【正文】 and clear, not too long. ③ distinction between nature and type of load. ④ law was easy to find, make viewer at a glance. Based on the above requirements and on the ground, fire district and the underground construction industry form the different conditions, using two slightly different ways. Essential for the underground garage, uses a single parison, also relatively fire district neat, according to fire district number, such as ALBL1 / 1, AP and APE, the meaning of the letters and numbers: AL on behalf of lighting distribution (AP on behalf of Power distribution box, APE on behalf of the emergency power distribution box)。 2）負(fù)荷的不確定性大，因?yàn)樯虡I(yè)地產(chǎn)往往根據(jù)市場租的需求，不斷調(diào)整商鋪的性質(zhì)，使得負(fù)荷在動(dòng)態(tài)變化之中。在變電所平面布置的設(shè)計(jì)中，除了滿足規(guī)范要求以外，還需要考慮高壓柜、變壓器和低壓柜按供電順序布置，尤其是低壓配電柜饋出電纜的走向順暢，值班人 員巡視方便等問題如不認(rèn)真考慮，會(huì)造成施工時(shí)電纜交叉多、繞遠(yuǎn)路、浪費(fèi)建筑面積以及巡視不方便等問題。在變電所這級配電中，選擇斷路器時(shí)要選整定值可調(diào)整的斷路器，以便在末端負(fù)荷變化時(shí)調(diào)整整定值；在母線和互感器的選擇上一般按斷路器框架值來選。 ③ 將樓梯間、儲(chǔ)藏間等不需要做裝修的部位，單獨(dú)設(shè)置配電回路或配電箱，盡量不從公共區(qū)域預(yù)留精裝用電的配電箱內(nèi)饋出 。 ② 編 號要簡單明了，不能太長。以上僅是在商業(yè)設(shè)計(jì)中的點(diǎn)滴經(jīng)驗(yàn)總結(jié)，希望能和廣大設(shè)計(jì)人員交流。 ④ 規(guī)律明顯便于查找，能使看圖者一目了然。利用 BA 系統(tǒng)控制優(yōu)點(diǎn)是造價(jià)低，控制簡單；缺點(diǎn)是由于交流接觸器為三相，控制時(shí)可能會(huì)三路同時(shí)開或者同時(shí)關(guān)，在裝修設(shè)計(jì)時(shí)需將各接觸器饋出回路岔開供電，避免造成故障時(shí)大面積停電。 6 層配電箱的設(shè)置 根據(jù)各層防火分區(qū)的劃分，分別在各層編號為 A～ K 豎井內(nèi)設(shè)置層照明配電箱為各商鋪供電 ,各商鋪的供電采用一對一放射式供電。根據(jù) GB500451995《高層民用建筑設(shè)計(jì)防火規(guī)范》規(guī)定 “消防用電設(shè)備應(yīng)采用專用的供電回路，其配電設(shè)備應(yīng)設(shè)有明顯標(biāo)志 ”。 負(fù)荷參數(shù)的選擇：針對以上遇到的問題，進(jìn)行負(fù)荷計(jì)算時(shí)， 首先與開發(fā)商銷售部門進(jìn)行良好的溝通，確定各層的業(yè)態(tài)形式商鋪面積和性質(zhì)，這是電氣負(fù)荷計(jì)算的基礎(chǔ)依據(jù)；其次確定商鋪內(nèi)單位面積參數(shù)指標(biāo)也很重要且復(fù)雜，因?yàn)橐?guī)范中沒有明確的指標(biāo)可以參考；而且不同城市間的經(jīng)濟(jì)發(fā)展水平不均衡，用電指標(biāo)也不同；便在同一城市不同區(qū)域的消費(fèi)群體也有差異。 1 / 1 for partition 1, I fire box. Above ground is more plex, more fire district, and on the fire district does not correspond to the lower, according to shaft number is better, such as AL1A1, AP, and APE, letters and numbers mean: 1 represents a layer。 3 substation located 2 units plus 2 units transformers, take the southern section of A, B two office supply. 10Kv power configuration of this project into two points, each at the two 10Kv lines, the power pany under the provisions of 10Kv power capacity: maximum load per channel is about to , two is the , design 1 , 3 bination of a substation 10Kv, power line, with a total capacity of 。Power supply system of highrise building design Abstract: With the continuous development of city size, more and more highrise buildings, therefore, highrise building electrical design to the designers had to face. In this paper, an engineering example, describes the electrical design of highrise buildings and some of the more typical issues of universal significance, bined with the actual practice of an engineering solution to the problem described. Key words: highrise building。 2 4 transformer substations located, plus 6 sets transformers, take the middle of the power supply, in addition to 5 Taiwan highpressure water chillers (total )。 BI on behalf of the basement。 3）目前的規(guī)范和技術(shù)措施沒有對商業(yè)項(xiàng)目中不同類別商鋪的參數(shù)指進(jìn)行細(xì)化，工程設(shè)計(jì)中的負(fù)荷計(jì)算缺少據(jù)，大多數(shù)情況只能靠設(shè)計(jì)人員憑借以往工程經(jīng)驗(yàn)進(jìn)行計(jì)算。 4 較小消防負(fù)荷的供配電 在大型商業(yè)項(xiàng)目設(shè)計(jì)中經(jīng)常會(huì)遇到消防用電設(shè)備負(fù)荷較小且分布較分散，若均由變電所饋出，會(huì)使得變電所低壓柜饋出很多小電流回路，對斷路器分?jǐn)嗄芰蛯?dǎo)體的動(dòng)、熱穩(wěn)定帶來一定的影響。例如：某段干線設(shè)備容量 530Kv， Kx取 ，計(jì)算電流為 704A，選擇斷路器框架值為 1000A，整定值為 800A；電流互感器為 1000/50；母線載流量為 1000A，此路最大可滿足1000A 電流的負(fù)荷使用 要求，即便有調(diào)整，配電開關(guān)及線路也可不必作大的變動(dòng)。 ④ 公共區(qū)域照明的控制，大部分采用兩種方式，即 C—BUS 系統(tǒng)或 BA系統(tǒng)控制，利用 C—BUS 的優(yōu)點(diǎn)是控制比較靈活，可按每一路饋出控制，也可調(diào)光控制；缺點(diǎn)是造價(jià)較高。 ③ 區(qū)分負(fù)荷性質(zhì)和類型。