Basic Electrical and Electronics Engineering: Unit III: Analog Electronics

Current Source Inverter (CSI)

Block diagram, Operation

The inverter is known as current source inverter when the input of the inverter is a constant DC current source.

CURRENT SOURCE INVERTER (CSI)

The inverter is known as current source inverter when the input of the inverter is a constant DC current source. Stiff current is supplied to the CSI (current source inverter) from the DC source where the DC sources have high impedance. Usually, a large inductor or closed loop-controlled current are used to provide stiff current. The resulting current wave is stiff which is not influenced by the load. The AC output current is completely determined by the states of switching devices in the inverter and the DC applied source.


The output voltage and current waveform of the inverter circuit, v and i respectively, are assumed to be AC quantities. These are stated in terms of RMS values normally while the deviation of these waveforms from their fundamental and sinusoidal components is represented in the terms of THD factors. THD shows the total harmonic distortion.

Basic Electrical and Electronics Engineering: Unit III: Analog Electronics : Tag: : Block diagram, Operation - Current Source Inverter (CSI)


Basic Electrical and Electronics Engineering: Unit III: Analog Electronics



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