The dissertation systematically discusses the theory of artificial fish swarm algorithm (AFSA).The AFSA has some good abilities, which can overcome the local extremum, and get the general extremum. We can find satisfying domain of answer in an easy way, but we can’t find the accurate optimal answer by using it. Considering its big objection in astringency and computing complicacy, this pape...

Substation monitoring configuration software is an important component of integrated substation automation system, it integrates data acquisition, communication, display, control, and other functions into a whole, and is the ultimate realizable tools. It is expensive to use large - specialized monitoring configuration software, and small substation is unbearable. It is not a very good choice ...

In order to enhance the level of reactive voltage professional management and guarantee the voltage quality, it is necessary to master the detail information of reactive-load compensation equipments of Beijing power grid. This is also the research foundation on how to make the reactive-load compensation more proper. This thesis first introduces the basic information of the reactive-load compe...

Along with raising concern of the power quality during power plants, power supply bureau and consumers of electricity, and the implementation of setting prices according to the quality, it is imminent to establish power quality dynamic monitor and management system, which covers the entire power grid. It also put forward higher requirements for the interoperability among power quality monitor...

By analyzing the H_∞control theory and the weakness of existing Arc Suppression Coils (ASC), a new type of active

With the electric generator larger capability and power grid faster connection, power system structures is becoming more and more complex. The safety capacity of power grid is challenged. Therefore, Power grid stability-monitoring is becoming more and more important. Bus-bar voltage phasor is a major status variable for power grid stability status, which provide a strongly evidence for power ...

In the engineering design of SVC, there are three key factors, analyzing the main power quality problems, bringing forward reasonable scheme and simulating. This dissertation conducts an in-depth study on the three factors, aiming to insure the veracity and security of the SVC scheme. In order to fulfill this task, the author makes in-depth researches on the domestic and foreign power quality ...

With aggrandizement of capacity and ascent of automating the degree of modern power station machine unit, the quantity of the power station cable also increasing quickly. Lagging design and installment means of cable have become one of technique keys that hinder cable layout quality and efficiency.Make use of computer aided cable laying technique engineers can reach hint information in advance...

The paper analyzed the harmonic characteristics of electrical railway traction load, large and middle rectifier load, and arc furnace load. Give the harmonic model of these loads. The paper also developed the data interface of PS3 harmonic analysis instrument and gave the design method of power filters. Base on these studies, the simulation software of harmonic in power supply system is develo...

The low current grounding mode of the neutral point in the power distribution network is adopted in Huaqi of Guiyang,which has a lot of advantages. However, the fault characteristics are not obvious with this kind of grounding mode when the single-phase grounding fault happens , as a result the selection of the faulty line is very difficult. If we can find out a way to select the faulty line a...