POWERING RELIABILITY IN THE FIELD

Transformer expertise. Built around uptime.

Electrical testing, diagnostics, maintenance and field repair support for power transformers and current transformers—planned around your equipment, project scope and safety requirements.

DISCUSS A PROJECT

TEST

Electrical evaluation

DIAGNOSE

Condition insights

SUPPORT

Field execution

ABOUT THE SERVICE

Technical support that meets the work.

AMTO, based in El Paso, Texas, offers specialized transformer field service support focused on equipment condition, troubleshooting, preventive maintenance and assistance during installation and commissioning.

Services are coordinated according to the transformer type, project scope, customer procedures and applicable technical and safety requirements.

El Paso, Texas · A project-focused partner for transformer testing and field support.

CAPABILITIES

Transformer care, from test to field.

Scope can be tailored to project needs and the applicable procedures, standards, equipment requirements and authorized work plan.

01 / TESTING

Electrical Testing & Diagnostics

Transformer turns ratio (TTR)
Winding resistance (DCR)
Excitation current
Insulation resistance (Megger)
Power factor: windings & bushings
Sweep frequency response analysis (SFRA)

02 / OIL SERVICES

Oil Sampling & Processing

Oil sampling for DGA and applicable analysis
Oil recirculation and filtration
Vacuum processing
Dew point testing, as required

03 / REPAIR

Leak Detection & Repair

Leak inspection and identification
Pressure or tightness testing before oil filling
Oil leak repair
Welding when appropriate and authorized

04 / CT SERVICES

Current Transformer Testing

Low-voltage electrical testing
CT diagnostics and evaluation
Project-specific testing scope

05 / FIELD WORK

Maintenance & Commissioning

Transformer inspection
Troubleshooting and diagnostics
Preventive and corrective maintenance
Installation and commissioning support

06 / DELIVERY

Standards & Safety Coordination

Applicable IEEE standards considered
Manufacturer recommendations
Customer quality procedures
Job safety and work-scope alignment

Need field support for an upcoming transformer project?

START A CONVERSATION

HOW WE WORK

Clear scope. Coordinated execution.

We align with your team before mobilization to understand the equipment, requirements and site conditions.

01. Scope review

Confirm equipment, requested tests, site location and work schedule.

02. Project requirements

Review procedures, applicable standards, documentation and site safety expectations.

03. Field coordination

Plan agreed activities and provide deliverables consistent with the authorized scope.

BUSINESS INQUIRIES

Let’s talk about your equipment.

Interested in vendor onboarding or discussing an upcoming transformer testing, maintenance or field repair need? Send a project inquiry.

AMTO
Transformer Testing, Diagnostics & Field Services

Based in: El Paso, Texas, USA
Service area: El Paso and surrounding regions; additional U.S. and Mexico projects by scope and applicable requirements.