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A grid-tied PV system uses a transformerless inverter with a maximum DC input of 1000V.

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A grid-tied PV system uses a transformerless inverter with a maximum DC input of 1000V. The array consists of 20 modules, each with a Voc of 45V. What is the NEC 690.7 correction factor for a low temperature of -15°C if the temperature coefficient is -0.30%/°C?

A.

1.12

B.

1.15

C.

1.18

D.

1.21

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  • Product: PVIP
  • Update on: Oct 16, 2025
  • Questions: 160
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TESTED 16 Oct 2025