Converter intuitive photovoltaic electrical energy power system

• US 10,326,283 B2
• Filed: 10/25/2017
• Issued: 06/18/2019
• Est. Priority Date: 10/15/2007
• Status: Active Grant

• Current Assignee: Ampt, LLC
• Original Assignee: Ampt, LLC
• Inventors: Porter, Robert M., Ledenev, Anatoli
• Primary Examiner(s): Fleming, Fritz M
• Application Number:
  US15/793,704
• Publication Number:
  US 20180048161A1
• Time in Patent Office: 601 Days
• CPC Class Codes: H02J 13/00 Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
• CPC Class Codes: H02J 2300/26 involving maximum power point tracking control for photovoltaic sources maximum power point systems in particular G05F1/67
• CPC Class Codes: H02J 3/00 Circuit arrangements for ac mains or ac distribution networks
• CPC Class Codes: H02J 3/38 Arrangements for parallely feeding a single network by two or more generators, converters or transformers
• CPC Class Codes: H02J 3/381 Dispersed generators
• CPC Class Codes: H02J 3/388 Islanding, i.e. disconnection of local power supply from the network
• CPC Class Codes: H02M 1/0077 Plural converter units whose outputs are connected in series
• CPC Class Codes: Y02E 10/56 Power conversion systems, e.g. maximum power point trackers
• CPC Class Codes: Y02E 40/70 Smart grids as climate change mitigation technology in the energy generation sector
• CPC Class Codes: Y02P 80/20 using renewable energy
• CPC Class Codes: Y04S 10/123 the energy generation units being or involving renewable energy sources
• CPC Class Codes: Y10S 136/293 Circuits

Abstract

Renewable electrical energy is provided with aspects and circuitry that can harvest maximum power from an alternative electrical energy source (1) such as a string of solar panels (11) for a power grid (10). Aspects include: i) controlling electrical power creation from photovoltaic DC-AC inverter (5), ii) operating photovoltaic DC-AC inverter (5) at maximal efficiency even when MPP would not be, iii) protecting DC-AC inverter (5) so input can vary over a range of insolation and temperature, and iv) providing dynamically reactive capability to react and assure operation, to permit differing components, to achieve code compliant dynamically reactive photovoltaic power control circuitry (41). With previously explained converters, inverter control circuitry (38) or photovoltaic power converter functionality control circuitry (8) configured as inverter sweet spot converter control circuitry (46) can achieve extraordinary efficiencies with substantially power isomorphic photovoltaic capability at 99.2% efficiency or even only wire transmission losses.

Claims

1. An inverter coordinated renewable electrical energy power system comprising:

at least one alternative electrical energy source having a DC photovoltaic output;

at least one photovoltaic DC-DC power converter responsive to said DC photovoltaic output and having a photovoltaic DC converter output;

a DC-AC inverter responsive to said photovoltaic DC converter output;

indirect inverter coordinated photovoltaic power conversion control circuitry that reactively alters switching of said at least one photovoltaic DC-DC power converter to achieve control of operation of said at least one photovoltaic DC-DC power converter; and

a photovoltaic AC power output responsive to said photovoltaic DC-AC inverter.

2. An inverter coordinated photovoltaic electrical energy power system comprising:

at least one alternative electrical energy source having a DC photovoltaic output;

at least one photovoltaic DC-DC power converter responsive to said DC photovoltaic output and having a photovoltaic DC converter output;

an indirect inverter coordinated converter functionality control that reactively alters converter switching to achieve control of said at least one photovoltaic DC-DC power converter;

a DC-AC inverter responsive to said photovoltaic DC converter output; and

a photovoltaic AC power output responsive to said photovoltaic DC-AC inverter.

3. An inverter coordinated photovoltaic electrical energy power system as described in claim 2 wherein said indirect inverter coordinated converter functionality control comprises a direct inverter connection free inverter coordinated converter functionality control.

4. An inverter coordinated photovoltaic electrical energy power system as described in claim 2 wherein said indirect inverter coordinated converter functionality control comprises no direct inverter-converter control connection converter functionality control.

5. An inverter coordinated photovoltaic electrical energy power system as described in claim 4 wherein said no direct inverter-converter control connection converter functionality control comprises no separate direct inverter-converter control connection converter functionality control.

6. An inverter coordinated photovoltaic electrical energy power system as described in claim 4 wherein said no direct inverter-converter control connection converter functionality control comprises no control dedicated direct inverter-converter control connection converter functionality control.

7. An inverter coordinated photovoltaic electrical energy power system as described in claim 3 wherein said direct inverter connection free inverter coordinated converter functionality control comprises an inverter control communication free inverter coordinated converter functionality control.

8. An inverter coordinated photovoltaic electrical energy power system as described in claim 7 wherein said inverter control communication free inverter coordinated converter functionality control comprises no communication inverter-reactive converter functionality control.

9. An inverter coordinated photovoltaic electrical energy power system as described in claim 7 wherein said indirect inverter coordinated converter functionality control comprises a converter switch operation converter functionality control.

10. An inverter coordinated photovoltaic electrical energy power system as described in claim 9 wherein said converter switch operation converter functionality control comprises a converter duty cycle switching converter functionality control.

11. An inverter coordinated photovoltaic electrical energy power system as described in claim 7 wherein said indirect inverter coordinated converter functionality control comprises an inverter sourced converter functionality control.

12. An inverter coordinated photovoltaic electrical energy power system as described in claim 7 wherein said indirect inverter coordinated converter functionality control comprises an inverter operational condition responsive converter functionality control.

13. An inverter coordinated photovoltaic electrical energy power system as described in claim 12 wherein said inverter operational condition responsive converter functionality control comprises a slaved inverter operational condition converter functionality control.

14. An inverter coordinated photovoltaic electrical energy power system as described in claim 7 and further comprising a separate converter functionality control.

15. An inverter coordinated photovoltaic electrical energy power system as described in claim 14 wherein said separate converter functionality control comprises a slaved separate converter functionality control.

16. An inverter coordinated photovoltaic electrical energy power system as described in claim 15 wherein said slaved separate converter functionality control comprises a slaved separate converter functionality control that is slavedly responsive to said indirect inverter coordinated converter functionality control.

17. An inverter coordinated photovoltaic electrical energy power system as described in claim 14 wherein said separate converter functionality control comprises a maximum power point converter functionality control, and wherein said indirect inverter coordinated converter functionality control comprises a maximum power point independent converter functionality control.

18. An inverter coordinated photovoltaic electrical energy power system as described in claim 17 wherein said indirect inverter coordinated converter functionality control and said maximum power point converter functionality control both comprise simultaneous converter functionality control options.

19. An inverter coordinated photovoltaic electrical energy power system as described in claim 18 wherein said maximum power point converter functionality control comprises a slaved maximum power point converter functionality control that is slavedly responsive to said indirect inverter coordinated converter functionality control.

20. An inverter coordinated photovoltaic electrical energy power system as described in claim 14 wherein said separate converter functionality control comprises a power producing photovoltaic boundary condition converter functionality control, and wherein said indirect inverter coordinated converter functionality control comprises a power producing photovoltaic boundary condition independent converter functionality control.

21. An inverter coordinated photovoltaic electrical energy power system as described in claim 20 wherein said indirect inverter coordinated converter functionality control and said power producing photovoltaic boundary condition converter functionality control both comprise simultaneous converter functionality control options.

22. An inverter coordinated photovoltaic electrical energy power system as described in claim 20 wherein said power producing photovoltaic boundary condition converter functionality control comprises a slaved power producing photovoltaic boundary condition converter functionality control that is slavedly responsive to said indirect inverter coordinated converter functionality control.

23. An inverter coordinated photovoltaic electrical energy power system as described in claim 7 wherein said indirect inverter coordinated converter functionality control comprises load effect converter functionality control.

24. An inverter coordinated photovoltaic electrical energy power system as described in claim 23 wherein said load effect converter functionality control comprises a no load present converter functionality control.

25. An inverter coordinated photovoltaic electrical energy power system as described in claim 24 wherein said no load present converter functionality control comprises a power conversion deactivation converter functionality control.

26. An inverter coordinated photovoltaic electrical energy power system as described in claim 7 wherein said indirect inverter coordinated converter functionality control comprises an insolation effect converter functionality control.

27. An inverter coordinated photovoltaic electrical energy power system as described in claim 26 wherein said insolation effect converter functionality control comprises insolation initiation converter functionality control.

28. An inverter coordinated photovoltaic electrical energy power system as described in claim 26 wherein said insolation effect converter functionality control comprises over insolation converter functionality control.

29. An inverter coordinated photovoltaic electrical energy power system as described in claim 7 wherein said indirect inverter coordinated converter functionality control comprises a grid effect converter functionality control.

30. An inverter coordinated photovoltaic electrical energy power system as described in claim 29 wherein said grid effect converter functionality control comprises a grid unconnected converter functionality control.

31. An inverter coordinated photovoltaic electrical energy power system as described in claim 7 wherein said indirect inverter coordinated converter functionality control comprises automatic change accommodation converter functionality control.

32. An inverter coordinated photovoltaic electrical energy power system as described in claim 31 wherein said automatic change accommodation converter functionality control comprises a power conversion activation converter functionality control.

33. An inverter coordinated photovoltaic electrical energy power system as described in claim 32 wherein said automatic change accommodation converter functionality control further comprises a power conversion deactivation converter functionality control.

34. An inverter coordinated photovoltaic electrical energy power system as described in claim 31 wherein said automatic change accommodation converter functionality control comprises a power conversion deactivation converter functionality control.

35. An inverter coordinated photovoltaic electrical energy power system as described in claim 7 wherein said indirect inverter coordinated converter functionality control comprises inverter-specific converter functionality control.

36. An inverter coordinated photovoltaic electrical energy power system as described in claim 35 wherein said inverter-specific converter functionality control comprises inverter-specific effects converter functionality control.

37. An inverter coordinated photovoltaic electrical energy power system as described in claim 36 wherein said inverter-specific effects converter functionality control comprises inverter-specific make and model converter functionality control.

38. An inverter coordinated photovoltaic electrical energy power system as described in claim 36 wherein said inverter-specific effects converter functionality control further comprises inverter-specific make and model converter functionality control.

39. An inverter coordinated photovoltaic electrical energy power system as described in claim 35 wherein said inverter-specific converter functionality control comprises an inverter-specific small energy storage capacitor converter functionality control.

40. An inverter coordinated photovoltaic electrical energy power system as described in claim 7 wherein said indirect inverter coordinated converter functionality control comprises an abrupt change in inverter condition converter functionality control.

41. An inverter coordinated photovoltaic electrical energy power system as described in claim 40 wherein said abrupt change in inverter condition converter functionality control comprise power conversion activation converter functionality control.

42. An inverter coordinated photovoltaic electrical energy power system as described in claim 41 wherein said abrupt change in inverter condition converter functionality control comprise power conversion deactivation converter functionality control.

43. An inverter coordinated photovoltaic electrical energy power system as described in claim 40 wherein said abrupt change in inverter condition converter functionality control comprise power conversion deactivation converter functionality control.

44. An inverter coordinated photovoltaic electrical energy power system as described in claim 40 wherein said abrupt change in inverter condition converter functionality control comprise soft transition converter functionality control.

45. An inverter coordinated photovoltaic electrical energy power system as described in claim 40 wherein said abrupt change in inverter condition converter functionality control comprise crowbar shunt protection effect converter functionality control.

46. An inverter coordinated photovoltaic electrical energy power system as described in claim 7 wherein said indirect inverter coordinated converter functionality control comprises soft transition converter functionality control.

47. An inverter coordinated photovoltaic electrical energy power system as described in claim 7 wherein said indirect inverter coordinated converter functionality control comprises crowbar shunt protection effect converter functionality control.

48. An inverter coordinated photovoltaic electrical energy power system as described in claim 47 wherein said crowbar shunt protection effect converter functionality control comprises power conversion deactivation converter functionality control.

49. An inverter coordinated photovoltaic electrical energy power system as described in claim 7 wherein said indirect inverter coordinated converter functionality control comprises proportional value converter functionality control.

50. An inverter coordinated photovoltaic electrical energy power system as described in claim 49 wherein said proportional value converter functionality control comprises voltage-current proportional converter functionality control.

51. An inverter coordinated photovoltaic electrical energy power system as described in claim 7 wherein said indirect inverter coordinated converter functionality control comprises ramped value converter functionality control.

52. An inverter coordinated photovoltaic electrical energy power system as described in claim 51, wherein said ramped value converter functionality control comprises linearly ramped value converter functionality control.

53. An inverter coordinated photovoltaic electrical energy power system as described in claim 51, wherein said ramped value converter functionality control comprises voltage ramped converter functionality control.

54. An inverter coordinated photovoltaic electrical energy power system as described in claim 53, wherein said ramped value converter functionality control comprises current ramped converter functionality control.

55. An inverter coordinated photovoltaic electrical energy power system as described in claim 51, wherein said ramped value converter functionality control comprises current ramped converter functionality control.

56. An inverter coordinated photovoltaic electrical energy power system as described in claim 51, wherein said ramped value converter functionality control comprises power ramped converter functionality control.

57. An inverter coordinated photovoltaic electrical energy power system as described in claim 7 wherein said indirect inverter coordinated converter functionality control comprises threshold triggered converter functionality control.

58. An inverter coordinated photovoltaic electrical energy power system as described in claim 57 wherein said threshold triggered converter functionality control comprises inverter operational condition threshold responsive converter functionality control.

59. An inverter coordinated photovoltaic electrical energy power system as described in claim 57 wherein said threshold triggered converter functionality control comprises power conversion activation converter functionality control.

60. An inverter coordinated photovoltaic electrical energy power system as described in claim 57 wherein said threshold triggered converter functionality control comprises power conversion deactivation converter functionality control.

61. An inverter coordinated photovoltaic electrical energy power system as described in claim 59 wherein said threshold triggered converter functionality control comprises power conversion deactivation converter functionality control.

62. An inverter coordinated photovoltaic electrical energy power system as described in claim 3 wherein said indirect inverter coordinated converter functionality control comprises a converter operation control.

63. An inverter coordinated photovoltaic electrical energy power system as described in claim 62 wherein said converter operation control comprises a power conversion deactivation converter functionality control.

64. An inverter coordinated photovoltaic electrical energy power system as described in claim 62 wherein said converter operation control comprises a power conversion activation converter functionality control.

65. An inverter coordinated photovoltaic electrical energy power system as described in claim 64 wherein said power conversion activation converter functionality control comprises a conversion startup converter functionality control.

66. An inverter coordinated photovoltaic electrical energy power system as described in claim 65 wherein said conversion startup converter functionality control comprises a conversion soft start converter functionality control.