Power system
Studies on the Stability and Control of Yi-Feng TCSC Project
With the first phase 2×500MW and second phase 2×600MW generators,the Yi min power plant is Located in the Hulunbeier Meng of Inner Mangolid and connected to the Fengtun substation through 500kV double AC lines.At the end of eleventh five-years plan,the±500kV DC lines from the Hulunbeier Meng to Liaoning Province will be put into operation.In order [...]
Study on the Power System State Estimation Algorithm Considering PMU
The state estimation(SE) of the power system is an important component of the energy management system(EMS),the algorithm of SE is related to the speed and precision of calculating directly.GPS-based synchronous Phasor Measurement Unit (PMU) has brought profound impact on the state estimation of electrical power system, since it can measure the angle of voltage directly.This [...]
Analysis and Testing of Controller Based on INC-algorithm of Solar Power System
With the rapid development of our country’s economy, mobile communications plays a more and more important role in Chinese economic development. Power is the base of mobile communications. With the rapid development of the telecommunications industry, communications bureaus (or base stations) are more widely spread, a large number of Board Stations are located in areas [...]
Study on Small Signal Stability of Power System Containing Flexible Devices
Flexible AC Transmission Systems （FACTS） compatible with the existing power system and can be achieved on flexible control, effectively solve the current problems of power system development bottlenecks. In recent years, the problems of Small Signal Stability about power system which containing FACTS devices has attracted increasing attention to electricity workers in countries, and more [...]
An Improvement of Interpolating Window FFT Algorithm and Study on Phase Differende Correction Method
With many kinds of non-linear loads with power electronic devices in particular widely used in power system, power system harmonics pollution have become more serious. The impact of power quality of harmonics pollution has become a major public hazard, and extremely affects the security and economics of power system. Therefore, it is very necessary to [...]
Study on Small Signal Stability of Power System Containing Flexible Devices
Flexible AC Transmission Systems （FACTS） compatible with the existing power system and can be achieved on flexible control, effectively solve the current problems of power system development bottlenecks. In recent years, the problems of Small Signal Stability about power system which containing FACTS devices has attracted increasing attention to electricity workers in countries, and more [...]
An Improvement of Interpolating Window FFT Algorithm and Study on Phase Differende Correction Method
With many kinds of non-linear loads with power electronic devices in particular widely used in power system, power system harmonics pollution have become more serious. The impact of power quality of harmonics pollution has become a major public hazard, and extremely affects the security and economics of power system. Therefore, it is very necessary to [...]
GIS-based Planning and Management of Power Grid System
With the rapid growth of the national economy,the management level of the power industry has put forward higher requirements. The management of power grid information and geographic information system combination is an important direction of the development.In this paper, it introduces a method which can draw power grid geographic mapping and Schematic writing of the [...]
Research on the Analysis for Low Frequency Oscillation in Power Systems
Research on the analysis method for low frequency oscillation of power system is the basis to study the mechanism for low frequency oscillations.With modern power networks complicated gradually,dynamic non-linear theory grown rapidly,and new equipment and technologies used widespread,the conventional analysis methods have many shortcomings.Therefore,it is necessary to study new methods of vibration analysis in order [...]
Reactive Power Optimization in Power System Based on Multi-agent Seeker Optimization Algorithm
With the rapid development of electric power system, the grids become larger and larger. How to guarantee the power system running economically, safely and stably become a focus in the world. The two standards of frequency and voltage is a measure of power systems stability, and the system voltage stability is usually achieved by regulating [...]