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In this paper, we give an algorithm for inverting a k-pentadiagonal matrix and the algorithm is appropriate for implementation using computer algebra systems. And the computational cost of the algorithm is O (n2). Two illustrative examples are introduced.
In this paper, the concept of Energy Hub was introduced to capture the coupling between multiple energy forms such as electricity, gas, heat and cooling in an Integrated Energy Systems (IESs). The reliability model for Energy Hubs was established based on a Smart Agent Communication (SAC) algorithm. In the model, the energy conversion efficiency, failure rate and repair time for various energy supply...
As photovoltaic (PV) integration increases in distribution systems, an effective way of assessing the maximum allowable PV integration capacity is urgently needed. In this paper, a new method is proposed to evaluate the maximum PV integration capacity with AC power flow limits, and the effect of topology reconfiguration on PV integration is also considered. In addition, the single commodity flow constraint...
Evaluating power system reserve capacity is an important procedure to analyze the middle and long electric power balance. This paper proposes a method, which considers load forecast error and wind power forecast error, to calculate reserve capacity in the timescale of month. Outage replacement rate(ORR) is used in this method to replace the traditional FOR. Commitment risk is applied in this method...
This paper proposes a new methodology to evaluate the system operational reserve. Based on the idea of the chronological Monte Carlo, the minute basis evaluation model takes into consideration the three levels of control reserve with varying activation timeline. The proposed method calculates the probability density distributions for needed primary and secondary control reserve. Other reliability...
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