A06B-6066-H234

A06B-6066-H234

A06B-6066-H234

单极性SPWM缺点：

输出电压波形变化缓慢，对电机的应变作用较大，容易使电机产生振动；

对直流电压稳定性要求较高，容易受到电源电压变化的影响。

双极性SPWM优点：

输出电压变化快，能够实现快速响应；

输出电压稳定性好，对直流电压的波动较不敏感。

双极性SPWM缺点：

实现复杂，需要较高的控制技术；

输出电压的谐波较多，容易产生电机噪音；

控制精度相对较低，受到电机参数和负载变化的影响较大。

A06B-6066-H234 

APPLIED MATERIALS (AMAT) DPN LINER, LOWER 0020-51915

DYNAROLL ASSY, BEARING CERAMIC FEED-IN S00355

AMAT BE CHILLER AIR ELIMNATOR PRIMARY STANDP 0190-08656

APPLIED MATERIALS (AMAT) CHUCK COMPLUS P/N 0020-D8440

GSI LUMONICS PCB, MOTION CONTROLLER 880-20 2109415

MRL INDUSTRIES HEATER, 1500W OTS 0410926743 R15

TERADYNE MARWAY POWER CONTROLLER 873-079-00 MPD 41956

TEL DHP COVER ASSY RWK B1985-415675-1A

COHERANT Laser WAFER SCRIB Head, W/POW SUP DDPY4210FII

DNS CONTROLLER, DEVELOP SLAVE SK2000 MEIDEN 2-39-63351

AMAT VALVE, HEATED ISO DPS LPV40 3870-02276

EBARA CONTROLLER, BAM432 TURBO 4 AXI 7460091B

AMAT SHIELD, SHAFT & WRIST 0020-87543

AMAT CB MAG THERM, 3P 600VAC 400A, ASSY 0680-02433

BROOKS ALIGNER WAFER COMBI ETCHER PRE-201-CE

MITSUBISHI MOTOR, AC SERVO 200W HC-KFS23BK

AMAT LINER, LOWER 300MM DPS II - REPAIR 0040-81155

DESERT GLASS TANK, PREHEAT 70 LITERS QUARTZ 1210106

SUN VME TO MULTIBUS ADAPTOR BOARD 501-1054

TERADYNE PCB, CATCH RAM MODULE 950-661-10

ULTRATECH CHUCK, POP-UP M2000 PHASE II 01-20-02651

AMAT ASSY, PRECISION CATHODE RF PEAK VOLTAGE 0090-02377

AMAT FRAME w/SBC,MEC,Reticl & NanoSEM 0090-a9820

NSK LINEAR ACTUATOR XY-HRS043ES206

APPLIED MATERIALS (AMAT) LCR ASSEMBLY,10MM C.A.

SST 4 CHANNEL DEVICENET PRO VME P/N 5136-DNP-VME-4

AMAT 4-CHANNEL DEVICENET INTERFACE CARD 0190-00899

APPLIED MATERIALS (AMAT) CELL COVERS P/N 0045-00171

APPLIED MATERIALS (AMAT) SUSCEPTOR RETROFIT 0227-06669

APPLIED MATERIALS (AMAT) RINSE ARM P/N 0226-77334

USHIO CONTROLLER, SYSTEM 9606355

ACCRETECH USA INC ASSY, B.B.D. (W/OPTICAL FIBER 225300

AMAT CLAMP RING,INNER SHIELD,AL ARC SPRAY 0020-52627

AMAT GATE SEAL,25x560 VITON 3700-04313

ASTI (USA) LITE, BOTTOM PVI TRIPLEX  08-79563-03-800

SEMITOOL ANODE INERT 300MM P/N 110T0198-01 - NEW

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