T&D World Magazine

Distribution Automation System Pinpoint Faults, Optimizes Volt/VAR Control

Schweitzer Engineering Laboratories, Inc. has released a complete distribution automation solution: DNA (Distribution Network Automation). The DNA system is designed to pinpoint faults, optimize volt/VAR control, detect downed conductors, and automatically sectionalize and reconfigure distribution circuits to restore service as quickly as possible after a fault.

The DNA system is a scalable, flexible solution applied with either centralized or distributed control. It implements fault location, isolation, and service restoration (FLISR) to reduce the number of customers impacted by a fault. DNA also improves voltage management and power factor by controlling various line devices.

“Individual devices, such as recloser, voltage regulator, and capacitor controls as well as faulted circuit indicators, have been used for years in point applications,” said Bob Morris, SEL R&D director of power systems. “But today DNA integrates these devices into a complete system for faster service restoration and improved grid efficiency.”


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