资源描述:
《南瑞继电保护技能培训教材》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、isresponsibleforOrganizationtraining,andimplementation,andcheck;12,masterworkshopsanualeconomicindicatorsofimplementation,reportingtofinancialhealthonaregularbasis;13,isresponsibleforthedailyoversightinthealocationanduseofunds;14,responsibleforalDepartmentstatistics,colecting,sorting,reportingof
2、acountingreports;15,thecompanyresponsibleforthesupervisionoftheTreasury,includingthe"thirdgrade"library,alibraryofmaterials,productsforegularinventoryhandling,sampling,storagemonitoring,thepickingwork,andprovidetheinventoryreport,andmaketheapropriateacountingtreatment;16,responsibleforwasteandre
3、cycling,transportationandsetlement;17,isresponsibleforalproductsalesacountingfunctions;18,responsibleforthecompany'srawmaterials,auxiliarymaterials,acountmanagement;19,isresponsiblefortheflowofcontrolofalasetsofthecompany,acordingtothechangesinacountingtreatmentofixedasetsandasetstothedepartment
4、sresponsibleforclearing,setlementandasetmonthlyreportsubmitedtotheasetmanagementsectionoftheFinanceDepartmentofthecompanyorganizedonacompany-widespecialinspectionofasetmanagement;20,acordingtothecompany'sbusinesactivities,monthlyprojectsinvolvedinthebusinesactivitiesofthecompany(includingexpense
5、s,businesmanagement,costcontrol,cashflow,revenue,etc)financialanalysis,provideabasisfordecisionsforthecompany,thebusinesofthecompanyresponsibleformonitoring,forecastingandriskanalysis;21,responsibleforthesetlementoftransactionswiththeBank;2,is第一章微机保护的硬件和软件系统第一节微机保护的硬件系统一套微机保护由硬件系统和软件系统两大部分组成。硬件系
6、统是构成微机保护的基础,软件系统是微机保护的核心。图1-1表示出了微机保护的硬件系统构成,它由下述几部分构成:⑴微机主系统。它是由中央处理器(CPU)为核心,专门设计的一套微型计算机,完成数字信号的处理工作。⑵数据采集系统。完成对模拟信号进行测量并转换成数字量的工作。⑶开关量的输入输出系统。完成对输入开关量的采集和驱动小型继电器发跳闸命令和信号工作。⑷外部通信接口。⑸人机对话接口。完成人机对话工作。⑹电源。把变电站的直流电压转换成微机保护需要的稳定的直流电压。微机主系统人机对话接口打印机CPU键盘指示灯LED保存数据用RAMPC机液晶显示打印机接口数据采集系统存放程序用专用调试调试通信
7、接口设备EPROM/FLASH开关量存放定值用输入开关量EEPROM/FLASH输入输出通信接口外部通信系统跳闸、WATCHDOG信号定时器/计数器电源图1-1微机保护的硬件构成框图一中央处理器CPU它是微机主系统的大脑,是微机保护的神经中枢。软件程序需要在CPU的控制下才能遂条执行。当前,在微机保护中应用的CPU主要有以下一些类型:1.单片微处理器例如Intel公司的80X86系列,Motorola公司的MC683XX系列。其中32位的CPU