Juan Cabeza

10 Questions 11 Answers 0 Followers

Questions related from Juan Cabeza

How to integrate the PI controller in the state space equations of a grid-forming inverter?

Good morning, I am trying to simulate a grid-forming inverter in a grid-connected microgrid. The inverter control comprises the nested inner voltage and current control loops, each with a PI...

10 April 2023 6,819 3 View

Requirements to sync a grid-forming/grid-supporting converters to the external grid?

Dear all, hope you are well at the moment. I am trying to simulate with Simulink-Simscape a low voltage microgrid including one voltage-source converter. This VSC is to operate as grid-supporting...

18 December 2021 3,717 1 View

How to size a grid forming inverter for an islanded microgrid?

Dear all, hope you are keeping well at the moment. I am trying to study an islanded microgrid with one grid-forming converter (GFMC) and several grid-feeding converters GFC supplying power to the...

05 February 2021 1,506 3 View

How to control the in-rush current of a grid following converter upon sync to the grid?

Good morning, I refer to the PV grid-following converter units being controlled in P-Q mode. I just compare them to conventional synchronous generators. These latter are off-loaded when first sync...

15 November 2020 9,622 3 View

Which technique is more prone to transients and dynaminc instability: sinus PWM or SVPWM?

Good morning all, acc to what I have learned so far, the achievable output voltage frequencies in a PV inverter with SPWM and SVPWM are similar so it should be their respective performance in...

25 April 2020 2,385 2 View

Any available paper on dynamics of heavy loads in an off-grid microgrid?

Good morning, I refer to isolated microgrids e.g rural power systems. In these off-grid systems chances are that the starting of loads involving great in-rush currents can create power unbalances....

02 February 2020 713 4 View

How swing source voltage angle can be negative?

Good afternoon, I have performed a load flow on Simscape tutorial model power_3phseriescomp. I note that after LF source voltage angle is slightly negative – see attachment. My understanding...

10 March 2019 5,974 3 View

Fundamentals of Current and Voltage control loops for inverters?

Good morning, I am currently studying the fundamentals of hierarchical control in microgrids. I know the role of current and voltage loops in the overal structure but I am experiencing some...

30 April 2018 7,252 10 View

Differences between VSI and CSI converter operation modes.?

Hi - I need to work further on VSI and CSI operation modes to better understand the difference between "grid following" and "grid forming" scenarios for converters. I would appreciate that...

12 April 2018 3,168 7 View

Are you disoriented by ChatGPT as well?

Good morning all, I have just been trying ChatGPT to provide with some technical support for my PhD on grid- forming inverters in MG. I find that while of its responses may be valuable, it has a...

01 January 1970 600 2 View