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AN4217 Datasheet(PDF) 7 Page - STMicroelectronics |
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AN4217 Datasheet(HTML) 7 Page - STMicroelectronics |
7 / 22 page AN4217 STEVAL-ISV0x8V1 parallel and series connection Doc ID 024010 Rev 1 7/22 3.0.2 STEVAL-ISV018V1 series connection This topology provides an output voltage that is the sum of the output voltages of each SPV1020 connected in series. The following information shows how the output power is determined by the output series connection. Figure 10 shows a detail of the series connection topology: In this case, the topology constraint implies: Equation 7 In the case where the irradiation is the same for each panel: Equation 8 So Equation 9 For example, assuming, POUT = 90 W and, if desired VOUT = 90 V then VOUTX = 30 V Lower irradiation for one panel, for example on panel 2, causes lower output power, so lower VOUT2 due to the IOUT constraint: Figure 10. STEVAL-ISV018V1, panel connections for output series connection Figure 11. STEVAL-ISV018V1, components configuration for output series connection 3 2 1 Iout Iout Iout Iout = = = 3 2 1 Vout Vout Vout Vout + + = 3 2 1 Pin Pin Pin = = Poutx Pout * 3 = ] 3 .. 1 [ = x Pout Poutx 3 1 = Iout Vout Ioutx Vout x Pout x * 1 * = = Vout Voutx 3 1 = |
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