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Frontiers in Energy

ISSN 2095-1701

ISSN 2095-1698(Online)

CN 11-6017/TK

邮发代号 80-972

2019 Impact Factor: 2.657

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Frontiers in Energy  2016, Vol. 10 Issue (2): 240-248   https://doi.org/10.1007/s11708-016-0404-z
  本期目录
An approach to locational marginal price based zonal congestion management in deregulated electricity market
Md SARWAR(),Anwar Shahzad SIDDIQUI
Department of Electrical Engineering, Jamia Millia Islamia (A Central University), New Delhi 110025, India
 全文: PDF(570 KB)   HTML
Abstract：

Congestion of transmission line is a vital issue and its management pose a technical challenge in power system deregulation. Congestion occurs in deregulated electricity market when transmission capacity is not sufficient to simultaneously accommodate all constraints of power transmission through a line. Therefore, to manage congestion, a locational marginal price (LMP) based zonal congestion management approach in a deregulated electricity market has been proposed in this paper. As LMP is an economic indicator and its difference between two buses across a transmission line provides the measure of the degree of congestion, therefore, it is efficiently and reliably used in deregulated electricity market for congestion management. This paper utilizes the difference of LMP across a transmission line to categorize various congestion zones in the system. After the identification of congestion zones, distributed generation is optimally placed in most congestion sensitive zones using LMP difference in order to manage congestion. The performance of the proposed methodology has been tested on the IEEE 14-bus system and IEEE 57-bus system.
Key words： locational marginal price (LMP)    distributed generation    pool market    deregulated electricity market    congestion management
收稿日期: 2015-08-14      出版日期: 2016-05-27
Corresponding Author(s): Md SARWAR   
 引用本文:   
. [J]. Frontiers in Energy, 2016, 10(2): 240-248.
Md SARWAR,Anwar Shahzad SIDDIQUI. An approach to locational marginal price based zonal congestion management in deregulated electricity market. Front. Energy, 2016, 10(2): 240-248.
 链接本文:  
https://academic.hep.com.cn/fie/CN/10.1007/s11708-016-0404-z
https://academic.hep.com.cn/fie/CN/Y2016/V10/I2/240
Line No. From bus to bus LMP difference/($•MWh–1) Line No. From bus to bus LMP difference/($•MWh–1)
1 1–2 11.5 11 6–11 1.0
2 1–5 12.5 12 6–12 0.6
3 2–3 16.7 13 6–13 0.9
4 2–4 3.7 14 7–8 0.0
5 2–5 1.0 15 7–9 0.1
6 3–4 13.0 16 9–10 0.1
7 4–5 2.6 17 9–14 0.3
8 4–7 0.2 18 10–11 0.8
9 4–9 0.3 19 12–13 0.3
10 5–6 0.4 20 13–14 1.3
Tab.1  
Congestion zones Bus No.
Zone 1 1, 2, 3, 4, and 5
Zone 2 6, 7, 8, 9, 10, 11, 12, 13, and 14
Tab.2  
Fig.1  
DG location System generation cost/($•h–1) System congestion cost/($•h–1)
Without DG 6353.65 2116.84
Bus 4 6193.58 2071.95
Tab.3  
Congestion zones DG location System generation cost/($•h–1)
Zone 1 Bus 4 6173.58
Zone 1 Bus 5 6192.82
Zone 2 Bus 14 6197.10
Tab.4  
Fig.2  
Line No. From bus to bus LMP difference/($•MWh–1) Line No. From bus to bus LMP difference/($•MWh–1) Line No. From bus to bus LMP difference/($•MWh–1)
1 1–2 0.55 28 14–15 1.08 55 41–42 2.63
2 2–3 3.04 29 18–19 2.32 56 41–43 0.3
3 3–4 1.16 30 19–20 0.56 57 38–44 0.75
4 4–5 1.35 31 21–20 0.2 58 15–45 0.46
5 4–6 1.63 32 21–22 0.03 59 14–46 0.21
6 6–7 8.09 33 22–23 0.27 60 46–47 1.11
7 6–8 8.79 34 23–24 3.5 61 47–48 0.33
8 8–9 4.36 35 24–25 0.39 62 48–49 0.41
9 9–10 3.26 36 24–25 0.39 63 49–50 0.59
10 9–11 2 37 24–26 0.64 64 50–51 1.62
11 9–12 4.83 38 26–27 1.29 65 10–51 0.09
12 9–13 3.1 39 27–28 0.14 66 13–49 1.09
13 13–14 0.15 40 28–29 0.35 67 29–52 0.16
14 13–15 1.23 41 7–29 1.42 68 52–53 0.3
15 1–15 3.83 42 25–30 1.03 69 53–54 4.78
16 1–16 5.37 43 30–31 1.22 70 54–55 4.98
17 1–17 21.58 44 31–32 1.87 71 11–43 0.1
18 3–15 0.25 45 32–33 0.18 72 44–45 2.28
19 4–18 0.06 46 33–32 1.35 73 40–56 0.9
20 4–18 0.06 47 32–35 0.52 74 56–41 3.78
21 5–6 0.29 48 35–36 0.7 75 56–42 1.15
22 7–8 16.88 49 36–37 0.48 76 39–57 0.27
23 10–12 1.57 50 37–38 1.24 77 57–56 0.75
24 11–13 1.1 51 37–39 0.07 78 38–49 1.18
25 12–13 1.73 52 36–40 0.01 79 38–48 0.77
26 12–16 1.42 53 22–38 0.53 80 9–55 1.19
27 12–17 14.8 54 11–41 0.41
Tab.5  
Congestion zones Bus No.
Zone 1 1, 12, 13,14, 15, 16, 17, 44, and 45
Zone 2 6, 7, 8, 9, 52, 53, 54, and 55
Zone 3 2, 3, 4, 5, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, and 29
Zone 4 10, 11, 30,31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 46, 47, 48, 49, 50, 51, 56, and 57
Tab.6  
Fig.3  
DG location System generation cost/($•h–1) System congestion cost/($•h–1)
Without DG 41920.8 4610.11
Bus 17 41638.6 3584.39
Tab.7  
Congestion zones DG location System generation cost/($•h–1)
Zone 1 Bus 17 41638.56
Zone 2 Bus 7 41665.97
Zone 3 Bus 23 41670.85
Zone 4 Bus 56 41671.9
Tab.8  
Fig.4  
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