SEL-T400L Time-Domain Line Protection


Engineers Cory Kadlacek, P.E. and Carlos Fernandez at M&S Engineering have applied the SEL-T400L Time-Domain Line Protection to a project for Lone Star Transmission, marking the first time the ultra-high-speed protection of transmission lines technology has been used in Texas. With breakthrough time-domain technologies, the SEL-T400L trips securely in as fast as 1 ms, records events with a 1 MHz sampling rate, and locates faults to the nearest tower. Using theĀ  SEL-T400L line protection system is projected to dramatically reduce fault-clearing time.

You can read more about the SEL-T400L at the link below.


Cory Kadlacek, P.E.
M&S Engineering
6477 FM 311 Spring Branch, TX 78070
Office: (830) 228-5446

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