描述
帶鐵芯的交流電抗器的電感量不宜用電橋測量,因?yàn)闇y電感電橋的電源頻率一般是采用1000Hz,因此測電感電橋只可用于測量空心電抗器。對于用硅鋼片疊制而成的交流電抗器,電感量的測量可用工頻電源的交流電壓表——電流表法測量。8結(jié)語三種電抗器對變頻器系統(tǒng)的穩(wěn)定、可靠運(yùn)行,是有很大的作用,其中以進(jìn)線電抗器作用最大,通常進(jìn)線電抗器是必選的。國產(chǎn)電抗器質(zhì)量良好,造價低廉,值得推廣應(yīng)用。
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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。
DWYER RMA-45-SSV
DWYER VFA-26-SSV
APPLIED MATERIALS 0190-70080
LAM Research 2300927
LAM Research 715-009306-006
LAMBDA LLS6008
LAMBDA LRS-54-24
NOAH PRECISION 2003
PARKER ZZ-1320
RFPP LF-5
TYLAN FC-260
TYLAN FC-280S
UNIT UFC-1000
UNIT 1000HP
VARIAN 112100002
APPLIED MATERIALS 0010-00157
APPLIED MATERIALS 0010-02017
APPLIED MATERIALS 0010-09021
APPLIED MATERIALS 0010-09490
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APPLIED MATERIALS AMAT-1 0010-70065
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