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Energies 2016, 9(10), 810; doi:10.3390/en9100810

Operation Modeling of Power Systems Integrated with Large-Scale New Energy Power Sources

1
State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Changping District, Beijing 102206, China
2
School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
3
State Power Economic Research Institute, Changping District, Beijing 102209, China
*
Author to whom correspondence should be addressed.
Academic Editor: Paolo Mercorelli
Received: 2 August 2016 / Revised: 20 September 2016 / Accepted: 30 September 2016 / Published: 11 October 2016
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Abstract

In the most current methods of probabilistic power system production simulation, the output characteristics of new energy power generation (NEPG) has not been comprehensively considered. In this paper, the power output characteristics of wind power generation and photovoltaic power generation are firstly analyzed based on statistical methods according to their historical operating data. Then the characteristic indexes and the filtering principle of the NEPG historical output scenarios are introduced with the confidence level, and the calculation model of NEPG’s credible capacity is proposed. Based on this, taking the minimum production costs or the best energy-saving and emission-reduction effect as the optimization objective, the power system operation model with large-scale integration of new energy power generation (NEPG) is established considering the power balance, the electricity balance and the peak balance. Besides, the constraints of the operating characteristics of different power generation types, the maintenance schedule, the load reservation, the emergency reservation, the water abandonment and the transmitting capacity between different areas are also considered. With the proposed power system operation model, the operation simulations are carried out based on the actual Northwest power grid of China, which resolves the new energy power accommodations considering different system operating conditions. The simulation results well verify the validity of the proposed power system operation model in the accommodation analysis for the power system which is penetrated with large scale NEPG. View Full-Text
Keywords: new energy power generation (NEPG); power output scenario; power system operation model; coordinative optimization new energy power generation (NEPG); power output scenario; power system operation model; coordinative optimization
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Li, H.; Li, G.; Wu, Y.; Wang, Z.; Wang, J. Operation Modeling of Power Systems Integrated with Large-Scale New Energy Power Sources. Energies 2016, 9, 810.

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