電(dian)力(li)(li)(li)線載(zai)(zai)波通(tong)信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)G3-PLC調(diao)(diao)制(zhi)(zhi)技(ji)術概述：1、電(dian)力(li)(li)(li)線載(zai)(zai)波通(tong)信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)是指利用現有(you)的(de)(de)(de)電(dian)力(li)(li)(li)線，通(tong)過載(zai)(zai)波方(fang)(fang)式(shi)將模擬信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)號或數字信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)號進行(xing)高(gao)速(su)傳遞的(de)(de)(de)技(ji)術，在電(dian)力(li)(li)(li)線載(zai)(zai)波通(tong)信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)系統中(zhong)(zhong)比較基(ji)本的(de)(de)(de)一(yi)(yi)項任(ren)務就是根據通(tong)信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)道的(de)(de)(de)不(bu)(bu)同(tong)(tong)選擇(ze)不(bu)(bu)同(tong)(tong)的(de)(de)(de)調(diao)(diao)制(zhi)(zhi)方(fang)(fang)式(shi)。2、一(yi)(yi)般來(lai)說，基(ji)帶信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)號含有(you)直流(liu)分(fen)量(liang)和頻(pin)率較低的(de)(de)(de)頻(pin)率分(fen)量(liang)，往往不(bu)(bu)能作為(wei)傳輸(shu)信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)號在信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)道中(zhong)(zhong)直接傳輸(shu)，因(yin)此，必須(xu)把基(ji)帶信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)號轉變成為(wei)一(yi)(yi)個(ge)相(xiang)(xiang)對基(ji)帶頻(pin)率而言(yan)非(fei)常高(gao)的(de)(de)(de)帶通(tong)信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)號（已調(diao)(diao)信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)號）以(yi)(yi)適(shi)合于信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)道傳輸(shu)。3、一(yi)(yi)個(ge)通(tong)信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)系統的(de)(de)(de)質量(liang)再很大(da)程(cheng)度上依賴于所采用的(de)(de)(de)調(diao)(diao)制(zhi)(zhi)方(fang)(fang)式(shi)。調(diao)(diao)制(zhi)(zhi)時(shi)為(wei)了(le)使信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)號特(te)(te)征(zheng)(zheng)與信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)道特(te)(te)征(zheng)(zheng)相(xiang)(xiang)匹配，因(yin)此，調(diao)(diao)制(zhi)(zhi)方(fang)(fang)式(shi)的(de)(de)(de)選擇(ze)是由系統中(zhong)(zhong)信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)道特(te)(te)性來(lai)決定的(de)(de)(de)。顯(xian)然不(bu)(bu)同(tong)(tong)類型的(de)(de)(de)信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)道特(te)(te)征(zheng)(zheng)，將相(xiang)(xiang)應存在著不(bu)(bu)同(tong)(tong)類型的(de)(de)(de)調(diao)(diao)制(zhi)(zhi)方(fang)(fang)式(shi)。電(dian)力(li)(li)(li)線載(zai)(zai)波通(tong)信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)G3-PLC可用于智慧家居以(yi)(yi)實(shi)現網(wang)上控制(zhi)(zhi)和互(hu)聯。江蘇工業物聯網(wang)電(dian)力(li)(li)(li)線通(tong)信(xin)(xin)(xin)(xin)(xin)(xin)(xin)(xin)G3-PLC芯片

電(dian)(dian)(dian)(dian)力(li)線載(zai)(zai)波通(tong)(tong)信(xin)G3-PLC，使用我們平時所常見的(de)電(dian)(dian)(dian)(dian)力(li)線本身作為通(tong)(tong)信(xin)介質，是智能電(dian)(dian)(dian)(dian)網采集中較(jiao)具先天優(you)勢的(de)通(tong)(tong)信(xin)方(fang)式。但在(zai)實際應(ying)用中，電(dian)(dian)(dian)(dian)力(li)線受電(dian)(dian)(dian)(dian)抗和負載(zai)(zai)干(gan)擾(rao)(rao)的(de)影響(xiang)，信(xin)號衰減較(jiao)大，直接影響(xiang)其通(tong)(tong)信(xin)的(de)可靠性。為了使其信(xin)號傳輸(shu)的(de)穩(wen)定性提升，研究發現OFDM方(fang)式抵抗「多徑效(xiao)應(ying)」和干(gan)擾(rao)(rao)的(de)效(xiao)果明(ming)顯(xian)，頻譜的(de)利用率也(ye)較(jiao)高，也(ye)是目前電(dian)(dian)(dian)(dian)力(li)線載(zai)(zai)波使用較(jiao)為普遍的(de)調制(zhi)方(fang)式；而FSK、PSK適用干(gan)擾(rao)(rao)程度較(jiao)小或(huo)者(zhe)(zhe)干(gan)擾(rao)(rao)穩(wen)定的(de)情況，將兩者(zhe)(zhe)結合優(you)化，再加上(shang)有(you)關電(dian)(dian)(dian)(dian)力(li)線載(zai)(zai)波通(tong)(tong)信(xin)信(xin)道阻抗和衰減特征實際測得的(de)數據支(zhi)持，就可以形成(cheng)一套完整的(de)相關模擬方(fang)案。江蘇(su)工(gong)(gong)業物聯(lian)網電(dian)(dian)(dian)(dian)力(li)線通(tong)(tong)信(xin)G3-PLC芯片(pian)G3-PLC技術主要應(ying)用于智能計(ji)量、智能電(dian)(dian)(dian)(dian)網、智能家電(dian)(dian)(dian)(dian)和工(gong)(gong)業物聯(lian)網。

電(dian)(dian)(dian)力(li)線(xian)(xian)(xian)載波(bo)通(tong)信(xin)(xin)G3-PLC的(de)(de)(de)功(gong)能(neng)(neng)(neng)特點分(fen)析：電(dian)(dian)(dian)力(li)線(xian)(xian)(xian)載波(bo)通(tong)信(xin)(xin)G3-PLC是(shi)通(tong)過電(dian)(dian)(dian)力(li)線(xian)(xian)(xian)實現(xian)調(diao)制解(jie)調(diao)功(gong)能(neng)(neng)(neng)的(de)(de)(de)專門(men)的(de)(de)(de)芯片，其基(ji)礎功(gong)能(neng)(neng)(neng)是(shi)使(shi)得在(zai)電(dian)(dian)(dian)力(li)線(xian)(xian)(xian)上(shang)的(de)(de)(de)用電(dian)(dian)(dian)器(qi)能(neng)(neng)(neng)夠實現(xian)雙(shuang)向通(tong)信(xin)(xin)，以(yi)達到用電(dian)(dian)(dian)器(qi)的(de)(de)(de)測量、傳(chuan)感、控制等智(zhi)(zhi)能(neng)(neng)(neng)化目標，是(shi)各類終端產品進(jin)行PLC通(tong)信(xin)(xin)的(de)(de)(de)關(guan)鍵(jian)部件之一，電(dian)(dian)(dian)力(li)線(xian)(xian)(xian)載波(bo)通(tong)信(xin)(xin)G3-PLC集(ji)成于載波(bo)電(dian)(dian)(dian)能(neng)(neng)(neng)表、采集(ji)器(qi)、集(ji)中器(qi)中，用于自動抄讀電(dian)(dian)(dian)能(neng)(neng)(neng)量數據，是(shi)電(dian)(dian)(dian)網公司用電(dian)(dian)(dian)信(xin)(xin)息(xi)采集(ji)系(xi)(xi)統的(de)(de)(de)關(guan)鍵(jian)部件，而用電(dian)(dian)(dian)信(xin)(xin)息(xi)采集(ji)系(xi)(xi)統是(shi)智(zhi)(zhi)能(neng)(neng)(neng)電(dian)(dian)(dian)網建設的(de)(de)(de)重要組成部分(fen)。我們聯芯通(tong)強大的(de)(de)(de)研發團隊在(zai)通(tong)信(xin)(xin)和網絡IC設計方面擁有(you)20多年的(de)(de)(de)經驗，并(bing)擁有(you)一些關(guan)鍵(jian)的(de)(de)(de)行業技術。

電(dian)力(li)(li)線載波通(tong)(tong)(tong)信G3-PLC在智(zhi)(zhi)能電(dian)網(wang)市場需求：配合(he)中國的用(yong)(yong)電(dian)制度改變，以計算機為(wei)(wei)(wei)基(ji)礎(chu)的自動(dong)抄表系(xi)統成為(wei)(wei)(wei)電(dian)力(li)(li)部門(men)響應國家(jia)這一政策的解決(jue)方法。自動(dong)抄表系(xi)統目(mu)前(qian)主要(yao)有有線通(tong)(tong)(tong)信技術(shu)和電(dian)力(li)(li)載波通(tong)(tong)(tong)信技術(shu)兩種。有線通(tong)(tong)(tong)信技術(shu)作為(wei)(wei)(wei)傳統方法，以其穩定性(xing)占有優勢。但(dan)有線通(tong)(tong)(tong)信鋪(pu)線工程浩(hao)大，而且容易(yi)被人(ren)為(wei)(wei)(wei)損壞;同時居(ju)民(min)樓已建成，再在墻壁表面拉線，不能讓居(ju)民(min)接受。電(dian)力(li)(li)載波通(tong)(tong)(tong)信技術(shu)能有效解決(jue)上述問題，它(ta)利(li)用(yong)(yong)現(xian)有交流電(dian)源線作為(wei)(wei)(wei)通(tong)(tong)(tong)信線路(lu)，省去了不切實際(ji)的鋪(pu)線工程，優勢明顯(xian)。自動(dong)抄表系(xi)統還適用(yong)(yong)于水表、煤氣表等家(jia)用(yong)(yong)生活表。我們聯芯通(tong)(tong)(tong)的產品為(wei)(wei)(wei)客戶的IIoT應用(yong)(yong)提(ti)供(gong)強(qiang)大的支持(chi)。電(dian)力(li)(li)線載波通(tong)(tong)(tong)信G3-PLC可以應用(yong)(yong)在家(jia)居(ju)智(zhi)(zhi)能化系(xi)統中。

電(dian)(dian)(dian)力(li)線(xian)載(zai)(zai)(zai)(zai)波通(tong)(tong)(tong)(tong)信G3-PLC可以應(ying)(ying)(ying)用(yong)于(yu)智(zhi)(zhi)慧城市、智(zhi)(zhi)慧家居(ju)和工業控(kong)(kong)(kong)制領域(yu)。例如，電(dian)(dian)(dian)力(li)線(xian)載(zai)(zai)(zai)(zai)波通(tong)(tong)(tong)(tong)信可用(yong)于(yu)智(zhi)(zhi)慧路燈以實現實時控(kong)(kong)(kong)制、故障監測和節能(neng)控(kong)(kong)(kong)制，可用(yong)于(yu)智(zhi)(zhi)慧家居(ju)以實現網上控(kong)(kong)(kong)制和互(hu)聯(lian)，可用(yong)于(yu)智(zhi)(zhi)能(neng)化(hua)小區對高層樓宇用(yong)電(dian)(dian)(dian)、小區公共照明等(deng)進行遠(yuan)程(cheng)智(zhi)(zhi)能(neng)化(hua)管理，還(huan)可以用(yong)于(yu)光伏能(neng)源接入(ru)進行分布式光伏發電(dian)(dian)(dian)逆變控(kong)(kong)(kong)制和管理等(deng)，此外(wai)，電(dian)(dian)(dian)力(li)線(xian)載(zai)(zai)(zai)(zai)波通(tong)(tong)(tong)(tong)信也(ye)可應(ying)(ying)(ying)用(yong)于(yu)停(ting)車場管理系(xi)統、公共信息顯示系(xi)統、安全防(fang)盜及消防(fang)報警系(xi)統等(deng)。目前，隨著物聯(lian)網的迅速(su)發展，物聯(lian)網領域(yu)已成為電(dian)(dian)(dian)力(li)線(xian)載(zai)(zai)(zai)(zai)波通(tong)(tong)(tong)(tong)信的重(zhong)要應(ying)(ying)(ying)用(yong)領域(yu)，而泛在電(dian)(dian)(dian)力(li)物聯(lian)網的建設(she)，有望在未(wei)來成為電(dian)(dian)(dian)力(li)線(xian)載(zai)(zai)(zai)(zai)波通(tong)(tong)(tong)(tong)信應(ying)(ying)(ying)用(yong)的另一(yi)個爆發點。電(dian)(dian)(dian)力(li)線(xian)載(zai)(zai)(zai)(zai)波通(tong)(tong)(tong)(tong)信G3-PLC是通(tong)(tong)(tong)(tong)過電(dian)(dian)(dian)力(li)線(xian)實現調制解調功能(neng)的專門的芯(xin)片。街道(dao)照明G3-PLC電(dian)(dian)(dian)力(li)線(xian)載(zai)(zai)(zai)(zai)波通(tong)(tong)(tong)(tong)信芯(xin)片調制方式

聯(lian)芯(xin)通(tong)電(dian)力線載波通(tong)信G3-PLC的特性是(shi)什么？江蘇工業物聯(lian)網(wang)電(dian)力線通(tong)信G3-PLC芯(xin)片

電(dian)(dian)(dian)(dian)力線(xian)載(zai)波(bo)(bo)(bo)通(tong)(tong)信(xin)G3-PLC的衰(shuai)減(jian)與(yu)頻(pin)率的平方(fang)根(gen)成(cheng)正比，且具有(you)時(shi)變(bian)性。工頻(pin)運行(xing)方(fang)式的改變(bian)、線(xian)路換位、其它載(zai)波(bo)(bo)(bo)機(ji)帶外亂真發(fa)射、載(zai)波(bo)(bo)(bo)通(tong)(tong)道間的串擾、線(xian)路分(fen)支線(xian)的長短(duan)以及絕緣子污穢(hui)、刮強風、下小雨、線(xian)路冰凌及阻波(bo)(bo)(bo)器(qi)調(diao)(diao)諧線(xian)圈性能等多(duo)種因素會對載(zai)波(bo)(bo)(bo)通(tong)(tong)道的衰(shuai)減(jian)產生(sheng)影響。為此，電(dian)(dian)(dian)(dian)力線(xian)載(zai)波(bo)(bo)(bo)機(ji)必須(xu)設置至少大于30dB范圍的自(zi)動增(zeng)益調(diao)(diao)整電(dian)(dian)(dian)(dian)路。一(yi)般來(lai)說(shuo)，從(cong)500kV到220V（電(dian)(dian)(dian)(dian)壓(ya)等級(ji)從(cong)高到低），電(dian)(dian)(dian)(dian)壓(ya)越(yue)(yue)低線(xian)路衰(shuai)減(jian)越(yue)(yue)大，時(shi)變(bian)性越(yue)(yue)強，建立通(tong)(tong)道越(yue)(yue)困難。有(you)時(shi)在中(zhong)壓(ya)或(huo)低壓(ya)配電(dian)(dian)(dian)(dian)網(wang)(wang)載(zai)波(bo)(bo)(bo)通(tong)(tong)道的衰(shuai)減(jian)大到難以實現通(tong)(tong)信(xin)的狀況時(shi)，設計人員不得(de)不采用特殊的通(tong)(tong)信(xin)方(fang)式或(huo)設計多(duo)通(tong)(tong)道電(dian)(dian)(dian)(dian)路來(lai)自(zi)動進行(xing)選擇。江蘇工業物聯網(wang)(wang)電(dian)(dian)(dian)(dian)力線(xian)通(tong)(tong)信(xin)G3-PLC芯片

本文來自深圳市鑫尚雅電子有限(xian)公司：//xcnyxxfw.cn/Article/65c05399881.html