Shunt Active Filter Trainer

Specification

• FPGA Spartan 3A DSP board used for generating the PWM signals.

• Three phase 3 level diode clamped inverter used as a Active filter.
• SRF (or) Instantaneous PQ theory will be used to generating reference current.
• PI control or fuzzy logic will be used to regulate the dc link capacitor voltage.
• Reference DC link Voltage will be 250V.
• Hall effect current transducers used to sense the source currents, load currents and compensation currents.
• Hall effect voltage transducers used to sense the dc link voltage and source voltages.
• Necessary source inductor and filter inductor provided.
• Input source Line voltage -200V (Peak).
• Input source Current -10A (Peak).
• Power Rating -3KW.
• Reactive power compensation can be provided.
• 3KW linear and non-linear loads will be given.
• User can modify source, filter inductance and external loads.
• User can modify control algorithm.
• Industrial type cabinet provided.
• Before compensation source current THD will be greater than 26%
• After compensation source current THD
   - 2.5 - 4% in 3 level inverter
   - 4 - 5% in 2 level inverter