UTC Webinar Replay: Don’t Get Caught Unprotected - Is Your Distribution System Ready for Solar?
April 13, 2021
Fee(s):This event has a fee
Description:Due to the expansive growth of solar distributed generation, engineers must take proactive steps to adapt their legacy systems. The non-inductive load characteristic of solar inverters creates a new challenge which must translate into more robust system protection schemes. This paper will give real examples of distribution interconnected systems with lessons learned on best practices for protection system modeling and technological
Question: With the volume of distributed generation projects (specifically solar) coming online, have distribution utility engineers investigated the impact that these non-linear inverter sources will have on their existing system protection scheme? The basis and understanding, at a high level, of what engineers need to be mindful of, comes from the study which determines how they should be modeling these loads, and how they should be planning for upgrades to proactively prepare.
TakewaysAttendees will learn that inductive loads contribute to fault current differently than smart inverters. Inverters will feed into a fault faster than convention loads but may not create the magnitude associated with inductive loads. Due to the speed on fault current contribution, system protection devices may not be fast enough to “catch” faults on their initial timing curves. Design parameters must be adhered to for proactive study of critical segments of the distribution system where solar is anticipated to grow.
This is a replay of a previously broadcast webinar. If the speaker is not available for questions afterwards, we will forward them and get responses.
UTC Member Rate: $145 per person
Non-Member Rate: $245
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