Virtual Synchronous Generator Based on Hybrid Energy Storage System for PV Power Fluctuation Mitigation
Abstract
:1. Introduction
2. Power Allocation and Control for HESS
Methods Comparison
3. Frequency Deviation Suppression Based on VSG
3.1. VSG Model and Control
3.2. Tuning VSG Parameter Based on BSA
4. Simulation Results and Discussion
4.1. PV Power Variation
4.2. Load Transient
4.3. Comparison between Constant and Tuning Parameters of VSG
4.3.1. PV Power Variation
4.3.2. Load Transient
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
Abbreviations
BESS | Battery Energy Storage System |
BSA | Backtracking Search Optimize Algorithm |
DC | Direct Current |
dq | Direct-quadrature |
ESS | Energy Storage Systems |
HESS | Hybrid Energy Storage Systems |
IGBT | insulated-Gate Bipolar Transistor |
LPF | Low-Pass Filter |
PI | Proportional Integral |
PLL | Phase Locked Loop |
PV | PhotoVoltaic |
PWM | Pulse Width Modulation |
SOC | State of Charge |
SG | Synchronous Generator |
VSG | Virtual Synchronous Generator |
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Energy Storage Systems | Energy Density | Power Density | Cycle Life | Response Time | Cost |
---|---|---|---|---|---|
Chemical battery | high | low | short | medium | low |
Sodium-Sulphur(Nas) Battery | medium | low | short | slow | medium |
flywheel | low | high | long | fast | high |
suppercapacitor | low | high | long | fast | medium |
SMES | medium | high | long | fast | high |
DGs | |
---|---|
Model | Kikusui PCR2000M |
Power Rating | 220 V, 50 Hz, 2 kVA |
P-Angle Droop Coefficient (m) | 2 (0.000185) |
Q-V Droop Coefficient (n) | 1/0.002592725 |
Loads | |
Variable Load | Load profile from MEA |
( = 1.5 kW) | |
PV Simulator | |
Model | Kikusui PCR2000M |
Simulate | Based PV profile (= 2.1 kW) |
Battery storage system | |
SOLAR 12-65 | 8 * (12 V 65 Ah) |
Supercapacitor storage system | |
Maxwell BMOD0165 | 3 * (165 F, 48 V, 53 Wh) |
VSG-Constant | |
J | 0.4863 |
D | 382 |
VSG-BSA | |
Population | 25 |
Epoch | 5 |
J | 0.51 |
D | 597 |
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Leng, D.; Polmai, S. Virtual Synchronous Generator Based on Hybrid Energy Storage System for PV Power Fluctuation Mitigation. Appl. Sci. 2019, 9, 5099. https://doi.org/10.3390/app9235099
Leng D, Polmai S. Virtual Synchronous Generator Based on Hybrid Energy Storage System for PV Power Fluctuation Mitigation. Applied Sciences. 2019; 9(23):5099. https://doi.org/10.3390/app9235099
Chicago/Turabian StyleLeng, Darith, and Sompob Polmai. 2019. "Virtual Synchronous Generator Based on Hybrid Energy Storage System for PV Power Fluctuation Mitigation" Applied Sciences 9, no. 23: 5099. https://doi.org/10.3390/app9235099
APA StyleLeng, D., & Polmai, S. (2019). Virtual Synchronous Generator Based on Hybrid Energy Storage System for PV Power Fluctuation Mitigation. Applied Sciences, 9(23), 5099. https://doi.org/10.3390/app9235099