氣體繼電器是用于帶儲油柜的油浸式變壓器和有載分接開(kāi)關(guān)的一種保護裝置。它安裝在變壓器與儲油柜之間的連接管路中,采用了擋板式磁力接點(diǎn)結構。當變壓器(或有載分接開(kāi)關(guān))在運行中發(fā)生故障時(shí),變壓器油分解形成氣體,當氣體達到一定容積時(shí),上浮子下沉,使得干簧接點(diǎn)閉合傳出報警信號;當變壓器(或有載分接開(kāi)關(guān))在運行中發(fā)生嚴重故障時(shí),變壓器內將會(huì )出現油的涌浪,油流沖擊繼電器擋板,擋板動(dòng)作使得干簧接點(diǎn)閉合發(fā)出跳閘信號;如果變壓器因漏油而使油面降低時(shí),繼電器也會(huì )發(fā)出跳閘信號。
我公司在原有氣體繼電器的基礎上做了全新改進(jìn),在不改變繼電器內、外任何結構的情況下,增加了繼電器擋板動(dòng)作就地顯示裝置(動(dòng)作指示功能)。它安裝在800KVA 及以上的油浸式變壓器(或有載分接開(kāi)關(guān))上。當繼電器擋板動(dòng)作時(shí),該顯示裝置能標識出該種動(dòng)作信號,以區別繼電器發(fā)出的其他跳閘信號,同時(shí)設計了動(dòng)作信號復位的裝置,以便消除故障后,使動(dòng)作信號恢復原位,給檢修和故障排除節省了大量的時(shí)間。
型號種類(lèi) Model type | 接線(xiàn)柱數量 Number of terminals | 接線(xiàn)方式 Connection mode | 出線(xiàn)孔數量 Number of outlet holes |
QJ2-25 | 2 | 單信號 Single signal | 1 |
QJ3-25 | 4 | 單信號,單跳閘 Single signal, single trip | 1 |
QJ4-25/50/80 | 5 | 單信號,雙共用跳閘 Single signal, double shared trips | 1 |
QJ7-25/50/80 | 5 | 雙共用信號,單跳閘 Double shared signals, single trip | 1 |
QJ10-50/80 | 6 | 雙公共信號,雙共用跳閘 Double common signals, double shared trips | 1 |
QJ11-50/80 | 6 | 雙獨立信號,單跳閘 Double independent signals, single trip | 1 |
QJ12-50/80 | 6 | 單信號,雙獨立跳閘 Single signal, double independent trips | 1 |
QJ13-50/80 | 8 | 雙獨立信號,雙獨立跳閘Double independent signals, double independent trips | 2 |
QJ20-80 | 8 | 單信號,雙獨立跳閘,下浮子獨立跳閘 Single signal, double independent trips, lower floater independent trip | 2 |
型號種類(lèi) Model type | 接線(xiàn)柱數量 Number of terminals | 接線(xiàn)方式 Connection mode | 出線(xiàn)孔數量 Number of outlet holes |
QJ22-80 |
8 | 單信號,三獨立跳閘,下浮子與跳閘共用一組接點(diǎn) Single signal, three independent trips, lower floater and trip share a set of contacts. |
2 |
QJ23-80 |
8 | 雙獨立信號,雙獨立跳閘,下浮子與跳閘共用一組接點(diǎn) Double independent signals, double independent trips, lower floater and trip share a set of contacts. |
2 |
QJ31-80 | 10 | 單信號,三獨立跳閘,下浮子獨立跳閘 Single signal, three independent trips, lower floater independent trip. | 2 |
QJ33-80 |
10 | 雙獨立信號,三獨立跳閘,下浮子與跳閘共用一組接點(diǎn) Double independent signals, double independent trips, lower floater and trip share a set of contacts. |
2 |