Section PSC 119.10 - One-line schematic diagram(1) The applicant shall include a one-line schematic diagram with the completed standard application form. ANSI symbols shall be used in the one-line schematic diagram to show the following:(a) Generator or inverter.(b) Point where the DG facility is electrically connected to the customer's electrical system.(c) Point of common coupling.(d) Lockable interconnection disconnect switch.(e) Method of grounding, including generator and transformer ground connections.(f) Protection functions and systems.(2) The applicant shall include with the schematic diagram technical specifications of the point where the DG facility is electrically connected to the customer's electrical system, including all unintentional islanding and power quality protective systems. The specifications regarding the unintentional islanding protective systems shall describe all automatic features provided to disconnect the DG facility from the distribution system in case of loss of grid power, including the functions for over/under voltage, over/under frequency, overcurrent, and loss of synchronism. The applicant shall also provide technical specifications for the generator, lockable interconnection disconnect switch, and grounding and shall attach the technical specification sheets for any certified equipment. The applicant shall include with the schematic diagram a statement by the manufacturer that its equipment meets or exceeds the type tested requirements for certification.Wis. Admin. Code Public Service Commission PSC 119.10
CR 03-003: CR Register January 2004 No. 577, eff. 2-1-04.Amended by, CR 22-077: am. (2) Register April 29 No. 820, eff. 5/1/2024