Módulo amplificador de potência.

Abstract

The amplifier modules are widely used in applications where amplification of voltage, current, or both in electrical signal magnitudes are necessary. In applications where systems / processes are simulated using real-time simulation, the use os power modules enables the implementation of Power Hardware in the Loop (PHIL), allowing for example, the study of the operation os active power filters in electric distribuition networks, the impact of distributed generation in these networks etc. This paper proposes the design of a power amplifier module using a DC / AC H-bridge converter, PWM modulation technique and LCL filter at the output in order to generate voltage signals up to 110V, current up to 20 A, and operation frequencies at 60 Hz and odd harmonics up to the twenty-fifth through control of IGBT keys.