Safe & Reliable

At the core of our company are the engineers and technicians performing maintenance and acceptance testing across the country. Our services include NERC and routine maintenance and performance testing, acceptance testing of circuit breakers, CCVT, CT/PT, and transformers. With capabilities ranging from 480V to 765kV, we’ve got you covered.

The purpose of electrical maintenance testing services is to reduce equipment breakdown, decrease unexpected downtime, and improve safety. Our staff are fully qualified to perform testing, repairs and upgrades on everything from 120/208V to 765kV systems.

By utilizing our team of experts for NERC and routine maintenance, we consistently provide our clients with the peace of mind of fully operational equipment.

With over 40 years of experience in acceptance testing, clients are guaranteed their equipment meets the designed specifications and performs to standard straight from the factory.

A third-party specializing in independent acceptance testing significantly prevents new equipment failures. Our team of NETA-certified technicians at EPS are ready to assist with all your acceptance testing needs.

Relay Testing Operational/Functional TestingField Verification (lockout coil resistance; trip coils)

Oil analysis provides an in-depth look at the health of your most valuable equipment. Regular testing of asset oil can lead to the longevity of providing uninterrupted, quality service to your customers.

Cables are the arteries of any medium and high-voltage power system. This is why regularly scheduled testing is essential for any medium or high-voltage underground cable system. With EPS, clients are guaranteed an experienced and knowledgeable crew to oversee their energized system to continue stable and reliable service to all their customers.

Testing and commissioning efforts are extremely important to ensure that designed protection schemes perform as engineered. The value of knowing that the testing firm performing these efforts has a wealth of experience and knowledgeable support staff to back up their field crews is invaluable.

Compliance and Maintenance Testing are imperative for the Government to ensure the health and security of the national grid. Our NETA-certified engineers and technicians have extensive maintenance and compliance, testing and commissioning experience and can identify, investigate, correct, and restore any faulty or failing equipment to guarantee government requirements are being met.

Safe and secure remote monitoring and operating necessary equipment are essential in today’s modern world. As part of our services, we offer testing and commissioning of SCADA systems, along with power line carrier systems and digital fault records. Our team of SCADA specialists assist with capturing precise, accurate data for your electrical system, which includes design, procurement, installation, and commissioning. Regardless of system protocol, we’ve got you covered.

When it comes to transformer services, there isn’t another family of companies more prepared to tackle every scope of work. Our team of experts and fleet of 55 oil processing rigs provide quality service, emergency response, and unparalleled availability. With transformers being such a critical piece of the electric system, it is vital to have experienced engineers, project managers, and field technicians for assembly, replacement, and preventative maintenance.

Our substation services include maintenance and acceptance testing for new and upgraded substations, transformer assembly, re-gasket, upgrades, and equipment life extension. In addition, our highly-skilled NETA certified technicians and engineers at EPS will confirm component integration and apparatus testing.

The costliest component of an electrical distribution system is the power transformer. We are a trusted name in the industry and perform work for transformer OEMs and other clients nationwide daily. With our vast range of capabilities and resources, you can rely on us for stress-free turnkey services.

• New Assemblies/ Oil Processing/ Testing and Commissioning
• Turnkey Transformer Decommission and Replacement
• Preventative Maintenance Programs
• LTC Services
• Leak Repair
• Apparatus testing for new or upgraded substations and power plants
• Acceptance testing
• Confirmation of fully integrated components
• Project management
• Field engineering
• EPS NETA®-certified technicians and engineers

Our team of certified breaker and switchgear experts are leaders in the industry for standard testing and maintenance services such as:

• New assemblies/ Oil and SF6 Processing/Commissioning Testing
• Turnkey Decommission and Replacement
• Service Aged Repair and Maintenance services
• Preventative Maintenance Programs

PE License – states available: AL, AR, AZ, CA, CO, CT, DE, FL, GA, HI, IA, ID, IL, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, ND, NE, NH, NJ, NM, N,OH, OK, OR, PA, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY (44 of 50 states) With 12 engineering and design offices throughout the continental U.S., we have the resources and experience to provide quality turnkey projects that are accurate and complete to design specifications. In addition, our CAD design services allow clients to access design drafts while in the development process, increasing productivity and creating the most efficient product possible. We also perform system studies and coordinate the relay settings for utility, industrial, and renewable clients with retrofitting projects or new installations.

• Transmission & Distribution Design
• Physical Electrical Design
• Civil Design
• Structural Design
• Protection and Control Design
• Relay Settings
• Engineering and Power System Studies
• SCADA, Automation, and Integration Design
• Compliance Review
• Interconnection Design and Support
• Power Quality
• Turnkey Projects
• Cyber Security

The Voltyx Family of operating companies offers top of the line power transformer cabinet manufacturing. This scope of service offers design, fabrication, wiring, and testing, as well as upgrading and replacement of control cabinets.

Technology now offers advanced and diversified monitoring, automation and control features to provide an accurate picture of the functioning and status of power transformers. With thousands of achievements for the world’s most important manufacturers, we are your specialists in the design, electrical engineering, and customized manufacturing of control cabinets for power transformers.

Depending on the desired level of involvement, we take care of manufacturing your control cabinets in full compliance with your specifications and deadline. Our robust solutions include circuits for all standard accessories, electrical wiring, and any other electrical apparatus or component provided with the transformer. We speak your language, the language of quality, trust, and commitment, and we adapt to your reality.

Upgrading and replacing control, automation, monitoring, and conditioning components is critical to extending the lifespan and enhancing the safety and reliability of aging power transformers. Retrofitting new control cabinets to existing assets requires extensive expertise. NOMOS is a North American specialist in designing, electrical engineering, and manufacturing customized control cabinets for power transformers.

Whether replacing a control cabinet directly at the substation or a power transformer refurbished at the plant, we provide a one-stop solution for every aspect of the process—from engineering and production to installation and start-up. Our customized products include circuits and interfaces for all standard accessories and components installed on a power transformer and can also be adapted to incorporate technology and safety enhancements, company specifications, and smart grid requirements.

Our experience complements yours. NOMOS—a partner you can rely on.

Our team of cabinet design experts are highly skilled at creating standard fleet-ready packages for installation on transformers. Having multiple cabinets on hand at all times helps you prepare for emergencies and avoid long wait times and deliveries for replacements.

Knowledge is power and monitoring high-voltage assets such as power transformers has always been of the utmost importance for the electric utility industry. Real-time, accurate data on the condition of a power transformer fleet supplies valuable information on the grid’s health, allowing electric utilities to make informed decisions in a timely manner.

As the power industry faces the big data era, power transformer manufacturers are required to select, integrate, install, and configure devices while gathering data efficiently and, most importantly, make sure the data will securely transfer to the final customer SCADA system using their specific communication protocol once the transformer is energized. Considering the number of possible devices, the various brands, models for each device type, and the electric utility-specific SCADA requirements, the task can be daunting. As a specialized power transformer control cabinet designer and manufacturer, our recognized experts are available to assist at any time, no matter the project size. In addition, we can conduct an Integrated Factory Acceptance Test (IFAT) at the power transformer factory on any of our control cabinets.

As a manufacturer of high-voltage equipment for the electrical grid, we understand the importance and challenges of monitoring, controlling, communicating, and protecting assets and data. In addition, as a specialized manufacturer of customized control cabinets and electrical apparatus, we know better than anyone the requirements of the electrical power industry. Our recognized expertise and our experience make us your partner of choice.

Depending on the desired involvement level, we take care of the manufacturing of your control cabinets and electrical apparatus in full compliance with your specifications and deadline. Our services can address every aspect of a turnkey solution for various applications with control cabinet-related needs:

• High voltage circuit breaker
• Tap changer
• Capacitor bank and accessories
• Application for smart grids
• Asset protection
• Turbines and generators
• Command and protection panels
• Auxiliary system and panelboards
• Any other equipment requiring the integration of a customized control system

Our specialty services are designed to assist clients with everything from pre-delivery inspection to testing and commissioning reports, to turnkey power asset relocation and life extension transformer services.

• Pre-delivery inspections
• Assembly & dielectric fluid processing services with construction/project management
• Testing & commissioning with detailed final reports
• Turnkey power asset relocation services with construction/project management
• Life extension transformer services