electrofelon
Senior Member
- Location
- Cherry Valley NY, Seattle, WA
I keep going through this with one of the utilities around here. Can someone explain this or did the wording of this get befuddled somewhere along the line? So standard frequncy range is typically 59.3-60.5 HZ. This is what pretty much all inverters default to and what is stated in the New York State Standardiazed interconnection agreement. The NYS SIR does also say however:
This utility is saying regarding the underfrequency setting "the maximum acceptable setting is 57Hz at .5 seconds." I think what they mean is "the maximum deviation from nominal is -3 HZ" or "the minimum underrequency setting is 57 HZ" or do you think that really want it to stay online until you get below 57 HZ?:?
....If deemed necessary due to abnormal system conditions the utility may request that the generator operate at frequency ranges below 59.3 Hz in coordination with the load shedding schemes of the utility system.
This utility is saying regarding the underfrequency setting "the maximum acceptable setting is 57Hz at .5 seconds." I think what they mean is "the maximum deviation from nominal is -3 HZ" or "the minimum underrequency setting is 57 HZ" or do you think that really want it to stay online until you get below 57 HZ?:?