MES transformer service team has many years of experience in handling all types of transformer servicing jobs. Our service engineers and technicians provide maintenance services to distribution and power transformers up to 300MVA, 500kV, oil-cooled with on-load tap changer. We also carry out installation, inspection, testing and commissioning services on new transformers.
Our Transformer Services include:
- Maintenance of cast-resin and dry-type transformers
- Servicing of distribution and power transformers up to 300MVA, 230kV
- Servicing of shunt reactor up to 100MVar, 230kV
- Renewal of gaskets for main tank, link box, HV and LV bushings, radiator fins and tap-changer
compartment
- High vacuum purification and filtration of transformer oil
- Complete replacement of transformer mineral oil or silicon oil
- Dissolved gas-in-oil analysis (DGA) by gas chromatography
- Oil tests for acidity, water content, colour, dielectric-strength and power factor (tangent-delta)
- Winding resistance, insulation resistance and turn-ratio tests
- Secondary current injection tests on relays
- Functional checks on Buchholz relay, temperature & pressure alarm and tripping devices
- Redesign, convert and upgrade of transformers
- Frequency Response Analysis
- Partial Discharge Analysis
Transformer Field Service Facilities
- 6000
litres per hour High Vacuum Oil Filter Machine
- Oil Transfer Pump and Vacuum Pump
- Winding Resistance Test Set
- Winding Turn-Ratio Test Set
- Insulation Resistance Test Set 500V to 10000V
- A.C. High-Potential Test Set
- D.C. High-Potential Test Set
- Automatic Oil Dielectric-Strength Tester
- Moisture Content Analyser
- Oil Acidity Tester
- Dissolved gas-in-oil chromatography
- Primary and Secondary Current Injection Test Sets
- Tangent-Delta Test Set
- Frequency Response Analyser
- Partial Discharge Analyser
Maintech Engineering & Supplies is the Authorized Service Agent for the following manufacturer of transformer:
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