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Effective voltage of motor under rated power
When I test my ACIM motor by using lab13e, the motor working at maximum speed ,and I Increasing load , normally the phase voltage will reached 15V which is the effective value of rated voltage .The...
View Articleexample codes available of Decoupling?
Dear all/Dave Wilson,I am using TMS320F2811 and TMS320F28069 device to develop induction motor control algorithm. I am using control suit example codes to develop sensor less vector control...
View ArticleInstaSpin BLDC startup current spike
I am using the Instaspin BLDC code to run a small 12 volt motor. We are using the cascaded level 8 configured code. I notice a current spike when I enable the motor to start. This initial spike...
View ArticleHave SPRUHJ1C Chapter 21 and Chapter 22 released yet?
Wondering if Chapter 21 and Chapter 22 in InstaSPIN User's Guide released ?If not is there any helping documents/resources in the same topic "Building Your InstaSPIN-FOC and...
View ArticleControlling Low Side FETs (DRV8301-69m-kit)
Hi folks,I posted this question to the motor driver forums but was recommended by Nicholas to come here with my problem. Here is the link to my exchange with him:...
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Effective voltage of motor under rated power
When I test my ACIM motor by using lab13e, the motor working at maximum speed ,and I Increasing load , normally the phase voltage will reached 15V which is the effective value of rated voltage .The...
View ArticleCurrent Regulator Problem
We're running a BLDC motor in torque-control mode, using Lab 04a on a DRV_8301 EVM kit with a 28069 Control Card. We ask for a particular amount of Q-axis current and then vary the load. The system...
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overcoming holding torque
Hi,Our setup is DRV8301 eval kit, F28069M, 42V supply, PMSM motor. Phase to Phase peak Kt = 32 oz-in/A. Ke = 23 Vpeak/kRPM. Encoder sensored control. flag_enableForceAngle = true.Question 1: We've...
View ArticleInstaSpin SVM Questions
I am relatively new to motor control and am in the process of trying to wrap my head around everything. I am using the InstaSpin FOC motor control firmware on a TMS320F2807 chip and am wrestling with...
View ArticleOvermodulation and other questions
I have been playing around with motoware on the LAUNCHXL-F28027F + BOOSTXL-DRV8301 platform for a while now. For the most part I am coming to terms with it. However I am left with several questions I...
View ArticleMeasuring power consumption with MotorWare 15 proj_lab5b
I am using the MotorWare project proj_lab5b, and I want to measure the power consumption of the motor. To measure the voltage, I read the gMotorVars.VdcBus_kV variable. But I can't find it's...
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How can I limit the minimum PWM pulse width in InstaSPIN-Motion?
Hello,I try to run the InstaSPIN-Motion on my own board with F28069M.I find that sometimes the PWM pulse is too short for the MOSFET to switch on/off completely as following picture. Is there any...
View Articlewhat's the impact on performance when change from traditional svgen...
hi: I find that in some old version of motorware, the svgen algorithm is traditional svgen algorithm to generate SVPWM signal.however in the newest motorware, all of the svngen algorithms are...
View ArticleHigh acceleration rate using torque control in high speed BLDC
Hi,Is it possible to achieve acceleration of 420krpmps in high speed BLDC using torque control with LAUNCH-F28027F-BOOST-DRV8301?I've already run it with the Lab4 and get it running up to 36krpm with...
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How can I limit the minimum PWM pulse width in InstaSPIN-Motion?
Hello,I try to run the InstaSPIN-Motion on my own board with F28069M.I find that sometimes the PWM pulse is too short for the MOSFET to switch on/off completely as following picture. Is there any...
View ArticleInstaSpin lab04 current control issue
Hi Sir,evm : DRV8301-69m-kitmotorware ver : v15application : e-bikemotor pole pair : 7user.h USER_MOTOR_MAX_CURRENT (5.0) --> for testI used lab04. Iq=2.0 the motor run max speed =...
View ArticleDoes InstaSPIN FOC provide DC bus voltage control during dynamic breaking?
When the PM motor is acting as a break (trying to slow down the RPM of the load it is carrying), the energy will feed back to the DC link capacitor. Does InstaSPIN FOC control the breaking when the DC...
View ArticleCalculating current consumption
Hello Chris,we got a problem with an answer you provided me some time ago.In this thread you confirmed the overall current consumption to be the Is_A value...
View ArticleInstaSpin SVM Questions
I am relatively new to motor control and am in the process of trying to wrap my head around everything. I am using the InstaSpin FOC motor control firmware on a TMS320F2807 chip and am wrestling with...
View ArticleDoes the estimator can work without voltage feedback circuit?
Hello,I am using InstaSPIN-Motion with F28069M from Lab12b. Due to some reasons, my board doesn't have voltage feedback circuit. Are the following features still supported or need be modified?1.I find...
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