Three Phase Cascaded Multilevel Inverter Drive



The Cascaded Multi Level Inverter setup provides wide range of research opportunity. The complete setup can be modified as single phase or three phases. In Single phase MLI scheme the maximum level will be 13 Level and in 3-phase scheme it will generate up to 5 Level.
Basically Inverter is a device that converts DC power to AC power at desired output voltage and frequency. Demerits of inverter are less efficiency, high cost, and high switching losses. To overcome these demerits, we are going to multilevel inverter. The term Multilevel began with the three-level converter.

PWM Methods are as follows SPWM, PDPWM, PODPWM and APODPWM

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SKU: 3phase-multilevel Category:


Three Phase 3 Level Inverter Drive


  • Consists of 12 Nos, 1200V, 50A. IGBT with proper heat sink and snubber circuit
  • 12 Nos high speed opto-isolator provided for IGBT PWM inverter.
  • 12 Nos IGBT gate driver IC provided for IGBT gate driving.
  • 10 Nos isolated +15v dc @ 0.5A capacity provided for control circuit diode bridge rectifier with capacitor provided for input AC-DC.
  • FRC connector provided for IGBT PWM input.
  • MCB protection for input power ON/OFF & protection.
  • One no of restart switch and LED provided for protection circuit indication & reset the unit.
  • One no of analog DC voltmeter provided for DC voltage measurement.
    One no Power ON/OFF switch provided.
  • All are mounted on a nice cabinet with stickered front panel.
  • Test points provided for all parts of power circuit

DSP TMS320F2812 Development Board


  • On Board XDS100 USB Emulator.
  • Device: TMS320F2812
  • ROM Memory Up to 128K x 16 ROM.
  • 150 MHz (6.67-ns Cycle Time).
  • 1K x 16 Each SARAM.
  • 25MHz on board crystal.
  • 12-Bit ADC, 16 Channels.
  • On board RS-232 connector with line driver.
  • SCIA or SCIB can configure single UART.
  • 8 Digital Inputs (Push Switch).
  • 4 Digital Inputs (Slide Switch).
  • 4 Analog Inputs (Trimpot).
  • 16×2 Numeric LCD.
  • 1 Buzzer.
  • 1 Relay.
  • 12 bit SPI DAC.
  • 3 Nos AC and DC Current Measurement Provision with signal conditioning system
  • 3 Nos AC and DC Voltage Measurement Provision with signal conditioning system 

Power Supply and Load Specifications:

Power Supply

  • Input Volt                   230V, 1Ph, 50Hz
  • Output Volt                50V
  • Output Current          2A
  • Type                          Fixed Voltage

3Ph AC Induction Motor

  • 1HP, 3Ph, 50Hz, 1460RPM Induction Motor

List of Experiments

  • Single Phase MLI               13 Levels(Maximum)
  • Three Phase MLI                5Levels
  • 3 PWM Techniques for single phase and three phase

List of Equipments

  • 3 Phase 3 Level Inverter Drive          :1 Nos
  • Digital Controller                                :1 Nos
  • Power Supply                                     :1 Nos

Additional information

Weight 10.000000 kg


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