1.3 能够提升电子技术系统适应力
电力电子技术显示出了良好的适应力,方便工作人员操作。将其应用在电气控制中能够提升工作效率,降低人们的工作压力,提升电力企业的发展空间。
2 电力电子技术在电气控制中的应用分析
2.1 电力电子技术在电气控制系统中软开关控制装置中的应用
在电子技术和电力系统的不断发展下,电力系统本身对电磁的兼容性和工作效率要求提升,为此,需要电力装置系统进行改进,提升装置本身的轻便型和小型化。在传统的电力系统中,一般是通过开关控制来节省变压器和电容器元件空间。但是这种开关控制的方式会带来巨大的损耗,影响了电路发展效率,严重的还会产生一种额外的电磁干扰。电力电子技术支持下的软开关控制装置在某种程度上解决了噪音和过多损耗的问题,被相关人员广泛的应用在电力系统中。电力电子技术支持下的软开关控制装置在开关频率大于1Mhz的情况下,也能够保证自身性能达到最好的状态,有效将各个简单的电路并联形成一种新的组合电路,有效提升了电力系统性能,被广泛的应用到各个领域中。
2.2 电气控制系统中的过电流保护
电力电子电路在出现运行故障之后会出现过电流的现象。针对这种问题的解决以往采用的是尽快切断熔断器、直流快速断路器以及电流继电器的方式来保护电力电子主要电路。但是现阶段的电力电子器件变得越来越小,功率性能越来越大,传统的保护系统装置无法再起到作用。因而,为了减少过电流的现象,人们开始关注自动去除驱动控制信号方式。具体是指通过设置专门的过电流保护电子电路,对检测过电流之后及时发出、调节或者驱动电路。
厦门哲讯电气 黄工18050037105 QQ3555751719
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LINEAR MOTION TRANSDUCER SENSOR COLLINS LMT-149T01
MARTIN SPROCKET GEAR CHAIN COUPLING # D60B23H BORE: 1-3/4" NEW
LEESON 2HP AC MOTOR WASHDOWN #G131635.00 230/460VAC 60HZ. 1200RPM
BROWNING SPEED REDUCER # CBN3363SB3AP TORQUE: 6100 IN-LBS RATIO: 160:1 NEW!
CANON FAN #CF60-H313NID 24VDC 50MA. (SET OF 2 FANS) WITH MOUNTING BRACKET
POTTER & BRUMFIELD TIME DELAY RELAY CDD-38-300003 24V.
GEARHEAD STEP MOTOR SAIA-BURGESS 100cNm MAX. TORQUE
MARTIN SPROCKET GEAR CHAIN COUPLING # D60B15H BORE: 1-3/4" NEW
DODGE SPROCKET GEAR CHAIN COUPLING # FB5016X1 HK BORE: 1" NEW
HIWIN LINEAR RAILS CUT TO LENGTH 4" TO 78" MODEL# MGNR-12-RXXX-H
NUMATICS PNEUMATIC CYLINDER #P4AK-04A1D-DAA?2 LINEAR STROKE: 3.5"
BIMBA PNEUMATIC LINEAR CYLINDER #M-122-DPY STROKE:2"
ENDODER PRODUCTS ABSOLUTE ACCU-CODER THRU- BORE MODULAR
PARKER PNEUMATIC LINEAR CYLINDER 2MA SERIES #CJ2MAU14C STROKE: 7"
DC GENERATOR 0.5VDC/1K RPM OR 6VDC MOTOR 13,000RPM
POTENTIOMETER LINEAR MOTION 1.5" TRAVEL 46K CENTER TAP
PARKER PNEUMATIC LINEAR CYLINDER #4MA SERIES #BB4MAU14AC STROKE: 10"
PARKER PNEUMATIC LINEAR CYLINDER #2MA SERIES #J2MABU14 STROKE: 12"
TRW HIGH SPEED DC MOTOR 403A159 12VDC 6400RPM (2ea.)
PARKER PNEUMATIC LINEAR CYLINDER #2MA SERIES #BB2MAU14A STROKE: 10"
MAGNETIC CLUTCH & BRAKE AUTOTRonICS MC-8-8 28VDC
PRECISION BELLOWS SHAFT COUPLING BORE: 0.187 X 0.187"
POTENTIOMETER BOURNS 3585S-51-203 20K OHMS 0.5% LIN.
BIMBA PNEUMATIC CYLINDER # LT-172-DM LINEAR STROKE: 2.0"
SUMITOMO SM-CYCLO SPEED REDUCER CVFJS-6165DCY-1?87 TORQUE 18,600 IN-LBS NEW!
MARATHON 5HP AC MOTOR 208-230/460VAC 60HZ. 3475RPM # HVN 184TTFR14012
LINEAR STAGE ACTUATOR TABLE 12" TRAVEL SCREW 0.25"
WESTINGHOUSE 1.5HP AC MOTOR # 77B646L25 230/460VAC 60HZ. 1725RPM USED
POTENTIOMETER HIGH PRECISION 2K BUSHING MOUNT 10 TURN
ACE ConTROLS INC. SHOCK ABSORBER #MC4525-0-HT-25?56 MAGNUM SERIES USED
GYRO RATE GYROSCOPE MINIATURE 400HZ. 40DEG./SEC.
SANYO DANKI FAN PICO ACE 15 #109P0624H715 24VDC 0.06AMP NEW
PARKER PNEUMATIC LINEAR CYLINDER #2MA SERIES #J2MABU14C STROKE: 13.5"
TIMKEN TAPERED ROLLER BEARING CONE # L44649 AND CUP # L44610 MATING PAIR
MARTIN SPROCKET GEAR CHAIN COUPLING # D60B14H BORE: 1-3/4" NEW
STERLING MAGNETIC CLUTCH BRAKE MODEL#T-511-2 24VDC
POTENTIOMETER BOURNS 50K OHMS 0.25%LIN. 10 TURNS
RELIANCE ELE. AC MOTOR 1HP #P14X4800M 208-230/460VAC 60HZ. 1725RPM NEW
PCI IDLER ROLLERS LOAD RUNNER HEAVY DUTY VRTY-3.75" (LOT OF 2 ROLLERS)
LINEAR STAGE ACTUATOR TABLE 4" TRAVEL & 0.25" LEADSCREW
NORDGREN PNEUMATIC LINEAR CYLINDER #A1233A1 2 X 1-1/2 STROKE: 1.5"
POTENTIOMETER PRECISION 200K C.T. ConTINUOUS TURN
MARTIN SPROCKET GEAR CHAIN COUPLING # 6018-1-1/8 NEW
MECHATRonICS DC BRUSHLESS FAN #A9225H48B 48VDC 0.1A BALL BEARING
MAGNETIC SPRING BRAKE DYNAMIC INSTR.# SB-11-2 24VDC
POTENTIOMETER BOURNS 500 OHMS 0.5% LIN. 1 TURN
MARTIN SPROCKET GEAR CHAIN COUPLING # D80B18H BORE: 2.12" NEW
PCI IDLER ROLLERS LOAD RUNNER VRT-1.50" (LOT OF 4 ROLLERS)
ALLEN BRADLEY 871A SENSOR CABLE 871A-CRL4N-D2 NEW
MARTIN SPROCKET GEAR CHAIN COUPLING # 60BS14-1 BORE: 1" NEW
BROWNING COUPLING BORE: 1.250" X 1.250" HEAVY DUTY MOTOR COUPLING # L-100
BRonZE BUSHING FLANGED MXL06221 0.500" ID & 0.625" OD ( LOT OF 41 BUSHINGS )
PAPST LUFTER FAN BLOWER #RL90-18/24 22-28VDC 7.5WATTS NEW
STERLING AC MOTOR 1/2HP # RBY054FCA 208-230/460 VAC 60HZ 1750 RPM
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SYNCHRO ConTROL TRANSFORMER TYPE: 1HCT 90VAC/57.3VAC 60HZ. US NAVY TYPE
RELIA MARK FLANGE MOUNTED BEARING 4 BOLTS BORE: 3/4" # UCF20412RM NEW
ALLEN BRADLEY INTERFACE I/O CABLE CAT# 2090-U3CC-D4409 SERIES-C NEW
BRonZE BUSHING ? ”ID x 5/8”OD x 3/4” long ( LOT OF 34 BUSHINGS )