基礎信息Product information
產品名稱(cheng):
西門子(zi)直流驅(qu)動器(qi)上(shang)電後報警(jing)不(bu)能(neng)復(fu)位(wei)
產品(pin)型(xing)號:當(dang)天解(jie)決(jue)
廠商(shang)性(xing)質(zhi):代理商(shang)
所在(zai)地:上(shang)海(hai)市
更新(xin)時(shi)間(jian):2025-12-17
產品簡介:
直流驅(qu)動器(qi)西門子(zi)上(shang)電後報警(jing)不(bu)能(neng)復(fu)位(wei);恒稅公司(si)是(shi)國(guo)內(nei)較(jiao)早(zao)從(cong)事(shi)工控設備(bei)維修(xiu)單(dan)位(wei),是(shi)德國(guo)SIEMENS西門子(zi)維修(xiu)單(dan)位(wei),目前擁有(you)維修(xiu)工(gong)程(cheng)師(shi)和(he)*維修(xiu)設(she)備(bei),具有(you)豐(feng)富(fu)的維修(xiu)技(ji)術和(he)經驗(yan)。我們壹直專註(zhu)維修(xiu)技(ji)術的研(yan)究,保證(zheng)不(bu)二(er)次損壞機(ji)器(qi),不(bu)收(shou)取(qu)任(ren)何檢測(ce)費用(yong),維修(xiu)西門子(zi)就找(zhao)專修(xiu)西門子(zi)公司(si)!
產品(pin)特(te)性(xing)Product characteristics
| 品(pin)牌(pai) | Siemens/西門子(zi) | 應用領(ling)域(yu) | 環(huan)保,農(nong)林(lin)牧(mu)漁(yu),能(neng)源(yuan),包(bao)裝/造紙(zhi)/印(yin)刷(shua) |
直流驅(qu)動器(qi)西門子(zi)上(shang)電後報警(jing)不(bu)能(neng)復(fu)位(wei)
SIMOREG直流調(tiao)速裝置維修(xiu), SIMOREGDCMASTER直流調(tiao)速器(qi)維修(xiu)
我司(si)開(kai)展西門子(zi)備(bei)件維修(xiu)近(jin)10年的歷(li)史(shi),經驗(yan)豐(feng)富(fu),技術成(cheng)熟(shu),備(bei)件齊(qi)全,維修(xiu)周(zhou)期(qi)短(duan), 檢測(ce)條件齊(qi)全,所有(you)維修(xiu)物(wu)品(pin)檢修(xiu)成(cheng)功後(hou)都會(hui)上(shang)電測試8小(xiao)時以上(shang),確認*後(hou)方(fang)可(ke)出庫,是(shi)您維修(xiu)西門子(zi)設備(bei)的選(xuan)擇!
全國(guo)各(ge)地公司(si)可提供現(xian)場(chang)維修(xiu)檢測(ce)服(fu)務(wu)。
直流驅(qu)動器(qi)西門子(zi)上(shang)電後報警(jing)不(bu)能(neng)復(fu)位(wei);
西門子(zi)6RA80直流調(tiao)速器(qi)是(shi)壹種(zhong)電(dian)機(ji)調(tiao)速(su)裝置,包(bao)括電(dian)機(ji)直流調(tiao)速器(qi)、脈(mai)寬直流調(tiao)速器(qi)、可(ke)控(kong)矽直流調(tiao)速器(qi)等(deng)。以(yi)下(xia)是(shi)常見(jian)的西門子(zi)6RA80直流調(tiao)速器(qi)維修(xiu)過(guo)程(cheng)。
西門子(zi)6RA80直流調(tiao)速器(qi)電(dian)路(lu)原(yuan)理(li)分(fen)析:
〔主(zhu)電(dian)路(lu)〕調速(su)器的主(zhu)電(dian)路(lu)采用(yong)了先交(jiao)流調(tiao)壓(ya)後(hou)整流的電(dian)路(lu)形式,先用雙向晶(jing)閘管V1對輸入交(jiao)流電(dian)壓(ya)進(jin)行(xing)調節(jie),再(zai)由P4橋式整流電(dian)路(lu)對調(tiao)節(jie)後(hou)的電(dian)壓(ya)進(jin)行(xing)整流,供(gong)直流電(dian)機(ji)電(dian)樞(shu)繞組A1、A2端子的供(gong)電;勵(li)磁(ci)電(dian)源(yuan),則由P1對交(jiao)流220V 直接(jie)整流後(hou),供F1、F2勵(li)磁(ci)線圈端子。在(zai)電(dian)源(yuan)輸入回路(lu)中串聯(lian)了4A 保險(xian)管,起到對(dui)雙向晶(jing)閘管V1的第(di)二(er)重(*重保護(hu)由N3、N4完成(cheng))過載(zai)與(yu)短(duan)路(lu)保護(hu)。R1、C2並(bing)聯(lian)在(zai)晶(jing)閘管的T1、T2兩(liang)端,吸收(shou)有(you)害尖(jian)峰電(dian)壓(ya)能(neng)量,對(dui)晶(jing)閘管起到過(guo)壓(ya)保護(hu)作(zuo)用。
〔同(tong)步、移(yi)相和(he)觸(chu)發電(dian)路(lu)〕由U1、N1、N2、V2等電(dian)路(lu)組成(cheng)。P2、U1構成同(tong)步電(dian)壓(ya)信(xin)號采樣電路(lu),R5、R6對輸入220V 交(jiao)流電(dian)壓(ya)進(jin)行(xing)限流,輸入P2整流橋(qiao),將電(dian)網的正、負半(ban)波“調(tiao)向”為100Hz 的脈(mai)動直流信(xin)號,經R 、U1輸入側(ce)(1、2腳(jiao))形(xing)成(cheng)U1內部發光(guang)二(er)極(ji)管的電(dian)流輸入通(tong)路(lu)。U1的5腳(jiao)接入+9V供電的上(shang)拉電(dian)阻R11,在(zai)100Hz 脈(mai)動直流作(zuo)用下(xia),U1的5腳(jiao)(N1的10腳(jiao))因(yin)U1輸出三極(ji)管大部分(fen)時間處於導通(tong)狀(zhuang)態下(xia),U5腳(jiao)電壓(ya)為近(jin)於0V 的低(di)電平(ping),在(zai)電(dian)網電壓(ya)過(guo)零(ling)時(shi),U1內(nei)部三(san)極(ji)管截(jie)止(zhi),N1的10腳(jiao)出現(xian)壹(yi)個與(yu)電(dian)網過零(ling)點(dian)同(tong)步的高(gao)電壓(ya)(窄(zhai))脈沖(chong)電壓(ya),此(ci)電壓(ya)可(ke)稱為同(tong)步信(xin)號電壓(ya)。此(ci)處將電(dian)網電壓(ya)進(jin)行(xing)橋式整流取(qu)出同(tong)步電(dian)壓(ya)信(xin)號的目的,是(shi)為了後續(xu)電路(lu)能在(zai)電網正半(ban)波和(he)負半(ban)波期(qi)間(jian),各(ge)輸出壹個(ge)移相(xiang)脈(mai)沖(chong)信(xin)號,來(lai)控制雙向晶(jing)閘管的“雙向可(ke)控導(dao)通(tong)”,實(shi)現(xian)交(jiao)流調(tiao)壓(ya)。若(ruo)單獨(du)取(qu)用壹(yi)個(ge)正半(ban)波同(tong)步信(xin)號,形成(cheng)的移(yi)相觸(chu)發信(xin)號,雖(sui)觸(chu)發的也是(shi)雙向晶(jing)閘管,但輸出電壓(ya)即(ji)為直流電(dian)壓(ya)了(雙向晶(jing)閘管僅在(zai)電(dian)網正半(ban)波時(shi)被觸(chu)發導(dao)通(tong))。N1運放電路(lu)接成(cheng)電壓(ya)比(bi)較(jiao)器,反(fan)相(xiang)端由R12、R13對+9V分(fen)壓(ya),得到5.4的分(fen)壓(ya)值(zhi),提高了幹擾(rao)門限電(dian)壓(ya)水(shui)平(ping),也起到對(dui)輸入信號整形(xing)作用(yong),使(shi)輸出電壓(ya)為矩(ju)形(xing)波脈(mai)沖。在電網過零(ling)點(dian)期(qi)間(jian),N1的8腳(jiao)為高(gao)電(dian)平(ping)電(dian)壓(ya)。
N1、V3、V4構成鋸齒(chi)波形(xing)成(cheng)電路(lu),鋸齒(chi)波的零(ling)電(dian)位(wei)點與(yu)電(dian)網過零(ling)點(dian)對(dui)應。V4、D3、R22、R23組成(cheng)恒(heng)流源(yuan)充(chong)電電(dian)路(lu),使(shi)C10上(shang)電壓(ya)線性(xing)上(shang)升,提升了電路(lu)的移(yi)相控(kong)制範圍。D3為發光(guang)二(er)極(ji)管,導通(tong)電壓(ya)約(yue)為1.2V ,其(qi)壓(ya)降(jiang)受(shou)流通(tong)電流影(ying)響不(bu)大,可(ke)近(jin)似認(ren)為是(shi)壹個(ge)恒(heng)定(ding)電壓(ya),作(zuo)為V4的固(gu)定(ding)偏壓(ya),由元件參數可(ke)推算(suan)出該恒(heng)流源(yuan)的恒(heng)定(ding)電流值(zhi)為1.2V ——0.6V(V4發射(she)結(jie)電壓(ya))/2.2kΩ=0.27mA。在(zai)電網電壓(ya)正(負)半(ban)波期(qi)間(jian),N1的10腳(jiao)為低(di)電(dian)平(ping),8腳(jiao)也為低(di)電(dian)平(ping),V3處於截(jie)止(zhi)狀(zhuang)態,V4以恒流(0.27mA )為C10充(chong)電(dian),C10上(shang)電壓(ya)線性(xing)上(shang)升,電網過零(ling)點(dian)到(dao)來(lai)時,N1的8腳(jiao)變(bian)為高(gao)電(dian)平(ping),V3飽(bao)和(he)導(dao)通(tong),將C10所充(chong)電荷(he)快速(su)泄放。因(yin)C10的充(chong)電時(shi)間(jian)常數不(bu)壹樣,恒流緩(huan)充電(dian),使(shi)C10上(shang)電壓(ya)上(shang)升斜率(lv)較(jiao)小;放電時(shi)間常數小(xiao)(V3飽和(he)導(dao)通(tong)下(xia)電(dian)阻值(zhi)極(ji)小),C10下(xia)降(jiang)斜率(lv)大(形(xing)成陡(dou)峭(qiao)下(xia)降(jiang)),二(er)者(zhe)作(zuo)用在C4的正端形成(cheng)鋸齒(chi)波電(dian)壓(ya),並(bing)輸出到N2的同(tong)相輸入端5腳。
N2運(yun)算(suan)放大器(qi)構成可(ke)變(bian)脈寬輸出電路(lu)。N2的反(fan)相(xiang)端為速(su)度給(gei)定(ding)信號輸入端,由R19、R21對+9V分(fen)壓(ya)設(she)定(ding)轉(zhuan)速(su)給(gei)定(ding)電位(wei)器W2的電(dian)壓(ya)調(tiao)節(jie)範圍,N2的6腳(jiao)輸入的是(shi)壹個(ge)反(fan)向(xiang)調節(jie)電(dian)壓(ya),W2活動臂分(fen)壓(ya)值(zhi)越高,主(zhu)電(dian)路(lu)輸出直流電(dian)壓(ya)越(yue)低。因(yin)C11放電後(hou)會有(you)“殘余電壓(ya)”的存(cun)在,選(xuan)限R21的阻(zu)值(zhi),使(shi)W2調(tiao)到零(ling)位(wei)時,N2的6腳(jiao)電壓(ya)仍(reng)能C11上(shang)鋸齒(chi)波電(dian)壓(ya)的“谷(gu)底”,避免(mian)N2輸出腳出現(xian)恒(heng)定(ding)調電(dian)平(ping)(調(tiao)寬脈沖(chong)消失(shi))而(er)導致(zhi)的“移(yi)相失(shi)步(bu)”現(xian)象(xiang),在(zai)給定(ding)zui高轉(zhuan)速(su)信(xin)號時,主(zhu)電(dian)路(lu)輸出反(fan)而(er)為零(ling)或(huo)出現(xian)“跳(tiao)動電(dian)壓(ya)”,引(yin)起直流電(dian)機(ji)劇(ju)烈(lie)振動。R19的選(xuan)值(zhi),是(shi)使(shi)給(gei)定(ding)電壓(ya)的zui高(gao)電壓(ya)值(zhi),稍(shao)高於C11上(shang)鋸齒(chi)波電(dian)壓(ya)的“齒(chi)尖(jian)”,在給(gei)出zui低轉(zhuan)速(su)信(xin)號時,能(neng)使(shi)主(zhu)電(dian)路(lu)雙向晶(jing)閘管可靠(kao)關(guan)斷。本電路(lu)速度給(gei)定(ding)電壓(ya)範圍為8.45——1.1V,對(dui)就(jiu)輸出電壓(ya)範圍約(yue)為0——200V,為開(kai)環(huan)控制模(mo)式。在轉(zhuan)速(su)給(gei)定(ding)電路(lu)中,電容(rong)C11的正端接電(dian)源(yuan)+9V,負端接N1的6腳(jiao),該電(dian)容(rong)的作(zuo)用機(ji)理(li)是(shi)這樣的:假(jia)定(ding)沒有(you)該電(dian)容(rong)的存(cun)在,在(zai)調(tiao)速(su)板上(shang)電瞬間,當(dang)W2活動臂輸出電壓(ya)低(di)於N2的5腳(jiao)鋸齒(chi)波峰值(zhi)電壓(ya)時(shi),裝置得電,電機(ji)便(bian)會(hui)以較高(gao)速(su)度運(yun)行(xing),易發生意外(wai)。當(dang)增(zeng)設C11電容(rong)後(hou),上(shang)電瞬間,C11的充(chong)電電(dian)流使(shi)N1的6腳(jiao)產生壹個(ge)高(gao)電平(ping)跳(tiao)變(bian),N1的7腳(jiao)在上(shang)電瞬間為低(di)電(dian)平(ping),V1處於關斷(duan)狀(zhuang)態,電機(ji)不(bu)轉(zhuan)。隨(sui)著C11充(chong)電過程的完(wan)成,V1逐(zhu)漸(jian)開(kai)通(tong),電機(ji)按給定(ding)速度運(yun)轉(zhuan)。此(ci)後(hou),C11充電電流為零(ling),相(xiang)當(dang)於開(kai)路(lu),失去(qu)作用。