采用矢量控制方式的通用變頻器不僅可在調(diào)速范圍上與直流電動(dòng)機(jī)相匹配,而且可以控制異步電動(dòng)機(jī)產(chǎn)生的轉(zhuǎn)矩。由于矢量控制方式所依據(jù)的是準(zhǔn)確的被控異步電動(dòng)機(jī)的參數(shù),有的通用變頻器在使用時(shí)需要準(zhǔn)確地輸入異步電動(dòng)機(jī)的參數(shù),有的通用變頻器需要使用速度傳感器和編碼器,并需使用廠商指定的變頻器專(zhuān)用電動(dòng)機(jī)進(jìn)行控制,否則難以達(dá)到理想的控制效果。目前新型矢量控制通用變頻器中已經(jīng)具備異步電動(dòng)機(jī)參數(shù)自動(dòng)辨識(shí)、自適應(yīng)功能,帶有這種功能的通用變頻器在驅(qū)動(dòng)異步電動(dòng)機(jī)進(jìn)行正常運(yùn)轉(zhuǎn)之前可以自動(dòng)地對(duì)異步電動(dòng)機(jī)的參數(shù)進(jìn)行辨識(shí),并根據(jù)辨識(shí)結(jié)果調(diào)整控制算法中的有關(guān)參數(shù),從而對(duì)普通的異步電動(dòng)機(jī)進(jìn)行有效的矢量控制。除了上述的無(wú)傳感器矢量控制和轉(zhuǎn)矩矢量控制等,可提高異步電動(dòng)機(jī)轉(zhuǎn)矩控制性能的技術(shù)外,目前的新技術(shù)還包括異步電動(dòng)機(jī)控制常數(shù)的調(diào)節(jié)及與機(jī)械系統(tǒng)匹配的適應(yīng)性控制等,以提高異步電動(dòng)機(jī)應(yīng)用性能的技術(shù)。為了防止異步電動(dòng)機(jī)轉(zhuǎn)速偏差以及在低速區(qū)域獲得較理想的平滑轉(zhuǎn)速,應(yīng)用大規(guī)模集成電路并采用專(zhuān)用數(shù)字式自動(dòng)電壓調(diào)整(AVR)控制技術(shù)的控制方式,已實(shí)用化并取得良好的效果。
※推薦品牌: ※推薦 公司
Allen-Bradley 廈門(mén)泰尼電氣有限公司
Schneider 聯(lián)系人:小黃(銷(xiāo)售代表)
Triconex 固定電話:
FOXBORO QQ:2917675397
ABB 郵箱:2917675397@qq.c o m
SIEMENS 傳真:
MOTOROLA 網(wǎng)址:www.xmtaini.c o m
XYCOM 地址:廈門(mén)海滄街道濱湖一里7號(hào)
Rexroth Indramat 郵編:361026
Allen Bradley 1336T-MCB-SP33B 1336T-GT1-SP33B main control board AB 1336 T drive
Daihen P6768 T Printed Circuit Board Assembly 851590 P.C. Board P6768T00 A 23273
ABB DSQC 345 A 3HAB8101-1 Atlas Copco Servo Drive Unit SC4 Robot DSQC345A
General Electric AKR-7D-30S 800 Amp LI Air Breaker RMS-9 MVT TS20LI AKR7D30S GE
ABB DSQC 346 E 3HAB8101-11 Atlas Copco Servo Drive Unit Robot DSQC346E
General Electric AKR-7D-30S LI 800 Amp Air Breaker RMS-9 TS20LIT1 AKR7D30S GE
Allen-Bradley PowerFlex 700S 10 HP 480V AC VS Drive 20DD014A0EYNANNNA 7.5 HP AB
Allen-Bradley PowerFlex 700S 10 HP 480V AC VS Drive 20DD014A0NYNANNNA 7.5 HP AB
Allen-Bradley PowerFlex 700S 10 HP 480V AC VS Drive 20DD014A3EYNANNNA 7.5 HP AB
Reliance Electric 805405-1R Distributed Power System Field Power Module AutoMate
Allen-Bradley PowerFlex 700S 10 HP 480V AC VS Drive 20DD014A0EYNANNNN 10HP AB
ABB DSQC 346 E 3HAB8101-11/05D Atlas Copco Servo Drive Unit Robot DSQC346E
CH/Westinghouse HND3800T32W 800A Breaker w/8NES800T Digitrip RMS310 800 Amp Trip
Cutler Hammer Unitrol 800 Amp Main Breaker MCC Bucket 36" MCCB 800A MS360800
Allen-Bradley 1336S-B040-AN-EN4-HAP-L6 Series D 40 HP AC VS Drive 480V AB 40HP
CH/Westinghouse HND3800T32W 800 Amp Breaker 800A HND Digitrip RMS310 8NES800T
Square D PAF362000DC-1680 2000 Amp PAF Breaker PAF362000DC1680 600V
Sew Eurodrive K47DT80 1 HP Ratio:69.84 Gear Reducer
Gould Modicon J474 484 Communication Option(Slave)
GE Fanuc IC600RP551M Rack Chassis RPU IC600RP551-M
GE Fanuc IC600RP551K Rack Chassis RPU IC600RP551-K
GE Fanuc IC600RP551L Rack Chassis RPU IC600RP551-L
Allen Bradley 1400-PB51A Power Monitor Powermonitor 1.2 AB 1400PB51A
Allen Bradley 1394C-AM04 3KW AC Servo Controller Axis Module AB 1394CAM04
Honeywell NXS0250A1001 25HP VS Drive 380-500V 25 HP VFD Variable Frequency 480V
Siemens-Allis RL-1600 400A Air Breaker 400 Amp Static Trip II Type TIG(3T) LIG
Square D 100kVA 600/120/240 Transformer 1PH 100S5H 100 kVA V
Allen-Bradley 20AD022A0AYNANNN 15 HP PowerFlex 70 AC VS Drive 480V AB 15HP
Westinghouse DB25 DB 25 600 Amp Digitrip RMS/R 500 CLS
Square D MJA36400 400 Amp I-Line PowerPact Breaker MJ 400 600V Power-Pact 400A
Square D ME36500LI 800A Frame I-Line Breaker RP100 500 Amp Trip LI ME36500
Square D ME36500LI 800 Amp Frame I-Line Breaker RP063 500 Amp Trip LI ME36500
Fisher Controls 1151LLT4E22A0M1 Transmitter 275 PSI 45 VDC 1151-LLT4E22A0M1
General Electric High IC TJL6S 400 Amp RMS-9 MicroVersaTrip A GE
Eaton Cutler Hammer HVX030A2-4A1B1CB 30 HP VS Drive NNB
Siemens Breaker HJX3B400 HJGA JG 400 Amp 600V HJX
Westinghouse ND312TW 1200 Amp Breaker 12NES1000T 600VAC 1000A Seltronic 3P ND 50
Allis-Chalmers LA-1600 1600A Breaker 600V 1600 Amp A AC-Pro PT Module B-650 MO
General Electric THKR4612 Breaker 1200 Amp THKR GE 600V THKR 4612
ASEA SEK 1600K3 SEK1600K3 Contactor 1600 Amp 1600A A 手機(jī):18950191386