氣體繼電器是用于帶儲(chǔ)油柜的油浸式變壓器和有載分接開關(guān)的一種保護(hù)裝置。它安裝在變壓器與儲(chǔ)油柜之間的連接管路中,采用了擋板式磁力接點(diǎn)結(jié)構(gòu)。當(dāng)變壓器(或有載分接開關(guān))在運(yùn)行中發(fā)生故障時(shí),變壓器油分解形成氣體,當(dāng)氣體達(dá)到一定容積時(shí),上浮子下沉,使得干簧接點(diǎn)閉合傳出報(bào)警信號(hào);當(dāng)變壓器(或有載分接開關(guān))在運(yùn)行中發(fā)生嚴(yán)重故障時(shí),變壓器內(nèi)將會(huì)出現(xiàn)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(hào);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(hào)。
我公司在原有氣體繼電器的基礎(chǔ)上做了全新改進(jìn),在不改變繼電器內(nèi)、外任何結(jié)構(gòu)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(或有載分接開關(guān))上。當(dāng)繼電器擋板動(dòng)作時(shí),該顯示裝置能標(biāo)識(shí)出該種動(dòng)作信號(hào),以區(qū)別繼電器發(fā)出的其他跳閘信號(hào),同時(shí)設(shè)計(jì)了動(dòng)作信號(hào)復(fù)位的裝置,以便消除故障后,使動(dòng)作信號(hào)恢復(fù)原位,給檢修和故障排除節(jié)省了大量的時(shí)間。
型號(hào)種類 Model type | 接線柱數(shù)量 Number of terminals | 接線方式 Connection mode | 出線孔數(shù)量 Number of outlet holes |
QJ2-25 | 2 | 單信號(hào) Single signal | 1 |
QJ3-25 | 4 | 單信號(hào),單跳閘 Single signal, single trip | 1 |
QJ4-25/50/80 | 5 | 單信號(hào),雙共用跳閘 Single signal, double shared trips | 1 |
QJ7-25/50/80 | 5 | 雙共用信號(hào),單跳閘 Double shared signals, single trip | 1 |
QJ10-50/80 | 6 | 雙公共信號(hào),雙共用跳閘 Double common signals, double shared trips | 1 |
QJ11-50/80 | 6 | 雙獨(dú)立信號(hào),單跳閘 Double independent signals, single trip | 1 |
QJ12-50/80 | 6 | 單信號(hào),雙獨(dú)立跳閘 Single signal, double independent trips | 1 |
QJ13-50/80 | 8 | 雙獨(dú)立信號(hào),雙獨(dú)立跳閘Double independent signals, double independent trips | 2 |
QJ20-80 | 8 | 單信號(hào),雙獨(dú)立跳閘,下浮子獨(dú)立跳閘 Single signal, double independent trips, lower floater independent trip | 2 |
型號(hào)種類 Model type | 接線柱數(shù)量 Number of terminals | 接線方式 Connection mode | 出線孔數(shù)量 Number of outlet holes |
QJ22-80 |
8 | 單信號(hào),三獨(dú)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(dú)立信號(hào),雙獨(dú)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(hào),三獨(dú)立跳閘,下浮子獨(dú)立跳閘 Single signal, three independent trips, lower floater independent trip. | 2 |
QJ33-80 |
10 | 雙獨(dú)立信號(hào),三獨(dú)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 |