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MREA/MMUA Transformer School & Pre conference

December 15, 2025 1:00 PM - December 18, 2025 2:00 PM (CST)

Description

MREA/MMUA TRANSFORMER SCHOOL
December 15-18 (T-F)
MMUA Training Center, 1004 Michigan Road in Marshall, MN 56258

Please Note: Registration for this class will close at the end of the business day on December 1st, No further registrations can be accepted after this date.

Monday Dec. 15
Pre-conference Workshop
12:00-1:00pm Registration
1:00-4:00pm Basic single-phase connections

Tuesday Dec. 16
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

Wednesday Dec. 17
Transformer School
8:30am-12:00pm Three-phase transformer connections
12:00-1:00pm Lunch
1:00-4:00pm Three-phase transformer connections

Thursday Dec. 18
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): $275
Three-Phase Connections: $1004

Note: Registration fee increases $50 on November 22nd.

HOTEL
AmericInn Motel & Suites 507-537-9424
1406 E. Lyon St.
Marshall

MREA EVENT CANCELLATION POLICY (Click on link)

2025 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

M 1:00-4:00
T 8:30 – 4:00
W 8:30 – 4:00
Th 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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MREA/MMUA Transformer School & Pre conference

December 15, 2025 1:00 PM - December 18, 2025 2:00 PM (CST)

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MREA/MMUA Transformer School & Pre conference

December 15, 2025 1:00 PM - December 18, 2025 2:00 PM (CST)

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