Engineering Services
MARC offers Transformer Testing Services for a wide range of transformers such as power, distribution transformers, potential transformers, current transformers. Being experienced in the field we do understand the need of convenience to our customers. Our on-site services allow you to enjoy a complete range of service at your door step
Specialized Service
Trailer mounted, self contained, 6,000 liters per hour vacuum oil purifier unit for:
- Vacuum Oil Filling of EHV Transformer
- Transformer Insulation System Dehydration
- Oil Dehydration, Degasification & Reclamation
The following nine key gases are analyzed to detect sign of corona discharge, overheating, insulation failure and arching.
- Hydrogen
- Oxygen
- Nitrogen
- Carbon Monoxide
- Methane
- Ethylene
- Ethane
- Acetylene
- Carbon Dioxide
Improving plant availability & reliability
Improving plant life and plant operating flexibility
Improved health and safety parameters
Our comprehensive overhaul and rewind work scope include:
- Un-Tanking
- Oil Filtering
- Tank Cleaning
- Accessory Cleaning
- Tank & Accessory Inspection
- Coil Removal
- Coil Replacement (Rewinding only)
- Coil and Core Cleaning & Inspection
- Re-Assembly
- Pre-Testing
- Re-Painting
- Oil Filling
- Final Inspection & Test
Repair and Testing Services:
- Oil sampling, Analysis and Result Interpretation
- On-site Replacement of Gasket, Bushing and Other Repair
- On-site Radiator Repair and Replacement
- On-load Tap Changer Overhaul and Service
- Winding and Insulation Testing
- Commissioning and Acceptance Testing of New Transformer
- Bushing Repair, Overhaul and Testing
- Factory and Field Inspection
Testing Services include but not limited to:
- Insulation Resistance
- Dissipation Factor Test
- Tan Delta and Capacitance Measurement
- AC/ DC High Potential Test
- DC Winding Resistance
- Turns Ratio
- HV Excitation Current
- LV Excitation Current
- Short Circuit Impedance
- Bushing Test
- Moisture Analyzer
- Oil Test
- OLTC Overhaul
- Calibrate oil and winding temperature measuring device
- Rewind and Overhaul
- Oil Purification and Renew
- Oil leakage Repair