A Distribution System Loss Allocation Approach based on a Modified DistFlow Model

Yang, Tianjun; Guo, Ye; Deng, Lin; Shu, Han; Shen, Xinwei; Sun, Hongbin

doi:10.1109/pesgm41954.2020.9281770

Cited by 10 publications

(11 citation statements)

References 12 publications

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“…To be multiplied (10) by Rij and ( 11) by Xij and by making use of the first assumption results to the following equation:…”

Section: Voltage Expression Of the Two-bus Distribution Systemmentioning

confidence: 99%

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Different Linear Power Flow Models for Radial Power Distribution Grids: A Comparison

Văn¹,

Duy²

2021

TNUJST

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Trong bài báo này, các phương pháp tính trào lưu công suất lưới điện phân phối được tóm tắt và so sánh. Các phương pháp được xem xét bao gồm cộng công suất, trào lưu công suất đơn giản hóa, trào lưu công suất cải biên và trào lưu công suất tuyến tính hóa. Trong đó, phương pháp cộng công suất có dạng phi tuyến và các phương pháp trào lưu công suất còn lại có dạng tuyến tính. Kết quả tính toán sử dụng các mô hình tuyến tính có sai số nhất định so với mô hình phi tuyến. Các phương pháp tính trào lưu công suất lưới phân phối được áp dụng cho lưới điện phân phối 6 nút để tính toán mô-đun điện áp nút và dòng công suất trên các nhánh. Các kết quả tính toán cho thấy mô hình trào lưu công suất cải biên có sai số nhỏ nhất so với các mô hình tuyến tính khác. Ngoài ra, các tác giả cũng chứng minh được rằng các công thức toán học của mô hình trào lưu công suất đơn giản hóa và trào lưu công suất tuyến tính hóa hoàn toàn giống nhau.

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“…To be multiplied (10) by Rij and ( 11) by Xij and by making use of the first assumption results to the following equation:…”

Section: Voltage Expression Of the Two-bus Distribution Systemmentioning

confidence: 99%

“…This second model is based on the bus injection approach and does not consider network losses when deriving the power flow formulas. A novel linear model is recently suggested in [5] and [10], called Modified DistFlow (MD). This model considers P/U and Q/U as state variables and does not neglect directly grid loss terms.…”

Section: Introductionmentioning

confidence: 99%

Different Linear Power Flow Models for Radial Power Distribution Grids: A Comparison

Văn¹,

Duy²

2021

TNUJST

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“…where P di,t and Q di,t represent the active power and reactive power of load in node i at stage t. In ( 9), the absolute value of complex power of load is regarded as the outflow current, so the current injections satisfy KCL; in (10), the voltage drop is the product of the absolute value of branch impedance and current, which satisfies KVL. This paper also takes fast decoupled linearized power flow model (FDLPF) as the comparison of LBF model [7].…”

Section: B Linearized Branch Flow Modelmentioning

confidence: 99%

“…points with the initial operating points in order to linearize ACPF model [9]. Cold-start models do not require the initial operating points, which means that the accuracy of cold-start models is worse than warm-start models [10]. In addition, different start models have different application situations.…”

Section: Introductionmentioning

confidence: 99%

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Accuracy and Application Scope Analysis for Linearized Branch Flow Model in Radial Distribution Systems

Lin¹,

Shen²,

Guo³

et al. 2021

Preprint

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An in-depth analysis of linearized branch flow (LBF) model considering current injection and absolute value of impedance is proposed in this paper. The form of LBF model is based on two equations: the current injection to meet KCL and the voltage drop to meet KVL. By representing the absolute value of complex load power with the current injection, LBF model is much simpler than alternating current power flow (ACPF) model. The results on theoretical analysis and numerical studies show that LBF exhibits the high accuracy in bus voltage magnitude but a poor performance in branch flow. Moreover, LBF is also compared with fast decoupled linearized power flow (FDLPF) model to verify its efficiency, thus proving its superiority for fast evaluation of large-scale distribution systems with high accuracy in voltage magnitude. Finally, this paper analyzes three factors to lower LBF's errors of branch flow, as well as LBF's possible application scope.

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Energy-Grade Double Pricing Rule in the Heating Market

Guo

Sun

2022

2022 IEEE 61st Conference on Decision and Control (CDC)

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A Distribution System Loss Allocation Approach based on a Modified DistFlow Model

Cited by 10 publications

References 12 publications

Different Linear Power Flow Models for Radial Power Distribution Grids: A Comparison

Different Linear Power Flow Models for Radial Power Distribution Grids: A Comparison

Accuracy and Application Scope Analysis for Linearized Branch Flow Model in Radial Distribution Systems

Energy-Grade Double Pricing Rule in the Heating Market

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