Development of an SDBC-MMCC-Based DSTATCOM for Real-Time Single-Phase Load Compensation in Three-Phase Power Distribution Systems

Chang, W. Y.; Liao, Ching-Huan

doi:10.3390/en12244705

Cited by 6 publications

(5 citation statements)

References 20 publications

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“…Step V: 9.95 µF, 1.5 kvar, 2.2 A, 400 V The implemented MODBUS protocol was based on six callable functions, two of which were of particular interest: Function 03: "READ HOLDING REGISTERS" and Function 06: "PRESET SINGLE REGISTER", the first one for reading data and the second one for configuring the device for correction of the fault power [9,10].…”

Section: Power Factor Compensation Equipmentmentioning

confidence: 99%

“…Examples of addresses and what is read from them are given in Table 3. There are hundreds of addresses with possible readable values [9,10]. The device implementation monitors Line 1, but the commands are available for implementations with several devices.…”

Section: Power Factor Compensation Equipmentmentioning

confidence: 99%

“…Sensitive electronic equipment is particularly disturbed by the low power factor generated by unbalanced current. There are many authors that explored ways to reduce the extra costs generated by reactive power [6][7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

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Improving the Efficiency and Sustainability of Power Systems Using Distributed Power Factor Correction Methods

2020

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For the equipment connected to the three-phase or single-phase grid, the power factor represents an efficiency measure for the usage of electrical energy. The power factor improvement through correction methods reduces the load on the transformers and power conductors, leading to a reduction of losses in the mains power supply and a sustainable grid system. The implications at the financial level are also important. An example of load that generates a small power factor is represented by a motor without mechanical load or having a small mechanical load. Given the power factor correction (PFC), the costs are reduced through the elimination of penalties, applying only in the common coupling point (CCP). The advantages of using equipment for the power factor correction are related also to their long operation duration and the easiness of their installation. The device presented in this article takes advantage of the advances in information and communication technology (ICT) to create a new approach for telemetry and remote configuration of a PFC. This approach has flexibility and versatility, such that it can be adapted to many loads, easily changing the capacitance steps and settings of the power factor correction device.

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Section: Power Factor Compensation Equipmentmentioning

confidence: 99%

Section: Power Factor Compensation Equipmentmentioning

confidence: 99%

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Improving the Efficiency and Sustainability of Power Systems Using Distributed Power Factor Correction Methods

2020

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“…Similarly, a number of traditional solutions to (PQ) problems have been around for a long duration. However, these traditional methods rely on passive parts and do not always adapt appropriately to changes in the nature of a electrical power system [2].…”

Section: Introductionmentioning

confidence: 99%

An intelligent mitigation of disturbances in electrical power system using distribution static synchronous compensator

Alhattab

Alsammak²,

Mohammed³

2023

IJEECS

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The power quality of an electrical system is critical for industrial, commercial, and housing applications, and with the increasing use of sensitive loads, customers and utilities are beginning to pay more attention to it. A distribution static synchronous compensator (D-STATCOM) represents one of the best custom power devices (CPDs) for improving the power quality of a distribution system. The performance of this device relies upon the algorithm and strategy used for its control. Artificial intelligence was utilized to overcome these shortcomings, while a response optimizer tool was used for the tuning process. An adaptive controller design was also proposed, based on the integration of fuzzy logic with traditional proportional-integral (PI) controller. The fuzzy logic controller system was designed using the adaptive neuro fuzzy interference system (ANFIS) editor. In this work, a D-STATCOM controller was used to mitigate sag and swell problems, while the ANFIS together with the optimization method was used to improve the system response. This study was carried out using MATLAB/Simulink, and the results showed a superior and adaptive performance in mitigating voltage sag and swell problems at different loading conditions compared to the traditional PI.

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“…In [15], the authors have proposed a D-STATCOM to compensate the unbalanced conditions resulting in dc voltage oscillation via PR control. A PID control is employed for SDBC-MMC to compensate the single-phase load in a power distribution system for power factor correction [16]. The authors in [17], have presented a cascaded multi-level inverter-based D-STATCOM during grid transients and load alterations via PI control for reactive power compensation.…”

mentioning

confidence: 99%

Analysis of Fractional Order Sliding Mode Control in a D-STATCOM Integrated Power Distribution System

et al. 2021

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At present, the disturbances like the voltage fluctuations, resulting from the grid's complexities and unbalanced load conditions, create severe power quality concerns like total harmonic distortion (THD) and voltage unbalance factor (VUF) of the grid voltage. Though the custom power devices such as distribution-static compensators (D-STATCOMs) improve these power quality concerns, however, the accompanying controller plays the substantial role. Therefore, this paper proposes a fractional-order sliding mode control (FOSMC) for a D-STATCOM to compensate the low power distribution system by injecting/absorbing a specific extent of the reactive power under disturbances. FOSMC is a non-linear robust control in which the sliding surface is designed by using the Riemann-Liouville (RL) function and the chattering phenomenon is minimized by using the exponential reaching law. The stability of FOSMC is evidenced by employing the Lyapunov stability criteria. Moreover, the performance of the proposed FOSMC is further accessed while doing its parametric variations. The complete system is demonstrated with a model of 400V, 180kVA radial distributor along with D-STATCOM under two test scenarios in MATLAB/Simulink environment. The results of the proposed controller are compared with the fixed frequency sliding mode control (FFSMC) and conventional proportional-integral (PI) control. The results validate the superiority of the proposed controller in terms of rapid tracking, fast convergence, and overall damping with very low THD and VUF.

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Development of an SDBC-MMCC-Based DSTATCOM for Real-Time Single-Phase Load Compensation in Three-Phase Power Distribution Systems

Cited by 6 publications

References 20 publications

Improving the Efficiency and Sustainability of Power Systems Using Distributed Power Factor Correction Methods

Improving the Efficiency and Sustainability of Power Systems Using Distributed Power Factor Correction Methods

An intelligent mitigation of disturbances in electrical power system using distribution static synchronous compensator

Analysis of Fractional Order Sliding Mode Control in a D-STATCOM Integrated Power Distribution System

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