This power module is designed by using IGBT based Smart Power Module (SPM) from “FAIRCHILD SEMICONDUCTORS” for Multiphase induction  motor (5 phase /6 Phase) control application. This power module can be used for Motor application by proper external PWM controller interfacing (like Dspic , FPGA & DSP). This Module consists of

  • Two Number of SPM-Smart Power Module  ( Model FSBB20CH60B ) Rating @ 600V , 20A forms 6 phase Voltage source inverter Power circuit
  • IGBT Power circuit  input and outputs are  terminated by suitable rating banana connectors in front panel with necessary indication
  • One number of diode rectifier ( 600V @ 35A ) is provided to converter input AC voltage to DC Bus voltage
  • Analogue DC Voltmeter is provided to measure DC Bus voltage
  • 12 Number of PWM Isolator IC (6N137) is used to isolate All the six PWM signals input
  • Built in IGBT Gate Driver is provided in SPM for IGBT Gate signal amplification.
  • 6 numbers of Hall effect current sensor @ 25A is provided for 3Ø output AC/DC Current measurement
  • 1 numbers of Hall effect current sensor @ 25A is provided for Input DC bus Current measurement
  • Op-Amp based Signal conditioner circuits are provided in all sensors for output current signals amplifications
  • One number of automatic trip circuit is provided for O/C protection
Power Circuit

Input : 0-230VAC , 50 HZ (or) 0-300VDC, Output : 6 Ø ,200V @ 5A , Variable Voltage & frequency

Number of PWM Input            :           12 @ Maximum PWM Frequency:15KHZ

PWM Level                                :           0-5V (TTL)

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