Reference Design

IRMCS2013

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"---------- Inverter Switching Frequency -------------"

(fc) Pwm carrier freq

10KHz

Dead_Time

0.5usec

" ------------ Current Regulator Tuning --------------- "

(Ireg_BW) Current Reg BW

2500rad/sec

"============== Advance Information (Platform fixed) ==============="

Note: Below values are fixed for IRMCS2013 platform however can be changed for other

platform

(Clk) IRMCK201 clock freq

33.333MHz

DC Bus Scaling (Vdc_Scl)

8.1875cts/Volt

I_Torque

(I_Trq_Rated)

4095cts for rated Amps

(Mod_Pk) - U_Alpha U_Beta max linear modulation

2355Cts

" ---------- Desired Speed feedback Scaling ---------"

(Spd_Scale)

16384cts/(Max RPM)

" -------------- Current Feedback Scaling -------------"

Current Shunt Resistor

10mOhm

Max H/W Current

26Apeak

"================== Commutation Information ===================="

Angle of Z-pulse (based on UV line to line voltage)

272degree

Mid Angle when Hall CBA is 001

120degree

Mid Angle when Hall CBA is 010

240degree

Mid Angle when Hall CBA is 011

180degree

Mid Angle when Hall CBA is 100

0degree

Mid Angle when Hall CBA is 101

60degree

Mid Angle when Hall CBA is 110

300degree

Figure 13. EXCEL Spreadsheet Inputs