FEED WATER CONTROL SYSTEM AND FEED WATER CONTROL METHOD

WIPO Patent Application WO/2014/068728

A1

[Problem] To reduce power consumption by a feed water pump in a time zone when electric power demand is large. [Solution] A feed water control system (1) is provided with: a first water tank (an elevated water tank (13)); a feed water pump (12) for delivering water supplied from a water utility company to the first water tank; and a feed water pump control unit (a feed water control device (14)) for controlling the operation of the feed water pump (12). In this feed water control system (1), the feed water pump control unit predicts a first water demand prediction amount indicating the total amount of water demand in a predetermined period on the basis of data indicating past water demand, and controls the operation of the feed water pump (12) such that the total amount of water to be delivered to the first water tank in the predetermined period matches the first water demand prediction amount, and such that part of water demand in a time zone when electric power demand is large is supplied in a time zone when electric power demand is small, and the feed water pump (12) operates in accordance with the control of the feed water pump control unit, and delivers a water amount corresponding to the first water demand prediction amount to the first water tank in the predetermined period.

TAKAHASHI SHINSUKE (JP)
FUJII KENJI (JP)

PCT/JP2012/078236

May 08, 2014

October 31, 2012

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HITACHI LTD (JP)

F04D15/00; F04B49/02; F04B49/06

JPS58112108A

1983-07-04

OHGA, Shinji et al. (JP)
Heartly congratulation Shinji (JP)

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