詳細介紹
PC-E984-685
PC-E984-685
主營產品: AB,ABB,GE,本特利,福克斯波羅,英維斯,西屋,艾默生,橫河
**,大量現貨,提供一年質保,15天包退換。
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1.原理圖
2.工作過程分析
轉換開關SA處在“正轉”位置,電動機正轉;轉換開關SA處在“反轉”位置,電動機的相序改變,電動機反轉;轉換開關SA處在“停止”位置,電源被切斷,電動機停車。
電動機處于正轉狀態時,欲使之反轉,必須把手柄扳到“停止”位置,先使電動機停轉,然后再把手柄扳至“反轉”位置。如直接由“正轉”扳至“反轉”,因電源突然反接,會產生很大的沖擊電流,燒壞轉換開關和電動機定子繞組。
3.電氣線路特點
優點:所用電器少,控制簡單
缺點:頻繁換向時,操作不方便,無欠壓,零壓保護,只能適合于容量5.5KW以下的電動機的控制。
POWER-ONE 24VDC 3.6A DC POWER SUPPLY HN24-3.6-A NIB
AEG MODICON 115V .3A 50/60Hz POWER SUPPLY 110CPU31101
ACOPIAN REGULATED POWER SUPPLY VA24MT
NUMATICS FILTER F32D-04 W/ R32R-04
LAMBDA JWS50-24/A 100-240 VAC 50/60 HERTZ POWER SUPPLY, NIB
GENERAL ELECTRIC POWER SUPPLY BOARD F31X111PSHAFG1 FR00/0 / 531X111PSHAGG1
HONEYWELL POWER SUPPLY UNIT 46182895-001
MURR ELEKTRONIK 24V 50A DC POWER SUPPLY 85798 MDG 50-208-520/24V DC/50A
EGS SOLO HEVI-DUTY 24 VDC/2.5A POWER SUPPLY SDN 2.5-24-100P
RELIANCE ELECTRIC RECTIFIER POWER CUBE 701819-19AW
NUMATICS 110-120V 50-60HZ .12AMPS 150PSIG-AIR SOLENOID VALVE 153SS415K00003
ACOPIAN 24VDC REGULATED DC POWER SUPPLY VA24MT210
CONDOR D.C POWER SUPPLIES INC. 02-32281-0001 REV F CIRCUIT BOARD
MODICON 115V 60HZ POWER SUPPLY P420
YASKAWA * POWER BOARD REV.D13 * JANCD-MTV01
DEEMS*10/250V POWER SUPPLY UNIT PSU-C/150
IAI 24 VDC POWER SUPPLY PS-241
FANUC ROBOTICS POWER SUPPLY BOARD A16B-1212-0470
USHIO HALOGEN PROJECTOR LAMP BULB JCR 9.5V 55W NIB
GENERAL ELECTRIC MFC/POWER SUPPLY CARD F31X111PSHARG1 / 531X121PSHASG1
FANUC ANALOG INPUT MODULE AD04A A03B-0801-C052 CONTACT SCREW MISSING
TOWER ELECTRONICS 100-240V 0.8A 50/60HZ VIDEOJET DC POWER SUPPLY, 100-0470
ALLEN BRADLEY SLC 500 13 SLOT RACK 1746-A13 SER. B W/ POWER SUPPLY 1746-PS SER C