Optimal Decision-Making of Start-Up Sequence for Units to be Started during Extended Black-Start Strategy

doi:10.11985/2016.09.004

Abstract

Abstract:

In order to determine the units' start-up sequence during extended black-start strategy, in this paper,the factors that affect start-up sequence were fully considered from the perspective of whole recovery process firstly, the qualitative factors were quantified by triangular fuzzy numbers and a fuzzy multi-attribute group decision model was established; then the comprehensive weight of expert was calculated by integrating individual authority and the consistency of individual decision information with expert group decision information, the fuzzy multi-attribute group decision making problem for units' start-up was transformed into fuzzy multi-attribute decision problem by integrating all expert decision information; on this basis, the TOPSIS based on triangular fuzzy number was proposed to determine the optimal start-up sequence. The test results on the New England 10-unit 39-bus power system indicated that units' start-up sequence during extended black-start can be optimized effectively by the proposed method, it could provide scientific and reasonable auxiliary information for dispatchers to make decisions.

Key words: Massive outage, extended black-start, unit restoration, fuzzy multi-attribute group decision making, triangular fuzzy number

CLC Number:

TM76

Dajiang Wang,Jingbo Zhao,Xueping Gu,Jinghua Jia. Optimal Decision-Making of Start-Up Sequence for Units to be Started during Extended Black-Start Strategy[J]. Journal of Electrical Engineering, 2016, 11(9): 25-34.

Figures/Tables 12

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References 31

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机组编号	PG/MW	Pcr/MW	KP/(MW/h)	PM/ MW	ST/ MV·A
34	300	15.00	179.64	4.5	25
35	250	12.50	149.70	4.0	25
36	330	16.50	120.00	5.0	25

机组	路径指标	容量 /MW	机组状态	启动功率 /MW	升负荷率 /(MW/h)	电压下降 /pu	频率跌落 /Hz	功率振荡
34	3	300	热态	15.00	179.64	0.1	0.4	1.45
35	6	250	温态	12.50	149.70	0.11	0.34	1.92
36	5	330	极热态	16.50	120.00	0.09	0.44	1.00

wij(ek)	w11	w12	w13	w14	w15	w16	w17	w18
e1	0.366 7	0.368	0.366 9	0.366 7	0.366 7	0.366 7	0366 7	0.366 7
e2	0.315 3	0.315	0.315 5	0.316 7	0.315 5	0.316 7	0.316 7	0.316 7
e3	0.318 0	0.317	0.317 6	0.316 7	0.317 8	0.316 7	0.316 7	0.316 7

wij(ek)	w11	w12	w13	w14	w15	w16	w17	w18
e1	0.366 7	0.367 7	0.366 9	0.366 7	0.366 7	0.366 7	0.366 7	0.366 7
e2	0.316 0	0.315 3	0.315 8	0.316 7	0.315 7	0.316 7	0.316 7	0.316 7
e3	0.317 3	0.316 9	0.317 3	0.316 7	0.317 6	0.316 7	0.316 7	0.316 7

wij(ek)	w11	w12	w13	w14	w15	w16	w17	w18
e1	0.366 7	0.368 1	0.366 9	0.366 7	0.366 7	0.366 7	0366 7	0.366 7
e2	0.315 9	0.314 9	0.315 2	0.316 7	0.315 9	0.316 7	0.316 7	0.316 7
e3	0.317 5	0.317 0	0.318 0	0.316 7	0.317 4	0.316 7	0.316 7	0.316 7