Which inverter settings should be approved by the company?
settings shall be approved by the Company. IEEE compliant and UL- certified18 inverters shall be equipped with an internal active anti-islanding scheme, under voltage (27), over voltage (59), under frequency (81U) and over frequency (81O) relays.
Which inverter types will be reviewed under section 76.12.5 requirements?
Any inverter type generation established as frequency and/or voltage regulating or Var supportive will be reviewed under Section 7.6.12.5 requirements. DER threshold values shall be analyzed in aggregate where multiple DER projects are supplied from a single point of connection to the EPS.
Which inverter settings should be submitted with the WTP?
Inverter settings, as presented by EPRI’s Common File Format for DER Settings Exchange and Storage, shall be submitted with the WTP. EPRI's Guidance Document can be found here27 , and is publicly available. All required equipment test reports shall be submitted per ESB 751 prior to final WTP acceptance.
What is an inverter based resource (IBR)?
, a conventional (or legacy) GFL inverter’s control1The term “IBR” is defined in IEEE Std - as an inverter-based resource c nnected to a transmission or sub-transmission system. For purposes of this document, an IBR is taken to mean an inverter-based resource con ected anywhere in the system, including dist
What is National Grid ESB?
A distribution or sub-transmission line owned by National Grid (which is presently interconnected to a third-party energy supplier or generating facility selling power into the wholesale market) for the purpose of selling power into the wholesale market. This ESB also addresses state-specific requirements pertaining to parallel generators.
What is a microgrid interconnection device?
Microgrid Interconnection Device (MID): A device capable of allowing a DER to separate from the Area EPS source and transition to standalone mode. NRTL: Nationally Recognized Testing Laboratory, as defined by OSHA. Non-certified DER: Any induction or synchronous DER, or a non-UL inverter.
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