Method and apparatus in an electricity distribution network

• US 9,678,527 B2
• Filed: 04/20/2011
• Issued: 06/13/2017
• Est. Priority Date: 04/20/2011
• Status: Active Grant

• Current Assignee: Telefonaktiebolaget LM Ericsson
• Original Assignee: Telefonaktiebolaget LM Ericsson
• Inventors: Hjelm, Johan, Fikouras, Ioannis
• Primary Examiner(s): Karim, Ziaul
• Application Number:
  US14/112,680
• Publication Number:
  US 20140142767A1
• Time in Patent Office: 2,246 Days
• Field of Search: 700286-296, 307 20
• CPC Class Codes: G05F 5/00 Systems for regulating electric variables by detecting deviations in the electric input to the system and thereby controlling a device within the system to obtain a regulated output
• CPC Class Codes: H02J 2310/60 Limiting power consumption in the network or in one section of the network, e.g. load shedding or peak shaving
• CPC Class Codes: H02J 3/144 Demand-response operation of the power transmission or distribution network
• CPC Class Codes: Y02B 70/3225 Demand response systems, e.g. load shedding, peak shaving
• CPC Class Codes: Y04S 20/222 Demand response systems, e.g. load shedding, peak shaving

Abstract

There is provided a network element in an electricity distribution network, the network element arranged to: identify a plurality of controllable devices connected to the electricity distribution network; determine the capabilities of the plurality of controllable devices; receive an indication of a target power consumption value; calculate which, if any, of the plurality of controllable devices connected to the electricity distribution network should be activated and which, if any, should be inactivated to meet the target power consumption value; and send instructions towards each controllable device that should be activated and each controllable device that should be inactivated to meet the target power consumption value.

Claims

1. A network element in an electricity distribution network, the network element comprising a memory and one or more processors connected to the memory, wherein the one or more processors are arranged to:

create a plurality of sequence skeletons including a first sequence skeleton and a second sequence skeleton, wherein

A) the first sequence skeleton identifies one or more of;

i) a first set of one or more controllable devices that should be activated, ii) a first set of one or more controllable devices that should be inactivated, iii) a first set of one or more controllable device categories for identifying one more controllable devices that should be activated, and iv) a first set of one or more controllable device categories for identifying one more controllable devices that should be activated and

B) the second sequence skeleton identifies one or more of;

i) a second set of one or more controllable devices that should be activated, ii) a second set of one or more controllable devices that should be inactivated, iii) a second set of one or more controllable device categories for identifying one more controllable devices that should be activated, and iv) a second set of one or more controllable device categories for identifying one more controllable devices that should be activated;

associate the first sequence skeleton with a first power consumption value;

associate the second sequence skeleton with a second power consumption value;

identify a plurality of controllable devices connected to the electricity distribution network;

determine one or more capabilities of the plurality of controllable devices;

receive an indication of a target power consumption value;

compare the received target consumption value with the first power consumption value;

compare the received target consumption value with the second power consumption value when the target power consumption value does not match the first power consumption value;

select the second sequence skeleton when the target power consumption value matches the second power consumption value; and

send instructions towards each controllable device identified by the selected sequence skeleton to meet the target power consumption value, wherein

the one or more processors arranged to calculate a plurality of sequence skeletons comprising which of the plurality of controllable devices connected to the electricity distribution network should be activated and which should be inactivated to meet each of a respective plurality of target power consumption values, wherein each of the plurality of target power consumption values identifies a different target power consumption.

2. The network element according to claim 1, wherein the network element is further arranged to send instructions direct to controllable devices.

3. The network element according to claim 1, wherein the network element is further arranged to sends instructions to at least one advanced meter.

4. The network element according to claim 1, wherein the network element is further arranged to calculate an order of activation and inactivation of the controllable devices.

5. The network element according to claim 1, wherein a sequence skeleton is calculated for responding to at least one of:

a failure of an element in the generation infrastructure giving a reduction in electricity generating capacity;

an increase in consumption of electricity from the electricity distribution network; and

a failure of a node of the distribution infrastructure.

6. The network element according to claim 1 wherein at least one of the controllable devices is an electricity storage device.

7. A computer implemented method of controlling an electricity distribution network, the method being performed by a computer and comprising:

creating a plurality of sequence skeletons including a first sequence skeleton and a second sequence skeleton, wherein

A) the first sequence skeleton identifies one or more of;

i) a first set of one or more controllable devices that should be activated, ii) a first set of one or more controllable devices that should be inactivated, iii) a first set of one or more controllable device categories for identifying one more controllable devices that should be activated, and iv) a first set of one or more controllable device categories for identifying one more controllable devices that should be activated and

B) the second sequence skeleton identifies one or more of;

i) a second set of one or more controllable devices that should be activated, ii) a second set of one or more controllable devices that should be inactivated, iii) a second set of one or more controllable device categories for identifying one more controllable devices that should be activated, and iv) a second set of one or more controllable device categories for identifying one more controllable devices that should be activated;

associating the first sequence skeleton with a first power consumption value;

associating the second sequence skeleton with a second power consumption value;

identifying a plurality of controllable devices connected to the electricity distribution network;

determining one or more capabilities of the plurality of controllable devices;

receiving an indication of a target power consumption value;

comparing the received target consumption value with the first power consumption value;

comparing the received target consumption value with the second power consumption value when the target power consumption value does not match the first power consumption value;

selecting the second sequence skeleton when the target power consumption value matches the second power consumption value;

sending instructions towards each controllable device identified by the selected sequence skeleton to meet the target power consumption value; and

calculating a plurality of sequence skeletons, wherein a sequence skeleton defines which of the plurality of controllable devices connected to the electricity distribution network should be activated and which should be inactivated to meet each of a respective plurality of possible target power consumption values.

8. The method of claim 7, further comprising receiving an alert indicating that a power consumption threshold within an area has been reached, wherein the identifying and determining steps are performed as a direct result of receiving the alert.

9. The method of claim 7, wherein the sending of instructions towards each controllable device comprises sending instructions to at least one advanced meter.

10. The method of claim 7, further comprising calculating an order of activation and inactivation of the controllable devices.

11. The method of claim 7, wherein a sequence skeleton is calculated for responding to at least one of:

a failure of an element in the generation infrastructure giving a reduction in electricity generating capacity;

an increase in consumption of electricity from the electricity distribution network; and

a failure of a node of the distribution infrastructure.

12. The method according to claim 7, wherein at least one of the controllable devices is an electricity storage device.

13. The method of claim 7, wherein sending instructions towards each controllable device that should be activated and each controllable device that should be inactivated comprises:

transmitting a command to a selected one of the plurality of controllable devices that should be activated, wherein said selected controllable device is located within a first customer'"'"'s premises, and said command configures the selected controllable device to provide electricity to the electricity distribution network for use by devices within a second customer'"'"'s premises that is different than the first customer premise.

14. A computer program product comprising one or more non-transitory computer-readable mediums storing instructions for:

creating a plurality of sequence skeletons including a first sequence skeleton and a second sequence skeleton, wherein

A) the first sequence skeleton identifies one or more of;

i) a first set of one or more controllable devices that should be activated, ii) a first set of one or more controllable devices that should be inactivated, iii) a first set of one or more controllable device categories for identifying one more controllable devices that should be activated, and iv) a first set of one or more controllable device categories for identifying one more controllable devices that should be activated and

B) the second sequence skeleton identifies one or more of;

i) a second set of one or more controllable devices that should be activated, ii) a second set of one or more controllable devices that should be inactivated, iii) a second set of one or more controllable device categories for identifying one more controllable devices that should be activated, and iv) a second set of one or more controllable device categories for identifying one more controllable devices that should be activated;

associating the first sequence skeleton with a first power consumption value;

associating the second sequence skeleton with a second power consumption value;

identifying a plurality of controllable devices connected to the electricity distribution network;

determining one or more capabilities of the plurality of controllable devices;

receiving an indication of a target power consumption value;

comparing the received target consumption value with the first power consumption value;

comparing the received target consumption value with the second power consumption value when the target power consumption value does not match the first power consumption value;

selecting the second sequence skeleton when the target power consumption value matches the second power consumption value;

sending instructions towards each controllable device identified by the selected sequence skeleton to meet the target power consumption value; and

calculating a plurality of sequence skeletons, wherein a sequence skeleton defines which of the plurality of controllable devices connected to the electricity distribution network should be activated and which should be inactivated to meet each of a respective plurality of possible target power consumption values.