Sagar Modi

10 Questions 11 Answers 0 Followers

Questions related from Sagar Modi

How to select three phase transformer parameters in MATLAB?

I am simulating three phase inverter connected to grid through three phase transformer using MATLAB. How to calculate parameters shown in attached image for a given rating? Ratings: 480V /480V...

13 March 2017 9,280 5 View

How to select the split capacitance value in two level three phase inverter?

I am simulating two level three phase inverter in MATLAB and line currents are affected by the split capacitor value.Is there any method to find value of split capacitor ? Thank you in advance.

04 February 2017 4,791 2 View

How to do theta compensation in sliding mode speed control of PMSM ?

sliding mode angle is shifted with respect to sensored angle due to first order low pass filter.I have introduced the compensation that is (atan(w/wc) however still it is not sync with the...

26 July 2016 5,767 3 View

How to calculate sliding gain value in sensorless control of PMSM using sliding mode control?

I am implementing speed control of PMSM using sliding mode observer method. I have following questions. a) How to decide sliding mode gain ? b) How to decide cutoff frequency and gain of low pass...

06 July 2016 2,157 1 View

How can I calculate the value of capacitor in dc-dc bidirectional converter?

Consider battery bank is connected to grid through bidirectional dc dc converter and three phase inverter. The energy storage capacitor is connected in between dc dc converter and three phase...

01 April 2016 3,326 2 View

How to eliminate voltage imbalance at the midpoint of split capacitor (DC side ) of three-phase inverter?

I am simulating three phase grid ties inverter and the filter capacitors are connected in star connection. The neutral point of filter cap is connected to the the mid point of split cap. My...

17 November 2015 8,573 9 View

How can I design PI controller to control output of inverter from reference ABC control ?

How to design PI controller when three phase AC current reference waveform generated (reference) and compared them to the actual current waveform at the output of inverter and fed at the input...

06 November 2015 1,819 4 View

How can I calculate reactive power consumption of star connected capacitor bank at the output of inverter?

How to calculate reactive power consumption by star connected capacitor bank at the output of three phase inverter? Is it 3*V^2/Xc ? what should I take V as line voltage or phase voltage?

03 November 2015 3,696 9 View

How do I find transfer function of three-phase inverter and how do I design its compensator parameters for grid tied application?

I want to simulate three phase grid tied inverter and i need transfer function of three phase inverter so that i can find kp and ki parameters to control output of inverter using siso tool.

08 October 2015 1,835 10 View

In dc/dc boost converter feedback, after designing type-3 compensator's transfer function, how can we tune it in matalb simulink model?

I am trying to simulate interleaved dc dc boost converter in simulink and I am currently working on feedback part. I have designed the type 3 compensator for voltage feedback.After deriving...

21 September 2015 6,734 4 View