三角洲
三角洲
삼각주
DELTA
2014年
3期
99-102
,共4页
谐波状态估计%相量量测%混合量测%量测配置%牛顿迭代法
諧波狀態估計%相量量測%混閤量測%量測配置%牛頓迭代法
해파상태고계%상량량측%혼합량측%량측배치%우돈질대법
Harmonic State Estimation%Phasor Measurement%Mixed Measurement%Measurement Configuration%Newton Iteration Algorithm
谐波状态估计为电力系统的谐波监控、抑制和治理提供了依据。在同步相量量测装置配置不可观的条件下，引入数据采集与监控系统量测到的谐波有功功率作为量测量，建立基于混合量测的非线性谐波状态估计的灵敏度数学模型，应用牛顿迭代法进行求解。算例分析表明，谐波状态估计的灵敏度数学模型和牛顿迭代法求解有效，混合量测数据能提高系统谐波状态估计的精度。
諧波狀態估計為電力繫統的諧波鑑控、抑製和治理提供瞭依據。在同步相量量測裝置配置不可觀的條件下，引入數據採集與鑑控繫統量測到的諧波有功功率作為量測量，建立基于混閤量測的非線性諧波狀態估計的靈敏度數學模型，應用牛頓迭代法進行求解。算例分析錶明，諧波狀態估計的靈敏度數學模型和牛頓迭代法求解有效，混閤量測數據能提高繫統諧波狀態估計的精度。
해파상태고계위전력계통적해파감공、억제화치리제공료의거。재동보상량량측장치배치불가관적조건하，인입수거채집여감공계통량측도적해파유공공솔작위량측량，건립기우혼합량측적비선성해파상태고계적령민도수학모형，응용우돈질대법진행구해。산례분석표명，해파상태고계적령민도수학모형화우돈질대법구해유효，혼합량측수거능제고계통해파상태고계적정도。
Harmonic state estimation is a useful tool to provide reference for harmonic monitoring, suppression and treatment in power system. In condition of unobservable phasor measurement unit configuration, harmonic active power measured by supervisory control and data acquisition system is added as a kind of measurement for harmonic state estimation in this paper. The sensitivity model of non- linear harmonic state estimation based on mixed measurements is built. Then, it is solved by Newton iteration algorithm. From the experimental results, it can be concluded that both the sensitivity model and the Newton iteration algorithm applied in harmonic state estimation are efficient, mixed measurements are helpful to improve the accuracy of harmonic state estimation.
