mcb.getInverterParameters

Return inverter parameters

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    Syntax

    inverter = mcb.getInverterParameters(inverter_type)

    Description

    inverter = mcb.getInverterParameters(inverter_type) returns a struct of parameters for an inverter of type inverter_type.

    example

    Examples

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    Get parameters for the DRV8312-C2-KIT inverter.

    inverter = mcb.getInverterParameters("DRV8312-C2-KIT")
    inverter = 

  struct with fields:

               model: 'DRV8312-C2-KIT'
                  sn: 'INV_XXXX'
                V_dc: 24
              I_trip: 9.7000
              Rds_on: 0.0800
              Rshunt: 0.0100
       CtSensAOffset: 2052
       CtSensBOffset: 2043
             ADCGain: 1
         EnableLogic: 1
        invertingAmp: -1
          ISenseVref: 3.3000
    ISenseVoltPerAmp: 0.1908
           ISenseMax: 8.6478
             R_board: 0.0833
     CtSensOffsetMax: 2500
     CtSensOffsetMin: 1500

    Create a new inverter parameter structure with default values, which you can populate with custom values for your inverter model.

    inverter = mcb.getInverterParameters("myInverter")
    Creating new inverter parameter structure.

inverter = 

  struct with fields:

               model: 'new'
                  sn: 'INV_XXXX'
                V_dc: 1
               I_max: 1
              I_trip: 1
              Rds_on: 1.0000e-03
              Rshunt: 1.0000e-03
       CtSensAOffset: 2048
       CtSensBOffset: 2048
             ADCGain: 1
         EnableLogic: 1
        invertingAmp: 1
          ISenseVref: 3.3000
    ISenseVoltPerAmp: 1
           ISenseMax: 1.6500
             R_board: 0.0013
     CtSensOffsetMax: 2500
     CtSensOffsetMin: 1500

    Input Arguments

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    Type of inverter, specified as a character vector or string.

    If you specify a value other than the ones listed above, the function returns a structure with default parameter values.

    Output Arguments

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    Inverter parameters, returned as a struct with the following possible fields:

    • model — Manufacturer's model number, returned as a character vector

    • sn — Manufacturer's serial number, returned as a character vector

    • V_dc — DC link voltage (in volts), returned as a scalar

    • I_trip — Maximum current for trip (in amperes), returned as a scalar

    • Rds_on — On-resistance (in ohms), returned as a scalar

    • Rshunt — Shunt resistance (in ohms), returned as a scalar

    • R_board — Per-phase board resistance seen by motor (in ohms), returned as a scalar

    • CtSensAOffset — ADC offset for phase A, returned as a scalar

    • CtSensBOffset — ADC offset for phase B, returned as a scalar

    • CtSensCOffset — ADC offset for phase C, returned as a scalar

    • CtSensOffsetMax — Maximum limit of automatically calibrated ADC offsets for current sensor, returned as a scalar

    • CtSensOffsetMin — Minimum limit of automatically calibrated ADC offsets for current sensor, returned as a scalar

    • ADCGain — ADC gain factor scaled by SPI, returned as a scalar

    • EnableLogic — Type of inverter, returned as one of the following:

      • 1 — Active high-enabled inverter

      • 0 — Active low-enabled inverter

    • invertingAmp — Convention for current entering motor, returned as one of the following:

      • 1 — Current entering motor sensed as positive by current sense amplifier

      • -1 — Current entering motor sensed as negative by current sense amplifier

    • ISenseVref — Reference voltage of current sensor circuit (in volts), returned as a scalar

    • ISenseVoltPerAmp — Current sensor voltage output per ampere of current (in V/A), returned as a scalar

    • ISenseMax — Maximum peak-neutral current that can be measured by current sensor (in amperes), returned as a scalar

    Version History

    Introduced in R2020a

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    See Also

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