgarnituren mit VLF-Spannung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6169406B1 (en) * 1998-05-02 2001-01-02 Stanley G. Peschel Very low frequency high voltage sinusoidal electrical testing method, systems and apparatus
US6611148B2 (en) * 2001-07-24 2003-08-26 Henry H. Clinton Apparatus for the high voltage testing of insulated conductors and oscillator circuit for use with same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1008461A (en) * 1961-03-29 1965-10-27 Post Office Improvements in or relating to cable testing
DE10333241B3 (de) * 2003-07-21 2004-11-18 Neumann Elektrotechnik Gmbh Prüfgerät zur Spannungsprüfung von Kabeln und Kabelgarnituren mit VLF-Spannung

Also Published As

Publication number Publication date
WO2009143544A2 (de) 2009-12-03
AT506816B1 (de) 2009-12-15
ATE532080T1 (de) 2011-11-15
AT506816B9 (de) 2010-01-15
EP2281207A2 (de) 2011-02-09
ES2378626T3 (es) 2012-04-16
AT506816A4 (de) 2009-12-15
US20110062967A1 (en) 2011-03-17
EP2281207B1 (de) 2011-11-02
US8542022B2 (en) 2013-09-24

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