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6SN1145-1BA00-0CA0用PWM波形代替这个正弦半波的过程如下图所示。首先将正弦半波等分,每个等分的脉冲宽度是相同的,但幅值不同,然后使用一系列PWM波,即等幅但不等宽的脉冲来代替这个正弦半波。每个等幅不等宽的脉冲与等宽脉冲的面积(冲量)相等,中点重合。PWM波的宽度按正弦规律变化,若要改变等效输出正弦波幅值,按同一比例改变各脉冲宽度即可。后,这个PWM波等效为正弦交流电。
6SN1145-1BA00-0CA0
6SN1145-1BA00-0CA0
Allen Bradley CompactLogix 1769-OF2 SerA 2 CHNL output
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Allen Bradley AB 512AAB6P24R Size 0 Fuse Combo Starter
ALLEN BRADLEY 1746-IB16/C MODULE
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Allen Bradley 1747-PIC serA with 1747-C10 ((original))
! A-B ALLEN BRADLEY 1746-BAS-T Ser A FRN 3
! A-B ALLEN BRADLEY 1746-ITB16 Ser C 1746-1TB16
PLC2 programming software Allen Bradley + PLC-2 cable
! A-B ALLEN BRADLEY 1746-IN16 Ser C 1746-1N16
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NIB ALLEN BRADLEY 1746-NI4 ANALOG INPUT MODULE
Allen Bradley 1771-CFM/C NIB 1771CFM
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AB Allen-Bradley Starter Cat. No. 100-A12ND3 10 HP
AB Allen Bradley Circuit Breaker G 300 30Amp 20HP
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Allen Bradley AB 712BAB24 Size 1 Fused Combo Starter
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Allen Bradley AB 2100 18" Breaker Feeder MCC Bucket 30A
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In Box Allen Bradley SLC500 1747-PT1 & Cable
in Box 1745-E156 Allen Bradley SLC 150 1745E156 N1
Allen-Bradley 2803-VIM2 2803VIM2 ser A rev A input
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AB Allen-Bradley SLC-500 5/03 CPU/Processor 1747-L532-D
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Allen Bradley AB 1336S-B100-AA-EN4-HA2-L6 Ser D 100 HP
AB Allen Bradley 1336-B005-EAD-FA2 5 HP 5HP Constant T
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Allen Bradley AB 1305-BA02A-HA2 1305BA02AHA2 0.75 HP
Allen Bradley AB 1336F-BRF100 VS Drive MCC Bucket 30A
Allen Bradley AB 1336F-BRF200 VS Drive MCC Bucket 60A
Allen Bradley AB 1336S-BRF100 VS Drive MCC Bucket 30A
Allen Bradley AB 1336F-BRF200 VS Drive MCC Bucket 50A
Allen Bradley AB 1336S-BRF50 VS Drive MCC Bucket 15A
Allen Bradley 1747-L531 series E (()) factory sealed
ALLEN BRADLEY 1490-N10 CONDUIT HUB 1" AB 1490
ALLEN BRADLEY 1490-N11 CONDUIT HUB 1 1/4" AB 1490
Allen Bradley AB 1336S-BRF50-AN-EN4-L6 Ser D 5 HP 5HP
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1746-OA8/B Allen Bradley 1746-OA8 F-296
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Allen Bradley AB 512DACD26R Size 3 Fuse Combo Starter
Allen Bradley PLC 1747-L552 SerB 5/05 & 1747-M13 memory
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AB Allen Bradley Operator Interface Panelview 2711-TC1
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AB ALLEN BRADLEY 802T-A OILTIGHT LIMIT SWITCH NIB
Allen Bradley AB 513BAB640 Size 1 Breaker Combo Starter
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Allen Bradley AB 1370 25 HP 25HP Centrifugal DC Drive
Allen Bradley 1326AB A2E 21 AC Servo AB surplus
IN BOX Allen Bradley 1756-OA16/A NIB 1756OA16
Allen Bradley 1747-L551 Ser C FRN 9 Excellent cond
Allen Bradley 1747-L551 Ser C FRN 9 Excellent cond
Allen Bradley size 5 509-FOD Starter 270A AB F0D
Allen Bradley AB Starters IEC Bulletin 100-C09D10
Allen Bradley AB size 5 Reversing Starter 270A 42452
Allen Bradley AB size 00 509-TOD Starter 509TOD 9A 600V
Allen Bradley AB size 0 505-AOD Reversing Starter AOD