STATCOM Application for Grid Dynamic Voltage Regulation: A Kenyan Case Study

Opana, Samwel; Charles, Julius Kilonzi; Nabaala, Amos

doi:10.1109/powerafrica49420.2020.9219888

Cited by 3 publications

(2 citation statements)

References 5 publications

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“…So-called static compensation means that the compensation capacitor does not follow the fluctuations of reactive power and real-time tracking and cutting, and the general delay is more than 40 s. Dynamic compensation involves the compensation capacitor casting in order to follow the load of reactive power changes; the process, from the detection of the signal to the execution of the casting, is completed within 10-20 ms. Reasonable planning of the location, the selection of the device types according to different device characteristics, and the determination of the installation capacity are necessary prerequisites for dynamic reactive power compensation devices, ensuring that the reactive power compensation effect is fully realized [2].…”

Section: Introductionmentioning

confidence: 99%

A Differentiated Dynamic Reactive Power Compensation Scheme for the Suppression of Transient Voltage Dips in Distribution Systems

Dang,

Tang,

Wang

et al. 2023

Sustainability

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At present, with the construction of new power systems, the uncertainty of the system is increasing and the transient voltage stability of the power grid is becoming more and more complicated. For this reason, this paper proposes a differentiated dynamic reactive power compensation configuration method for suppressing transient voltage dip instability. The method first establishes a dynamic reactive power device configuration indicator system based on multiple-two-element notation, and then establishes a differentiated dynamic reactive power compensation device configuration model based on the node instability risk characteristics. The model takes the investment cost and suppression effect as the optimization objectives, and flexibly adjusts the optimization weights of its cost and suppression effect according to the high or low risk of the transient voltage instability of the compensation node, so as to realize the differentiated dynamic reactive power compensation. Compared with traditional compensation methods, differentiated compensation can significantly improve the economic benefits of reactive power compensation configuration. Finally, taking the IEEE39 node test system as an example, the improved TLBO algorithm is used to solve the model. The cost of differentiated compensation is reduced by 22.13%, with a similar suppression effect, which verifies the validity of the method proposed in this paper.

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Section: Introductionmentioning

confidence: 99%

A Differentiated Dynamic Reactive Power Compensation Scheme for the Suppression of Transient Voltage Dips in Distribution Systems

Dang,

Tang,

Wang

et al. 2023

Sustainability

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“…To address this situation, TSOs require expansion plans to establish measures to fulfill the demand projections while maintaining power quality parameters. In these future network requirements, besides planning the renewal or the addition of power plants, it is also mandatory to consider the grid's reinforcement to make sure that the network can transfer this new generation without compromising the power system stability [1], [2], [3].…”

Section: Introductionmentioning

confidence: 99%

QV Analysis for the Identification of Vulnerable Zones to Voltage Collapse: A Study Case

Pereira¹,

Rosés²,

Giménez³

2023

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Radial High-Voltage networks have problems ensuring voltage stability when a fault occurs. Among preventive actions for these events, installing reactive power compensation in the most vulnerable zones to voltage instability is an economical and simple alternative. Previous works have used the QV curves methodology based on contingency power flows to identify such zones. However, this method has been criticized because it does not consider the dynamical effect of some network elements that depend on the voltage levels, especially in contingency scenarios. This article proposes a QV curve analysis based on the operating point resulting from dynamic simulations to amend this critique. To evaluate the proposed procedure, the model of the Patagonian High-Voltage Network in southern Argentina is used through the PSS/E software with the help of the Python programming language. The results detect the most vulnerable areas to voltage instability after a fault occurs and the reactive power necessary to maintain voltage levels in an acceptable operating range. The proposed methodology can be applied to other networks. For example, it can be used in the Latin-American context to assess future network expansions, especially on those linking countries, such as Ecuador with Perú or Colombia, or even the Centro American Interconnected System.

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An Advanced Voltage Regulation Strategy for the Meshed Distribution Networks with Soft Normally-Open Point

Zhang

Zhou

Zang

et al. 2022

2022 IEEE Energy Conversion Congress and Exposition (ECCE)

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STATCOM Application for Grid Dynamic Voltage Regulation: A Kenyan Case Study

Cited by 3 publications

References 5 publications

A Differentiated Dynamic Reactive Power Compensation Scheme for the Suppression of Transient Voltage Dips in Distribution Systems

A Differentiated Dynamic Reactive Power Compensation Scheme for the Suppression of Transient Voltage Dips in Distribution Systems

QV Analysis for the Identification of Vulnerable Zones to Voltage Collapse: A Study Case

An Advanced Voltage Regulation Strategy for the Meshed Distribution Networks with Soft Normally-Open Point

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