A smart link in a power delivery system includes an insulator, which electrically isolates a power line, and a switchable conductance placed in parallel with the insulator. The switchable conductance includes switchgear for sourcing, sinking, and/or dispatching real and/or reactive power on the powe
A smart link in a power delivery system includes an insulator, which electrically isolates a power line, and a switchable conductance placed in parallel with the insulator. The switchable conductance includes switchgear for sourcing, sinking, and/or dispatching real and/or reactive power on the power line to dynamically in response to dynamic loading, transient voltages and/or currents, and phase conditions or other conditions on the power line.
대표청구항▼
1. A method, comprising: in a power delivery system that includes an insulator assembly deployed to electrically isolate a power line, the insulator assembly having two switchable states—an insulating state and a parallel conducting state,sensing a power line condition or parameter; andin response,
1. A method, comprising: in a power delivery system that includes an insulator assembly deployed to electrically isolate a power line, the insulator assembly having two switchable states—an insulating state and a parallel conducting state,sensing a power line condition or parameter; andin response, switching the insulator assembly to the parallel conducting state;wherein switching the insulator assembly to the parallel conducting state comprises diverting a current through a resistive device or varistor;wherein diverting a current through a resistive device or varistor comprises thermally coupling the resistive device or varistor to a heat sink to dissipate resistive heat;wherein thermally coupling the resistive device or varistor to a heat sink comprises thermally coupling the resistive device or varistor to the heat sink having phase change materials to absorb heat; andwherein thermally coupling the resistive device or varistor to a heat sink comprises providing current carrying paths in the resistive device or varistor and intermixing the phase-change materials of the heat sink within the current carrying paths. 2. The method of claim 1, wherein switching the insulator assembly to the parallel conducting state comprises sourcing, sinking, and/or dispatching real and/or reactive power on the power line. 3. The method of claim 1, wherein switching the insulator assembly to the parallel conducting state comprises modifying a power line series impedance and/or shunt impedance. 4. The method of claim 1, wherein switching the insulator assembly to the parallel conducting state comprises modifying a power line phase angle. 5. The method of claim 1, wherein switching the insulator assembly to the parallel conducting state comprises modifying an occurrence of sub harmonic oscillations on the power line. 6. The method of claim 1, wherein switching the insulator assembly to the parallel conducting state comprises diverting a current around the insulator state. 7. The method of claim 1, wherein switching the insulator assembly to the parallel conducting state comprises diverting a current through a current limiter, a lightning arrester, a surge suppressor, and/or a grounding device. 8. The method of claim 1, wherein sensing a power line condition or parameter comprises sensing breakdown or an anticipated breakdown of the insulator state. 9. The method of claim 1, wherein sensing a power line condition or parameter comprises sensing a rising voltage across the insulator state. 10. The method of claim 1, wherein sensing a power line condition or parameter comprises predicting a voltage rise due to measured properties elsewhere on the power line. 11. The method of claim 1, wherein sensing a power line condition or parameter comprises predicting an imminent lightning strike. 12. The method of claim 1, further comprising, reswitching the insulator assembly to its insulator state. 13. The method of claim 1, further comprising, sensing a voltage zero-crossing in the power line, and accordingly reswitching the insulator assembly to the insulator state. 14. The method of claim 1, further comprising, sensing a magnetic field effect of the power line, and accordingly reswitching the insulator assembly to the insulator state. 15. The method of claim 1, further comprising, sensing cessation of photo-injection in a semiconductor, and accordingly reswitching the insulator assembly to its insulator state.
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