Patrice Brunelle

Hi Yuvaraj

Regarding the problem with C-compiler I recommend that you report the issue to the customer support service of The Mathworks.

Thanks you for your interest in the demo and to SimPowerSystem.

Hi Manu,
The size of the DC link capacitor of a VSC converter is determined by the Wc/Pnom ratio where Wc = energy stored in the capacitor bank at nominal DC link voltage (Joules) and Pnom = nominal power of the converter. This ratio is usually a fraction of a cycle, typically between 0.25 cycle and 0.75 cycle.

In our demo, C=75 000e-6 F, Vc=750 V, Pnom=50 kW

Wc/Pnom= 0.5*1500e-6*750^2 / 50e3= 0.0084 sec = ½ cycle for 60 Hz frequency

Please note that this ratio is given in the model (see comments in blue) .

In other words, it means that, with the energy stored in the capacitor, the inverter could theoretically deliver nominal power to the load during 8. 4 ms when the inverter is disconnected from the rectifier.

The PVarray model was built using R2011b. It is possible that some features available in SPS 11b cannot be run in previous releases.

Hi Patrice,
Would you please explain how to design the output LC filter? Do you have any good reference for it?
Bests,
Ali

Hello
how can I impose a fixed velocity of the vehicle by introducing the acceleration. For example to get 50 km/h, what is the acceleration to be proposed (certainly it is not acc=0) because there is a damping behavior of the vehicle if no acceleration was added.