A Distribution Static Synchronous Compensator Application to Mitigate Voltage Variation for Distribution Feeders
Abstract
:1. Introduction
- Most PV inverters and non-utility-owned equipment, cannot provide the utility demand of operational reliability;
- The customer-owned inverters could not establish communication or coordination with the utility control system;
- The solar inverters lacked adequate capacity (inverter capacity/solar panel capacity < 1.0) to resolve the power quality problems fully;
- The effectiveness of mitigating issues on the feeder is limited due to the fixed placement of inverters within the solar plant;
- The utility could not ensure accurate inverter configurations. In practical applications, solar inverters exhibit significant inconsistencies, ranging from variations in sizing, settings, and the quality of implementation.
- (1)
- Integration of the DMMS and DAS databases with the real-time data from RETUs to improve the impact analysis on distribution feeders with high penetration of PV systems;
- (2)
- Automatic generation of the distribution feeder configuration by retrieving Taipower’s DMMS to support the impact analysis of PV integration;
- (3)
- Derivation of the Volt/VAR control mode of a DSTATCOM before executing load transfer between the interconnected feeders.
2. Distributed Energy Resources Management System
2.1. Feeder Network Topology
2.2. Renewable Energy Terminal Units
2.3. Hosting Capacity Analysis of Renewable Energy
2.4. Coordinated Control of the DERMS and Distribution Automation System
3. Control Algorithms of DSTATCOM
3.1. Volt/VAR Mode
3.2. Feeder Power Factor Mode
3.3. Feeder Reactive Power Mode
4. Case Studies
4.1. Hosting Capacity Analysis
4.2. Voltage Regulation Simulation
5. Discussion
6. Conclusions and Future Work
- (1)
- This study develops a DERMS to provide more effective control of a DSTATCOM that can help substantially increase hosting capacity and mitigate overvoltage problems with existing feeders;
- (2)
- A Taipower feeder is selected for computer simulation. The DSTATCOM is employed at the test feeder to demonstrate the effectiveness of the DSTATCOM in improving the overvoltage problems. This result shows the high-performance voltage regulation capability of the DSTATCOM solution. The high voltage and voltage deviation issues are clearly resolved.
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
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Ku, T.-T.; Lin, C.-H.; Chen, C.-S.; Lee, Y.-D.; Jiang, J.-L.; Tzeng, S.-J.; Chan, C.-M. A Distribution Static Synchronous Compensator Application to Mitigate Voltage Variation for Distribution Feeders. Sustainability 2023, 15, 11618. https://0-doi-org.brum.beds.ac.uk/10.3390/su151511618
Ku T-T, Lin C-H, Chen C-S, Lee Y-D, Jiang J-L, Tzeng S-J, Chan C-M. A Distribution Static Synchronous Compensator Application to Mitigate Voltage Variation for Distribution Feeders. Sustainability. 2023; 15(15):11618. https://0-doi-org.brum.beds.ac.uk/10.3390/su151511618
Chicago/Turabian StyleKu, Te-Tien, Chia-Hung Lin, Chao-Shun Chen, Yih-Der Lee, Jheng-Lun Jiang, Sing-Jia Tzeng, and Chen-Min Chan. 2023. "A Distribution Static Synchronous Compensator Application to Mitigate Voltage Variation for Distribution Feeders" Sustainability 15, no. 15: 11618. https://0-doi-org.brum.beds.ac.uk/10.3390/su151511618