第1页共49页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第1页共49页第2页共49页第1页共49页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第2页共49页摘要该设计是关于工程机械制造厂供电系统及变电所的设计。设计的思路是依据国家规范要求以及该厂二类负荷对供电可靠性的要求,制定设计方案及供电措施。该企业的供电系统由一条35KV高压进线和一条10KV高压进线电源提供,为确保负荷供电的可靠性,在高压侧又设有“单母线分段制”的电源供电方式,该设计中采用并联电容器的方法来补偿无功功率,以减少供电系统的电能损耗和电压损失,同时提高了供电电压的质量。设计中体现了安全、可靠、灵活、经济的原则。确定高压变配电所的位置、形式、数量及主变台数与容量等;确定二次继电保护方案,选用先进的自动保护装置;确定变电所防雷过压保护与接地保护方案;根据设计要求,绘制全厂供配电系统图,二次继电保护电路图及高压变配电所平、剖图等。关键字:供电系统,安全可靠,主接线Summary第3页共49页第2页共49页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第3页共49页Thedesignisthedesignofthepowersupplysystemsandsubstationconstructionmachinerymanufacturer.Thedesignideaisbasedontherequirementsofthenationalregulatoryrequirementsaswellastheplanttwotypesofloadonthepowersupplyreliabilitytodevelopthedesignandsupplymeasures.Thepowersupplysystemoftheenterprise,toensurethereliabilityoftheloadpoweredbya35KVhighvoltageintothelineandaof10KVhighpressureintothelinesupplyinthehigh-pressuresideandasinglebusbarsystempowersupplymode,Thedesignembodiestheprincipleofasafe,reliable,flexibleandeconomic.Determinethepositionofthehigh-voltagesubstation,form,quantityandmaintransformerstationnumberandcapacity;determinethesecondaryrelayprogram,selectionofstate-of-the-artautomaticprotectiondevices;determinesubstationlightningovervoltageprotectionandgroundingprotectionprogram;accordingtodesignrequirements,todrawthewholeplanttothepowersupplyanddistributionsystemdiagram,thesecondaryprotectioncircuitdiagramandhigh-voltagesubstationlevel,cross-sectionaldiagram。Keywords:powersupplysystem,safeandreliable,themainconnection目录(文章结构基本可以,但其具体内容,参考别人的有多少自己最清楚,如果参考较多,请自己更改。)1概述改为绪论..........................................................................................................................1第4页共49页第3页共49页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第4页共49页1.1工厂供电意义和要求......................................................................................11.2设计原则...............................................................................................................21.3内容及步骤...............................................................................................................22负荷计算....................................................................................................................................32.1定义..........................................................................................................................32.2负荷计算的方法................................................................................................42.3负荷计算结果.....................................................................................................43供电系统及方式.....................................................................................................................93.1主接线方案.................