LCL Filter for Four - quadrant inverter 11KW

Description of LCL Filter:

LCL filter is mainly used to mitigate harmonics on the four-quadrant frequency inverter and feedback part of the power system, to ensure the normal operation of the entire system.

Features of LCL Filter :

Power quality improvement for Active Infeed Converter (AIC)
High attenuation of pulse frequency to the grid side
Integrated damping resistors to suppress current oscillation
Degree of protection: IP00
Modifications possible according customer specific requirements
For natural air cooling
Design complies with CE certification

Technical data and measuring conditions of LCL Filter:

Rated voltage :  400 V AC (50/60 Hz)
Rated current :  Referred to 50 °C rated temperature1)
Test voltage:   2240 V DC, 2 s (line/line), 2720 V DC, 2 s (lines/case)
Overload capability : 1.5 x rated current for 3 min per hour
Active infeed converter (AIC)/ Frequency inverter carrier frequency: 2 kHz ... 8 kHz
Motor frequency:   0 Hz ... 100 Hz
Motor cable length:  less than 150 m
Noise:     approx.. 72dB
Climatic category (IEC 60068-1):  25/100/21

Terminals：

Finger-safe terminal blocks (16 A to 66 A)
Busbars for AIC reactors and line reactors (100 A to 400 A)

Application of LCL Filter:

Active infeed converter for: Elevators, Test benches, Centrifuges