On the basis of the integrate security program being implemented in hubei electric power company right now and in connection with the security requirement of the enterprise information network , the strategy and thinking to cope with the internal network security and the application security of electric power information network were investigated , in the aspects of technique , application , security management and so on 摘要在湖北省電力公司正在實施的整體安全解決方案的基礎(chǔ)上,結(jié)合電力企業(yè)信息網(wǎng)絡(luò)的安全需求,從技術(shù)、應用和安全管理等方面探討如何解決電力信息網(wǎng)絡(luò)內(nèi)部安全和應用安全問題的實施策略和思路。
A large amount of experience data accumulated through long term operation is introduced . combined with the definition of relative requirements , the choosing and definition of operation index of high - frequency channels specially used for protection of hubei electric power network are discussed and elaborated through calculation and analysis such as input impedance and channel impedance of transmitter , sensitive voltage of received signal , redundancy of received signal , warning of channel redundancy and warning of channel faults etc 引用了長期運行中積累的大量經(jīng)驗數(shù)據(jù),通過計算分析,結(jié)合有關(guān)規(guī)程規(guī)定,探討和闡述了湖北電網(wǎng)繼電保護專用高頻通道諸如收信機輸入阻抗及通道阻抗、收信靈敏電平、收信裕度、通道裕度告警、通道異常告警等運行指標的選取和確定。
With the view of economical and social development of hubei province towards the demand of electric power , the existing problems related to the development of hubei electric power were analyzed , the development target of hubei power system and power sources in the coming 5 ~ 10 years was raised , suggestions for the problems to be solved in hubei electric power development were presented as well 摘要從湖北省經(jīng)濟和社會發(fā)展對電力的需求出發(fā),分析了湖北省電力發(fā)展存在的問題,提出未來5 ~ 10年湖北電網(wǎng)和電源發(fā)展目標,并就電力發(fā)展中要解決的問題提出了建議。
The lightning resisting level of microelectronic device , the property of tvs diode and solid - state discharge triode , three grades protection for power source device , grounding and shield requirement for communication system to protect lightning and the lightning troubles in recent years at hubei electric power company were introduced 摘要介紹了微電子器件耐雷水平、新型防雷器件tvs管和固態(tài)放電管的特性、電源裝置的三級保護、通信系統(tǒng)防雷接地與屏蔽的有關(guān)要求和湖北省電力公司通信系統(tǒng)中近幾年雷害情況。