Schematex
sld·IEEE 315 / utility interconnection practice·renewables, industrial·complexity 3/3·since v0.1.0

Commercial solar PV interconnection

Single-line diagram for a commercial PV array feeding a combiner, inverter, AC disconnect, production meter, and main switchboard.

For the solar designer

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Commercial PV Interconnection Single-line diagram with 11 nodes and 10 connections Commercial PV Interconnection 400 V 400 V PV1-F 2×70 mm² PV1-F 2×70 mm² PV1-F 2×35 mm² 2×240 mm² DC 4×240 mm² Cu PV Array A 100 kWdc PV Array B 100 kWdc PV Array C 50 kWdc Utility 400 V DC Combiner 600 Vdc DC Isolator 600 Vdc / 500 A Grid-tie Inverter 200 kWac AC Breaker 400 A curve: C icn: 25 kA Wh Production Meter 400 V · Main Switchboard Building Loads Facility
23 lines · 950 chars
✓ parsed·0.0 ms·0 B
100%

Scenario

Commercial PV one-lines have a recognizable chain: parallel DC arrays, combiner, isolator, inverter, AC protection, meter, and point of interconnection. The Utility feeder lands independently on the switchboard instead of masquerading as another step in the PV conversion chain.

Annotation key

Single-line syntax →