About the company
Delta Star Incorporated manufactures medium power transformers (5 through 300 MVA; 5 kV up through 345 kV class) and is the premier manufacturer of mobile substations in North America. In Canada, Delta Star Transformer's facility is located in Saint-Jean-sur-Richelieu near Montreal, Quebec.
Every steel tank is designed and manufactured at DSI factories, giving both flexibility and control over quality and lead time.
DE-ENERGIZED TAP CHANGERS AND SWITCHES
Delta Star’s commitment to building their own switches gives the ability to make the complex multiple voltage designs that are unique to their product.
PREVENTIVE AND SERIES AUTOTX
DSI considers this a vital component of a load tap changing power transformer. While others purchase these components from third party providers,DSI designs and builds theirs in-house.
NITROGEN PRESERVATION SYSTEMS
Delta Star’s decades of building mobile substations has led to a reliable nitrogen system that is considered the best in the industry.
DSI builds lightweight, durable aluminum enclosures and control cabinets for entire substations. Unmatched engineering staff designs transformer protection and relaying systems on some of the most complex mobile substations on the market.
Over the years DSI has relied on an epoxy based primer with a polyurethane topcoat that they apply to every transformer.
The Delta Star product list goes far beyond power transformers. They have a strong reputation for providing the flexibility to build Auto and Ground Transformers, Voltage Regulators, Mobile Circuit Protectors and Mobile and Portable Substations. As a result, Delta Star is the only North American transformer manufacturer with the breadth of products to meet all your power needs.
Field Service has always been a hallmark of Delta Star, providing the best and most comprehensive service available to ensure that your transformers operate at optimum performance. Delta Star Field Service offers full-service packages which include installation, processing, standard maintenance, and specialized services. Delta Star Field Service focuses on preventive maintenance that minimizes future unscheduled maintenance and optimizes the life of the transformer.
Delta Star has secured their position as the premier manufacturer of mobile substations building hundreds of units over the last 30 years. Power industries in the United States and around the world have recognized the Delta Star mobile for its unparalleled compact, durable and reliable over-the-road design. Whether it is a natural disaster, premature failure, power outage, or simply scheduled maintenance, Delta Star will give you time, flexibility and power. Delta Star's creative, experienced engineers provide complete substation designs, from standard voltage to the development of new, innovative products. This is why Delta Star’s mobile substation customer list includes many of the world’s largest utility companies and government agencies.
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