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Extra info for A Guide to Photovoltaic (PV) System Design and Installation

Sample text

PV Array Circuit Combiner contains 15-Amp fuses rated at 125Vdc. 3. Ground-Fault Protection required only on roof-mounted PV arrays. 4. DC Fused Switch rated at 60-amps, 125-Vdc (may be circuit breaker) 5. DC/AC Inverter rated at 2 kW AC output at 240-Volts and is Listed to UL-1741 “Utility-Interactive” 6. AC Fused Switch rated at 30-amps, 240Vac (may be circuit breaker) 7. Utility Switch is visible open, lockable in open position, 240-Vac, 60-amp switch. 8. 5 kW, 240-Volt inverter) 9. Equipment ground equivalent to PV array conductor size on DC-side of system.

PV Array Circuit Combiner contains 15-Amp fuses rated at 125Vdc. 3. Ground-Fault Protection required only on roof-mounted PV arrays. 4. DC Fused Switch rated at 60-amps, 125-Vdc (may be circuit breaker) 5. DC/AC Inverter rated at 2 kW AC output at 240-Volts and is Listed to UL-1741 “Utility-Interactive” 6. AC Fused Switch rated at 30-amps, 240Vac (may be circuit breaker) 7. Utility Switch is visible open, lockable in open position, 240-Vac, 60-amp switch. 8. 5 kW, 240-Volt inverter) 9. Equipment ground equivalent to PV array conductor size on DC-side of system.

5 kW, 240-Volt inverter) 9. Equipment ground equivalent to PV array conductor size on DC-side of system. 10. Equipment ground according to NEC Table 250-122 on AC-side. 11. Negative pole of PV array referenced to ground at the Inverter. June 2001 COMPANY NAME Title: Example Grid-Tied PV System Drawn By: Date: Checked By: Scale: N/A Related Dwgs: DWG NO. Material: Page 29 EX-4 PV Installation Guide PV System Power Conditioning Unit + + + + + - - - - + + + + + - - - - + + + + + - - - - + + + + + - - - - - PV Circuit Combiner #10-2 conductor TC with THWN-2 conductors for all PV array wiring Photovoltaic Modules Continuous Equipment Ground Disconnect and GroundFault Protection 60 A DC+ POS DC/AC Inverter 1A 15 A, 5 plcs.

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A Guide to Photovoltaic (PV) System Design and Installation


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