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From mtecorp.com
Reactors have been used for many years to solve problems in variable speed drive installations. About ten years ago the use of line reactors started to become more common as they helped to solve typical problems on the input (line side) of variable frequency drives (VFD) and SCR controllers. They often have been used as low cost substitutes for 1:1 isolation transformers. The typical problems that line reactors solved were drive nuisance tripping, voltage notch reduction (for SCR controllers) and harmonic attenuation. They were called "line reactors" because they were always used on the "line side" or input of a variable speed drive. Attempts to use "line reactors" on the output side of a drive tended to fail because the line reactors typically overheated due to the harmonic content of the output waveform. Products & Services
SCR power supplies use silicon controlled rectifier (SCR) topology to provide well-regulated voltage and current output.
Reactors are used to grow cells and contain reactions.
Power filters are electronic circuits designed to locate and eliminate surges, harmonic transient currents, spikes, and other unwanted signals in power distribution systems and electrical equipment such as computers, television sets, and other devices.
Harmonic filters isolate harmonic current to protect electrical equipment from damage due to harmonic voltage distortion. They can also be used to improve power factor.
Specialty fluid and gas processing equipment includes specialty or proprietary equipment for processing fluids and gases.
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Topics of Interest
Three phase line reactors offer an economical solution to a variety of application problems in variable-speed drive installations. Reactors solve problems on either the input or the output of the...
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Users of variable frequency drives often have strict demands placed on them to mitigate harmonic distortion caused by non-linear loads. Many choices are available to them including line reactors,...
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This application note shows how to determine which reactor will work best for your DC motor drive. The selection methods described are step-by-step and easy to follow. These instructions are very...
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When Silicon Controlled Rectifiers (SCR's) are used in electrical controls, we frequently experience line voltage distortion in the form of "notches" in the waveform. The types of equipment...
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The illustration below demonstrates how a 3-phase line reactor can be used for a single-phase application. Using the mathematical method below you can calculate the inductance to determine what type...
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