After applying the droop equations, I can find the load angle. I need three reference signals of the three phase voltage to use them in the inner control loop.
Can i say that V reference = E(from the droop equation) * sin (load angle)?
Bassem,
I may be of some help, if you can post the configuration that you are talking about.
-Sanjay
the inner control loop need an algorithm such as recursive least squares method to be programme and need to be telly such as for the algorithm parameter estimation method. the circuit the you want to control needs to be simplyfied to be the transfer function and finally should get the parameter and estimate it back to control the circuit . the reference signal should be random signal
Hi Bessam Saleh,
Here is a reference that will certainly help you in your research work :
Chung-Ching Chang, Member, IEEE, Dimitry Gorinevsky, Fellow, IEEE, and Sanjay Lall, Fellow, IEEE. Stability Analysis of Distributed Power Generation with Droop Inverters. IEEE TRANSACTIONS ON POWER SYSTEMS, 2015
In this paper the authors came to build a nonlinear dynamics of the system with multiple distributed droop inverters using dynamical phasors. Linearizing the system around the steadystate, they construct closed-loop transfer functions from exogenous disturbances to system states.
Good luck
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