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在我們的日常工作中,我們會遇到隔離變壓器kongzaidianliuturanguodadeqingkuangma?dangwomenyudaozhezhongqingkuangshi,womentongchangruhechulita?gelibianyaqikongzaidianliuguodaduibianyaqiyouheyingxiang?zhenduizhexiewenti,rangwomenlaikankangelibianyaqikongzaidianliuguodadeyinsuhejiejuefangfa。

首(shou)先(xian),讓(rang)我(wo)們(men)了(le)解(jie)隔(ge)離(li)變(bian)壓(ya)器(qi)空(kong)載(zai)電(dian)流(liu)過(guo)大(da)的(de)原(yuan)因(yin)?一(yi)般(ban)來(lai)說(shuo),第(di)一(yi)次(ci)通(tong)電(dian)時(shi),通(tong)過(guo)主(zhu)線(xian)圈(quan)的(de)電(dian)流(liu)為(wei)空(kong)載(zai)電(dian)流(liu),包(bao)括(kuo)無(wu)功(gong)功(gong)率(lv)和(he)有(you)功(gong)功(gong)率(lv),空(kong)載(zai)電(dian)流(liu)會(hui)在(zai)一(yi)定(ding)程(cheng)度(du)上(shang)影(ying)響(xiang)變(bian)壓(ya)器(qi)的(de)功(gong)率(lv)因(yin)數(shu)和(he)溫(wen)升(sheng)。當(dang)空(kong)載(zai)電(dian)流(liu)的(de)大(da)小(xiao)與(yu)鐵(tie)芯(xin)的(de)磁(ci)通(tong)密(mi)度(du)和(he)磁(ci)性(xing)材(cai)料(liao)的(de)質(zhi)量(liang)有(you)關(guan)時(shi),過(guo)大(da)的(de)空(kong)載(zai)電(dian)流(liu)會(hui)導(dao)致(zhi)分(fen)散(san)的(de)磁(ci)場(chang),從(cong)而(er)影(ying)響(xiang)敏(min)感(gan)電(dian)路(lu)和(he)變(bian)壓(ya)器(qi)的(de)振(zhen)動(dong)。
tongchangzaishijidianluzhong,dangbianyaqibunengchuyulixiangdegongzuozhuangtaishi,yishiyuanxianquanzaibianyaqikongzaishidaidian,xianquandianzujiarexuyaonengliangxiaohao,suoyixuyaodianliu;第二,變壓器雖然空載,但在變壓器鐵芯中建立磁場,通過原線圈“電生磁”,以保證副線圈“磁生電”。但dan建jian立li磁ci場chang消xiao耗hao能neng量liang也ye需xu要yao電dian流liu,我wo們men通tong常chang稱cheng之zhi為wei變bian壓ya器qi的de空kong載zai電dian流liu。一yi般ban來lai說shuo,空kong載zai電dian流liu的de大da小xiao與yu變bian壓ya器qi的de材cai料liao和he變bian壓ya器qi生sheng產chan廠chang家jia的de設she計ji工gong藝yi有you關guan。變bian壓ya器qi的de空kong載zai電dian流liu一yi般ban在zai變bian壓ya器qi額e定ding電dian流liu的de10%以內。
變(bian)壓(ya)器(qi)的(de)空(kong)載(zai)電(dian)流(liu)增(zeng)加(jia)通(tong)常(chang)是(shi)由(you)於(yu)變(bian)壓(ya)器(qi)的(de)鐵(tie)損(sun)壞(huai)或(huo)銅(tong)損(sun)壞(huai)造(zao)成(cheng)的(de)。這(zhe)種(zhong)情(qing)況(kuang)會(hui)造(zao)成(cheng)浪(lang)費(fei),主(zhu)要(yao)是(shi)線(xian)圈(quan)匝(za)數(shu)不(bu)足(zu)造(zao)成(cheng)的(de),這(zhe)會(hui)使(shi)變(bian)壓(ya)器(qi)容(rong)易(yi)發(fa)熱(re),嚴(yan)重(zhong)時(shi)會(hui)直(zhi)接(jie)導(dao)致(zhi)變(bian)壓(ya)器(qi)燃(ran)燒(shao)。因(yin)此(ci),在(zai)日(ri)常(chang)選(xuan)擇(ze)變(bian)壓(ya)器(qi)時(shi),我(wo)們(men)不(bu)能(neng)忽(hu)視(shi)空(kong)載(zai)電(dian)流(liu)的(de)參(can)數(shu),影(ying)響(xiang)該(gai)參(can)數(shu)的(de)重(zhong)要(yao)因(yin)素(su)實(shi)際(ji)上(shang)是(shi)變(bian)壓(ya)器(qi)的(de)材(cai)料(liao),因(yin)此(ci)我(wo)們(men)不(bu)能(neng)因(yin)為(wei)變(bian)壓(ya)器(qi)的(de)價(jia)格(ge)而(er)忽(hu)視(shi)變(bian)壓(ya)器(qi)的(de)材(cai)料(liao),導(dao)致(zhi)使(shi)用(yong)後(hou)遇(yu)到(dao)很(hen)多(duo)麻(ma)煩(fan),實(shi)際(ji)上(shang)增(zeng)加(jia)了(le)我(wo)們(men)的(de)成(cheng)本(ben)。
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