變電所設(shè)計(jì)摘要

1、精選優(yōu)質(zhì)文檔-傾情為你奉上精選優(yōu)質(zhì)文檔-傾情為你奉上專心-專注-專業(yè)專心-專注-專業(yè)精選優(yōu)質(zhì)文檔-傾情為你奉上專心-專注-專業(yè)摘 要變電所是電力系統(tǒng)的重要組成部分，變電所起著變換和分配電能的作用，它直接影響整個(gè)電力系統(tǒng)的安全與經(jīng)濟(jì)運(yùn)行，在工廠中有著極其重要的作用。本次設(shè)計(jì)為華東機(jī)床有限公司為35KV變電所設(shè)計(jì)。在設(shè)計(jì)中要秉承可靠、經(jīng)濟(jì)、實(shí)用的原則合理的進(jìn)行變電所的布置和設(shè)備的選擇，設(shè)計(jì)的內(nèi)容力求概念清楚，層次分明。本廠屬新建企業(yè)，按工程的總體方案規(guī)劃，本廠擬設(shè)立三個(gè)車間變電所和一個(gè)總變電所，考慮到工廠照明等負(fù)荷增加一所用變壓器。供電方式采用樹(shù)干式和放射式相結(jié)合?？傋冸娝捎?5kv和10kv兩

2、路進(jìn)線互為備用，考慮供電的可靠性車間變電所采用兩臺(tái)變壓器互為備用的接線方式。合理設(shè)計(jì)變壓器等設(shè)備的二次繼電保護(hù)線路，力求系統(tǒng)運(yùn)行安全。本設(shè)計(jì)變電所的設(shè)計(jì)需要查閱相關(guān)的規(guī)范，合理的進(jìn)行布局，力求使變電所的構(gòu)造達(dá)到經(jīng)濟(jì)、方便的目的?？紤]本廠的實(shí)際情況，本設(shè)計(jì)采用避雷帶進(jìn)行避雷防護(hù)，變電所內(nèi)所有金屬柜等都與接地體相連接以確保安全。變電所的照明要根據(jù)不同的情況合理選擇燈具的類型。通過(guò)合理的構(gòu)思與嚴(yán)密設(shè)計(jì)，達(dá)到設(shè)計(jì)出一個(gè)合格的變電所的最終目的。關(guān)鍵詞：變電所 變壓器 繼電保護(hù) 防雷接地論文現(xiàn)結(jié)合電力系統(tǒng)發(fā)展，在設(shè)計(jì)中要秉承可靠、經(jīng)濟(jì)、實(shí)用的原則合理的進(jìn)行工藝區(qū)的電動(dòng)閥及儀表等設(shè)備進(jìn)行配電及接地設(shè)計(jì)，設(shè)計(jì)

3、的內(nèi)容力求概念清楚，層次分明。針對(duì)現(xiàn)運(yùn)行工藝區(qū)的相關(guān)電氣設(shè)備及運(yùn)行、檢修實(shí)踐經(jīng)驗(yàn)，參照國(guó)家及電力系統(tǒng)制定的相關(guān)設(shè)計(jì)規(guī)程及制度，按照工藝區(qū)建設(shè)相關(guān)要求，依據(jù)工藝區(qū)域用電實(shí)際情況，在工藝區(qū)建設(shè)設(shè)計(jì)中主要遵循安全可靠、技術(shù)先進(jìn)、減少維護(hù)的原則，積極采用適合當(dāng)?shù)厍闆r的先進(jìn)成熟的技術(shù)和設(shè)備，著重考慮工藝區(qū)周邊地區(qū)供電電源的可靠性及長(zhǎng)遠(yuǎn)規(guī)劃的要求對(duì)工藝區(qū)進(jìn)行設(shè)計(jì)，在設(shè)計(jì)過(guò)程中，主要針對(duì)工藝區(qū)配電設(shè)計(jì)與接地保護(hù)做細(xì)化的分析。論文關(guān)鍵詞： 工藝區(qū) 配電 接地保護(hù) 設(shè)備 Abstract Substation is an important part of power system, substation pl

4、ays a role in transformation and distribution of electricity, which directly affect the security and economic power system operation, the plant has an extremely important role. The design for the East China Machine Tool Co., Ltd. for the 35KV substation design. In the design to uphold the reliable,

5、economical, practical and reasonable for the principle of substation layout and equipment selection, design concept and strive to clear the contents, structured. Our factory is a new business, according to the projects overall program planning, the factory of the proposed three substations and a tot

6、al substation plant, taking into account the increase in plant lighting load of a transformer. Power supply using the trunk type and radial combination. 35kv and 10kv substations using the total two-way back into the line of each other, consider the reliability of power plant substation transformer

7、each other using two alternate wiring. Rational design of transformers and other equipment of the second relay circuit, and strive to the safe operation of the system. The design of substation design requires access to relevant specifications, reasonable layout, and strive to achieve the economic co

8、nstruction of the substation, the purpose of convenience. Our consideration of the actual situation, the design uses a lightning protection zone for lightning protection, all metal cabinet substation and grounding are all connected to ensure safety. Substation lighting conditions to be a reasonable choice based on different types of lamps. Through the rational design ideas and tight, to d