Let’s say, for example, that there are six strings of 280-watt modules supplying a 24 kW inverter as proven in photographs 1 and 2. If every string has a most current of 12.1 amperes (9.71 A x 125%), then the mixed output of the six strings would be 72.6 amperes according to 690.8(A)(1). Assuming 75°C terminals are used within the tools, this requires a minimum of 4 AWG copper conductors. Utilizing the new permissive language in 690.8(A)(2), you would use 8 AWG copper conductors protected with 50-ampere fuses to provide the inverter enter present of 33 amperes x 125% (continuous obligation) or 41 amperes.

Consequently, traditional funding appraisal methodologies primarily based on deterministic Discounted Money Move (DCF) are insufficient to evaluate these dangers and uncertainties, as effectively because the investor’s flexibility to cope with them. In consequence, the literature suggests utilizing the true Option Analysis (ROA), which is a useful gizmo in uncertain conditions, to evaluate the value of risks and uncertainties.

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