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在電力系統(tǒng)中，溫度是表征一次設(shè)備運(yùn)行是否正常的一個(gè)重要參數(shù)。尤其是一次設(shè)備的連接部位，由于設(shè)備制造的原因、設(shè)備受環(huán)境污染、設(shè)備長期運(yùn)行、嚴(yán)重超載運(yùn)行、觸點(diǎn)氧化、電弧沖擊等原因造成接觸電阻增大。因此在電能傳輸時(shí)往往會在電纜連接處產(chǎn)生發(fā)熱現(xiàn)象，而且，發(fā)熱問題是一個(gè)不斷累積的過程，如果不加以控制，發(fā)熱程度不斷加劇，并對絕緣件的性能及設(shè)備壽命產(chǎn)生很大影響。
近年來，由于各種建筑電力的用電量需求不斷增大，使原來的電路接線方式在施工時(shí)帶來許多困難。而且要變更配電系統(tǒng)時(shí)，困難重重。所以，母線槽的走線方案應(yīng)勢而起。由于母線槽上有多個(gè)連接頭、插接頭及插接箱，帶來方便的同時(shí)，也存在發(fā)熱隱患。為解決母線槽上連接處的發(fā)熱問題，我公司專門開發(fā)了針對母線槽測溫的在線監(jiān)測系統(tǒng)。
In electrical power system, temperature is an important parameter to indicate whether the primary equipment operates normally.Especially the connection part of primary equipment,The contact resistance increases due to the reasons of equipment manufacturing, environmental pollution, long-term operation, serious overload operation, contact oxidation and arc impact.Therefore, heating phenomenon will occur at the cable connection when the electric energy is transmitted.Moreover, the heating problem is a cumulative process, if not controlled in time, the degree of heating will continue to intensify, and has a great impact on the performance of insulation parts and equipment life.
In recent years,due to increasing demands for various construction electric power,previous wiring method brings many difficulties in construction.And it is difficult to change the distribution system.So the wire running scheme of busbar arises following the situation.because the busbar has many connectors,connecting plugs and jack boxes,leads to the hidden danger of heating while bringing convenience.In order to resolve heating problem of connection on busbar,we especially develop and design an online monitoring system to measure busbar temperature.
