Method for assessment of the state of batteries in battery-supported power supply systems
First Claim
1. A method for assessment of a state of batteries in battery-supported power supply systems having at least two parallel battery paths, which alternately supply a load with power or are recharged from a generator depending on the state of charge, comprising:
- after disconnection from the power supply system, automatically recording a discharge characteristic of a no-load voltage by means of a control unit across a discharge resistance during a stage-by-stage discharge cycle from a charged battery which is being operated for a first time on the power supply system;
repeating the stage-by-stage discharge cycle at times which can be defined to record an instantaneous discharge characteristic of the no-load voltage; and
determining an alarm no-load voltage from the instantaneous discharge characteristic of the no-load voltage from a previously defined reserve time and from a final discharge voltage as determined in the first measurement, which alarm no-load voltage represents a measure of energy which remains in the battery, and on reaching which during operation on the load, an alarm is produced for an operator of the power supply system, wherein instantaneous discharge characteristics of the no-load voltage during recharging by photovoltaic systems are recorded in a time window, which can be defined, in the area of sufficiently high solar radiation.
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Accused Products
Abstract
After disconnection from the power supply system, a discharge characteristic of the no-load voltage is recorded automatically by means of a control unit across a discharge resistance during a stage-by-stage discharge cycle from a charged battery which is being operated for the first time on the power supply system. This stage-by-stage discharge cycle is repeated at times which can be defined, in order to record an instantaneous discharge characteristic of the no-load voltage, and an alarm no-load voltage is determined from the instantaneous discharge characteristic of the no-load voltage from a previously defined reserve time and from the final discharge voltage as determined in the first measurement, which alarm no-load voltage represents a measure of the energy which in each case still remains in the battery, and on reaching which during operation on the load, an alarm is produced for the operator of the power supply system.
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Citations
18 Claims
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1. A method for assessment of a state of batteries in battery-supported power supply systems having at least two parallel battery paths, which alternately supply a load with power or are recharged from a generator depending on the state of charge, comprising:
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after disconnection from the power supply system, automatically recording a discharge characteristic of a no-load voltage by means of a control unit across a discharge resistance during a stage-by-stage discharge cycle from a charged battery which is being operated for a first time on the power supply system; repeating the stage-by-stage discharge cycle at times which can be defined to record an instantaneous discharge characteristic of the no-load voltage; and determining an alarm no-load voltage from the instantaneous discharge characteristic of the no-load voltage from a previously defined reserve time and from a final discharge voltage as determined in the first measurement, which alarm no-load voltage represents a measure of energy which remains in the battery, and on reaching which during operation on the load, an alarm is produced for an operator of the power supply system, wherein instantaneous discharge characteristics of the no-load voltage during recharging by photovoltaic systems are recorded in a time window, which can be defined, in the area of sufficiently high solar radiation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An arrangement having a processor, comprising at least two parallel battery paths, which alternately supply a load with power or are recharged by a generator depending on a state of charge, wherein after disconnection from the power supply system, a discharge characteristic of a no-load voltage is recorded across a discharge resistance during a stage-by-stage discharge cycle from a charged battery which is being operated for a first time on the power supply system,
the stage-by-stage discharge cycle repeated at times which can be defined in order to record an instantaneous discharge characteristic of the no-load voltage, and an alarm no-load voltage is determined from the instantaneous discharge characteristic of the no-load voltage from a previously defined reserve time and from a final discharge voltage as determined in a first measurement, which alarm no-load voltage represents a measure of energy which in each case still remains in the battery, and on reaching which during operation on the load, an alarm is produced for the operator of the power supply system, wherein instantaneous discharge characteristics of the no-load voltage during recharging by photovoltaic systems are recorded in a time window, which can be defined, in the area of sufficiently high solar radiation.
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17. A computer program product, which has a computer-readable medium, on which a program is stored, and in conjunction with at least two parallel battery paths, which alternately supply a load with power or are recharged by a generator depending on the state of charge, comprising:
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after disconnection from the power supply system, recording a discharge characteristic of the no-load voltage across a discharge resistance during a stage-by-stage discharge cycle from a charged battery which is being operated for a first time on the power supply system, wherein the stage-by-stage discharge cycle is repeated at times which can be defined in order to record an instantaneous discharge characteristic of the no-load voltage; and determining an alarm no-load voltage from the instantaneous discharge characteristic of the no-load voltage from a previously defined reserve time and from a final discharge voltage as determined in a first measurement, which alarm no-load voltage represents a measure of energy which in each case still remains in the battery, and on reaching which during operation on the load, an alarm is produced for the operator of the power supply system, wherein instantaneous discharge characteristics of the no-load voltage during recharging by photovoltaic systems are recorded in a time window, which can be defined, in the area of sufficiently high solar radiation.
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18. A computer-readable memory medium which is loaded into a memory of a computer, performs the following in conjunction with a battery-supported power supply system having at least two parallel battery paths, which alternately supply a load with power or are recharged by a generator depending on the state of charge, comprising:
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after disconnection from the power supply system, a discharge characteristic of a no-load voltage is recorded across a discharge resistance during a stage-by-stage discharge cycle from a charged battery which is being operated for a first time on the power supply system, wherein the stage-by-stage discharge cycle is repeated at times which can be defined in order to record an instantaneous discharge characteristic of the no-load voltage; and determining an alarm no-load voltage from the instantaneous discharge characteristic of the no-load voltage from a previously defined reserve time and from a final discharge voltage as determined in a first measurement, which alarm no-load voltage represents a measure of energy which in each case still remains in the battery, and on reaching which during operation on the load, an alarm is produced for the operator of the power supply system, wherein instantaneous discharge characteristics of the no-load voltage during recharging by photovoltaic systems are recorded in a time window, which can be defined, in the area of sufficiently high solar radiation.
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Specification