DSP?Based Multilevel Inverter

This project is design to control the multilevel inverter using TMS320F2812 DSP controller. This high speed DSP processor is used to generate PWM signals, which is applied to driver circuits and this driver circuit is used to isolate and amplify the pulses. This main objective of this project is used to reduce switching losses and harmonics using DSP Processor.

Project Type? : Hardware Kit
Delivery? ? ? ? ? :? 4 – 5 Days
Support? ? ? ? ? : Online Live Session
Deliverables? : Project Kit, Report and Presentation
SKU: PAN_PE_137 Category:
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Description

ABSTRACT

This project is proposed to control the multilevel inverter using a digital signal processor (DSP). The controller used is TMS320F2812 DSP controller. This DSP processor is used to generate pulse width modulation (PWM) signals. The PWM signals are applied to driver circuits and this driver circuit is used to isolate and amplify the pulses. This project is used to reduce switching losses and harmonics. The output waveform is displayed.


BLOCK DIAGRAM

DSP Based Multilevel Inverter

BLOCK DIAGRAM EXPLANATION

The block diagram of DSP based multilevel inverter is shown above. The DSP controller is used to produce the PWM signals. And the PWM signal is applied to the driver circuit. These driver circuits are used to isolate and amplify the PWM signals. The driver transformers are connected to the driver circuit.

This circuit has two inverters. And also inverter wants a power supply, so the power transformer is connected to the inverter board. The transformer ac supply is converted to dc supply by using a bridge rectifier with a filter. The inverters are used to convert the dc supply into ac supply. That ac supply is applied to the load.


TLP 250 DRIVER BOARD SPECIFICATIONS

  • 1 No?s Opto-Isolated Gate Drive
  • Input Voltage 12V/AC/50Hz
  • Output pulse Voltage: 15V
  • Operating Frequency 25 kHz
  • All input and outputs are terminated with RMC Male Connectors

Three phase Induction motor control using TMS320F2812 DSP Controller 2


Multilevel Inverter with DSP CONTROLLER

The TMS320F2812?DSP Controller is used to generate the PWM pulses for a three-phase inverter circuit.?The TMS320F2812 DSP Controller pulses are given to the driver circuit as input. Driver board is mainly used to isolate and amplify the input signals from the controller. The amplified driver output is connected to the main power circuit devices. The ac supply is converted into dc by using a bridge rectifier. And the dc voltage is applied to three-phase inverter circuit

Multilevel Inverter
Multilevel Inverter

INVERTER BOARD

DSP Based Multilevel Inverter 3


CONNECTION DIAGRAM

DSP Based Multilevel Inverter 8


OUTPUT WAVEFORM

DSP Based Multilevel Inverter 2 1

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