ELECTRIC POWER CONTROL SYSTEM
First Claim
1. An electric power control system comprising:
- an electric power supplying unit supplying electric power;
a load unit receiving supply of electric power and consuming the electric power;
an energy storing unit being charged with electric power supplied by the electric power supplying unit or discharging electric power to be supplied to the load unit;
a total supplied energy acquiring unit acquiring a total supplied energy, the total supplied energy being a total of electric power supplied by the electric power supplying unit and electric power discharged by the energy storing unit;
a total consumed energy acquiring unit acquiring a total consumed energy, the total consumed energy being a total of electric power consumed by the load unit and electric power with which the energy storing unit is charged;
an energy storage controlling unit, when an electric power supply and demand difference representing a difference between the total supplied energy and the total consumed energy exceeds a preset given range, making the energy storing unit charged with electric power or discharge electric power, and executing control to keep the electric power supply and demand difference within the given range, and also controlling the energy storing unit so as to decrease the charge or discharge electric power over a response time corresponding to a set time constant for energy storing unit; and
a supplied energy controlling unit executing control to change electric power supplied by the electric power supplying unit over a response time corresponding to a set time constant for electric power supplying unit so that the electric power supply and demand difference is kept within the preset given range,wherein the time constant for energy storing unit is set to be longer than the time constant for electric power supplying unit.
1 Assignment
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Accused Products
Abstract
An electric power control system of the present invention includes an electric power supplying means, a load means, and an energy storing means. The electric power control system includes: an energy storage controlling means for controlling the energy storing means so as to decrease charge or discharge electric power over a response time corresponding to a set time constant for energy storing means; and a supplied energy controlling means for executing control to change electric power supplied by the electric power supplying means over a response time corresponding to a set time constant for electric power supplying means so that the electric power supply and demand difference is kept within the preset given range. The time constant for energy storing means is set to be longer than the time constant for electric power supplying means.
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Citations
16 Claims
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1. An electric power control system comprising:
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an electric power supplying unit supplying electric power; a load unit receiving supply of electric power and consuming the electric power; an energy storing unit being charged with electric power supplied by the electric power supplying unit or discharging electric power to be supplied to the load unit; a total supplied energy acquiring unit acquiring a total supplied energy, the total supplied energy being a total of electric power supplied by the electric power supplying unit and electric power discharged by the energy storing unit; a total consumed energy acquiring unit acquiring a total consumed energy, the total consumed energy being a total of electric power consumed by the load unit and electric power with which the energy storing unit is charged; an energy storage controlling unit, when an electric power supply and demand difference representing a difference between the total supplied energy and the total consumed energy exceeds a preset given range, making the energy storing unit charged with electric power or discharge electric power, and executing control to keep the electric power supply and demand difference within the given range, and also controlling the energy storing unit so as to decrease the charge or discharge electric power over a response time corresponding to a set time constant for energy storing unit; and a supplied energy controlling unit executing control to change electric power supplied by the electric power supplying unit over a response time corresponding to a set time constant for electric power supplying unit so that the electric power supply and demand difference is kept within the preset given range, wherein the time constant for energy storing unit is set to be longer than the time constant for electric power supplying unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An electric power control device connected to an electric power supplying unit supplying electric power, a load unit receiving supply of electric power and consuming the electric power, and an energy storing unit being charged with electric power supplied by the electric power supplying unit or discharging electric power to be supplied to the load unit, the electric power control device comprising:
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a total supplied energy acquiring unit acquiring a total supplied energy, the total supplied energy being a total of electric power supplied by the electric power supplying unit and electric power discharged by the energy storing unit; a total consumed energy acquiring unit acquiring a total consumed energy, the total consumed energy being a total of electric power consumed by the load unit and electric power with which the energy storing unit is charged; and an energy storage controlling unit, when an electric power supply and demand difference representing a difference between the total supplied energy and the total consumed energy exceeds a preset given range, making the energy storing unit charged with electric power or discharge electric power, and executing control to keep the electric power supply and demand difference within the given range, and also controlling the energy storing unit so as to decrease the charge or discharge electric power over a response time corresponding to a set time constant for energy storing unit, wherein in a case where the electric power supplying unit includes a supplied energy controlling unit, the time constant for energy storing unit is set to be longer than a set time constant for electric power supplying unit, the supplied energy controlling unit being for executing control to change electric power supplied by the electric power supplying unit over a response time corresponding to the set time constant for electric power supplying unit so that the electric power supply and demand difference is kept within the preset given range. - View Dependent Claims (12)
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13. A non-transitory computer-readable medium storing a program comprising instructions for causing an electric power control device, which is connected to an electric power supplying unit supplying electric power, a load unit receiving supply of electric power and consuming the electric power, and an energy storing unit being charged with electric power supplied by the electric power supplying unit or discharging electric power to be supplied to the load unit, to realize:
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a total supplied energy acquiring unit acquiring a total supplied energy, the total supplied energy being a total of electric power supplied by the electric power supplying unit and electric power discharged by the energy storing unit; a total consumed energy acquiring unit acquiring a total consumed energy, the total consumed energy being a total of electric power consumed by the load unit and electric power with which the energy storing unit is charged; and an energy storage controlling unit, when an electric power supply and demand difference representing a difference between the total supplied energy and the total consumed energy exceeds a preset given range, making the energy storing unit charged with electric power or discharge electric power, and executing control to keep the electric power supply and demand difference within the given range, and also controlling the energy storing unit so as to decrease the charge or discharge electric power over a response time corresponding to a set time constant for energy storing unit, wherein in a case where the electric power supplying unit includes a supplied energy controlling unit, the time constant for energy storing unit is set to be longer than a set time constant for electric power supplying unit, the supplied energy controlling unit being for executing control to change electric power supplied by the electric power supplying unit over a response time corresponding to the set time constant for electric power supplying unit so that the electric power supply and demand difference is kept within the preset given range. - View Dependent Claims (14)
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15. An electric power control method for controlling electric power of an electric power supplying unit supplying electric power, a load unit receiving supply of electric power and consuming the electric power, and an energy storing unit being charged with electric power supplied by the electric power supplying unit or discharging electric power to be supplied to the load unit, the electric power control method comprising:
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acquiring a total supplied energy which is a total of electric power supplied by the electric power supplying unit and electric power discharged by the energy storing unit, and a total consumed energy which is a total of electric power consumed by the load unit and electric power with which the energy storing unit is charged; when an electric power supply and demand difference representing a difference between the total supplied energy and the total consumed energy exceeds a preset given range, making the energy storing unit charged with electric power or discharge electric power, and executing control to keep the electric power supply and demand difference within the given range, and also controlling the energy storing unit so as to decrease the charge or discharge electric power over a response time corresponding to a set time constant for energy storing unit; and executing control to change electric power supplied by the electric power supplying unit over a response time corresponding to the set time constant for electric power supplying unit so that the electric power supply and demand difference is kept within the preset given range, wherein the time constant for energy storing unit is set to be longer than a set time constant for electric power supplying unit. - View Dependent Claims (16)
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Specification