王庄煤矿35kv地面变电所供电系统设计毕业论文

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1、王庄煤矿35KV地面变电所供电系统设计摘要该地区变电所所涉及方面多，考虑问题多，分析变电所担负的任务及用户负荷等情况，选择所址，利用用户数据进行负荷计算，确定用户无功功率补偿装置。同时进行各种变压器的选择，从而确定变电站的接线方式，再进行短路电流计算，选择送配电网络及导线，进行短路电流计算。选择变电站高低压电气设备，为变电站平面及剖面图提供依据。本变电所的初步设计包括了总体方案的确定、负荷分析、短路电流的计算、高低压配电系统设计与系统接线方案选择、继电保护的选择与整定、防雷与接地保护等内容。随着电力技术高新化、复杂化的迅速发展，电力系统在从发电到供电的所有领域中，通

2、过新技术的使用，都在不断的发生变化。变电所作为电力系统中一个关键的环节也同样在新技术领域得到了充分的发展。关键词：变电站、负荷、输电系统、补偿装置、负荷分析35KVsubstationgroundcoalpowersupplysystemdesignoflizhuangABSTRACTThesubstationisanimportancepartoftheelectricpowersystem,itisconsistedoftheelectricappliancesequipmentsandtheTransmissionandtheDistribution.Itob

3、tainstheelectricpowerfromtheelectricpowersystem,throughitsfunctionoftransformationandassign,transportandsafety.Thentransportthepowertoeveryplacewithsafe,dependable,andeconomical.Asanimportantpartofpower’stransportandcontrol,thetransformersubstationmustchangethemodeofthetraditionaldesig

4、nandcontrol,thencanadapttothemodernelectricpowersystem,thedevelopmentofmodernindustryandtheoftrendofthesocietylife.Theregionof110-voltageeffectmanyfieldsandshouldconsidermanyproblems.Analysechangetogiveorgetanelectricshockamissionforcarryingandcustomerscarriesetc.circumstance,choosethe

5、address,makegooduseofcustomerdataproceedthencarrycalculation,ascertainthecorrectequipmentofthecustomer.Atthesametimefollowingthechoiceofeverykindoftransformer,thenmakesurethelinemethodofthetransformersubstation,thencalculatetheshort-circuitelectriccurrent,choosingtosendtogetherwiththee

6、lectricwiremethodandthestyleofthewire,thenproceedingthecalculationofshort-circuitelectriccurrent.Thisfirststepofdesignincluded:ascertainthetotalproject、loadanalysis、thecalculationoftheshort-circuitelectriccurrent、thedesignofanelectricshockthesystemdesigntoconnectwithsystemandthechoiceo

7、flineproject、thechoiceandthesettleoftheprotectivefacility、thecontentstodefendthethunderandprotectionofconnecttheearth.Alongwiththehighandquickdevelopmentofelectricpowertechnique,electricpowersystemthencanchangefromthegenerateoftheelectricitytothesupplythepower.ordsKEYWORDS：substation