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Digital-physical hybrid real-time simulation is considered to be an advanced method for future power system simulation. However, the physical interface will inevitably exist DC component, which causes negative effects on practical applications, such as degradation of simulation performance, damage to physical equipment, etc. A novel DC component elimination control strategy for the digital-physical...
Digital-analog hybrid simulation method combines the advantages of both real-time digital simulation and physical simulation, and will be an effective means for the simulation and analysis of future power system. However, the ideal transformer model (ITM), as the most widely used interface algorithm, is easy to encounter instability issues. A novel impedance compensation algorithm based on ITM is...
With the increase of wind power propotion, votage stability issues of wind power must be researched. After establishing the mathematical model of the doubly fed induction generator, combined with the practical mathematical model of zhanjiang in guangdong province,the influnce on static voltage stability of system connected with wind power was simulated and researched. The results show that grid integration...
The article elaborates the condition of wind farm in power system and analyzes the influence to voltage stability caused by wind farm. The article studies voltage stability of Zhanjiang power system with wind farms and based on actual system models and wind farm model, and analyzes the reason for the influence caused by wind farm to the power system based on voltage curves. Then the article gives...
The excitation control systems of large synchronous generators have a great impact on both the static stability and dynamic stability of power systems. This paper mainly focuses on the influence of elevating excitation system ceiling voltage ratio (ESCVR) towards system's transient stability by simulation works. Examples show that increasing ESCVR of a generator would be able to improve the transient...
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