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What are these blocks in the model power_3phseriescomp?

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Arif Hoq
Arif Hoq le 8 Nov 2022
Commenté : Arif Hoq le 9 Nov 2022
I am trying to design a Simulink model on 3 phase grid system. I have found this model in Mathworks. But I am confused about some block utilization.
Question 1: What are these blocks? are these just a simple RLC Load?
Question 2: What is the reason to use this block?
Question 3: What is the impact of these 3 blocks in the Simulation?

Réponses (1)

Pemendra Kumar Pardhi
Pemendra Kumar Pardhi le 8 Nov 2022
1. Ya it's simple RLC load. 2. These are used as active and inductive reactive power load. 3. With verying the reactive Power load, it effect the voltage of Bus at which load is MVAR load is connected.
  3 commentaires
Joel Van Sickel
Joel Van Sickel le 8 Nov 2022
question 2: those blocks are used because in power systems, loads are typically described by power levels. But in simulation, it's more effective to model those based on an equivalent RLC circuit. So you need those blocks to represent different loads on the grid. This could be a residential area, an industrial area, anything really. So those RLC load blocks are actually simple model representations of very large complex circuit networks attatched to the grid, but you don't have to simulate all of those details when you know how much power that complex circuit will draw.
3. the impact is that they serve to draw the appropriate amount of current at the approriate location of the network so that you are simulating what is happening in the real world. If you remove them, you simulate a system that has no loads.
Arif Hoq
Arif Hoq le 9 Nov 2022
Thank you very much. Could you please make it as an answer?

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