210 13th Street Bldg. 26 Malta, OH 43758

PO Box 158 Dunn NC, 28335

Transformer Field Service

Zemar Transformer Company’s Field Services Division is dedicated to providing the technical and equipment knowledge and experience required to keep your company’s electrical system performing to customer’s expectations and requirements. Field Services Division has 150 years of experience specifying, analyzing, troubleshooting, testing, and repairing transformers, regulators, reclosers, and controls for regulators and reclosers. Working with consulting engineers and insurance companies, we provide expertise investigating incidents and failures of electric equipment involved in fires, explosions, and accidents.

Our Scope of Services includes:

Substation Equipment Testing, Maintenance & Repair

Power Transformers:

  • LTC tap changers
  • DGA Sampling and Interpretation
  • Bushing Replacement
  • Re-gasket
  • Operation and testing of on-board controls
  • Oil & Vacuum Circuit Reclosers & Controls

Oil-filled Step-Voltage Regulators & Controls

Substation Battery and Charger

Substation Condition / Reliability Analyses

Equipment Failure Analysis

On site Repair and Testing of Padmount Transformers

Oil Sampling, Testing, & Analysis services

Experience with new and old equipment manufacturers:

  • Power Circuit Breakers
  • Voltage Regulators
  • Power Transformers
  • Field Service Test Equipment:

Recloser MET Test sets

Hipotronics High Voltage Test Set

Tektronix Oscilloscope

Tektronix Current Probe Amp

Multi-Amp Timer

Multi-Amp Current Source

Gasket Cutting Board and Cutter

Micrometer Set

SF6 Leak Seeker

AVO Megger


Air Compressor & Paint Pot

High Voltage Oil Test Set

Oil Filter Press

Fluke Multimeters