How to control PV both current and voltage

Question

Pranav Pillai 2023-2-17

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回答： cookie ben 2023-3-1

I need to control both I and V of a PV ,by using a boost converter with PI.Im able to control only the voltage.How do i control both current and voltage.

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Sam Chak 2023-2-19

@Pranav Pillai, can you show the differential equations of the PV system?

By analyzing the equations, it maybe possible design a math equation for the control signal so that it transforms the existing PV system into a controllable system with the desired response.

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Answer 1

Darshan Pandit 2023-2-17

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You may do this via two cascaded control loops.

i) Outloop will have voltage control

ii) Inner loop will have current control.

Have a look at this example:

https://in.mathworks.com/help/sps/ug/solar-pv-system-maximum-power-point-tracking-using-boost-converter.html

Look into the following subsystem for your reference: ee_solar_boostconverter_maxpowerpoint/PV Control/Constant Voltage

there are many other examples likewise. I hope it helps.

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Pranav Pillai 2023-2-19

can you provide likes to other examples as well

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Answer 2

cookie ben 2023-3-1

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