SOLUCIONES ELÉCTRICAS INDUSTRIALES

Ingeniería, fabricación y pruebas para proyectos de alta exigencia.

Nosotros

En TJLM desarrollamos y suministramos soluciones para distribución y potencia: transformadores, componentes críticos y servicios de soporte, con enfoque en seguridad, confiabilidad y cumplimiento normativo.

Misión

Entregar soluciones de transformación eléctrica y componentes de alta confiabilidad que protejan la continuidad operativa de nuestros clientes, cumpliendo estándares aplicables y tiempos de respuesta competitivos.

Visión

Ser un socio reconocido en México y Norteamérica por la calidad y el desempeño de nuestros productos y servicios, destacando por innovación, trazabilidad y excelencia operativa.

Valores

  • Seguridad primero: decisiones responsables para personas, instalaciones y ambiente.
  • Calidad y disciplina: procesos claros, verificación y mejora continua.
  • Orientación al cliente: soluciones prácticas, comunicación directa y cumplimiento.
  • Integridad: transparencia técnica y comercial en cada proyecto.
  • Trabajo en equipo: colaboración con clientes, proveedores y socios.

Política de Calidad

En TJLM nos comprometemos a suministrar productos y servicios que cumplan requisitos del cliente y normas aplicables, mediante control de procesos, inspección y pruebas, capacitación continua y acciones de mejora para asegurar desempeño, confiabilidad y entrega consistente.

LABORATORIO

Inspección y análisis por infrarrojos

La localización precisa de los problemas minimiza el tiempo necesario para la reparación.

Análisis del fluido aislante

El análisis del fluido aislante es una medida probada para la prevención de pérdidas.

Pruebas de relés

Medición y control de transformadores montados en plataforma.

Soluciones de cableado

Soluciones personalizadas de cables de alta tensión, conjuntos y arneses.

Análisis de la calidad de la energía

Identificar y solucionar los problemas de calidad de la energía de los transformadores montados en pedestales y postes.

TJLM Transformer Laboratory & Field Testing Services

Our laboratory and field teams perform a full suite of diagnostic, commissioning, and maintenance services for pad-mounted and pole-mounted transformers, ensuring safety, reliability, and compliance with industry standards.

Quality & Standards All testing is performed by NETA®-accredited technicians, following manufacturer tolerances and industry best practices—helping detect moisture ingress, insulation breakdown, and abnormal thermal conditions early.
Transformer Testing Capabilities
  • Visual & Mechanical Inspection
    Physical damage, cleanliness, installation, and secure anchoring.
  • Insulation Resistance Testing (Megger)
    Winding-to-winding and winding-to-ground insulation health.
  • Transformer Turns Ratio (TTR) Testing
    Verification vs design specs (typically within ±0.5% tolerance).
  • Winding Resistance Testing
    Loose connections, poor joints, damaged conductors (overheating risk).
  • Dielectric Withstand Testing
    Insulation integrity under applied high voltage.
Commissioning, Maintenance & Engineering Support
  • Commissioning, Acceptance Testing & Startup
    (NETA® Standards)
  • Project Planning Support
    Commissioning & preventive maintenance.
  • Construction Management & Third-Party Supervision
  • Power System Troubleshooting
    & root cause analysis.

Electrical Systems & Equipment Services

  • Power Cable Termination & Splicing
  • Custom High-Voltage Cable Solutions
    Assemblies and harnesses.
  • Relay, Metering & Motor Control Testing
  • Pad-Mounted Transformer Relay, Metering & Control Testing
  • Switchgear Modernization
    Retrofit, retrofill, or refurbishment.
  • Maintenance Manual Development
Specialized Testing & Analysis Services
  • Soil Resistivity Testing
    Supports grounding system design and performance.
  • Insulating Fluid Analysis
    Dielectric strength, moisture content, and overall fluid condition.
  • Infrared Inspection & Analysis
    Thermal imaging to locate hot spots and emerging failures.
  • Power Quality Analysis
    Issues affecting pad-mounted and pole-mounted transformer performance.

Reliable Testing. Actionable Results.

Our integrated laboratory and field services help extend equipment life, reduce downtime, and ensure your electrical infrastructure operates safely and efficiently.

TJLM Transformer Products & Capabilities

Engineering-grade transformer solutions designed for utility, industrial, and commercial power distribution systems.

Power Ratings

Up to 5,000 kVA

Voltage Classes

High Voltage up to 34.5 kV (200 kV BIL)
Low Voltage up to 15 kV (95 kV BIL)

Insulating Fluids

Mineral oil or biodegradable natural ester fluid

Standards Compliance

IEEE · ANSI · NEMA (C57.12.00, C57.12.34, C57.12.28, C57.12.29)

Construction

Mild steel or stainless-steel tanks and cabinets

Factory Testing & Quality Assurance

All transformers are tested per ANSI, IEEE, and NEMA standards.

Leak testing
Polarity and phase relationship
Winding resistance
No-load losses and excitation current
Load losses and impedance
Applied voltage
Induced voltage
Full-wave impulse
Turns ratio (TTR)

Manufacturing is performed in TJLM facilities and partner factories in the outskirts of Guadalajara, Mexico.

Product Portfolio

Pole-Mounted Single-Phase Transformers

Designed for residential and rural overhead distribution systems.

Ground-Mounted Dry-Type Transformers

Vacuum-cast epoxy resin coils with glass fiber reinforcement, flame-retardant and moisture-resistant.

Substation Transformers

Standard and optional configurations including tap changers, cooling systems, monitoring devices, and custom finishes.

Pad-Mounted Transformers

Hermetically sealed, compact, maintenance-free designs with advanced protection options.

Power Transformers

Low loss, low noise, high short-circuit withstand capability.

Distribution Transformers

High reliability, long service life, oxygen-free copper windings.

TJLM Transformer Parts & Components

High-performance electrical components and insulation solutions designed for reliability, safety, and long service life in demanding power systems.

Bushings

Transformer bushings provide electrical insulation and mechanical support, ensuring safe conductor separation while withstanding thermal, mechanical, and environmental stresses.

Voltage Class: Up to 34.5 kV
Impulse Withstand: >250 kV BIL

Low-Voltage Bushings

  • Porcelain — 1 kV, up to 4,500 A
  • Polymeric — 1 kV, up to 1,250 A
  • Triclamp (Secondary Stud) — 1.2 kV, 830 / 1,500 / 2,200 A
  • Epoxy — Up to 4,515 A

High-Voltage Bushings

  • Porcelain — Up to 34.5 kV
  • Porcelain Insulators — Up to 69 kV
  • Pedestal (Well-Type) — 34.5 kV
  • Loadbreak Inserts — 15–25 kV, 200 A
  • Deadbreak Integrals — 25–35 kV, 600 A

Oil Circuit Breaker Components & Kits

TJLM supplies aftermarket components and maintenance kits designed to replace wear parts affected by electrical arcing and mechanical stress.

Advanced arc chute and interrupter materials provide superior arc resistance, low water absorption, and improved dimensional stability.

Insulation – Natural Ester Dielectric Fluid

Turnkey natural ester dielectric fluid retrofill services for substation transformers.

  • Extended insulation life
  • Reduced fire risk
  • Delayed asset replacement
  • Lower environmental impact
  • Improved overload performance

Additional services include transformer dry-outs, regasketing, bushing replacement, and system upgrades.

CONTACTO / COTIZACIÓN

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