Maximum demand power control apparatus
First Claim
1. An apparatus for controlling maximum demand power, said apparatus comprising:
- a wattmeter for measuring a total consumption power of all power loads within a single facility or within a single area;
a power warning apparatus for estimating a maximum demand power for the single facility or the single area using a power value measured by said wattmeter, and also for outputting power warning information in response thereto;
at least one consumption power control apparatus for controlling the consumption power of a power load previously assigned thereto from among all of the power loads, based on said power warning information;
a pair of transmission lines for connecting said power warning apparatus and said at least one consumption power control apparatus;
a relay device connected to said power warning apparatus via said pair of transmission lines for receiving said power warning information;
at least one additional transmission line connected to said relay device; and
at least one additional consumption power control apparatus connected to said power warning apparatus via said relay device and said at least one additional transmission line,wherein said at least one additional power consumption control apparatus controls the power consumption of a power load previously assigned thereto based on said power warning information output by said additional transmission line by means of said relay device.
1 Assignment
0 Petitions
Accused Products
Abstract
A maximum demand power control apparatus is provided which can be easily wired up even when a large number of loads are to be controlled, and wherein the burden related to control does not fall on one device. In the construction, a sensor node 2 estimates the consumption power amount for a whole facility on the basis of the pulses outputted from an integrating wattmeter 1, and outputs power warnings information to a transmission line 5 based on the estimation. Control nodes 3a to 3c respectively control the consumption power of power loads 4a to 4c corresponding to the respective control nodes, according to power warning information received via the transmission line 5.
-
Citations
32 Claims
-
1. An apparatus for controlling maximum demand power, said apparatus comprising:
-
a wattmeter for measuring a total consumption power of all power loads within a single facility or within a single area; a power warning apparatus for estimating a maximum demand power for the single facility or the single area using a power value measured by said wattmeter, and also for outputting power warning information in response thereto; at least one consumption power control apparatus for controlling the consumption power of a power load previously assigned thereto from among all of the power loads, based on said power warning information; a pair of transmission lines for connecting said power warning apparatus and said at least one consumption power control apparatus; a relay device connected to said power warning apparatus via said pair of transmission lines for receiving said power warning information; at least one additional transmission line connected to said relay device; and at least one additional consumption power control apparatus connected to said power warning apparatus via said relay device and said at least one additional transmission line, wherein said at least one additional power consumption control apparatus controls the power consumption of a power load previously assigned thereto based on said power warning information output by said additional transmission line by means of said relay device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. A method for controlling power consumption among a plurality of loads, said method comprising the steps of:
-
sensing an amount of power consumed by said plurality of loads and generating a warning signal in response thereto; transmitting said warning signal across a transmission line from a relay device associated with said sensor and coupled to said transmission line to at least one control node associated with at least one of said plurality of loads; using said at least one control node to generate a control signal in response to said warning signal; and controlling at least one of said plurality of loads in response to said control signal. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
-
-
17. An apparatus for controlling consumption power of a plurality of loads comprising:
-
a sensor for sensing the power consumed by said plurality of loads and for generating a warning signal in response thereto; at least one control node coupled to at least one of said plurality of loads; and a transmission line coupling said sensor to said at least one control node, said sensor comprising a relay coupled to a power apparatus via said transmission line for supplying said power; said at least one control node being responsive to said power signal to generate a control signal in response to said warning signal; and at least one of said plurality of loads being responsive to said control signal to reduce an amount of power consumed. - View Dependent Claims (18, 19, 20, 21, 22)
-
-
23. An apparatus for controlling maximum demand power, said apparatus comprising:
-
a wattmeter for measuring a total consumption power of all power loads within a single facility or within a single area; a power warning apparatus for estimating a maximum demand power for the single facility or the single area using a power value measured by said wattmeter, and outputting power warning information based on the estimated results; at least one consumption power control apparatus for controlling the consumption power of a power load previously assigned thereto from among all of the power loads, based on said power warning information; a pair of transmission lines for connecting said power warning apparatus and said at least one consumption power control apparatus; wherein said power warning device adds an address specifying any one of said at least one consumption power control devices or all of said at least one consumption power control devices to said power warning information and outputs them to said pair of transmission lines; and when the address added to said power warning information specifies a specific consumption power control device, said consumption power control device specified by said address controls consumption power of a power load self-assigned to said consumption power control device based on power warning information to which a relevant address was added, and when said address specifies all of said at least one consumption power control devices, each of said at least one power consumption devices controls consumption power of a power load respectively assigned thereto based on said power warning information to which a relevant address was added.
-
-
24. An apparatus for controlling maximum demand power, said apparatus comprising:
-
a wattmeter for measuring a total consumption power of all power loads within a single facility or within a single area; a power warning apparatus for estimating a maximum demand power for the single facility or the single area using a power value measured by said wattmeter, and outputting power warning information based on the estimated results; an intensity sensor for measuring an intensity of a specific range within the single facility or within the single area; an intensity information output device for outputting intensity information based on an intensity measured by said intensity sensor; at least one consumption power control device for controlling consumption power of a power load assigned in advance from among all said power loads based on said power warning information and said intensity information and a pair of transmission lines for connecting said power warning device, said intensity information output device and said at least one consumption power control device.
-
-
25. An apparatus for controlling maximum demand power, said apparatus comprising:
-
a wattmeter for measuring a total consumption power of all power loads within a single facility or within a single area; a power warning apparatus for estimating a maximum demand power for the single facility or the single area using a power value measured by said wattmeter, and outputting power warning information based on the estimated results; and at least one consumption power control apparatus for controlling the consumption power of a power load previously assigned thereto from among all of the power loads, based on said power warning information wherein said power warning apparatus and said at least one consumption power control apparatus are connected by a single paired transmission line; said power warning device forecasts said total power consumption consumed in a predetermined time period every predetermined time interval. - View Dependent Claims (26, 27, 28, 29, 30, 31)
-
-
32. An apparatus for controlling maximum demand power, said apparatus comprising:
-
a wattmeter for measuring a total consumption power of all power loads within a single facility or within a single area, a power warning apparatus for estimating a maximum demand power for the single facility or the single are using a power value measured by said wattmeter, and outputting power warning information based on the estimate results, at least one consumption power control apparatus for controlling the consumption power of a power load previously controlling the consumption power of a power load previously assigned thereto from among all of the power loads, based on said power warning information, a single paired transmission line for connecting said power warning apparatus and said at least one consumption power control apparatus, a relay device connected to said power warning apparatus for receiving said power warning information; at least one additional transmission line connected to said relay device; and at least one additional consumption power control apparatus connected to said power warning apparatus via said relay device and said at least one additional transmission line, wherein said at least one additional power consumption control apparatus controls the power consumption of a power load previously assigned thereto based on said power warning information, wherein said power warning device forecasts said total power consumption consumed in a predetermined time period every predetermined time interval.
-
Specification