RU95120209A - METHOD AND DEVICE FOR PRELIMINARY CALCULATION OF THE VALUES OF REMAINING CAPACITY AND THE CHARGING TIME OF THE BATTERY BATTERY DURING ITS DISCHARGE - Google Patents
METHOD AND DEVICE FOR PRELIMINARY CALCULATION OF THE VALUES OF REMAINING CAPACITY AND THE CHARGING TIME OF THE BATTERY BATTERY DURING ITS DISCHARGEInfo
- Publication number
- RU95120209A RU95120209A RU95120209/09A RU95120209A RU95120209A RU 95120209 A RU95120209 A RU 95120209A RU 95120209/09 A RU95120209/09 A RU 95120209/09A RU 95120209 A RU95120209 A RU 95120209A RU 95120209 A RU95120209 A RU 95120209A
- Authority
- RU
- Russia
- Prior art keywords
- battery
- discharge
- capacity
- voltage
- during
- Prior art date
Links
- 238000000034 method Methods 0.000 claims 19
- 238000007599 discharging Methods 0.000 claims 3
- 238000005259 measurement Methods 0.000 claims 2
- 230000001419 dependent Effects 0.000 claims 1
Claims (1)
3. Способ прогнозирования оставшейся емкости и резервного времени аккумуляторной батареи в процессе разрядки по п. 2, в котором шаг определения оставшейся резервной емкости аккумуляторной батареи в процессе разрядки включает представление отношения оставшейся емкости к максимальной емкости в виде экспоненциальной функции.2. A method for predicting the remaining capacity and the backup battery time during the discharge process according to claim 1, in which the determination of the battery overvoltage is expressed as
3. The method for predicting the remaining capacity and the backup battery time during the discharge process according to claim 2, wherein the step of determining the remaining backup battery capacity during the discharge process includes presenting the ratio of the remaining capacity to the maximum capacity as an exponential function.
где Qmax, а, b, с, d и е являются предопределенными параметрами, определяемыми конструкцией аккумуляторной батареи.4. A method for predicting the remaining capacity and backup time of the battery during the discharge process according to claim 3, in which the exponential expression is given in the form
where Q max , a, b, c, d and e are predefined parameters determined by the design of the battery.
8. Способ прогнозирования резервного времени разряжающейся аккумуляторной батареи при известной максимальной емкости по п. 5, в котором шаг определения температурной зависимости включает вычисление уравнения
9. Способ прогнозирования оставшейся емкости и резервного времени разряжающейся аккумуляторной батареи, отличающийся тем, что включает в себя шаги: измерения напряжения разрядки аккумуляторной батареи, измерения тока разрядки аккумуляторной батареи и измерения температуры аккумуляторной батареи для определения перенапряжения η аккумуляторной батареи с поправкой на температуру в виде
где Ераз - напряжение аккумуляторной батареи при разомкнутой цепи;
I - ток разрядки аккумуляторной батареи;
Rвнутр - внутреннее сопротивление аккумуляторной батареи;
Vбатареи - напряжение аккумуляторной батареи в процессе разрядки;
Т - температура аккумуляторной батареи,
определения значения Q оставшейся емкости с использованием характеристической кривой в виде
и с использованием предопределенных значений параметров Qmax, a, b, с, d и е и определения резервного времени t в соответствии с соотношением t=Q/I время.7. A method for predicting the backup time of a discharged battery with a known maximum capacity according to claim 5, in which the step of bringing the temperature dependence of the overvoltage of the battery to the ratio of the capacity of the discharged battery to its maximum capacity includes calculating the equation
8. A method for predicting the backup time of a discharged battery with a known maximum capacity according to claim 5, in which the step of determining the temperature dependence includes calculating the equation
9. A method for predicting the remaining capacity and backup time of a discharged battery, characterized in that it includes the steps of: measuring the discharge voltage of the battery, measuring the discharge current of the battery and measuring the temperature of the battery to determine the overvoltage η of the battery, adjusted for temperature in the form
where E times is the voltage of the battery with an open circuit;
I is the discharge current of the battery;
R int - internal resistance of the battery;
V batteries - the voltage of the battery during discharge;
T is the temperature of the battery,
determining the Q value of the remaining capacity using the characteristic curve in the form
and using the predefined values of the parameters Q max , a, b, c, d and e and determining the standby time t in accordance with the ratio t = Q / I time.
где
Qmax - максимальная теоретическая емкость аккумуляторной батареи;
Ераз - напряжение аккумуляторной батареи при разомкнутой цепи;
I - ток разрядки аккумуляторной батареи;
Rвнутр - внутреннее сопротивление аккумуляторной батареи;
Vбатареи - напряжение аккумуляторной батареи в процессе разрядки;
Т - температура аккумуляторной батареи,
а, b, с, d и е - аппроксимирующие параметры кривой, относящиеся к конструкции аккумуляторной батареи,
и вычисления значения резервного времени t для оставшейся емкости в соответствии с соотношением t=Q/I.10. A method for predicting the remaining capacity and the backup battery discharge time, characterized in that it includes the steps of: measuring the battery discharge data at selected constant discharge currents to obtain a characteristic curve of the battery capacity versus battery overvoltage with temperature correction in accordance with the ratio
Where
Q max - the maximum theoretical capacity of the battery;
E times - battery voltage with an open circuit;
I is the discharge current of the battery;
R int - internal resistance of the battery;
V batteries - the voltage of the battery during discharge;
T is the temperature of the battery,
a, b, c, d and e are approximating curve parameters related to the design of the battery,
and calculating the value of the standby time t for the remaining capacity in accordance with the ratio t = Q / I.
ηT = Eраз-IRвнутр-Vбатареи,
где Т - температура, зависящая от батареи;
Ераз - напряжение аккумуляторной батареи при разомкнутой цепи;
IRвнутр - внутреннее падение напряжения в аккумуляторной батареи;
Vбатареи - напряжение аккумуляторной батареи при разрядке.13. The method for predicting the remaining capacity and the backup battery time during the discharge process according to claim 11, in which the determination of the temperature-related overvoltage of the battery is expressed as
ηT = E times -IR int -V batteries ,
where T is the temperature dependent on the battery;
E times - battery voltage with an open circuit;
IR int - internal voltage drop in the battery;
V batteries - battery voltage during discharge.
где
где Qmax - предопределенный параметр, зависящий от конструктивного исполнения аккумуляторной батареи.14. The method for predicting the remaining capacity and the backup battery time during the discharge process according to claim 12, wherein the step of determining the remaining backup battery capacity during the discharge process includes presenting the ratio of the remaining capacity to the maximum capacity as a function η,
Where
where Q max is a predetermined parameter depending on the design of the battery.
16. Способ прогнозирования оставшейся емкости и резервного времени аккумуляторной батареи в процессе разрядки, включающий шаг определения напряжения аккумуляторной батареи при разомкнутой цепи, отличающийся тем, что включает в себя шаги: измерения тока разрядки и напряжения разрядки аккумуляторной батареи в процессе разрядки; вычисления оставшейся резервной емкости аккумуляторной батареи в процессе разрядки путем получения значения перенапряжения аккумуляторной батареи на основании вычисленных и измеренных параметров аккумуляторной батареи, включая напряжение при разомкнутой цепи, ток разрядки и напряжение разрядки; использования значения резервной емкости для определения резервного времени, оставшегося до итогового конечного напряжения.15. A method for predicting the remaining capacity and backup time of the battery during the discharge process according to claim 13, in which the expression has the form
16. A method for predicting the remaining capacity and backup time of the battery during the discharge process, comprising the step of determining the voltage of the battery when the circuit is open, characterized in that it includes the steps of: measuring the discharge current and the discharge voltage of the battery during discharge; calculating the remaining backup capacity of the battery during the discharge process by obtaining the battery overvoltage value based on the calculated and measured parameters of the battery, including open circuit voltage, discharge current, and discharge voltage; using the reserve capacity value to determine the reserve time remaining before the final final voltage.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/344.762 | 1994-11-23 |
Publications (1)
Publication Number | Publication Date |
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RU95120209A true RU95120209A (en) | 1997-12-20 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014179313A1 (en) * | 2013-04-29 | 2014-11-06 | Enerdel, Inc. | System and method for monitoring a state of health of a battery system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014179313A1 (en) * | 2013-04-29 | 2014-11-06 | Enerdel, Inc. | System and method for monitoring a state of health of a battery system |
US10326176B2 (en) | 2013-04-29 | 2019-06-18 | Enerdel, Inc. | System and method for monitoring a state of health of a battery system |
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