Title:
PHOTOVOLTAIC POWER GENERATION DEVICE COOPERATING HOT WATER STORAGE TYPE HOT WATER SUPPLY SYSTEM, AND PHOTOVOLTAIC POWER GENERATION DEVICE COOPERATING HOT WATER STORAGE TYPE HOT WATER SUPPLY DEVICE
Document Type and Number:
Japanese Patent JP2018165596
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To reduce costs by reducing a power purchase amount during a night boiling-up operation.SOLUTION: A surplus boiling-up control part 40 switches control of a heat pump device 19, so that a daytime boiling-up operation is executed when a cumulative value is not less than a threshold value based on whether or not the cumulative value in a high surplus power period on the next day is a predetermined threshold value, and the daytime boiling-up operation is not executed when the cumulative value is less than the threshold value. Thus, even if the high surplus power period includes a period when a surplus power estimation value is less than a device use power estimation value, a cumulative value before and after the included period when the surplus power estimation value is not less than the device use power estimation value becomes not less than the threshold value and thereby it is switched to the daytime boiling-up operation, resulting in prevention of waste due to no daytime boiling-up operation.SELECTED DRAWING: Figure 5
Inventors:
OMOMO MASAMI
HONMA MAKOTO
IWAO KENSUKE
HONMA MAKOTO
IWAO KENSUKE
Application Number:
JP2017063402A
Publication Date:
October 25, 2018
Filing Date:
March 28, 2017
Export Citation:
Assignee:
CORONA CORP
International Classes:
F24H1/18; F24H4/02
Domestic Patent References:
| JP2012172915A | 2012-09-10 | |||
| JP2013110951A | 2013-06-06 | |||
| JP2017099214A | 2017-06-01 |
Attorney, Agent or Firm:
Hirofumi Masuda
Hiroyuki Masuda
Hiroyuki Masuda