What is the difference of PWM generator block between 2 and 3 level?

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Mochammad Rhadityo Widiastomo 2019-1-9

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回答： Rishabh Rathore 2019-1-16

I am trying to model a PV stsem connected to the grid and use PWM generator to synchronize the inverter output with the voltage condition on grid.

I figure I need to use Three phase PWM Generator with V from Grid and PV as input.

What I do not understand is how to choose between 2 or 3 level PWM generator. Anyone could give brief eplanation please?

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Answer 1

Rishabh Rathore 2019-1-16

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The PWM Generator (3-Level) block generates pulses for carrier-based pulse-width modulation (PWM) converters using three-level topology. Where as the PWM Generator (2-Level) block generates pulses for carrier-based pulse width modulation (PWM) converters using two-level topology.

You may refer to following documentation: -

Level 2

Level 3