Arizona Administrative Code
Title 14 - PUBLIC SERVICE CORPORATIONS; CORPORATIONS AND ASSOCIATIONS; SECURITIES REGULATION
Chapter 2 - CORPORATION COMMISSION - FIXED UTILITIES
Article 26 - INTERCONNECTION OF DISTRIBUTED GENERATION FACILITIES
Section R14-2-2625 - Advanced Inverter Requirements

Universal Citation: AZ Admin Code R 14-2-2625

Current through Register Vol. 30, No. 38, September 20, 2024

A. If interconnected after the effective date of this Article, a Generating Facility utilizing inverter-based technology shall be interconnected via advanced inverter(s) that are capable of, at minimum, the advanced grid support features specified in subsection (B).

B. At a minimum, an advanced inverter shall be capable of the following grid support features:

1. Volt/VAR Mode - Provide voltage/VAR control through dynamic reactive power injection through autonomous responses to local voltage measurement;

2. Volt/Watt Mode - Provide voltage/watt control though dynamic active power injection through autonomous responses to local voltage measurement;

3. Fixed Power Factor - Provide reactive power by a fixed power factor;

4. Anti-Islanding - Support anti-Islanding to trip off under extended anomalous conditions;

5. Low/High Voltage Ride-through (L/HVRT) - Provide ride-through of low/high voltage excursions beyond normal limits;

6. Low/High Frequency ride-through (L/HFRT) - Provide ride-through of low/high frequency excursions beyond normal limits;

7. Soft-Start Reconnection - Reconnect after grid power is restored; and

8. Frequency/Watt Mode - Provide Frequency/Watt control to counteract frequency excursions beyond normal limits by decreasing or increasing real power.

C. The grid support features listed in subsections (B)(1), (2), (3), (7), and (8) shall only be activated upon mutual consent between the Customer and the Utility.

D. The grid support features listed in subsections (B)(4), (5), and (6) shall always be operational.

E. Advanced inverters shall meet the shutdown protective functions (under/over voltage, under/over frequency, and anti-Islanding) specified in IEEE 1547-2018, which is incorporated by reference in R14-2-2614(E)(1).

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