Study of Priority Scheduling Evaluation Model for Intermittent Energy

doi:10.11985/2017.12.007

Abstract

Abstract:

With the rapid development of wind power, photovoltaic and other intermittent energy, new energy consumption is more and more difficult. In the paper, the wind power is taken as the representative to lock the bottleneck of wind power consumption in the short-term scheduling process from the perspective of forecast-scheduling joint operation. The wind power grid scheduling evaluation model is established, and the moment estimation optimization algorithm is used to allocation weights, and make the reasonable distribution of the new energy power plants’ limited capacity share. This method promotes the safe and stable operation of the network, while ensuring the fair scheduling of new energy power plants. It is a positive guidance to improve the operation technology of intermittent power station.

Key words: Intermittent energy, scheduling sequential, grid-connected performance, weighted moment estimation, evaluation

CLC Number:

TM734

Xu Bin,Jin Longyun,Zhang Jiquan,Yue Jingpeng. Study of Priority Scheduling Evaluation Model for Intermittent Energy[J]. Journal of Electrical Engineering, 2017, 12(12): 45-51.

Figures/Tables 9

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间歇性能源电站	A	B	C	D	F
预测准确率(%)	96	93	91	89	92
预测合格率(%)	83	91	94	96	95
预测上报率(%)	99	98	99	99	97
昨日限电量/MW	36	28	19	56	34
月累计限电量/MW	259	121	142	80	241
计划完成率(%)	89	92	94	88	86
有功控制能力	1	0	1	1	1
无功控制能力	0	1	0	1	0
低电压穿越能力	1	0	1	0	1

评价指标	权重
预测准确率(%)	27.03
预测合格率(%)	9.38
预测上报率(%)	8.52
昨日限电量(%)	9.33
月累计限电量(%)	8.78
计划完成率(%)	8.54
有功控制能力(%)	8.46
无功控制能力(%)	11.43
低电压穿越能力(%)	8.48

间歇性能源电站	装机容量 /MW	并网性能考核得分	限电基准容量/MW	限电分配结果/MW	占限电基准容量比例(%)	占装机容量比例(%)
A	200	92.81	181.12	15.33	8.46	7.67
B	300	74.55	338.22	28.63	8.46	9.54
C	260	81.06	269.58	22.82	8.46	8.78
D	200	81.16	207.12	17.53	8.46	8.77
F	200	90.66	185.41	15.69	8.46	7.85

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