When power is generated at a power plant, it is transmitted through a very high voltage line; the voltage of such high capacity lines can be as high as several hundred thousand volts. From there, the high voltage lines are directed to power substations. Read More…
Leading Manufacturers
Johnson Electric Coil Company
Antigo, WI | 800-826-9741We believe in offering the very best to all customers. We offer a full range of transformers, including electric transformers, current, and toroidal transformers. We will never let you walk out the door with a substandard product. If high quality is demanded, that is what we will offer. Let us help you today! Give us a call or visit us online to learn more.
Triad Magnetics
Perris, CA | 951-277-0757For over 50 years, Triad Magnetics has been designing & manufacturing electric transformers for a wide range of industries. In Triad’s standard product line, they have over 1,000 part numbers, which means you are most likely to find what you're looking for. Whether you need switchmode, wall plug-in, inductors or audio transformers, Triad Magnetics either has it in stock or they can custom design.
Pico Electronics, Inc.
Pelham, NY | 800-431-1064At Pico Electronics, we are a big name in small components. Our excellent customer service and support is a wonderful accompaniment to our quality electric transformers. We also have capabilities to provide custom transformers, power transformers, current transformers, isolation transformers, toroidal transformers and high voltage transformers. For more information, contact us today and tell us how we can fulfill your requirements.
Foster Transformer Company
Cincinnati, OH | 800-963-9799Since 1937, we have been specializing in the design and manufacture of custom ferrite transformers, chokes, toroids, inductors, pulse, RF, switching, power telephone balun and other specialties. Check out our website for more information on our full spectrum of products and services.
Lenco Electronics, Inc.
McHenry, IL | 815-344-2900Lenco Electronics, Inc. specializes in a wide variety of custom electric transformers. Lenco’s success has not come about by accident, but by providing its customers with high-quality products. When you do business with Lenco, you can do it with confidence that your product was designed and engineered by professionals. Your special application is our specialty, so call Lenco today!
Power Transformers - Triad MagneticsA power substation involves several transformers that reduce to voltage to a few thousand volts; this number is usually around 7,000 volts. The substation outputs its voltage throughout several transmission lines, each of which transmits its own 7,000 volts.
Power Transformers - Triad MagneticsThese transmission lines end at another kind of transformer; these transformers are often mounted on utility poles outside homes and places of business. It is from these comparatively small transformers that the appropriate voltage for use in homes and places of business is distributed. By the time the voltage from this transformer reaches an individual power outlet, it usually ranges between 120 and 220 volts (in the United States and some other countries).
Power transformers are used primarily to couple electrical energy from a power supply line to a circuit system. They provide the power source for all of the electronic devices used in homes and places of business. There are many variations among power transformers. Power transformers may be dry-type or cast coil design and be pole-mounted, pad-mounted, or wall-mounted. They can have 3R or 4 enclosures. Power transformers are also available with aluminum or copper windings.
Some considerations for the choice of a power transformer include the voltage that is available, the voltage load required for equipment, current and future KVA load, Hz frequency, single or three phase needs, auto or double winding, mounting configuration and whether the transformer will be used indoors or outdoors. Transformers can also be used to manage the currents transmitted through underground power lines. They are necessary for the safe and effective function of the largest and smallest electronic devices in industry, commerce and in consumer products contexts.