Inline dc feeder DC/DC voltage step-up harness
An inline DC feeder DC/DC voltage step-up harness for photovoltaic solar facilities includes a housing, a plurality of PV input connectors, at least one PV output connector. The housing incorporates a DC/DC converter, and has an input and an output. The plurality of PV input connectors are operatively connected to the housing at the input. The PV output connector is operatively connected to the housing at the output.
1. An arrangement in a photovoltaic solar facility, comprising:
(a) a plurality of inline DC feeder DC/DC voltage step-up harnesses each comprising a weatherproof housing containing a plurality of DC/DC converters each having a two-pole input and a two-pole output,
(i) wherein, in the housing for each respective inline DC feeder DC/DC voltage step-up harness, the outputs of the plurality of DC/DC converters are connected together in parallel, and are terminated with a respective pair of connectors located on an outside of the housing and provided as an exterior two-pole output from the housing, and
(ii) wherein, for each inline DC feeder DC/DC voltage step-up harness, the two-pole input of each respective DC/DC converter is terminated with a respective pair of connectors located on an outside of the respective housing and provided as a two-pole input exterior to the housing for the respective converter;
(b) a plurality of PV inputs; and
(c) a combiner box that feeds into a central inverter;
(d) wherein each said exterior two-pole input of each said harness is connected via its connectors to a respective one of the plurality of PV inputs; and
(e) wherein the exterior two-pole output of the housing of each respective harness is connected via its connectors to the combiner box.
2. The arrangement of claim 1 , wherein each of the plurality of PV inputs comprises a PV string.
3. The arrangement of claim 2 , wherein the plurality of PV inputs is between 12 and PV strings inclusive.
4. The arrangement of claim 3 , wherein each housing contains four DC/DC converters.
5. The arrangement of claim 1 , wherein the voltage at each two-pole input is 600 volts.
6. The arrangement of claim 1 , wherein the amperage at each two-pole input is 15 amperes.
7. The arrangement of claim 1 , wherein the voltage at the exterior two-pole output of each housing is 1,500 volts.
8. The arrangement of claim 1 , wherein the amperage at the exterior two-pole output of each housing is 30 amperes.
9. The arrangement of claim 1 , wherein the pair of connectors terminating each two-pole input comprises a pair of standard PV connectors.
10. The arrangement of claim 1 , wherein the pair of connectors terminating each two-pole output comprises a pair of standard PV connectors.
11. An arrangement in a photovoltaic solar facility, comprising:
(a) a plurality of inline DC feeder DC/DC voltage step-up harnesses each comprising a weatherproof housing containing a plurality of DC/DC converters each having a two-pole input and a two-pole output,
(i) wherein, in the housing for each respective inline DC feeder DC/DC voltage step-up harness, the outputs of the plurality of DC/DC converters are connected together in parallel, and are terminated with a respective pair of connectors located on an outside of the housing and provided as an exterior two-pole output from the housing, and
(ii) wherein, for each inline DC feeder DC/DC voltage step-up harness, the two-pole input of each respective DC/DC converter is terminated with a respective pair of connectors located on an outside of the respective housing and provided as a two-pole input exterior to the housing for the respective converter;
(b) a plurality of PV inputs; and
(c) a string inverter;
(d) wherein each said exterior two-pole input of each said harness is connected via its connectors to a respective one of the plurality of PV inputs; and
(e) wherein the exterior two-pole output of the housing of each respective harness is connected via its connectors to the string inverter.
12. The arrangement of claim 11 , wherein each of the plurality of PV inputs comprises a PV string.
13. The arrangement of claim 12 , wherein the plurality of PV inputs is between 12 and 32 PV strings inclusive.
14. The arrangement of claim 13 , wherein each housing contains four DC/DC converters.
15. The arrangement of claim 11 , wherein the voltage at each two-pole input is 600 volts.
16. The arrangement of claim 11 , wherein the amperage at each two-pole input is 15 amperes.
17. The arrangement of claim 11 , wherein the voltage at the exterior two-pole output of each housing is 1,500 volts.
18. The arrangement of claim 11 , wherein the amperage at the exterior two-pole output of each housing is 30 amperes.
19. The arrangement of claim 11 , wherein the pair of connectors terminating each two-pole input comprises a pair of standard PV connectors.
20. The arrangement of claim 11 , wherein the pair of connectors terminating each two-pole output comprises a pair of standard PV connectors.