FR2694978B1 - Système de mesure d'impédance de batteries en ligne. - Google Patents

Système de mesure d'impédance de batteries en ligne.

Info

Publication number
FR2694978B1
FR2694978B1 FR9310078A FR9310078A FR2694978B1 FR 2694978 B1 FR2694978 B1 FR 2694978B1 FR 9310078 A FR9310078 A FR 9310078A FR 9310078 A FR9310078 A FR 9310078A FR 2694978 B1 FR2694978 B1 FR 2694978B1
Authority
FR
France
Prior art keywords
measurement system
impedance measurement
battery impedance
online battery
online
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 - Fee Related
Application number
FR9310078A
Other languages
English (en)
Other versions
FR2694978A1 (fr
Inventor
John W Wurst
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.)
Btech Inc
Original Assignee
Btech Inc
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 Btech Inc filed Critical Btech Inc
Publication of FR2694978A1 publication Critical patent/FR2694978A1/fr
Application granted granted Critical
Publication of FR2694978B1 publication Critical patent/FR2694978B1/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
    • 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
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/389—Measuring internal impedance, internal conductance or related variables
    • 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
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
FR9310078A 1992-08-21 1993-08-18 Système de mesure d'impédance de batteries en ligne. Expired - Fee Related FR2694978B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/934,102 US5281920A (en) 1992-08-21 1992-08-21 On-line battery impedance measurement

Publications (2)

Publication Number Publication Date
FR2694978A1 FR2694978A1 (fr) 1994-02-25
FR2694978B1 true FR2694978B1 (fr) 1995-02-03

Family

ID=25464968

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9310078A Expired - Fee Related FR2694978B1 (fr) 1992-08-21 1993-08-18 Système de mesure d'impédance de batteries en ligne.

Country Status (4)

Country Link
US (1) US5281920A (fr)
CA (1) CA2101475C (fr)
DE (1) DE4327996C2 (fr)
FR (1) FR2694978B1 (fr)

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Also Published As

Publication number Publication date
US5281920A (en) 1994-01-25
CA2101475A1 (fr) 1994-02-22
CA2101475C (fr) 1997-12-09
DE4327996A1 (de) 1994-03-03
FR2694978A1 (fr) 1994-02-25
DE4327996C2 (de) 1997-04-30

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