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With more than 500 transformer manufacturers in the world, why choose Triad? We’ve been an industry leader for over 80 years, demonstrating our commitment to quality and reliability as we continue to innovate. With over 1,500 standard off-the-shelf parts and the capability to customize any of our products to meet your specific needs, our engineering team is available to assist you. Contact us today to let us know how we can help with your next project!
At Acutran, we present ourselves as a dedicated manufacturer of electric transformers engineered to deliver dependable power conversion, long-term reliability, and consistent performance in demanding electrical applications. We design and build transformers that support efficient voltage regulation, electrical isolation, and system protection across industrial, commercial, and OEM environments.
At Prem Magnetics, Inc., we present ourselves as a dedicated manufacturer of electric transformers engineered to deliver reliable power conversion, electrical isolation, and consistent performance across demanding industrial and OEM applications. We focus on designing and producing transformers that support efficient energy transfer, stable voltage regulation, and long service life.
Established in 1973 manufacturing a wide variety of custom transformers and inductors. Transformer products range from small PC transformers to single-phase units with capacities between 10mW and 25KVA, as well as three-phase transformers from 7VA to 75KVA. With our extensive experience in custom inductors and transformers, Lenco serves as your source for all requirements. We offer affordable samples, as well as design and manufacturing support, whether you need just one unit or thousands.
At Foster Transformer Company, we present ourselves as a dedicated manufacturer of electric transformers designed to deliver reliable power conversion, electrical isolation, and consistent performance across a wide range of industrial and OEM applications. We focus on building transformers that operate efficiently, manage heat effectively, and maintain stable electrical characteristics over long service lives.
Current transformers are tools that are used to measure the current (or flow of electricity) in electrical transmission lines.
Current transformers are important parts of power grid flow measurement. They can be found in large volumes on all power grids at specific intervals. They are also found mounted on homes and businesses for the purposes of measuring electricity flow. They are fitted with meters that can be easily read by utility workers. Because of the role current transformers play in the measurement and control of the flow of electricity, they are an essential part of all electricity control and access systems.
Understanding a current transformer requires an understanding of electrical current. Electrical current is measured in amperes, and one ampere is equal to the movement of 6.241 × 1018 electrons passed a given point per second. While power transformers control voltage, current transformers can measure and control movement for measuring purposes and help control the flow of electricity to electronic devices. Current transformers are used to obtain the measure of current in an AC power transducer. Current transformers also retain the ability to transform current to a value suitable for measurement or control. These transformers provide isolation and a step-down current output.
The simplest form of a current transformer consists of two coils of wire, electrically insulated from one another and arranged so that a change in the current in one coil (the primary) will produce a change in voltage in the other (the secondary). The transformers are designed to provide a current in its secondary, which is accurately proportional to the current flowing in its primary.
There are several types of current transformers including protective, measuring, air-gapped, anti-remanence, wideband, and linear current transformers as well as differing styles including split core and clamp-on current transformers. As is true with all other electricity control and measuring equipment, extra care must be taken when servicing or inspecting current transformers in order to avoid injury or equipment damage.
The accuracy and cost of current transformers depend on core materials. In a current transformer, the wire to be gauged is placed within the opening of the device and a measure of either alternating voltage or alternating current is produced.
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Current Transformer Informational Video