| 1. | Therefore , how uses power loss to evaluating power network is emphases in this paper
因此，如何通过线损来评价电网结构问题将是本文的研究核心。 |
| 2. | With the development of power networks , the network structure is becoming more stable , but complex as well
随着电网建设的逐步升级和加强，电网结构趋于成熟稳定，但也愈加庞大繁杂。 |
| 3. | Hebi hasreliable power grids with over 2000 mva substation capacity and 5 . 5 billion kw of annual power supply
城区内供电能力充足，电网结构合理，自动化水平高，供电可靠性强，年供电量55亿千瓦时，变电容量2000多兆伏安。 |
| 4. | Whether power network is rational or not is coming into being the long influence to technique capability , economy benefit , security , high quality and running
电网结构合理与否，对电网的技术性能和经济效益以及安全、优质、经济、高效运行将产生长期的影响。 |
| 5. | It is easy to modify and expand the power network structure and knowledge base on this idea and the dispatched operating card features accurate and flexible
基于上述思想开发的调度操作票专家系统，对于电网结构以及知识库的修改和扩充是非常方便的，并且，开出的操作票既保证了准确性，又具有高度的灵活性。 |
| 6. | Transmission long - term planning is a dynamic , multi - stage and nonlinear combinative optimization problem . the thoughts of how to carry out multi - stage transmission network planning are analysed
电网长期规划既要考虑各水平年的电网结构，又要考虑各水平年的方案过渡，是一个动态的多阶段非线性整数规划问题。 |
| 7. | Nowadays , in the power net structure of our nation , 300mw generate set has become the main set , the problem of how to ensure the safe operation has been confront the theorist and practic workers
目前，在我国的电网结构中， 300mw火电机组已日益成为骨干，因此，如何保证这些机组的安全运行，是当今的理论工作者和现场实际工作者面临的问题。 |
| 8. | With the rapid development of the power system , the power grid changes day to day , such as : the number of parallel lines increases greatly , the transmission lines become much longer and the load is much more heavy
随着电力系统的迅速发展,电网结构不断发生变化。同杆并架双回线路和远距离重负荷线路将不断增多，分支线路和多端线路亦将增加。 |
| 9. | Form the evaluating actually of power network , although evaluating power network rationality is plenty of studied , it is not almost reported by literatures to using power loss evaluating power network
从电网结构评价研究的现状看，无论从理论上还是实际应用上，当前的研究工作开展的还很不够，特别是应用线损来评价电网结构，相关文献和报道较少。 |
| 10. | The ability of power network maintaining its power supply reliability and quality is restricted by power network structure , line and load characteristics , generator drive device characteristics and relay protection mechanism
电力网络维持其供电可靠性及电能质量的能力是受电网结构、线路和负荷特性、发电机动力设备特性以及继电保护机制等因素影响的。 |
