Transformer Testing

What Is Transformer Testing?

Transformer testing refers to checking the functioning of a transformer to improve efficiency and decrease the chance of failure. Transformer failure can occur due to electrical, thermal, or mechanical factors, and keeping the transformer well-maintained in good working order is an important part of the process. 

Transformers play an essential role in any electrical distribution system. If one transformer is malfunctioning, the distribution system that relies on it may be damaged, and there is no potential to transfer electrical energy as needed. When we perform transformer testing, we will thoroughly check all the various components of the transformer to ensure they are functioning safely and reliably.

Why Is Transformer Testing Important?

It is vital to identify potential transformer problems before they become major issues that can create a safety hazard and an unscheduled shutdown.

For example, modern transformers have closer tolerances than older transformers. This means that effective, regular maintenance and testing are even more essential to the continued fluid operation. Our technicians are familiar with the methods of maintenance and testing to best evaluate the condition of any transformer.

How Can Craft Electric & Maintenance Help With
Transformer Testing?

As one of the leading commercial electricians, we will start with a de-energized cleaning of the interior of the transformer and perform these recommended tests:

• Insulation resistance testing - This helps us verify the integrity of the transformer windings. If there is deterioration in the winding insulation, this could cause equipment failure. 
• Transformer turns ratio (TTR) testing - This confirms that the transformer has the correct ratio of primary turns to secondary turns. Using it correctly can help identify a variety of faults inside transformers. 
• Voltage and Current Diagnostics - We verify that the input and output voltage is correct to ensure that your equipment is performing optimally. 

After we complete these tests, we develop a diagnostic report outlining our findings and recommendations for any corrective action.

What Type of Transformer Testing Reporting Do We
Provide?

Our report is a single-page form that informs you of your pass or fail status. If your transformer fails, we will provide a root cause analysis and recommendations for corrective action. Typical services to mitigate problems include:

• Verify proper installation
• Interior cleaning of transformer and windings
• Replacement of transformer

For more information on transformer testing and reporting, please click the button below to speak with an expert.

Why Choose Craft Electric & Maintenance for Transformer
Testing?

Craft Electric & Maintenance has the experience necessary to help move your project forward and strictly complies with the national electrical code. We are NFPA 70E compliant for electrical safety in the workplace. We will not put your company and staff at risk or our employees.

We ALWAYS follow current NFPA 70B standards or industry best practices. We have technicians properly trained in the different methods of transformer testing, and we are ready to help you when you need it most. We offer 24/7 emergency service to existing clients. We understand that you often need a quick response for services, and we strive for a one-week turnaround on proposals.