描述
對(duì)于現(xiàn)有電機(jī)進(jìn)行變頻調(diào)速改造時(shí),由于自冷電機(jī)在低速運(yùn)行時(shí)冷卻能力下降造成電機(jī)過熱。此外,因?yàn)樽冾l器輸出波形中所含有的高次諧波勢(shì)必增加電機(jī)的鐵損和銅損,因此在確認(rèn)電機(jī)的負(fù)載狀態(tài)和運(yùn)行范圍之后,采取以下的相應(yīng)措施:對(duì)電機(jī)進(jìn)行強(qiáng)冷通風(fēng)或提高電機(jī)規(guī)格等級(jí);更換變頻專用電機(jī);限定運(yùn)行范圍,避開低速區(qū)。
我們這里有您急需的停產(chǎn)備件,
優(yōu)勢(shì)現(xiàn)貨,詢不到的,買不到的,請(qǐng)聯(lián)系我們!
絕 對(duì)優(yōu)勢(shì),絕 對(duì)低價(jià)!絕 對(duì)正品,優(yōu)質(zhì)的產(chǎn)品,一流的服務(wù),充足的庫(kù)存,
歡迎來電詢價(jià),我們將會(huì)給您最優(yōu)惠的價(jià)格!
主營(yíng):世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國(guó)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(guó)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(chǎng)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(hào)處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯(cuò)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(cuò)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(dòng)模塊等。
◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
APPLIED MATERIALS 3620-01011
APPLIED MATERIALS 3700-01007
APPLIED MATERIALS 3700-01032
APPLIED MATERIALS 3700-01034
APPLIED MATERIALS 3700-01035
APPLIED MATERIALS 3700-01036
APPLIED MATERIALS 3700-01039
APPLIED MATERIALS 3700-01040
APPLIED MATERIALS 3700-01056
APPLIED MATERIALS 3700-01060
APPLIED MATERIALS 3700-01073
APPLIED MATERIALS 3700-01082
APPLIED MATERIALS 3700-01087
APPLIED MATERIALS 3700-01088
APPLIED MATERIALS 3700-01094
APPLIED MATERIALS 3700-01095
APPLIED MATERIALS 3700-01168
APPLIED MATERIALS 3700-01217
APPLIED MATERIALS 3700-01225
APPLIED MATERIALS 3700-01243
APPLIED MATERIALS 3700-01285
APPLIED MATERIALS 3700-01298
APPLIED MATERIALS 3700-01326
APPLIED MATERIALS 3700-01330
APPLIED MATERIALS 3700-01337
APPLIED MATERIALS 3700-01343
APPLIED MATERIALS 3700-01345
APPLIED MATERIALS 3700-01347
APPLIED MATERIALS 3700-01351
APPLIED MATERIALS 3700-01364
APPLIED MATERIALS 3700-01366
APPLIED MATERIALS 3700-01371
APPLIED MATERIALS 3700-01374
APPLIED MATERIALS 3700-01381
APPLIED MATERIALS 3700-01416
APPLIED MATERIALS 3700-01426
APPLIED MATERIALS 3700-01429
APPLIED MATERIALS 3700-01457
APPLIED MATERIALS 3700-01466
APPLIED MATERIALS 3700-01474
APPLIED MATERIALS 3700-01475
APPLIED MATERIALS 3700-01480
APPLIED MATERIALS 3700-01494
APPLIED MATERIALS 3700-01502
APPLIED MATERIALS 3700-01509
APPLIED MATERIALS 3700-01593
APPLIED MATERIALS 3700-01595
APPLIED MATERIALS 3700-01642
APPLIED MATERIALS 3700-01655
APPLIED MATERIALS 3700-01731
APPLIED MATERIALS 3700-01828
APPLIED MATERIALS 3700-01852
APPLIED MATERIALS 3700-01863
APPLIED MATERIALS 3700-01959
APPLIED MATERIALS 3700-02183
APPLIED MATERIALS 3700-02225
APPLIED MATERIALS 3700-02319
APPLIED MATERIALS 3700-02359
APPLIED MATERIALS 3700-02411
APPLIED MATERIALS 3700-02447
APPLIED MATERIALS 3700-02721
APPLIED MATERIALS 3700-02755
APPLIED MATERIALS 3700-90054
APPLIED MATERIALS 3700-90191
APPLIED MATERIALS 3700-90389
APPLIED MATERIALS 3700-99005
APPLIED MATERIALS 3870-01215
APPLIED MATERIALS 3870-02238
APPLIED MATERIALS 3920-01080
APPLIED MATERIALS 4020-01061
3M 031-808126
ACME TRANSFORMER TA-2-81325
ADELIN ADELIN1V4
ADVANCE DS-7270-131-PP-4
ADVANCE PCV-4240-42RVDE
ADVANCED CRYSTAL SCIENCES 50024
ADVANCED ENERGY 2194-015-T
ADVANCED ENERGY 3150010-001
ADVANCED ENERGY 3152012-041
ADVANCED ENERGY 3152012-043