Method and Apparatus for Managing Transmission of Power in a Power Transmission Network
First Claim
1. A method of managing transmission of power in a power transmission network by means of a control arrangement, said power transmission network comprising:
- a utility grid comprising transmission lines, distribution lines and one or more substations, one of said substations being a transformer having a high voltage side and a low voltage side, said transformer being adapted to transform power from a high voltage level to a low voltage level,at least one central power producer being adapted to produce power, said power being transformed by said transformer from said high voltage level to said low voltage level,a plurality of power consumers being adapted to consume said power produced by said at least one central power producer when said power is transformed by said transformer,a data communication network connected to said one or more substations, said at least one central power producer, said plurality of power consumers and said control arrangement,said method comprising the steps of;
establishing utility grid characteristic comprising at least one reference value based on at least one parameter reflecting the state of said transformer,continuously monitoring said at least one parameter reflecting the state of said transformer, andcontinuously controlling power consumption and/or power production at said low voltage side of said transformer based on said monitoring of said at least one parameter reflecting the state of said transformer,said controlling of said power consumption and/or said power production comprising regulating said power consumption of one or more of said plurality of power consumers and/or regulating power production of one or more power producers located at said low voltage side of said transformer, so as to comply with said established reference value.
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Abstract
The invention relates to a method of managing transmission of power in a power transmission network, said method comprising the steps of: establishing utility grid characteristic comprising at least one reference value based on at least one parameter reflecting the state of said transformer, continuously monitoring said at least one parameter reflecting the state of said transformer, and continuously controlling power consumption and/or power production at the lower voltage side of said transformer based on said monitoring of said at least one parameter reflecting the state of said transformer, said controlling of said power consumption and/or said power production comprising regulating said power consumption of one or more of said plurality of power consumers and/or regulating said power production of one or more decentralized power producers located at said lower voltage side of said transformer, so as to comply with said established reference value.
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Citations
29 Claims
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1. A method of managing transmission of power in a power transmission network by means of a control arrangement, said power transmission network comprising:
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a utility grid comprising transmission lines, distribution lines and one or more substations, one of said substations being a transformer having a high voltage side and a low voltage side, said transformer being adapted to transform power from a high voltage level to a low voltage level, at least one central power producer being adapted to produce power, said power being transformed by said transformer from said high voltage level to said low voltage level, a plurality of power consumers being adapted to consume said power produced by said at least one central power producer when said power is transformed by said transformer, a data communication network connected to said one or more substations, said at least one central power producer, said plurality of power consumers and said control arrangement, said method comprising the steps of; establishing utility grid characteristic comprising at least one reference value based on at least one parameter reflecting the state of said transformer, continuously monitoring said at least one parameter reflecting the state of said transformer, and continuously controlling power consumption and/or power production at said low voltage side of said transformer based on said monitoring of said at least one parameter reflecting the state of said transformer, said controlling of said power consumption and/or said power production comprising regulating said power consumption of one or more of said plurality of power consumers and/or regulating power production of one or more power producers located at said low voltage side of said transformer, so as to comply with said established reference value. - View Dependent Claims (2, 3, 4, 6, 7, 8, 9, 10, 13, 16, 17, 18, 19, 22, 26, 29)
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5. (canceled)
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11-12. -12. (canceled)
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14-15. -15. (canceled)
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20-21. -21. (canceled)
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23. (canceled)
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24. A micro grid comprising a plurality of power consumers and at least one decentralized power producer being adapted for production of power to one of more of said plurality of power consumers,
wherein said micro grid is located at the lower voltage side of a transformer said transformer being adapted for transforming power from a higher voltage level to a lower voltage level, and wherein said micro grid is further configured so that said plurality of power consumers of said micro grid may further consume power from a central power producer of a utility grid, said utility grid comprising transmission lines and distribution lines, where said micro grid is connected to said utility grid by means of said transformer, wherein one or more of said plurality of power consumers and/or at least one of said at least one decentralized power producer of said micro grid are controllable by means of a control arrangement, said control being based on utility grid characteristic comprising at least one reference value being based on at least one parameter reflecting the state of said transformer, and a monitoring continuously of said at least one parameter reflecting the state of said transformer, so as to comply with said established reference value.
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25. (canceled)
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28. (canceled)
Specification