Oil Transformer Testing and Analysis
MVA is a full-service transformer diagnostic service with over 90 years of experience in transformer oil testing, analyzing test results, and servicing transformers.
Speak with an expert today to find out how to maximize the life of your transformer.
Transformer Oil Testing Laboratory Services
- Oil Quality Testing
- Karl Fischer Moisture Test
- Dissolved Gas Analysis (DGA Tests)
- Dielectric Breakdown Voltage Test (BDV Tests)
- Furan Testing
- PCB Transformer Oil Test (PCB Analysis)
- Inhibitor Content
- Particle Count
- Dissolved Metal Tests
- Liquid Power Factor Test
- Resistivity Testing
- Interfacial Tension Testing
- Acid Testing
Field Sampling and Maintenance Services
- Assembly and Vacuum Filling up to 765 kV
- Full-Service On-Site Field Sampling and Inspection
- On-Site Repairs or Replacements: Bushings, Radiators, Load Tap Changers
- Electrical Testing
- Re-Gasketing
- Hot Oil Reclamation
- De-Gasification of Oil
- Vacuum Dryout
- Load Tap Changer Services
- Retrofill with New Oil
ASTM Standards Covered
- ASTM D791: The Interfacial tension (IFT) test measures the presence of soluble contaminants and oxidation products.
- ASTM D3612: Dissolved Gas Analysis (DGA test) measures various gas ppm levels that are present.
- ASTM D1533: This test assesses the water content present in insulating fluid.
- ASTM D1816 & ASTM D877: These tests determine the voltage level at which the insulating fluid starts to conduct electricity.
- ASTM D974: This test evaluates the amount of acids produced in the insulating fluid due to the oxidation process.
- ASTM D1500: This test observes the fluid’s color change, indicating its deterioration.
- ASTM D971: The IFT test identifies impurities and the existence of polar contaminants in the transformer insulating fluid.
- ASTM D924: This test evaluates dielectric losses within an electrically insulating liquid.
- ASTM D2668: This test quantifies the remaining inhibitor content after oxidation has diminished its level. The presence of inhibitors enhances the fluid’s lifespan.
- EPA 8082: This test measures the PCB ppm level of oil.
- ASTM D5837: This standard test measures the furanic compounds in electrical insulating liquids by high-performance liquid chromatography (HPLC).
