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Altivar AFE Inverter Schneider 120kW - 860kW

 

 

Altivar AFE Inverter Schneider 120kW - 860kW

Altivar AFE (Aktive Front End) option for energy regeneration to the line supply

Altivar AFE Models

  • VW3A7250 : active infeed converter - 120 kW - 380/480V
  • VW3A7251 : active infeed converter - 145 kW - 380/480V
  • VW3A7252 : active infeed converter - 175 kW - 380/480V
  • VW3A7253 : active infeed converter - 240 kW - 380/440V
  • VW3A7254 : active infeed converter - 275 kW - 380/480V
  • VW3A7255 : active infeed converter - 340 kW - 380/480V
  • VW3A7256 : active infeed converter - 430 kW - 380/440V
  • VW3A7257 : active infeed converter - 540 kW - 380/440V
  • VW3A7258 : active infeed converter - 675 kW - 380/480V

 

Applications

  • Crane applications (hoists, long travel motion)
  • Downhill conveyors, winches, escalators
  • Complex drive systems
  • Test benches and high dynamic drives
  • Pump/turbine combinations
  • Low harmonic drives

 

Technical data

  • Power range of 120 – 860 kW
  • 3-phase 380 - 480V ±10%; 50/60Hz ±5 %
  • 3-phase 500 - 525V ±10%; 50Hz ±5 %
  • 3-phase 575 - 690V ±10%; 50/60Hz ±5 %
  • Built-in unit with protection degree IP00
  • Operating temperature from -10°C...+45°C (up to +60°C with derating)


Line disturbance/conditions

  • THD(i) of less than 4%
  • Power factor of cos Phi 1 independent of the load and the energy direction
  • Line voltage drops of up to 40% without disturbing operation
  • Wide frequency range
  • Line short-circuit power up to 100kA

 

Simple planning and installation

  • Line contactor already integrated
  • No external control voltage supply necessary
  • Integrated charging circuit providing a maximum fourfold power at the DC bus
  • Operation independent of the phase sequence


Energy-saving operation

  • Energy regeneration to the line supply
  • Improved efficiency thanks to an innovative control system
  • No need for damping resistors (which cause heavy losses), thus making it is especially robust in heavily distorted supply voltages
  • Reduction of transformer losses, wiring and switching devices


The Active Front End is connected upstream of the standard frequency inverter and consists of three components :

  • Active infeed converter - AIC
  • Line filter module - LFM (EMC filter, line contactor and charging circuit)
  • Line filter choke - LFC (3 parts)

 

 

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