html{display:none} APP 101: Hands-On Introduction to SEL Relays | Schweitzer Engineering Laboratories

APP 101: Hands-On Introduction to SEL Relays


This course is designed for utility or plant engineers, technicians, operators, power system designers, government entity personnel, and consultants who are new to digital relaying or SEL relays.

APP 101 provides hands-on, introductory-level training for new SEL relay users transitioning from electromechanical devices to digital relay application. Students will learn the basic concepts necessary to successfully apply, communicate, and gather data from an SEL-351S Protection System, with special emphasis on how to set up and navigate SEL settings software.


Day 1
  • Digital Relay Basics
  • Front-Panel Interface
  • Overview of acSELerator QuickSet SEL-5030 Software
Day 2
  • SEL-351S Protection System Overview
  • Application Example: Apply the SEL-351S to a Distribution Feeder
  • Testing Procedures for a Distribution Relay
  • Protection Basics (optional)

Course Objectives

At the conclusion of this course, students can:

  • Describe digital relay protection and operating methods
  • Communicate with the SEL-351S Relay via the front-panel HMI and pushbuttons
  • Send and receive relay settings using acSELerator QuickSet SEL-5030 Software
  • Identify SEL-351S Relay product features
  • Apply effective protection and coordination settings for an example distribution system
  • Perform tests to verify relay protection element operation
Course Information
Course Base Fees: $USD1,000*

CEUs: 1.4
Available Courses
Lakewood, Colorado, USA
February 19–20, 2020

Schweitzer Engineering Laboratories
1626 Cole Blvd, Bldg 7, 4th Fl
Lakewood, Colorado 80401

Additional Information:


Recommended Hotel Information:

Holiday Inn Express & Suites
17140 W Colfax Ave
Golden, CO 80401

Hampton Inn Denver-West/Golden
17150 W Colfax Ave
Golden, CO 80401

*Please note that these are only recommendations. 




Vacaville, California, USA
July 8–9, 2020

Schweitzer Engineering Laboratories
810 Vaca Valley Pkwy, Ste 110
Vacaville, California 95688

Additional Information:

8:00 a.m. - 5:00 p.m.

Recommended Accommodations:

Hampton Inn & Suites Vacaville-Napa Valley
800 Mason St
Vacaville, CA 95688 

Residence Inn by Marriott Vacaville
360 Orange Dr
Vacaville, CA 95687 

Tupelo, Mississippi, USA
November 4–5, 2020

Schweitzer Engineering Laboratories
Spanish Village I 144 S Thomas St Ste, 211
Tupelo, Mississippi 38801

Additional Information:

8:00 a.m. - 5:00 p.m. each day

Recommended Accommodations Coming Soon!

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Course Requirements


Before you attend this class, you must meet the following requirements:

  • Have a working knowledge of ac three-phase power systems
  • Have basic calculus knowledge

Course Preparation

Please check the General Course Information page for what you should bring to class. In addition, please make sure that the laptop you bring to class has the following software/features: