MGG TRANSFORMER SERVICES LLC

MGG Transformer Services LLC dedicated to providing high-quality field services for power transformer systems across utility, industrial, and energy sectors.

Our company specializes in providing comprehensive services for power transformers, with a team of highly skilled transformer technicians and engineers. With over 17 years of experience in the power transformer industry.

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Core Services

We provide various kind of
service for you

Supervision for Erection & Installation

Supervise full assembly of power transformers at site.
On-site lifting, vacuum, oil filling & handling procedures.

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Transformer Electrical Testing

Core/Clamps Insulation Resistance.
Winding Insulation Resistance.
Bushings/Windings Power Factor & Capacitance.
Single Phase Excitation Current.
Turns Ratio (TTR).
CT testing.
Bushings C1, C2.
Dewpoint measurement.
Sweep Frequency Response Analysis (SFRA).
DGA sampling.

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Leaks Repair and Oil Top Up

Gasket replacing and sealing.
Welding repair.
Pressure testing verification.

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On-site replacement transformer components

Bushings, Current Transformers, Radiators.
Fans, Valves, Gaskets.

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Internal inspections/Troubleshooting

Internal inspections.
Fault troubleshooting.
Core grounding repair.
DGA interpretation of gases generated.

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Safety Compliance & LOTO Execution

Lockout/Tagout (LOTO) implementation.
Confined space entry support (where required).

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book
an appointment

Agenda una visita técnica para diagnóstico, mantenimiento programado o intervención correctiva en tus equipos transformadores.

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Appointment 1 Appointment 2

PRIOR PROJECTS


Internal inspection and CT replacement and testing (Colorado)


Full assembly, vacuum, oil filling and electrical testing (Texas)


Leak repair on OLTC (Nebraska)


Leaks repair and gaskets replacements (North Carolina)


Weld leak repair and touch up paint (Oklahoma)


Internal inspection, troubleshooting and leads replacement and crimping (Nebraska)

MISSION

Mission

To deliver safe, reliable, and cost-effective transformer service solutions that reduce operation costs, downtime and extend equipment life.

CERTIFICATIONS & COMPLIANCE
- Confined Space & LOTO Certified Technicians.
- IEEE Testing Standards.

COVERAGE AREA
Serving clients across USA.