Tame the wave
Problem with harmonics? Danfoss has the solution
It is important to understand harmonics in order to select the proper solution to mitigate. Harmonics can have detrimental effects on system performance including:
- Distorted current flows through transmission devices.
- Extra heating of power transformers and cables that supply current to the nonlinear load.
- Decreased capacity in local generators
- Nuisance tripping of protection relays and circuit breakers.
- Increased utility costs
- Voltage distortion
View the presentation below to understand harmonics, then choose between several Danfoss solutions which can optimize your system performance to meet the guidelines set forth in IEEE 519-2014.
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The VLT® PHD-202 Preferred Harmonic Design (PHD) is a full-featured, AQUA dedicated drive solution when conformance to IEEE-519 is required, even at the drive terminals. The PHD-202 has a number of features developed specifically to meet the diverse needs of water and wastewater applications and is the most practical solution to address growing harmonic concerns within the industry.
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Danfoss Standard 2- or 3-Contactor Bypass Panels are known for their product quality and premium design standards. With this quality comes a wide array of choices among our standard base products. Multiple enclosure ratings, bypass control styles, and physical arrangements insure you can have your Danfoss drive panel your way.
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The VLT® LHD is the first solution to combine an active filter and a drive in one package. It continuously regulates harmonic suppression according to the load and grid conditions without affecting the connected motor. The total harmonic current distortion is reduced to less then 3% on grids with balanced mains, a minimum pre-distortion to less than 5% on grids with high harmonic distortion and 2% phase unbalance. The VLT® Low Harmonic Drive meets all present harmonic standards and recommendations.
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The VLT® Advanced Active Filter AAF 006 has reached the Limited phase of its lifecycle and is no longer in active production. Danfoss will help you select the optimal replacement for your application.
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The VLT® PHD-102 Preferred Harmonic Design (PHD) is a full-featured, HVAC dedicated drive solution when conformance to IEEE-519 is required, even at the drive terminals.
