Active Power Control of PV-Battery Connected MMC-HVDC System for FRT Support
Source abstract
Abstract
Modular multilevel converter (MMC)-based VSC system has become attractive around the world for renewable energy integration. Instead of a dynamic braking resistor, this work proposes an active power reduction technique for PV systems to support the fault ride through (FRT) of the MMC-HVDC system. In addition, it develops a battery control strategy to improve transient performance during solar radiation and temperature change due to partial shading of the PV panels. Besides, a control technique for the battery to regulate the surplus energy in the HVDC transmission network is developed. Furthermore, the proposed control scheme optimally integrates solar energy using the modified incremental conductance method. A feedforward controller was employed to create a standalone AC grid. The complete system has been implemented in real-time digital simulation (RTDS). The results confirm the efficacy of active power reduction technique to protect the HVDC link voltage and battery control strategy for the improvement of transient performance during the irradiance and temperature changes. Besides, it improves the low voltage ride-through capability during balanced and unbalanced disturbances at the point of common coupling.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: HVDC Systems and Fault Protection · High-Voltage Power Transmission Systems · Microgrid Control and Optimization
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Electrical Engineering Department, King Fahd University of Petroleum & Minerals, Dhahran 31216, Saudi Arabia
K.A. CARE, Energy Research & Innovation Center (ERIC), Dhahran 31216, Saudi Arabia
Funding
King Fahd University of Petroleum and Minerals
References (47)
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