Pre-commissioning testing is essential for safe and reliable transformer operation. All tests should be performed by qualified specialists using calibrated equipment and approved procedures. Transformers should not be energized until test results have been reviewed and compliance with technical requirements has been confirmed.

Arya Transfo Services Company provides a comprehensive range of on-site testing and diagnostic services, including:

• OLTC Functional Testing
• Vector Group Verification
• Turns Ratio (TTR) Testing
• Excitation Current Measurement
• Winding Resistance Measurement
• Insulation Resistance Testing
• Core and Frame Insulation Testing
• Bushing Capacitance and Dissipation Factor (Tan Delta) Testing
• Winding Capacitance and Dissipation Factor (Tan Delta) Measurement
• Protection and Control Circuit Verification
• Current Transformer (CT) Testing
• Transformer Oil Testing
• Dissolved Gas Analysis (DGA)

Using advanced test equipment and internationally recognized testing practices, Arya Transfo Services Company performs pre-commissioning testing, completes the required inspection records, and evaluates test results to verify transformer readiness for service.

In the event of abnormal transformer performance, Arya Transfo Services Company also provides diagnostic testing and fault investigation services to support condition assessment and trouble.