描述
并聯(lián)熱備份。該系統(tǒng)將兩臺(tái)UPS的電池組輸入、整流器輸出及逆變器輸出并聯(lián),共用旁路。正常時(shí)兩臺(tái)整流器同時(shí)向兩逆變器供電,并向兩組電池充電,通過逆變器輸出靜態(tài)開關(guān)選擇其中一臺(tái)逆變器向負(fù)載電,兩臺(tái)整流器和逆變器分別互為備用。只有當(dāng)兩臺(tái)逆變器同時(shí)故障時(shí),系統(tǒng)將負(fù)載切至共同靜態(tài)旁路,由市電繼續(xù)向負(fù)載供電。該方案沒有瓶頸故障點(diǎn),任何一臺(tái)UPS局部或整體故障,系統(tǒng)仍能繼續(xù)向負(fù)載供電,由于真正輸出只有一臺(tái)逆變器,故也不存在逆變器間的環(huán)流,但由于此模式類似單機(jī)運(yùn)行模式,帶載能力相對(duì)差且不易擴(kuò)容。
主營(yíng):本特利,英維思,伍德沃德,??怂共_、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂,ACSO,
力士樂等各大品牌的DCS系統(tǒng)配件,機(jī)器人系統(tǒng)配件,大型伺服系統(tǒng)備件。
800 Amp Siemens ITE Sentron CMD63B800 Circuit Breaker
USED Advanced Micro Controls 1741 Resolver Interface
USED Pacific Scientific Model 5445 Indexer/Drive
800 Amp Square D SL800 Sub Feed Lug USED
USED Allen Bradley 2711-T10C1 PanelView 1000 Series D
NEW GE Fanuc IC693CMM301G Genius Communication Module
USED Mannesmann Rexroth VT-HNC100-1-13/?134 HNC100
USED Allen Bradley 1785-L80B/E PLC-5 Processor Module
USED Allen Bradley 2711-T10C1 PanelView 1000 Series D
USED Allen Bradley 2711-T10C1 PanelView 1000 Series C
USED Control Gaging Inc.Model 820 Grinding Monitor
USED GE 2500 A Spectra Bus Duct FJGBAAAZACD2222 Busway
USED Allen Bradley 2711E-T10C6 PanelView 1000e Series D
USED Siemens SHJD69200 Circuit Breaker 200 Amp
USED Xycom XVME-660 VMEbus Pentium III Processor Module
Coolant Sump Cleaner Cimcool Cim Cool Recovery Unit
Cecor Coolant Sump Cleaner Recovery Unit Single Phase
800 Amp Square D Molded Case Circuit Breaker MEC 836LI
800 Amp Square D Molded Case Circuit Breaker MEC 836LI