SG34288A1 - Method and apparatus for predicting the remaining capacity and reserve time of a battery on discharge - Google Patents

Method and apparatus for predicting the remaining capacity and reserve time of a battery on discharge

Info

Publication number
SG34288A1
SG34288A1 SG1995001637A SG1995001637A SG34288A1 SG 34288 A1 SG34288 A1 SG 34288A1 SG 1995001637 A SG1995001637 A SG 1995001637A SG 1995001637 A SG1995001637 A SG 1995001637A SG 34288 A1 SG34288 A1 SG 34288A1
Authority
SG
Singapore
Prior art keywords
predicting
battery
discharge
remaining capacity
reserve time
Prior art date
Application number
SG1995001637A
Other languages
English (en)
Inventor
Trung V Nguyen
Original Assignee
At & T Corp
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 At & T Corp filed Critical At & T Corp
Publication of SG34288A1 publication Critical patent/SG34288A1/en

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]
    • G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
    • G01R31/379—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator for lead-acid batteries
    • 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]
    • G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
    • 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
    • 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]
    • G01R31/392—Determining battery ageing or deterioration, e.g. state of health
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S320/00—Electricity: battery or capacitor charging or discharging
    • Y10S320/18—Indicator or display
    • Y10S320/21—State of charge of battery

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)
  • Tests Of Electric Status Of Batteries (AREA)
SG1995001637A 1994-11-23 1995-10-25 Method and apparatus for predicting the remaining capacity and reserve time of a battery on discharge SG34288A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/344,762 US5631540A (en) 1994-11-23 1994-11-23 Method and apparatus for predicting the remaining capacity and reserve time of a battery on discharge

Publications (1)

Publication Number Publication Date
SG34288A1 true SG34288A1 (en) 1996-12-06

Family

ID=23351923

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1995001637A SG34288A1 (en) 1994-11-23 1995-10-25 Method and apparatus for predicting the remaining capacity and reserve time of a battery on discharge

Country Status (5)

Country Link
US (1) US5631540A (ja)
EP (1) EP0714033A3 (ja)
JP (1) JPH08233918A (ja)
CN (1) CN1132355A (ja)
SG (1) SG34288A1 (ja)

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Also Published As

Publication number Publication date
CN1132355A (zh) 1996-10-02
US5631540A (en) 1997-05-20
EP0714033A3 (en) 1996-11-20
EP0714033A2 (en) 1996-05-29
JPH08233918A (ja) 1996-09-13

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