상황
Design review for a 1 MW utility-scale solar PV plant requiring a three-phase step-up transformer and utility interconnection at 12.47 kV.
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01
Use transformer_dy for 480V to 12.47kV step-up with delta-wye isolation
02
Place revenue meter on MV side ahead of utility point of connection
03
Use switch_load for DC disconnect per NEC 690 isolation
04
Represent grid-tie inverter as generic load symbol pending dedicated static converter symbol
Reuse when drafting utility interconnection SLDs for behind-the-meter or export PV systems with transformer isolation and MV metering.