Our Products
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CoolBLUE toroids made from the nanocrystalline material NANOPERM are being used increasingly to reduce damaging motor bearing currents in modern high-power inverter systems operating at high switching frequencies. As a result of these unwanted currents, the bearings corrugate, leading to electrical breakdown in the lubrication and finally to a standstill of the entire motor.
The use of CoolBLUE cores not only significantly reduces the over voltage peaks at the motor terminals, but also suppresses the asymmetrical EMI currents which are generated by the parasitic capacities of the motor itself together with the motor cable.
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MAGNETEC has designed a NANOPERM Line Absorber (NaLA) which is advanced and effective in the reduction of noise coming from Inverter-Motor Systems. They are very effective when combined with CoolBLUE and installed near to the inverter.Download
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Nanoperm Low Mu cores (µnom = 1.000, 2.000, 4.000 und 8.000) are very much advantageous in EMC filters for applications with a high amount of asymmetric interference current (e.g. inverter drives) compared to the established Ferrite materials.
The benefits:
3x higher Saturation Flux Density Bsat at the same Permeability level
Small build Volume and Weight
Broadband better attenuation performance particularly in higher frequency ranges
High permissible working temperature (typ. > 120°C)
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Our single and multiple phase chokes are based on toroidal tape wound cores that combine with our nanocrystalline soft magnetic material NANOPERM high attenuation levels with small build volume. Size reduction of 60% using our Single and Multiple Phase Chokes compared to Ferrite solutions is possible. Our design is in accordance with EN60938-1 for 230V and 500V/600V mains voltage. Standard tolerance of the nominal inductance is +50%/-30%. We offer samples and custom specified versions of our products upon request.
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Our CoolTUBE is a set of our “nanocrystalline” cores that replaces the shielding of motor cables. The purpose of shielded motor cables and CoolTUBEs is to prevent radiation of high frequency noises. Through the simple installation of CoolTUBE, it is perfectly suitable for retro-fits as well as being a safe solution to satisfy ElectroMagnetic Interference (EMI) standards. Each single CoolTUBE can handle up to 50 m motor cable. which results in an optimized kit for every customer application. CoolTUBE can handle up to 1,2 MW Motors’.Download
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MAGNETEC has specially designed Low Cost product line Cores for common mode filter chokes. For example, high attenuation is achieved with minimum core material. This is a new alternative to existing Ferrite based solutions. The bigger, inner-hole makes a higher number of turns possible.
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