CA2089664A1 - Methode et appareil electrique de mesure pour analyser l'impedance de la source d'une tension alternative - Google Patents

Methode et appareil electrique de mesure pour analyser l'impedance de la source d'une tension alternative

Info

Publication number
CA2089664A1
CA2089664A1 CA2089664A CA2089664A CA2089664A1 CA 2089664 A1 CA2089664 A1 CA 2089664A1 CA 2089664 A CA2089664 A CA 2089664A CA 2089664 A CA2089664 A CA 2089664A CA 2089664 A1 CA2089664 A1 CA 2089664A1
Authority
CA
Canada
Prior art keywords
series
elements
alternating voltage
source
impedance source
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.)
Granted
Application number
CA2089664A
Other languages
English (en)
Other versions
CA2089664C (fr
Inventor
Guy Ross
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.)
Hydro Quebec
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
Publication of CA2089664A1 publication Critical patent/CA2089664A1/fr
Application granted granted Critical
Publication of CA2089664C publication Critical patent/CA2089664C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01R19/145—Indicating the presence of current or voltage
    • G01R19/155—Indicating the presence of voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/06—Measuring leads; Measuring probes
    • G01R1/067—Measuring probes
    • G01R1/06766—Input circuits therefor
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Measurement Of Current Or Voltage (AREA)
CA002089664A 1990-08-17 1991-08-08 Methode et appareil electrique de mesure pour analyser l'impedance de la source d'une tension alternative Expired - Fee Related CA2089664C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US568,713 1990-08-17
US07/568,713 US5105181A (en) 1990-08-17 1990-08-17 Method and electrical measuring apparatus for analyzing the impedance of the source of an actual alternating voltage

Publications (2)

Publication Number Publication Date
CA2089664A1 true CA2089664A1 (fr) 1992-02-18
CA2089664C CA2089664C (fr) 1997-02-04

Family

ID=24272421

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002089664A Expired - Fee Related CA2089664C (fr) 1990-08-17 1991-08-08 Methode et appareil electrique de mesure pour analyser l'impedance de la source d'une tension alternative

Country Status (11)

Country Link
US (1) US5105181A (fr)
EP (1) EP0543877A1 (fr)
JP (1) JPH05509406A (fr)
KR (1) KR960006867B1 (fr)
CN (1) CN1030800C (fr)
AR (1) AR243684A1 (fr)
BR (1) BR9106766A (fr)
CA (1) CA2089664C (fr)
HU (1) HU211049B (fr)
MX (1) MX9100697A (fr)
WO (1) WO1992003743A1 (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5958879A (en) * 1989-10-12 1999-09-28 Ohio University/Edison Biotechnology Institute Growth hormone receptor antagonists and methods of reducing growth hormone activity in a mammal
US6583115B1 (en) 1989-10-12 2003-06-24 Ohio University/Edison Biotechnology Institute Methods for treating acromegaly and giantism with growth hormone antagonists
US5350836A (en) * 1989-10-12 1994-09-27 Ohio University Growth hormone antagonists
US6787336B1 (en) 1989-10-12 2004-09-07 Ohio University/Edison Biotechnology Institute DNA encoding growth hormone antagonists
DE4134695A1 (de) * 1991-10-21 1993-04-22 Beha C Gmbh Pruefgeraet zur anzeige elektrischer spannung
DE4211944A1 (de) * 1992-04-09 1993-10-14 Philips Patentverwaltung Hochspannungseinheit mit einer Meßteiler-Widerstandsanordnung
US5293122A (en) * 1992-06-08 1994-03-08 Lecroy Corporation Signal probe with remote control function
US5503007A (en) * 1992-10-05 1996-04-02 Motorola, Inc. Misfire detection method and apparatus therefor
US5387253A (en) * 1992-12-28 1995-02-07 Motorola, Inc. Spectral misfire detection system and method therefor
JP3526870B2 (ja) * 1993-09-07 2004-05-17 モトローラ・インコーポレイテッド 往復エンジンにおける不点火状態を判定するためのパターン認識方法およびシステム
US6100679A (en) * 1996-09-17 2000-08-08 Tasco, Inc. Voltage indicating instrument
US6259243B1 (en) 1999-06-04 2001-07-10 Lynn C. Lundquist Method for electromagnetically shielding inductive voltage detectors
US6445202B1 (en) 1999-06-30 2002-09-03 Cascade Microtech, Inc. Probe station thermal chuck with shielding for capacitive current
US6965226B2 (en) 2000-09-05 2005-11-15 Cascade Microtech, Inc. Chuck for holding a device under test
US6914423B2 (en) 2000-09-05 2005-07-05 Cascade Microtech, Inc. Probe station
CA2348799A1 (fr) * 2001-05-22 2002-11-22 Marcel Blais Appareil d'essai de composants electroniques
US7492172B2 (en) 2003-05-23 2009-02-17 Cascade Microtech, Inc. Chuck for holding a device under test
US7250626B2 (en) 2003-10-22 2007-07-31 Cascade Microtech, Inc. Probe testing structure
US7187188B2 (en) 2003-12-24 2007-03-06 Cascade Microtech, Inc. Chuck with integrated wafer support
US7656172B2 (en) 2005-01-31 2010-02-02 Cascade Microtech, Inc. System for testing semiconductors
US7535247B2 (en) 2005-01-31 2009-05-19 Cascade Microtech, Inc. Interface for testing semiconductors
US8319503B2 (en) 2008-11-24 2012-11-27 Cascade Microtech, Inc. Test apparatus for measuring a characteristic of a device under test
CN101539598B (zh) * 2009-04-14 2011-12-28 江苏工业学院 交流毫欧表的二端对测试方法
US9128155B2 (en) * 2010-06-02 2015-09-08 Otis Elevator Company Switch detection system
CN102998520B (zh) * 2012-12-25 2015-01-21 黄石供电公司变电运行中心 伸缩杆数字显示高压验电器
CN103219719B (zh) * 2013-03-21 2015-11-11 国家电网公司 一种利用线路出串运行限制短路电流的分析方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3956697A (en) * 1972-04-17 1976-05-11 Ipa Internationale Patent - Und Lizenz-Anstalt Voltage detector for detecting different voltage levels in conductors of an electrical power line
US3868569A (en) * 1973-05-08 1975-02-25 Carl H Faust Apparatus and method for distinguishing between energized and induced voltages on high voltage power lines
US4225817A (en) * 1978-10-10 1980-09-30 Kahlden Gerald D Combined continuity and voltage test instrument
DE3513247A1 (de) * 1985-04-13 1986-10-16 Brown, Boveri & Cie Ag, 6800 Mannheim Messverfahren zur bestimmung des schleifen- oder innenwiderstandes eines wechselstromnetzes und vorrichtung zur anwendung des verfahrens
DE3521633A1 (de) * 1985-06-15 1986-12-18 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zur ermittlung des kleinsignal-innenwiderstandes einer nichtlinearen impulssignalquelle

Also Published As

Publication number Publication date
US5105181A (en) 1992-04-14
AR243684A1 (es) 1993-08-31
KR930701752A (ko) 1993-06-12
BR9106766A (pt) 1993-06-15
MX9100697A (es) 1992-04-01
CN1030800C (zh) 1996-01-24
KR960006867B1 (ko) 1996-05-23
WO1992003743A1 (fr) 1992-03-05
HUT65316A (en) 1994-05-02
EP0543877A1 (fr) 1993-06-02
CA2089664C (fr) 1997-02-04
HU211049B (en) 1995-10-30
CN1059407A (zh) 1992-03-11
JPH05509406A (ja) 1993-12-22
HU9300419D0 (en) 1993-05-28

Similar Documents

Publication Publication Date Title
CA2089664A1 (fr) Methode et appareil electrique de mesure pour analyser l'impedance de la source d'une tension alternative
US6100679A (en) Voltage indicating instrument
KR19980018525A (ko) 향상된 보호용 접지 점퍼 케이블 테스터
CA2207707A1 (fr) Appareil de detection d'un defaut d'isolation dans un dispositif branche a un reseau electrique de transport ou de distribution de courant et procede de detection correspondant
ES8704019A1 (es) Un metodo y un aparato para vigilar la produccion de un suceso y para detectar y obtener informacion sobre el suceso al ocurrir este.
US4481629A (en) Abnormal signal detecting device
KR100360018B1 (ko) 전력기기의 부분방전 검출장치
GB1240263A (en) Improvements in or relating to testing insulated conductors
JPS61181763A (ja) ロ−プウエイ輸送装置の安全線の電気的状態を検出する装置
US3868566A (en) System for monitoring chassis potential relative to a reference
US5303164A (en) Insulation monitor with improved precision
JPS55155258A (en) Device for measuring characteristic of gapless arrester
DE3571698D1 (en) Control circuit for detecting the passage of given level limits
GB2249841A (en) Detecting cable faults
ATE24051T1 (de) Digitale elektrische laengen- oder winkelmesseinrichtung.
JPS57190212A (en) Device for detecting abnormality of measuring device
SU924630A2 (ru) Устройство дл контрол цепи заземлени
JPH08170975A (ja) 電機機器の部分放電検出回路
JPS57106868A (en) Current measuring device
JPH0726977B2 (ja) サージ分類回路
JPH04307Y2 (fr)
JPS5639852A (en) Abnormality detector for cutting tool of machine tool
CA2178822A1 (fr) Procede de verification d'un dispositif isolant electrique fonde sur l'analyse du champ electrique cree le long de l'isolant, et appareil associe
JPS61138178A (ja) 地絡検出装置
JPS6469962A (en) Detecting apparatus of contact resistance

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed