Altivar AFE Inverter Schneider 120kW - 860kW
Kitoma Indonesia : 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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