DE69803678D1 - System zur messung eines wechselstroms - Google Patents

System zur messung eines wechselstroms

Info

Publication number
DE69803678D1
DE69803678D1 DE69803678T DE69803678T DE69803678D1 DE 69803678 D1 DE69803678 D1 DE 69803678D1 DE 69803678 T DE69803678 T DE 69803678T DE 69803678 T DE69803678 T DE 69803678T DE 69803678 D1 DE69803678 D1 DE 69803678D1
Authority
DE
Germany
Prior art keywords
measuring system
measuring
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.)
Expired - Lifetime
Application number
DE69803678T
Other languages
English (en)
Other versions
DE69803678T2 (de
Inventor
Fedor Goemoery
Laura Gherardi
Giacomo Coletta
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.)
Prysmian Cavi e Sistemi Energia SRL
Original Assignee
Pirelli Cavi e Sistemi SpA
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
Priority claimed from IT97MI001740 external-priority patent/IT1293758B1/it
Application filed by Pirelli Cavi e Sistemi SpA filed Critical Pirelli Cavi e Sistemi SpA
Application granted granted Critical
Publication of DE69803678D1 publication Critical patent/DE69803678D1/de
Publication of DE69803678T2 publication Critical patent/DE69803678T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
DE69803678T 1997-07-23 1998-06-18 System zur messung eines wechselstroms Expired - Lifetime DE69803678T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT97MI001740 IT1293758B1 (it) 1997-07-23 1997-07-23 Sistema di misura della resistenza equivalente serie in corrente alternata di un conduttore
US5381097P 1997-07-25 1997-07-25
PCT/EP1998/003719 WO1999005533A2 (en) 1997-07-23 1998-06-18 System for measuring the alternating current equivalent series resistance of a conductor

Publications (2)

Publication Number Publication Date
DE69803678D1 true DE69803678D1 (de) 2002-03-14
DE69803678T2 DE69803678T2 (de) 2002-10-17

Family

ID=26331527

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69803678T Expired - Lifetime DE69803678T2 (de) 1997-07-23 1998-06-18 System zur messung eines wechselstroms

Country Status (9)

Country Link
US (1) US6512383B1 (de)
EP (1) EP0998677B1 (de)
JP (1) JP4119605B2 (de)
AU (1) AU744657B2 (de)
CA (1) CA2297066C (de)
DE (1) DE69803678T2 (de)
ES (1) ES2172164T3 (de)
NZ (1) NZ502167A (de)
WO (1) WO1999005533A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006050766A1 (de) * 2006-10-27 2008-04-30 Helmut-Schmidt-Universität Hamburg Vorrichtung und Verfahren zur Messung der Netzimpedanz auf der Mittelspannungsebene
TWI334931B (en) * 2008-07-17 2010-12-21 Cyrustek Co Intelligent multi-meter with automatic function selection
US9243877B2 (en) * 2010-12-20 2016-01-26 Dyno Nobel Inc. Detonator ignition protection and detection circuit
CN113884772B (zh) * 2021-10-27 2023-08-22 江苏上上电缆集团有限公司 一种基于比例变压器的大截面电缆导体交流等效电阻测试系统及方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1067924B (de) * 1939-10-29 Siemens S. Halske Aktiengesellschaft, Berlin und München Gerät zur Bestimmung der Kurzschlußstromstärke in elektrischen Leitungsnetzen
DE1073621B (de) * 1960-01-21 Siemens & Halske Aktiengesellschaft, Berlin und München Verfahren zur Messung des Netzinnenwiderstandes
US4175253A (en) * 1978-02-22 1979-11-20 Teradyne, Inc. Analyzing electrical circuit boards
US4335349A (en) * 1980-06-05 1982-06-15 John Fluke Mfg. Co., Inc. Simulated ohms generation method and apparatus for calibrating resistance type measuring instruments
US4584525A (en) * 1983-04-18 1986-04-22 General Electric Company Current-shunt system for known conductors
EP0175257A2 (de) * 1984-09-21 1986-03-26 INTERATOM Gesellschaft mit beschränkter Haftung Verfahren zur Strukturüberwachung durch Messen elektrischer Grössen und Vorrichtung sowie Messkopf zur Durchfürung der Verfahrens
US4645906A (en) * 1985-03-04 1987-02-24 Thermon Manufacturing Company Reduced resistance skin effect heat generating system
US4808914A (en) * 1985-10-17 1989-02-28 Harris Corporation Resistance measuring ohms converter circuit employing a constant current source
US4743846A (en) * 1987-03-18 1988-05-10 Hydro-Quebec Rectangular shunt with measurement compensation system
US4797604A (en) * 1987-12-09 1989-01-10 Etcon Corporation Wire length meter suppling current to a wire from which a signal representative of length is derived
US5210490A (en) * 1989-01-11 1993-05-11 Nartron Corporation Linear position sensor having coaxial or parallel primary and secondary windings
US5365179A (en) * 1992-03-19 1994-11-15 Electronic Development, Inc. Apparatus and method for measuring ground impedance
US5227720A (en) * 1992-04-02 1993-07-13 General Electric Company Apparatus and method using a bifilar coil with an integrated loop/switch for resistance measurement of superconductors
US5469070A (en) * 1992-10-16 1995-11-21 Rosemount Analytical Inc. Circuit for measuring source resistance of a sensor
JPH0720172A (ja) * 1993-06-30 1995-01-24 Yokogawa Hewlett Packard Ltd 回路定数・材料特性測定装置
US5481200A (en) * 1993-09-15 1996-01-02 Rosemont Inc. Field transmitter built-in test equipment
DE4331796A1 (de) * 1993-09-18 1995-03-23 Metrawatt Gmbh Gossen Multimeter mit automatischer Meßfunktionseinstellung
US6112531A (en) * 1996-04-19 2000-09-05 Kabushikikaisya, Yyl Superconducting system
US5691644A (en) * 1996-05-10 1997-11-25 Henkels & Mccoy Neutral corrosion condition survey-mitigating induced voltage effects
JP3809223B2 (ja) * 1996-05-30 2006-08-16 アジレント・テクノロジーズ・インク インピーダンス測定装置
US5804979A (en) * 1997-05-13 1998-09-08 Fluke Corporation Circuit for measuring in-circuit resistance and current

Also Published As

Publication number Publication date
US6512383B1 (en) 2003-01-28
NZ502167A (en) 2001-03-30
ES2172164T3 (es) 2002-09-16
DE69803678T2 (de) 2002-10-17
JP2003518606A (ja) 2003-06-10
EP0998677B1 (de) 2002-01-30
AU744657B2 (en) 2002-02-28
WO1999005533A3 (en) 2002-10-03
EP0998677A2 (de) 2000-05-10
CA2297066A1 (en) 1999-02-04
JP4119605B2 (ja) 2008-07-16
WO1999005533A2 (en) 1999-02-04
AU8338898A (en) 1999-02-16
CA2297066C (en) 2005-08-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PRYSMIAN CAVI E SISTEMI ENERGIA S.R.L., MAILAN, IT