戶外38kV 35kV重合器分界斷路器電容器開(kāi)關(guān)NKG（交流或直流）
NKG-40.5戶外真空斷路器是三相交流50HZ的戶外高壓電器設(shè)備；適用于24~40.5KV輸配電系統(tǒng)的控制和保護(hù)；也可適用于前落斷路器及開(kāi)合電容器組的場(chǎng)合；本產(chǎn)品可配合看門狗分界控制器，重合器可實(shí)現(xiàn)電力系統(tǒng)智能化分界，重合控制。并可內(nèi)附電流互感器供測(cè)量與保護(hù)用，斷路器可配彈簧或電磁操動(dòng)機(jī)構(gòu)，機(jī)械性能可靠，可頻繁操作，無(wú)火災(zāi)和爆炸隱患；斷路器符合國(guó)家標(biāo)準(zhǔn)GB1984-1989《交流高壓斷路器》和國(guó)際電工委員會(huì)IEC56、IEC62271-100《高壓交流斷路器》的要求。斷路器的主要的特點(diǎn)：開(kāi)斷性能優(yōu)良，采用真空滅弧，開(kāi)斷能力強(qiáng)，機(jī)械壽命高達(dá)10000次；結(jié)構(gòu)簡(jiǎn)單，面維護(hù)，不檢修周期長(zhǎng)；絕緣性能好，抗污穢能力強(qiáng)；可根據(jù)客戶要求內(nèi)裝電流互感器，計(jì)量精度達(dá)0.2S級(jí)，可實(shí)現(xiàn)三相互動(dòng)保護(hù)。
NKG-40.5 outdoor vacuum circuit breaker is a three-phase AC 50Hz outdoor high-voltage electrical equipment; applicable to 24~40.5KV transmission and distribution system control and protection, but also can be used to fall in front of circuit breaker and closing a capacitor group occasions. This product can be matched with the watchdog boundary controller, recloser can realize power system intelligent demarcation and registration control. And containing current transformer for measurement and protection, circuit breaker can be with spring or electromagnetic actuator, reliable mechanical performance, frequent operation, no fire and explosion danger; circuit breaker conforms to the requirements of national standards GB1984-1989 "AC high voltage circuit breaker" and the International Electrotechnical Commission IEC56, IEC62271-100 the high-voltage alternating current circuit breakers,. The main characteristic of circuit breaker: breaking the excellent performance, using vacuum arc extinguish, strong breaking capacity, mechanical life of up to 10000 times; has the advantages of simple structure, maintenance, maintenance cycle for long; good insulation performance, strong anti contamination ability; can according to the customer requirements in the current mutual inductor, precision quantity of 0.2S grade, realize the protection of the three-phase interaction.
技術(shù)參數(shù)
| 項(xiàng)目 | 單位 | 參數(shù) |
| 額定電壓 | KV | 15 | 24 | 36 | 40.5 |
| 額定絕緣水平 | 1min工頻耐壓 | 50 | 60 | 70 | 95 |
| 雷電沖擊耐壓（峰值） | 110 | 150 | 170 | 185 |
| 額定電流 | a | 630/1000/1250/1600/2000 |
| 額定短路開(kāi)斷電流 | ka | 12.5/16/20/25/31.5 |
| 額定操作順序 |
| o-0.3s-co-180s-co |
| 額定短路電流開(kāi)斷次數(shù) | 次 | 12 |
| 額定短路關(guān)合電流（峰值） | ka | 50,63,80 |
| 額定峰值耐受電流 |
| 額定短時(shí)耐受電流 | ka | 20,25,31.5 |
| 真空滅弧室觸頭開(kāi)距 | mm | 22+ -2 |
| 真空滅弧室觸頭超行程 | mm | 5+ -1 |
| 相間中心距離 | mm | 710 |
| 平均分閘速度 | ms | 1.5±0.20 | 1.5±0.20 | 1.5±0.20 | 1.5±0.20 |
| 平均合閘速度 | 0.7±0.20 | 0.7±0.20 | 0.7±0.20 | 0.7±0.20 |
| 觸頭合閘彈跳時(shí)間 | ≤2 | ≤2 | ≤2 | ≤2 |
| 三相分、合閘不同期性 | ≤2 | ≤2 | ≤2 | ≤2 |
| 合閘時(shí)間 | ≤145 | ≤145 | ≤150 | ≤150 |
| 分閘時(shí)間 | ≤70 | ≤70 | ≤70 | ≤70 |
| 機(jī)械壽命 | 次 | 10000 |
| 額定操作電壓及輔助回路額定電壓 | v | dc220,110,48,24 |
| ac220,110,48,24 |
| 沒(méi)相回路支流電阻（不含互感器） | μΩ | ≤100 |
| 動(dòng)靜觸頭允許磨損累計(jì)厚度 | mm | 3 |
| 重量 | Kg | 1000 |
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