發布時間:2019-08-20 18:08:17
產品概述 Product brief account
HXGNO-12箱型固定式金屬封閉開關相(簡稱環網相)適用于交流50Hz, 10kV的網絡作為開斷負荷和短路及關合短路電流用。本環網相配用電手' 電動 彈簧機構來操作負荷開關,接電開關和隔離開關配用手動操作機構。
HXGND-12 tank fixed type metal enclosed switchgear(ring unit cubicle)is used for A.C 50Hz,10kV network as broken loading, short-circuit and closing short-circuit. The ring mainunit equiped with manual/electromagnet spring charged operated mechanism to operate loading s witch, earthing switch and isolating switch equiped with manual operated mechanism.
主要技術參數
額定電壓rated voltage 12kV
額定電流rated current 630A
主母線電流main busbar current 進銭柜 Incoming switch 630A
出線柜 outgoing switch 125A
額定短時耐受電流Main technical data 20kA
額定短路持續時間rated short-circuit constant time 4S
額定峰值耐受電流 rated peak withstand current 50kA
額定短路關合電流 rated short-circuit closing current 50kA
額定有功負載開斷電流 rated loading breaking current 630A
閉環開斷電流 sealed breaking current 630A
額定電纜充電電流 rated cable charging current 20kA
接地開關額定短時耐受電流 earthing switch rated short-time withstand current 20kA
接地開關額定短路持續時間 earthing switch rated short-circuit constant time 4(2)S
接地開關額定峰值耐受電流 earthing switch rated peak withstand current 50kA
接地開關額定短路關合電流 earthing switch rated short-circuit closing current 50kA
1 min額定工頻耐受電壓1 min rated fnequency withoutstand voltage
相間、相對地、真空負荷開關斷口 atanaieand rdative^vacuun loacfrig swtch breaking 42kV
隔離開關斷口 isolating switch breaking 48kV
額定雷電沖擊耐受電壓rated lightning Impulse wtthoutstand voltage
相間、相對地、真空負荷開關斷口 atemateand retative^vaojun baftigsMtEh breaking 75kV
隔離開關斷口 isolating switch breaking 85kV
機械壽命mechanical life
真空負荷開關 vacuum loading switch 10000次(time)
接地開關(刀)、隔離開關(刀) earthing switch, isolating switch 2000次(time)
交接電流connect electric curren3150A