Eric Udren
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View article: Synchrophasor-Based Zonal Current Differential Protection for Secondary Low Voltage Networks
Synchrophasor-Based Zonal Current Differential Protection for Secondary Low Voltage Networks Open
This report describes an approach to utilizing phasor measurement unit (PMU) data from multiple Intelligent Electronics Devices (IEDs) in a low-voltage network to produce a differential scheme for protecting the medium-voltage feeder and l…
View article: Increasing DER Hosting Capacity in Meshed Low-Voltage Grids with Modified Network Protector Relay Settings
Increasing DER Hosting Capacity in Meshed Low-Voltage Grids with Modified Network Protector Relay Settings Open
Due to their increased levels of reliability, meshed low-voltage (LV) grid and spot networks are common topologies for supplying power to dense urban areas and critical customers. Protection schemes for LV networks often use highly sensiti…
View article: Protection and Control Challenges of Low-Voltage Networks with High Distributed Energy Resources Penetration - Part 1: Utility Workshop and Low-Voltage Network Modeling
Protection and Control Challenges of Low-Voltage Networks with High Distributed Energy Resources Penetration - Part 1: Utility Workshop and Low-Voltage Network Modeling Open
The growing distributed energy resources (DER) penetration in the low-voltage network (600V and below) challenges the existing protection philosophy and practice. To assess the impact of high DER penetration, the authors built a representa…
View article: Protection and Control Challenges of Low-Voltage Networks with High Distributed Energy Resources Penetration - Part 2: Impact Assessment and Mitigation Strategy
Protection and Control Challenges of Low-Voltage Networks with High Distributed Energy Resources Penetration - Part 2: Impact Assessment and Mitigation Strategy Open
This is the second part of a two-part paper series. In the Part 1 paper, the authors summarize the utility workshop outcomes and low-voltage network modeling approaches. In this Part 2 paper, we developed and validated an accurate network …
View article: Protection and Control Challenges of Low-Voltage Networks with High Distributed Energy Resources Penetration - Part 2: Impact Assessment and Mitigation Strategy
Protection and Control Challenges of Low-Voltage Networks with High Distributed Energy Resources Penetration - Part 2: Impact Assessment and Mitigation Strategy Open
This is the second part of a two-part paper series. In the Part 1 paper, the authors summarize the utility workshop outcomes and low-voltage network modeling approaches. In this Part 2 paper, we developed and validated an accurate network …
View article: Protection and Control Challenges of Low-Voltage Networks with High Distributed Energy Resources Penetration - Part 1: Utility Workshop and Low-Voltage Network Modeling
Protection and Control Challenges of Low-Voltage Networks with High Distributed Energy Resources Penetration - Part 1: Utility Workshop and Low-Voltage Network Modeling Open
The growing distributed energy resources (DER) penetration in the low-voltage network (600V and below) challenges the existing protection philosophy and practice. To assess the impact of high DER penetration, the authors built a representa…
View article: Hardware-in-the-loop Testing of Network Protectors for Low-Voltage Networks with Distributed Energy Resources
Hardware-in-the-loop Testing of Network Protectors for Low-Voltage Networks with Distributed Energy Resources Open
In this report, we developed and validated a network protector relay digital twin model and interfaced a commonly used network protector relay hardware with our real-time simulation system. Hardware-in-the-loop protection studies are perfo…
View article: Low Voltage Network Protection Utility Workshop (Summary and Next Steps)
Low Voltage Network Protection Utility Workshop (Summary and Next Steps) Open
Increased penetration of Distributed Energy Resources and microgrids have fundamentally changed the operation al characteristics of Low Voltage (LV) network systems. Current LV network protection philosophy and practice are due for a signi…
View article: Roadmap for Advancement of Low-Voltage Secondary Distribution Network Protection
Roadmap for Advancement of Low-Voltage Secondary Distribution Network Protection Open
Downtown low-voltage (LV) distribution networks are generally protected with network protectors that detect faults by restricting reverse power flow out of the network. This creates protection challenges for protecting the system as new sm…