描述
1.在輸送功率相同、電壓相同及距離、線路損失相等的情況下,若采用這種辦法供電,發(fā)電機(jī)的體積可以選得小一些,重量輕一些,從而節(jié)省了材料;
2.在輸電方面,若采用截面積相同的輸電線,導(dǎo)線的條數(shù)可以減少1/3甚至1/2,大大節(jié)省了輸電線的用銅(或鋁)量;
3.在用電方面,廣泛使用三相電源供電的三相電動機(jī)比單相電源供電的單相電動機(jī),結(jié)構(gòu)簡單、價格低廉,機(jī)械震動小,性能平穩(wěn)可靠等。
由于具有上述優(yōu)點,所以在工農(nóng)業(yè)生產(chǎn)中三相交流電路獲得廣泛使用。
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歡迎來電詢價,我們將會給您最優(yōu)惠的價格!
主營:世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國AB)系列產(chǎn)品》
②Schneider(施耐德電氣)系列產(chǎn)品》
③General electric(通用電氣)系列產(chǎn)品》
④Westinghouse(美國西屋)系列產(chǎn)品》
⑤SIEMENS(西門子系列產(chǎn)品)》
⑥銷售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。
⑧Invensys Foxboro(??怂共_):I/A Series系統(tǒng),F(xiàn)BM(現(xiàn)場輸入/輸出模塊)
順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯控制系統(tǒng)、基于三重模件冗余(TMR)
結(jié)構(gòu)的zui現(xiàn)代化的容錯控制器。
⑨Siemens(西門子):Siemens MOORE,Siemens Simatic C1,Siemens數(shù)控系統(tǒng)等。
⑩Bosch Rexroth(博世力士樂):Indramat,I/O模塊,PLC控制器,驅(qū)動模塊等。
◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
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