Method, system and computer program for load management
First Claim
1. A method to manage electrical demand automatically in an electrical power generation, transmission and distribution network (1) in which a characteristic of power supply for said electrical power network is determined and at least one first load is changed, comprising the steps of:
- issuing a control signal to one or more load point devices (15) specifying a change in the value of the first load currently being consumed, specifying in the control signal the magnitude of the change to be made in value of the first load currently being consumed, specifying in the control signal that the load shall either be a decrease or an increase in magnitude, calculating in the one or more load point devices which one or more of at least two second loads to change, where each second load forms a part of the first load, providing a signal to switch at least one second load thereby changing the magnitude of the first load, which signal to switch the at least one second load comprises a means to invoke a remote procedure.
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Abstract
The invention concerns a system, a method, and a computer program product for load management in an electrical power generation, transmission and distribution network. A device arranged at a load point comprises means for a procedure call that may be remotely invoked in order to switch on or off a part load of an end user for the purpose of load demand management. The invention enables load to be reduced incrementally and restored quickly and automatically. The invention is carried out in part by a computer program product. The invention advantageously uses web technology to provide a power network with automated load management in an economic way. In a power network, the invention spreads the load shaving more evenly over a wide geographical area, as opposed to the traditional method of “rotating blackouts.”
116 Citations
43 Claims
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1. A method to manage electrical demand automatically in an electrical power generation, transmission and distribution network (1) in which a characteristic of power supply for said electrical power network is determined and at least one first load is changed, comprising the steps of:
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issuing a control signal to one or more load point devices (15) specifying a change in the value of the first load currently being consumed, specifying in the control signal the magnitude of the change to be made in value of the first load currently being consumed, specifying in the control signal that the load shall either be a decrease or an increase in magnitude, calculating in the one or more load point devices which one or more of at least two second loads to change, where each second load forms a part of the first load, providing a signal to switch at least one second load thereby changing the magnitude of the first load, which signal to switch the at least one second load comprises a means to invoke a remote procedure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 42, 43)
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- 22. A system for managing loads automatically in an electrical power generation, transmission and distribution network (1), which comprises a device (15) arranged at one or more given electrical load points and arranged with means to receive a data communication, wherein the system comprises a plurality of load point devices that comprise a computer program product arranged to receive the data communication (32), identify whether a first load controlled by the load point device shall be decreased in magnitude and calculate which of one or more second loads forming a part of the first load shall be disconnected, wherein the computer program product is arranged to provide a signal to switch on or off one or more second loads with means which may be remotely invoked and which when so invoked result in the generation of a signal to switch off the second load.
Specification