POWER MANAGEMENT SYSTEM, POWER MANAGEMENT DEVICE, AND LARGE POWER-USING POWER LOAD
First Claim
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1. A power management system comprising:
- a power management device configured to manage power to be used by multiple power loads; and
a large power-using power load which is one of the multiple power loads,the large power-using power load being defined as a power load which shows a power consumption larger than a difference between allowable power regarding a total power consumption of the multiple power loads and an upper limit power regarding the total power consumption which is smaller than the allowable power when operating at a maximum power consumption,the power management device including;
a setting unit configured to set the upper limit power;
an acquiring unit configured to acquire the total power consumption given by a measurement value from a measurement unit configured to measure the total power consumption;
a calculating unit configured to calculate remaining available power which is available for the large power-using power load, from the upper limit power set by the setting unit and the total power consumption acquired by the acquiring unit; and
a notification unit configured to notify the remaining available power calculated by the calculating unit, to the large power-using power load, andthe large power-using power load including;
a power-using unit configured to perform a predetermined operation by using power; and
an operation controller configured to allow the power-using unit to start to operate under a condition that a power consumption of the power-using unit is equal to or less than the remaining available power notified by the power management device.
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Abstract
The power management system includes: a power management device for managing power to be used by multiple power loads; and a large power-using power load. The large power-using power load is defined as a power load which shows a power consumption larger than a difference between allowable power and an upper limit power smaller than the allowable power when operating at a maximum power consumption. The power management device calculates remaining available power available for the large power-using power load, from the total power consumption of the multiple power loads and the upper limit power, and notifies the remaining available power to the large power-using power load. The large power-using power load starts to operate under a condition that its power consumption is equal to or less than the remaining available power notified by the power management device.
8 Citations
20 Claims
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1. A power management system comprising:
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a power management device configured to manage power to be used by multiple power loads; and a large power-using power load which is one of the multiple power loads, the large power-using power load being defined as a power load which shows a power consumption larger than a difference between allowable power regarding a total power consumption of the multiple power loads and an upper limit power regarding the total power consumption which is smaller than the allowable power when operating at a maximum power consumption, the power management device including; a setting unit configured to set the upper limit power; an acquiring unit configured to acquire the total power consumption given by a measurement value from a measurement unit configured to measure the total power consumption; a calculating unit configured to calculate remaining available power which is available for the large power-using power load, from the upper limit power set by the setting unit and the total power consumption acquired by the acquiring unit; and a notification unit configured to notify the remaining available power calculated by the calculating unit, to the large power-using power load, and the large power-using power load including; a power-using unit configured to perform a predetermined operation by using power; and an operation controller configured to allow the power-using unit to start to operate under a condition that a power consumption of the power-using unit is equal to or less than the remaining available power notified by the power management device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification
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Current AssigneePanasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
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Original AssigneePanasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
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InventorsTakehara, Kiyotaka, Nakakita, Kenji, Nomura, Hitoshi, Ogasawara, Fumitaka, Nagae, Erina
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current1/1
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CPC Class CodesG05F 1/12 wherein the variable actual...H02J 2310/12 The local stationary networ...H02J 2310/60 Limiting power consumption ...H02J 3/14 by switching loads on to, o...H02J 3/46 Controlling of the sharing ...Y02B 70/3225 Demand response systems, e....Y04S 20/222 Demand response systems, e....
