Power & Distribution Transformer Maintenance
ArmCoil’s Field Services department is dedicated to delivering, installing, commissioning, and testing our products to the highest standards. We take pride in our ISO 9001:2015, ISO45001:2018 & ISO 14001:2004 accreditations, showcasing our commitment to quality, safety and environmental management.
Our comprehensive range of field services extends to clients in Southern Africa and beyond, covering a diverse spectrum of medium voltage applications and installations, including:
• Power Transformer Maintenance, Upgrades, and Repairs.
• Distribution Transformer Maintenance, Upgrades, and Repairs.
• MV Miniature Substation Maintenance, Upgrades, and Repairs.
• Substation and Mobile Substation Maintenance, Upgrades, and Repairs.
• Medium Voltage Electric Motor Maintenance, Upgrades, and Repairs.
• Switchgear Maintenance, Upgrade, or Repairs of Gas, Vacuum, and Oil Types.
Our meticulous approach and attention to detail extend to Miniature Substations, ensuring the reliable operation and longevity of your equipment. Trust ArmCoil Field Services for all your maintenance, upgrade, and repair needs, up to 3150kVA @ 11kV.
ArmCoil Field Services Offers Detailed Services Including:
On All Types of Power, Distribution Transformers Up To 100MVA @ 132kV
• On-site fault finding.
• On-Site Condition Analysis on all types of transformers, including oil sampling.
• Removal and rigging of transformers.
• Installation and commissioning of transformers.
• Standard and abnormal transport services.
• Transformer oil replacement and safe disposal of old oil services.
• Transformer oil purification services.
• Total transformer regasketing.
• On-site cleaning and spray-painting of transformers, including paint thickness testing.
• Transformer oil leak identification and repairs (Radiators, tank, and conservator).
• On-site radiator flushing and refurbishment to remove blockages.
• Transformer thermography auditing for heat signature identification.
• Transformer auxiliary protection upgrades and modifications.
• Transformer online gas monitoring upgrades and modifications.
• Transformer LV and HV Bushing repairs and replacement (stock available).
• OLTC maintenance and repairs, including parts replacement.
• On-Site transformer routine testing, SFRA also available.
• Accredited oil laboratory utilized for all sampling results.
• Wide variety of spares in stock.
On All Types of MV Electrical Motors Up To 11kV
• On-site fault finding while in situ.
• On-Site Condition Analysis on all types of DC, MV, and HV Electric Motors.
• Repairs and replacement on all types of bearings and bearing applications.
• Stator and rotor Patching or localized Rewinding repairs.
• Stator and Rotor On-site rewinding.
• Stator and rotor supply lead repairs or replacement.
• Installation and Alignment assistance.
• On-site trim balancing services.
• Servicing and replacement of carbon brushes, brush gear, and associated parts.
• Servicing and repairs to slip rings, commutators (skimming, undercutting, and beveling).
• Thermography scanning for “hot spot” or heat signature identification.
• Vibration analysis.
• Temperature analysis.
• Electrical testing: megger, interturn, PI, winding resistance.
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