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Variable frequency drives

PowerXL accessory for variable frequency drives

With PowerXL variable speed starters and PowerXL variable frequency drives, you can rest assured knowing that your variable-speed power drive system (PDS) needs will be well taken care of. These units are known for their compact design and wide applicability, making them the ideal choice for most applications on the global market. Additional options such as mains chokes, motor chokes, sine filters, and braking resistors make it possible not only to expand the devices' range of applications, but also to adapt to a variety of EMC environments and mains-side operating conditions.
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Overview

Passive harmonic filter DX-PHF
The passive harmonic filter protect the connected electrical power network from the effects of line side harmonics and improve the system's interference immunity
Active harmonic filter ADF
Common electrical disturbances can be solved with the help of ADF active filters
Mains choke DX-LN
Mains choke damps any harmonic distortion (THD) that occurs as well as current spikes and limit inrush currents
Radio interference suppression filter DX-EMC
Radio interference suppression filter damps high-frequency electromagnetic emissions from devices and appliances
Brake resistor DX-BR
A braking resistor converts the generator braking energy of the variable frequency drive into heat
Motor choke DX-LM3
Compensate the capacitive currents and reduce current ripple and the motor’s current change noise
Sine filter DX-SIN3
The Sine filter smoothens the output voltage sinusoidally and reduces motor noise through du/dt reduction
All pole sine filter DX-SIN3-A
With all-pole filters, the use of ultra-long motor cable lengths and the use of unshielded motor cables become possible
eaton-dx-emc-passive-harmonic-filter-product-picture-pf.jpg

Passive harmonic filter DX-PHF

Passive harmonic filters reduce harmonic currents (THDi) so that limits required by standards can be met.  They protect the connected electrical power network from the effects of line side harmonics and improve the system's interference immunity.  The THDi for the typical operating range can be reduced to less than 8% with a harmonic filter. The value will drop as low as 5% above speeds of 50%.
 
 
 
  • Three-phase 
  • 0 - 520 V, 0 - 150 Hz, 10 - 433 A

Active harmonic filter ADF

The state-of-the-art technologies and the complex processes of today's industry place high demands on the power grid, which means that companies are sensitive to numerous factors: 
 
  • Overheated transformers
  • Missing standards Comformity / exceeding of default values
  • Shorter equipment life
  • Production errors and failures

These problems are caused by numerous electrical disturbances that reduce the quality of the electricity. 

Minimized operational downtimes

  • Common electrical disturbances can be solved with the help of ADF active filters

Safe and Reliable

  • Reliable protection by complying with the standards.
eaton-adf-active-harmonic-filter-product-picture-pf.jpg
eaton-dx-ln-main-chokes-product-picture-pf.jpg

Main choke DX-LN

Mains choke damps any harmonic distortion (THD) that occurs as well as current spikes and limit inrush currents (the link capacitor's charging current). In addition, it protects the mains rectifier from voltage peaks coming from the supply mains. 
  • DX-LN1…: single-phase, max. 260 V, 50/60 Hz, 6 - 32 A
  • DX-LN3…: three-phase, max. 550 V, 50/60 Hz, 4 - 450 A

Radio interference suppression filter DX-EMC

Radio interference suppression filters damp high-frequency electromagnetic emissions from devices and appliances. They ensure that the EMC limit values for conducted interference specified in the applicable product standards are complied with (variable-frequency drives).
  • DX-EMC12-...-FSX: single-phase, 14-31A
  • DX-EMC12-...-SL: single-phase, 3-55A, super low leakage current max. 3mA
  • DX-EMC34-...-FSX: three-phase, 8-75A
  • DX-EMC34-...: three-phase, 8-750A
  • DX-EMC34-...-FSX-L: three-phase, 8-75A; low leakage current max. 6,5 mA
  • DX-EMC34-...-L: three-phase, 8-750A, low leakage current max. 8 mA
    DX-EMC34-...-SL: three-phase, 8-250A, super low leakage current max. 0,4mA
  • DX-EMC44-...-L: three-phase + neutral, 8-250A, low leakage current max. 7mA
eaton-dx-emc34-008-product-picture-pf.jpg
eaton-dx-br-brake-resistor-product-picture-pf.jpg

Brake resistor DX-BR

A braking resistor converts the generator braking energy of the variable frequency drive into heat. The variable frequency drive must be equipped with a brake chopper, which connects the braking resistance parallel to the internal DC link.
  • With prefabricated connection cables for installation in DA1, DC1
  • With a 1-m long connection cable
  • Temperature monitoring switch, 75 - 400 Ω, 0,4 - 1,6 kW
  • With temperature monitoring switch, 2 - 100 Ω, 0,2 - 102,4 kW

Motor choke DX-LM3

Compensate the capacitive currents and reduce current ripple and the motor’s current change noise. Attenuate the retroaction on parallel connection of several motors.

 

 

  • Three-phase
  • Max. 750 V, 0 - 400 Hz, 5 - 450 A
eaton-dx-lm3-motor-choke-product-picture-pf.jpg
eaton-dx-sin3-sine-filter-product-picture-pf.jpg

(All pole) sine filter DX-SIN3 & DX-SIN3-A

Sine filter is used with variable frequency drives require the frequency to be set to a fixed value within a range of 4 - 8 kHz. The Sine filter DX smoothens the output voltage sinusoidally and reduces motor noise through du/dt reduction, thereby increasing the motor insulation’s lifespan.  Reduction of the leakage currents to allow better motor performance at improved EMC values.

Sine filter DX-SIN3

  • Three-phase
  • 0 - 520 V, 0 - 150 Hz, 4 - 480 A

 

eaton-dx-sin3-480-sin-filter-a-product-picture-pf.jpg

All-pole sine filter DX-SIN3-A

  • With all-pole filters, the use of ultra-long motor cable lengths and the use of unshielded motor cables become possible 
  • Three-phase
  • 0 - 520 V, 0 - 150 Hz, 1.3 - 110 A
  • Up to 110A is for the filter, paralleling 2x110 A will result in 200 A
eaton-dx-sin3-024-a-product-picture-pf.jpg

Eaton will support you with all aspects related to energy efficiency.

The ErP Directive and the ever greater degree of machine automation are boosting the demand for variable speed devices, even in simple applications. What does compliance with the ErP Directive mean for you, and how can you make your applications more energy efficient? You will find answers to these and many other questions in our comprehensive white papers and brochures, as well as in our podcast with energy-efficiency experts from Eaton.
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