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MREA Transformer School & Pre conference

November 3, 2026 1:00 PM - November 6, 2026 11:00 PM (CST)

Description

MREA TRANSFORMER SCHOOL 
November 3-6, 2026 (T-F)
MREA, 11640 73rd Ave. N., MN 55369
 
Tuesday Nov. 3
Pre-conference Workshop
12:00-1:00pm     Registration
1:00-4:00pm       Basic single-phase connections

Wednesday Nov. 4
Pre-conference Workshop
8:30am-12:00pm Basic single-phase connections
12:00-1:00pm      Lunch    

Transformer School
12:00-1:00pm      Registration
1:00-4:00pm        Three-phase transformer connections

Thursday Nov. 5
Transformer School
8:30am-12:00pm Three-phase transformer connections
12:00-1:00pm      Lunch
1:00-4:00pm        Three-phase transformer connections

Friday Nov. 6
Transformer School
8:30am-12:00pm  Three-phase transformer connections

Pre-conference Workshop: Basic single-phase transformer connections and theory
The pre-conference course is designed to provide an introductory or refresher overview of the fundamentals, covering topics such as safe work practices, transformer theory, basic calculations, connections, and sizing. Please note separate registration is required.

Transformer program: Three-phase transformer connections
The three-phase course will start with the basics of transformers, including turn rations, polarities, calculations, connections, and troubleshooting. Participants will learn about the basic three-phase systems and the relationship of the phasor to the transformer itself. In the hands-on portion of the course, participants will work with miniature transformers that are energized and will blow fuses, thereby experiencing what happens when something is wired incorrectly. The class will further develop the miniature transformer banks and focus on troubleshooting techniques. Additionally, motor rotation as it relates to three-phase systems will be discussed, along with methods to prevent voltage surges when switching a three-phase bank. After completing the three-phase transformer connections course, participants will have a broader understanding of the following transformer-related topics:

  • Basic three-phase connection
  • Delta connection
  • Wye connection
  • Open delta connection
  • Three-phase troubleshooting

WHAT TO BRING 

Fire resistant clothing
Safety glasses
Rubber gloves
Safety footware
volt/amp meter


WHO SHOULD ATTEND 

Apprentice Lineworker, Journey Lineworker, Crew Lead

COST
Basic Single-Phase Transformer (Pre-Conference): $200
Three-Phase Connections: $550

HOTEL 
Holiday Inn Arbor Lakes
11801 Fountains Way
Maple Grove, MN 55369

MREA EVENT CANCELLATION POLICY (Click on link)

2026 LATE REGISTRATION
All events in 2025 will be subject to a $50 late registration fee for anyone that registers less than 2 weeks prior to the published event dates.

Time

T 1:00-4:00
W 8:30 – 4:00
Th 8:30 – 4:00
F 8:00 – 2:00

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Contact Information

Minnesota Rural Electric Association | MREA
Name: Karen Miller
Email: karen@mrea.org
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