¹College of Electronic Engineering, Naval University of Engineering, Wuhan, China
²Department of Automation, Nanjing University of Science and Technology (NUST), Nanjing, China
  Beijing Key Laboratory of High-speed Transport Intelligent Diagnostic and Health Management, Beijing, China
  Beijing Aerospace Measure & Control Corp (AMC). Ltd, Beijing, China
³Beijing Key Laboratory of High-speed Transport Intelligent Diagnostic and Health Management, Beijing, China
 Beijing Aerospace Measure & Control Corp (AMC). Ltd, Beijing, China

---

Abstract—It proposed a single-exponential equivalent circuit model in order to predict the output power of geostationary satellite solar array. The key factors of the model are the short-circuit current ( I_sc ) , the open-circuit voltage(V_oc ) , the maximum power point current ( I_m ) and the maximum power point voltage( V_m ), which are used with corresponding coefficient to calculate the updated four parameters and I-V characteristics equation based on the new light intensity and temperature. Then, the power of various light intensity and temperature are calculated according to the provided voltage data, and a modified model is achieved by considering the attenuation factor. At last, this paper presents two experiments of the short-term and long-term solar array output power prediction. The comparison results of the predicted power and real power illustrate the prediction accuracy of 85%. Therefore, this power prediction model is sufficient for most engineering applications.

Index Terms—solar array; equivalent circuit model; attenuation factor; power prediction

[PDF]

Cite: Bing Chen, Hongzheng Fang, Haodong Ma, Huanzhen Fan, and Li Ai, "Output Power Prediction Method of GEO Satellite Solar Array Based-on the Modified Equivalent Circuit Model," Journal of Computers vol. 9, no. 10, pp. 2481-2487, 2014.