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時間:2008-04-29 16:37:00來æºï¼šyangliu
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摘è¦ï¼šå»£å·žç™¼(fÄ)é›»å» æœ‰é™å…¬å¸è¥¿æ‘ç†±é›»å» 1號é‹çˆçµ¦ç²‰æ©Ÿ(jÄ«)ç”±YCT一160—4A滑差電動機(jÄ«)改為TYPEY100一L1—4電動機(jÄ«)åŠACS 140(0.12~2.2 kwï¼‰è®Šé »å™¨æŽ§åˆ¶åŽï¼Œåœ¨ä¸€æ¬¡35 kV 系統(tÇ’ng)外線路用戶å´(cè)çŸè·¯æ•…éšœä¸ã€‚雖然繼電ä¿è·(hù)動作æ£ç¢ºï¼Œä½†ä»å¼•èµ·1號é‹çˆæ»…ç«ã€‚通éŽå°äº‹ä»¶åŽŸå› é€²(jìn)行分æžï¼Œå¾—出åˆç†çš„æ”¹é€²(jìn)方法,從而å°åŒé¡žè¨(shè)備的è¨(shè)計與改進(jìn)æå‡ºç›¸é—œ(guÄn)åƒè€ƒã€‚
é—œ(guÄn)éµè©žï¼šé‹çˆï¼› 給粉機(jÄ«)ï¼› è®Šé »å™¨ï¼› 飛輪; 機(jÄ«)械慣é‡
[b][align=center]Analysis of boiler flameout caused by an external line fault
ZENG Ling-jun,SHI Feng
(Ouangzhou Power Plant Co.,Ltd,,Guangzhou 51ï½›ï½160,China)[/align][/b]
Abstract:The pulverized fuel feeder was changed from YCT-160—4A motor to TYPEY100一L1—4 motor and ACS 140(0.12~2.2 kW )transducer for Unit 1 boiler in Xicun Cogeneration Power Plant under Ouangzhou Power Plant Co,, Ltd.In an accident caused by the outside 35 kV feeder line short—circuit damage, though the relay—set acted correctly,the pulverized fuel feeder still caused flameout in the bo iler.This paper analyzes the accident and brings forward rational improving measures.which can be referenced in the design and improvement of similar equipment.
Key wolds:bo iler; pulverized coal feeder;transducer; flywheel;mechanicalinertia
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