T&D Buyer's Guide

Did you know 1 out of every 200 transformers experiences failure each year? The safety and cost risks of an unexpected failure can be catastrophic. Dynamic Ratings products and services provide real-time data to help you make smart asset management decisions. Online monitors give you the confidence to extend the life of existing assets using real-time data. Monitors evaluate the equipment in your substation (transformers, circuit breakers, switchgear, and more) and measure their performance to make sure everything is working properly. If something looks out of place, an alarm will notify you of the problem. This information allows utilities to optimize maintenance plans and the performance of their assets to changing system requirements. Learn how we can help at www.dynamicratings.com.

Doble Engineering Company is a global leader in diagnostic test equipment, software and engineering services for the electric power industry. Founded in 1920, it helps utilities and energy asset owners improve reliability, assess system health, and optimize operations through advanced diagnostics and expertise worldwide.

High Voltage, Inc. designs and manufactures industry-leading high voltage test equipment for proof testing, diagnostic testing,  high voltage breakdown testing, and preventative maintenance testing. Trusted for the most technically-advanced, portable, and user-friendly high voltage equipment on the market. HVI test sets are used worldwide by utilities, testing service companies, electrical contractors, large industrial factories, and electrical apparatus OEMs.

HVI has been an essential supplier of electrical testers and test kits for over 20 years. Our familiarity with the regulations and procedures inherent to this industry make us more than a supplier or manufacturer, but a partner. Customers turn to HVI for its high-quality testing equipment, unparalleled customer support, and its commitment to sharing deep industry knowledge in an approachable, helpful way.

By working closely with technicians and professionals like you, we have been able to consistently innovate new technologies and solve real world problems with custom solutions. For the industry standard in high voltage testing equipment, you can rely on HVI.

AFL's conductor accessories provide superior performance and reliability for electric power utilities and rail companies. Drawing on the experience gained from over 80 years designing and manufacturing accessory products, AFL's conductor accessories improve the reliability of critical electrical and optical infrastructure used for the transmission and distribution of electricity.

Our products are manufactured in Duncan, SC in a facility that is certified to ISO 4001 and ISO 9001:2008 standards. AFL’s product offering includes the following:

• Substation accessories — Swage bus accessories including couplers, end caps, terminal taps, expansion supports and more; Swage cable accessories including couplers and terminals; both bolted and welded accessories (supports, couplers, connectors, expansions, taps, terminals, reducers, bus vibration dampers, stud connectors, end plugs and hardware) for voltages up to and including 765kV
• Substation — bus conductors (round, integral web, rectangular bar, channel, universal angle bus, and rectangular bar).
• Transmission accessories — Hi-Temp® compression, standard compression, quick compress and IMPACCT® (Implosive Accessory Technology)
• Rail Transit system accessories — high-speed rail systems, light rail systems, trolley and streetcar systems, 3rd rail systems and complete electrified transit overhead
• Fiber optic cable hardware — dead ends, suspensions, tangents, splice enclosures, snow shoes, attachment hardware and come-a-longs
• Motion control — stockbridge-type vibration dampers, spacers, spacer dampers and software for Aeolian vibration protection
• Wire products — Copperweld strand and solid wire
• Network underground accessories — multi-outlet insulated connector bars, mechanical socket and core compression system, transformer stud connectors, over-current protection devices and explosion-proof protective shells
• Tools and compounds — hydraulic presses, pumps, dies and the new ConductaClean®

The conductor accessories facility has also built an impressive record of environmental stewardship with a recycling rate for paper, wood, metal and plastic exceeding 90 percent, an aggressive storm damage expedite program and a carbon footprint effort aimed at reducing total energy each year by three percent.

We are committed to taking a proactive approach to our customers’ needs, acting with integrity and delivering as promised. AFL understands that it is about quality products and building a strong relationship with every customer.

Founded by Fouad Brikci, Ph.D., Zensol specializes mainly in instruments targeted at the electrical energy industry and maintenance services. 

Zensol has become the pioneer in a new testing method to detect problems in on line tap changers, circuit breakers and reclosers. We have the knowledge to use this innovative technology while the transformers and circuit breakers are on line. 

Designer by our engineers, they are portable and suitable for harsh environments (extreme temperatures from -40°C to +60°C). They are known for their sturdiness and their performance and a life expectancy of 15 years and more. 

We rent and support electrical testing equipment. We have more resources, more capability, and more inventory to serve the electrical testing and power industries. Our passion to the industry is unwavering. We pride ourselves on customer service and technical expertise on the equipment we rent. 

We carefully select the right equipment for your rental, prepare it in real-world conditions, complete for the application. It’s field ready.

Testing needs support; the apparatus, the test equipment, the technician, and the job. It’s all we do. 

We make the connection between logistics and the job, wherever it is. Putting a label on a box isn’t enough. We proactively monitor the shipment, adapt, and ensure delivery commitment. 

For decades, our team has distributed most of the leading manufactures equipment in the powerline industry. We have also built and designed some of the most durable, reliable, and trusted tools and equipment in the electrical utility industry. We always go the extra mile to provide not only some of the best customer service but to create some of the most well-tested products possible. We have invested heavily in advanced technology to ensure that every product we produce is second to none. We proudly offer repair services for a wide array of electrical utility tools and equipment, including warranty repairs for many of the most common brands in the industry. We also house some of the most expansive technical testing services for our products including an in-house rubber goods testing lab, ground testing, and hot stick testing.