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# Electric Double-Layer Capacitor(EDLC) Simulink Model using MATLAB

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Electric Double-Layer Capacitor(EDLC) Simulink Model using MATLAB

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### Electric Double-Layer Capacitor(EDLC) Simulink Model using MATLAB

2. 2. Contents 1. Benefit of the Model 2. Model Feature 3. Simulink Model of Electric Double-Layer Capacitor (ELDC) 4. Concept of the Model 5. Pin Configurations 6. Electric Double-Layer Capacitor (ELDC) Specification (Example) 6.1.1 Charge Time Characteristic (Simulation Circuit) 6.1.2 Charge Time Characteristic (Simulation Waveform) 6.1.3 Charge Time Characteristic (Simulation Settings) 6.2.1 Discharge Time Characteristic (Simulation Circuit) 6.2.2 Discharge Time Characteristic (Simulation Waveform) 6.2.3 Discharge Time Characteristic (Simulation Settings) 7. Port Specifications Simulation Index 2All Rights Reserved Copyright (C) Siam Bee Technologies 2015
3. 3. 1. Benefit of the Model • The model enables circuit designer to predict and optimize Electric Double-Layer Capacitor (EDLC) runtime and circuit performance. • The model can be easily adjusted to your own EDLC specifications by editing a few parameters that are provided in the datasheet. • The model is optimized to reduce the convergence error and the simulation time 3All Rights Reserved Copyright (C) Siam Bee Technologies 2015
4. 4. • This Electric Double-Layer Capacitor (ELDC) Simplified Simulink Model is for users who require the model of a Capacitor as a part of their system. • Capacitor Voltage(VCAP) vs. Time (s) Characteristic, that can perform Capacitor charge and discharge time at various current rate conditions, are accounted by the model. 2. Model Feature 4 Simplified Equivalent Circuit Model All Rights Reserved Copyright (C) Siam Bee Technologies 2015
5. 5. 2 MINUS 1 PLUS 3. Simulink Model of Electric Double-Layer Capacitor (ELDC) 5 Equivalent Circuit of Electric Double-Layer Capacitor Model using Matlab All Rights Reserved Copyright (C) Siam Bee Technologies 2015
6. 6. 4. Concept of the Model 6 Electric Double-Layer Capacitor Simplified Simulink Model [Spec: VRATE, CAP, ESR, TSCALE] Adjustable VINT : 0 - VRATE : VINTVRATE + - • The model is characterized by parameters: “VRATE, CAP”, which represent the Capacity and “VINT” which represent the initial capacity level. Output Characteristics All Rights Reserved Copyright (C) Bee Technologies Corporation 2015All Rights Reserved Copyright (C) Siam Bee Technologies 2015
7. 7. 5. Pin Configurations CAP (F) is the capacitance at rated voltage [Farad] – e.g. CAP = 0.1, 0.47, or 10 [Farad] VRATE is the rated dc voltage of capacitor [V] – e.g. VRATE= 2.5, 4.2 or 5.5 [V] VINT is the initial voltage [V] – VINT  VRATE ESR is the equivalent series resistance of capacitors – e.g. ESR = 0.1m, 1m, or 10m [] TSCALE turns TSCALE seconds into a second – e.g. TSCALE=60 turns 60s or 1min into a second TSCALE=3600 turns 3600s or 1h into a second • From the Electric Double-Layer Capacitor specification, the model is characterized by setting parameters VRATE, VINT, CAP (F), ESR and TSCALE 7 Model Parameters: All Rights Reserved Copyright (C) Bee Technologies Corporation 2015All Rights Reserved Copyright (C) Siam Bee Technologies 2015
8. 8. 6. Electric Double-Layer Capacitor (ELDC) Specification (Example) 8 Rated dc voltage 4.2V DC capacitance 0.47F ESR 0.13 All Rights Reserved Copyright (C) Bee Technologies Corporation 2015 Table 1EDLC Model is characterized by VRATE, VINT, CAP (F), ESR TSCALE set to “1” All Rights Reserved Copyright (C) Siam Bee Technologies 2015