鋼波紋涵管管(guan)線(xian)是長距(ju)離輸(shu)送管(guan)線(xian),用(yong)固定支(zhi)架將管(guan)線(xian)分割成若(ruo)干(gan)個直管(guan)段形和平面形等脹(zhang)大(da)管(guan)段后,據(ju)規(gui)劃條件知(zhi)管(guan)架的允(yun)許推力(li)(li)相當小,選(xuan)用(yong)壓力(li)(li)平衡型或鋼(gang)波紋(wen)涵管(guan)的彈(dan)性反(fan)力(li)(li)都較(jiao)大(da),鋼(gang)波紋(wen)涵管(guan)不能滿足要求(qiu)。
鋼波紋涵管施工方案看明白了嗎?
只要(yao)鉸鏈型鋼(gang)波紋(wen)涵管彈(dan)性(xing)反(fan)力(li)小,滿足要(yao)求,且將(jiang)直(zhi)管段成小形鋼(gang)波紋(wen)涵管,采用三鉸鏈安置,不公彈(dan)性(xing)反(fan)力(li)小,且大(da)(da)大(da)(da)減少直(zhi)管段壓力(li)平衡型脹大(da)(da)節的數量,節約投資。選定鉸鏈脹大(da)(da)節,體系飽嘗(chang)水壓試驗,未(wei)發現鋼(gang)波紋(wen)涵管的走(zou)漏,一次試輸成功。
連續安(an)全(quan)運(yun)轉(zhuan)(zhuan)兩年仍繼續運(yun)轉(zhuan)(zhuan),闡明鋼波(bo)紋涵管選型是正確的。停(ting)止無功(gong)補償器在低壓(ya)供配電體(ti)系中應用于電壓(ya)調整、改進電壓(ya)水平(ping)、減(jian)少(shao)電壓(ya)波(bo)動、改進功(gong)率(lv)因(yin)數、電壓(ya)閃變、平(ping)衡不對稱負荷(he),停(ting)止無功(gong)補償器配套的濾波(bo)器能吸收諧(xie)波(bo)和減(jian)小諧(xie)波(bo)干擾等。
鋼波紋涵管施工方案看明白了嗎?
在高壓(ya)輸(shu)電(dian)體(ti)系中,停(ting)止無功補償器(qi)的作(zuo)用(yong)是(shi)提供無功補償、調(diao)整電(dian)壓(ya),改進體(ti)系電(dian)壓(ya)水(shui)平(ping),改進電(dian)力(li)體(ti)系的動態(tai)和暫態(tai)穩定性,工(gong)頻過電(dian)壓(ya)等。相控(kong)電(dian)抗器(qi)型:預(yu)應力(li)波紋(wen)管(guan)利用(yong)閘(zha)管(guan)開(kai)關來(lai)操控(kong)電(dian)抗器(qi)的接通時(shi)刻(經過操控(kong)閘(zha)管(guan)的導通角)。
然后操(cao)控(kong)電(dian)(dian)(dian)抗(kang)器中電(dian)(dian)(dian)流(liu)的(de)波(bo)形(xing),其基(ji)波(bo)電(dian)(dian)(dian)流(liu)將隨導通(tong)角而改動其巨細,這就(jiu)相當于改動電(dian)(dian)(dian)抗(kang)器的(de)電(dian)(dian)(dian)抗(kang)值。可(ke)控(kong)飽滿(man)電(dian)(dian)(dian)抗(kang)器型:預應力波(bo)紋管可(ke)控(kong)飽滿(man)電(dian)(dian)(dian)抗(kang)器包括兩部分繞組,即交流(liu)繞組和直流(liu)操(cao)控(kong)繞組。
改動直流操控繞組的勵磁電流,調節鐵心的飽滿程度,就可改動交流繞組的電感值。自飽滿電抗器型:自飽滿電抗器在某一電壓值下,鐵心即自行飽滿。在未飽滿時電抗值大,飽滿后電抗值小,隨著電抗值的改動所吸收的無功功率也就改動。//hanihanbj.com/
分享此文章: |
版(ban)權所有(you):衡水(shui)浩威新材料有(you)限公(gong)司 ICP備案/許(xu)可(ke)證(zheng)號(hao): 技(ji)術支(zhi)持: