PVMD Delft University of Technology Learning objective 1. Maximum - PowerPoint PPT Presentation

Feb 07, 2024 •427 likes •603 views

Indirect MPPT Methods Ravi Vasudevan PVMD Delft University of Technology Learning objective 1. Maximum Power Point Tracking 1. Introduction to MPPT 2. Indirect Methods 3. Perturb and Observe 4. Incremental Conductance 5. Cost and

Indirect MPPT Methods Ravi Vasudevan PVMD Delft University of Technology
Learning objective 1. Maximum Power Point Tracking 1. Introduction to MPPT 2. Indirect Methods 3. Perturb and Observe 4. Incremental Conductance 5. Cost and Overview 2. Cables 3. Batteries 1. Introduction to Batteries 2. Characteristics of Batteries 3. Charge Controller
How to Power-Point Track I P P MPP Current [A] Power [W] I SC I MPP MPP Voltage [V] V MPP V OC V
Using control logic with an MPPT V PV Input MPPT Logic
MPPT Techniques MPP Tracking
MPPT Techniques Indirect MPP Tracking Direct
MPPT Techniques Indirect MPP Tracking Direct
MPPT Techniques Indirect MPP Tracking
Constant Voltage Method Using the specs of the PV array, apply the voltage that gets the MPP •
Constant Voltage Method Using the specs of the PV array, apply the voltage that gets the MPP • Still need a control in place for different load conditions •
Constant Voltage Method Using the specs of the PV array, apply the voltage that gets the MPP • Still need a control in place for different load conditions • V PV (n) V PV (n+1) CV Algorithm
Changing MPP with Irradiance I Current [A] 1000 W/m 2 800 W/m 2 600 W/m 2 400 W/m 2 MPPs 200 W/m 2 Voltage [V] V
Fractional Open Voltage Method V MPP is a distinct fraction of the V OC • Typical values are from 70-80% •
Fractional Open Voltage Method V MPP is a distinct fraction of the V OC • Typical values are from 70-80% • V PV (n) V PV (n+1) OV Algorithm (fraction is hard-coded) V OC
Short Current Pulse Method Similar to open voltage issue, except with current • Typical values are 92% •
Short Current Pulse Method Similar to open voltage issue, except with current • Typical values are 92% • V PV (n) I PV (n) V PV (n+1) SC Algorithm (fraction is hard-coded) I SC

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