远程通讯卡 4210

远程通讯卡 4210

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3.2转速调节

K581压缩机转速调节采用串级控制方案（如图四）。主回路为压力控制回路（PIC5817），主被调参数为一级增压机入口分液罐（D582）压力（PT5817），主设定值为重整产物分离罐（D581）重整反应压力控制器（PIC5815）的输出，主调节器采用比例-积分控制算法；副回路为速度控制回路（SIC5851），副被调参数为汽轮机转速，副设定值为PIC5817的输出，副调节器采用比例-积分控制算法。当主回路设定值与主被调参数产生偏差时，主控制器经过比例-积分算法产生相应的输出做为副回路的设定值。副控制器经过比例-积分算法产生相应的输出，通过Trcion3806E模块输出20–200 mA信号作用在WOODWARD TM-25LP电液转换器上。电液转换器通过杠杆改变油动机活塞两端油压差，操纵调节汽阀的开度，相应的改变压缩机的转速。

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OMRON D4A-E20 LIMIT SWITCH LEVER WITH ROLLERS D584927

DELL HD02U AXIM X5 CRD-U1 CHARGING STATION DOCK D578537

3M 38-9019-4166-6 SCOTCH BLACK ELECTRICAL TAPE 3/4IN X 66FT D582584

3M 38-9019-3976-9 SCOTCH WHITE ELECTRICAL TAPE 3/4IN X 66FT D582583

CLIPPARD ET-3 SOLENOID VALVE 24V-DC D575216

FOSTER 38FS BRASS QUICK COUPLER HOSE FITTING 3/8IN NPT D579878

ALLEN BRADLEY 1492-CB1G050 5A 1P 277V-AC CIRCUIT BREAKER D575249

RAYCHEM HVS-822S 5-8KV JOINT WIRE SHIELD HEAT SHRINK SPLICE KIT D583002

MERLIN GERIN 24116 C60N 277V-AC 1P 10A CIRCUIT BREAKER D581079

VIEGA 80375 PROPRESS 1-1/2IN STAINLESS CAP D588146

HUBBELL HBL5262 DUPLEX RECEPTACLE BROWN D587801

DIXON D-125 BRONZE 1-1/4IN TYPE D COUPLER D587670

3LOT LEVITON 70045 KEYLESS INCANDESCENT LAMPHOLDER 660W 600V D587906

VIEGA 80420 PROPRESS 1-1/2IN 90DEG STAINLESS ELBOW D588441

NIBCO PC611 PRESSYSTEM REDUCING TEE 1-1/2 X 1-1/2 X 3/4IN D588450

ALLEN BRADLEY W24 THERMAL OVERLOAD HEATER ELEMENT D586664

CATERPILLAR CAT 9N-3368 COOLANT CONDITIONER FILTER ELEMENT D592400

CATERPILLAR CAT 9M-2341 FUEL FILTER ELEMENT D592392

ASCO NUMATICS M699AG500179001 PRESSURE RANGE INDICATOR KIT D588411

GOODYEAR 4L230 HY-T PLUS V-BELT MISCELLANEOUS D587474

FISHERBRAND 13-711-7M DISPOSABLE POLYETHYLENE PIPETS D585165

GATES 3VX560 SUPER HC 56 X 3/8IN V-BELT D585355

DYNABRADE 50630 1/2X5IN RUBBER FACE DISC PAD D587845

USG 166320 P500K 1-1/2IN PRESSURE GAUGE 30PSI 1/8IN NPT D592334

3M 330-3002 E-A-R MUFF 3000 25DB MULTI-POSITION EAR MUFFS D588839

NIBCO PC603 PRESSYSTEM 1IN NPT COPPER FEMALE ADAPTER D589082

F14N219/004_02A 1/2IN MNPT PNEUMATIC EXHAUST SILENCER D588354

NIBCO PC607-2 PRESSYSTEM 1-1/4IN 90DEG ELBOW D589070

NIBCO T048058 PRESSYSTEM 1-1/4IN EPDM SEAL D589079

NIBCO PC600-R PRESSSYSTEM REDUCING COUPLING 1-1/2 X 1-1/4IN D589096

NIBCO PC603 PRESSSYSTEM 3/4IN FEMALE ADAPTER D589092

USG 146002 PRESSURE GAUGE 0-60PSI 1-1/2IN 1/8IN NPT D588747

ASHCROFT 15W1005H01B PRESSURE GAUGE 0-60PSI 1-1/2IN 1/8IN NPT D588753

AMETEK 055155A USG 2IN P500K 0-60PSI 1/8IN NPT PRESSURE GAUGES D588327

NIBCO PC600-DS PRESSYSTEM COUPLING 1IN D589313