Transformer Oil Testing Service (NABL)
Transformer Oil Testing Service
Excellent Diagnostic and Research Agency is NABL (National Accreditation Board for Testing & Calibration Laboratories) Accredited Insulating Oil Testing Laboratory offering optimum Transformer Oil Test Services in Vadodara (Gujarat, India).
Meanwhile, the transformer is running, the transformer oils inside suffer from mechanical and electrical stresses that need a great amount of attention. Likewise, impurities are caused due to high operating temperatures. Consequently, the original properties of oils change over time, making them futile for their designed purpose. Therefore, this oil has to be tested at regular intervals to ensure its primary properties are sustained. It is advisable to test the oils to find out whether it is convenient for future purposes or needs necessary actions like filtration/regeneration. Transformer oil is not only prone to deterioration, but it is also a carrier of gases emitted during arcing or flashovers between paper and winding insulations. Thus, transformer oil testing services states the necessary details of any inceptive faults, without bringing down the machine from its operating condition.
What is Transformer Oil?
Before kickstarting testing services for your equipment, let’s first understand what is transformer oil, which factors are checked, and how it helps.
Transformer oil (also known as insulating oil) is a special type of oil holding electrical insulating properties and is stable at high temperatures. Transformer oil is used in oil-filled electric power transformers to protect, stop arcing, corona discharge, and dissipate the heat of the transformer (i.e. act as a coolant). Moreover, Transformer oil is used to retain the transformer’s core and windings- as these are entirely engrossed inside the oils. This oil also has the power to prevent the oxidation of cellulose-made paper insulation. The transformer oil simply acts as a barrier between the atmospheric oxygen and the cellulose – evading direct contact and hence reducing oxidation.
Transformer Oil Properties
Certain properties of insulating oil should be taken into consideration to identify the functionality of the oil. The properties (or parameters) of transformer oil are:
- Electrical properties: Dielectric strength, specific resistance, dielectric dissipation factor
- Chemical properties: Water content, acidity, sludge content
- Physical properties: Interfacial tension, viscosity, flash point, pour point
What factors do we test?
Transformer oil has to be checked periodically to ensure its quality, and whether it meets the standards or not. There are various methods to carry out transformer oil testing. But, to check the transformer oils in a laboratory, some factors need to be checked thoroughly. These criteria are determined by the American Society for Testing and Materials (ASTM). These tests help to identify if the oils are disinfected and create a basis for properties that need to be checked. The expenses are much lesser as compared to the cost of replacing a transformer and the downtime associated with losing the transformer.
- Standard Specification for Mineral Insulating Oil Used in Electrical Apparatus
- Acid number
- Dielectric breakdown voltage
- Liquid power factor
- Interfacial tension
- Specific resistance
- Corrosive sulfur
- Visual examination
Key Benefits- Why is Transformer Oil Testing Essential?
Transformer oil testing is important to:
- Determine essential electrical properties of transformer oil
- Identify if a certain oil is suitable for future use
- Detect whether regeneration/filtration is needed
- Reduce oil costs and enhance component life
- Prevent inexpedient failures and maximize safety
Reckon with transformer oils can last for up to 30 years. So taking the proper testing procedures now will save you money in the long run.
Quality System
At Excellent Diagnostic and Research Agency, we are committed to adhere and practicing international systems for quality management and Oil Testing & Analysis. We have valid accreditations for ISO/IEC 17025:2005 from NABL and ISO9000:2000. Both the accreditations allow our customers to be able to compare and use the test readings and our analysis to a scale comparable with National test laboratories. It is also proof of our unswerving commitment to the highest levels of quality standards for Oil testing.
Transformer condition monitoring system
Oil Testing is only half the work done. Without correct and accurate analysis, it serves no worthwhile purpose. Our engineers and laboratory staff are well equipped with knowledge and experience to be able to analyze the results and predict any kind of rapid degradation of Oil parameters, or advise residual life expectancy or fault interpretation. We follow it up with site visit and testing of other parameters of your equipment, to confirm the assessment, and help the customer take preventive and corrective measures well within time. A maintenance contract signed with us for all your critical HV/EHV equipment gives you complete peace of mind, because we look after them 24X7 thereafter, including scheduled and emergency visits.
Sectors We serve
- Power | Utility
- Oil & Gas | Petrochemical
- Fertilizer & Chemicals
- Steel | Cement
- Mining | Pharmacy
- Metro | Airport | Seaport
Why
Excellent Diagnostic and Research Agency products and services are required WHY for
- Assessing the Plant Equipment Health.
- For Plant Equipment preventive care.
- For Keeping Plant equipment performance history.
When
Excellent Diagnostic and Research Agency products and services are required WHEN Plant equipment is under break down.
- Plant Equipment is under Periodic Maintenance period, Plant shutdowns, Plant start-ups, Annual maintenance.
- Emergency repairs.
- During Plant equipment abnormal operation.
Where
Excellent Diagnostic and Research Agency products and services are required, WHERE, equipment like HV Transformers, HV Motors, TG’s are available and in operation in Plant. Excellent Diagnostic and Research Agency would add value to its clients for
- Plant equipment condition monitoring and reliability studies are to be done.
- Keeping track of the history of plant equipment.
- For providing professional advice on plant asset health, reliability, and sustainability.
Happy Clients, Happy us!
Get in Touch
Company
As a client-centric company, we make every effort to provide reliable services to our clients as per their requirements. Our professionals comprehend the precise requirement of clients and offer solutions accordingly at reasonable prices.
Links
Who we are
What we do
Resources
Jobs