IS215UCVEH2A产品介绍 模块卡件 DCS PLC
IS215UCVEH2A由厦门雄霸电子商务有限公司供应,我司是一家从事全球工控产品的贸易商 ,优势供应大型DCS系统备件、进口工业机器人备件、大型伺服系统电机驱动器、变频器、电机等各类PLC、DCS工控备件。 主营:A-B罗克韦尔,ABB,美国Foxboro福克斯波罗,TRICONEX英维思,美国GE通用电气,力士乐Rexroth,科尔摩根Kollmorgen,霍尼韦尔Honeywell,罗克韦尔ICS TRIPLEX(ROCKWELL),ELAU,ZYGO,施耐德,本特利BENTLY NEVADA,艾默生Emerson,黑马HIMA,摩托罗拉Motorola,EPRO,ProSoft普罗索夫特,伍德沃德WOODWARD,NI等等。我们以优惠的诚信价格、稳定可靠的进口产品,为您企业的飞速发展献上抱诚守真的服务。
3351 TRICONEX通讯模块 PM645B 3BSE010536R1通讯模块 A4H254-8F8T通讯模块 490NRP95400通讯模块 T8461通讯模块

水轮发电机的保护有哪些 (1)纵联差动保护 为定子绕组及其引出线的相间短路保护。 (2)横联差动保护 为定子绕组一相匝间短路保护。只有当一相定子绕组有两个及以上并联分支而构成两个或三个中性‘点引出端时,才装设该种保护。 (3)单相接地保护 为发电机定子绕组的单相接地保护。 (4)励磁回路接地保护 为励磁回路的接地故障保护,分为一点接地保护和两’点接地保护两种。水轮发电机都装设一点接地保护,动作于信号,而不装设两点接地保护。 (5)低励、失磁保护 为防止大型发电机低励(励磁电流低于静稳极限所对应的励磁电流)或失去励磁(励磁电流为零)后,从系统中吸收大量无功功率而对系统产生不利影响。100MW及以上容量的发电机都装设这种保护。 (6)过载保护 发电机长时间过额定负载运行时作用于信号的保护。中小型发电机只装设定子过载保护;大型发电机应分别装设定子过载保护和励磁绕组过载保护。 (7)定子绕组过电流保护 当发电机纵差保护范围外发生短路,而短路元件的保护或断路器拒绝动作时,为了可靠切除故障,则应装设反映外部短路的过电流保护。这种保护兼作纵差保护的后备保护。 (8)定子绕组过电压保护 用以切除突然甩去全都负荷后引起定子绕组过电压。 (9)负序电流保护 电力系统发生不对称短路或者三相负载不对称时,发电机定子绕组中就有负序电流。该负序电流产生反向旋转磁场,相对于转子为两倍同步转速,因此在转子中出现100Hz的倍频电流,它会使转子端部、护环内表面等电流密度很大的部位过热。造成转子的局部灼伤,因此应装设负序电流保护。中小型发电机多装设负序定时限电流保护;大型发电机多装设负序反时限电流保护,其动作时限完全由发电机转子承受负序发热的能力(过热时间常数A)决定,不考虑与系统保护配合。 (10)失步保护 大型发电机应装设反映系统振荡过程的失步保护。中小型发电机都不装设失步保护,当系统发生振荡对,由运行人员判断,根据情况用人工增加励磁电流、增加或减少原动机茁力、局部解列等方法来处理。 。
FANUC A16B-2200-0250 4 AXIS PCB CONTROL BOARD R-H BROOKFIELD TT100 INLINE VISCOMETER 115V 60HZ 25W NEW OHIO SEMITRONICS SCT-200E2 CURRENT TRANSDUCER NEW ALLEN BRADLEY 1791IOBW I/O BLOCK 24VDC 64 POINT MOD THERMAL DYNAMICS PLASMA WELDING CONSOLE MILLER MAXSTAR VWR AS12P BENCHTOP ACCU STERILIZER W/ EXTERNAL PRINTER NEW ALLEN BRADLEY 2755L5RX1 ENHANCED MEDIUM SPEED SCAN NEW ALLEN BRADLEY 1336B005EADL1S1 5HP, 460V 3PHASE CTRL NEW ALLEN BRADLEY 1771NIV ANALOG MODULE HIGH RESOLUTION NEW ALLEN BRADLEY 1336B005EADFA2L 5HP, 460V 3PHASE CTRL NEW THK LM GUIDE ACTUATOR MODEL KR 4610A+940L-0060?0 ALLEN BRADLEY 2803VIM1 VISION INPUT MODULE ADEPT 30330-25000 RACK CHASSIS MODEL MV-19 STAUBLI NEW FOWLER ZALKIN 867428 PLASTIC GEAR HEAD SLIDE 3" ID NEW STAINLESS STEEL DONALDSON TORIT LITHOGUARD P198605 MICRO MOTION FLOW SENSOR, REMOTE TRANS. DIG RATE TOTA NEW APPLIED MATERIALS AMAT 0242-01051 CHAMBER RETROFIT WEDGEWOOD AF42-05-TC SANITARY UV OPTICAL SENSOR NEW BALDOR EM4114T 50HP AC MOTOR 3540RPM,3PH,60H?Z,326TS NEW ABB 6013BZ10000B100?1 INTERLAN MODEL # N13210 PCB NEW PARKER D31VW1C4NJEU-75 PILOTED SOLENOID DIRECTIONAL AQUAFINE RBE-6R ULTRAVIOLET WATER TREATMENT STERILIZER OPTOMEDIC KAPLAN PENDULASER 115/A SURGICAL LASER NEW YORK FRICK RXB / RDB REV B COMPRESSOR CONTROL BOARD PARKER COMPUMOTOR DYNASERV DR-1030B-115 SERVO DRIVE ENI DCG-200 DC PLASMA GENERATOR 20KW MASTER UNIT ENI DCG-200 DC PLASMA GENERATOR 20KW SLAVE UNIT NEW SEMCO CORP. SMART BOX VALVE MANIFOLD BOX NEW BALLUFF BTL5-E17-M0425-?S-SA230-K15 TRANSDUCER KRONES SPARE PART DISPLACEMENT TRANSDUCER, LEVEL, PROBE TOTAL CONTROL QPI31200E2PB QUICK PANEL OPERATOR INTER SPECTRA DIODE LABS SDL 805 LASER DIODE DRIVER NEW THK LM GUIDE ACTUATOR MODEL KR 4620A+840L-0070?0 NEW SONY UP-51MDU A5 COLOR VIDEO PRINTER ADEPT TECHNOLOGY 1033000500 MODULE VJI ROBOT CONTROLLER NEW ALLEN BRADLEY 2760RB/A FLEXIBLE INTERFACE MODULE NEW KEYENCE CV-030 MACHINE VISION CCD CAMERA & CABLE PARKER HYDRAULIC CYLINDER 3H SERIES 7" BORE 7" STROKE NEW ALLEN BRADLEY 5150-RS2 REMOTE I/O SCANNER MODULE NEW HARDY INSTRUMENTS HI1771WS WEIGH SCALE MODULE HONEYWELL CC-GAOX11 REDUNDANT ANALOG OUTPUT IOTA NEW SAINT GOBAIN PM-PFD2S FURON PUMP REPAIR KIT NEW NOVELLUS 27 126669 00 VALVE THROTTLE CONTROLLER PANAMETRICS THERMAL CONDUCTIVITY GAS ANALYZER TMO2-TC ALLEN BRADLEY 1336B003EADFA2L?3S1 CONSTANT TORQUE AC DRI FANUC A06B-0522-B351 AC SERVO MOTOR MODEL 1-0, 3 PHASE ADVANCED ENERGY 3152012-041 MDX-10K MASTER POWER SUPPLY APPLIED MATERIALS AMAT 0010 21997 LASER ALIGNMENT TOOL NEW ALLEN BRADLEY 1770KF2 COMMUNICATION INTERFACE MODUL OPTRONICS DEI-470 CCD CAMERA WITH INTERFACE MODULE DUNIWAY STOCKROOM IPC-0062 ION PUMP CONTROL UNIT ELECTRO CRAFT BRU200 RELIANCE ELECTRIC SERVO DRIVE IKA WORKS RT 10 POWER S1 HOT PLATE STIRRER 10 POSITIONS ADEPT TECHNOLOGY 1033851000 AMPLIFIER MODULE DUAL B + NEW ROFIN SINAR 820-2008-2 CONTROL PANEL PCB FOR LASER NEW OMEGA 4121-G-F-1 FIBER OPTIC TEMPERATURE TRANSDUCER DYNAPACE MAG UNLOAD / DOCK STATION HONEYWELL CC-GDIL01 DIGITAL INPUT IOTA 51306317-175 HONEYWELL CC-GDIL21 DIGITAL INPUT IOTA 5RION KRS-7A DRY ROTARY VANE VACUUM PUMP COMPRESSOR MCALL 7-7045T STAINLESS STEEL REFRIGERATOR 2 DOOR MILLIPORE TANKS60UV SANITIZATION MODULE 60L RESERVOIR NEW ALLEN BRADLEY 2705T24J3 BULLETIN 2705 REDIPANEL ADEPT TECHNOLOGY 1033210250 MODULE VGB LEYBOLD RUVAC WSL-2001 VACUUM PUMP ALLEN BRADLEY 1791IOBW I/O BLOCK 24VDC 64 POINT MOD HD BAUMANN 16-83411SA SANITARY ANGLE CONTROL VALVE SST HD BAUMANN 16-83811SA SANITARY ANGLE CONTROL VALVE SST ITT JABSCO PUREFLO 55 ROTARY LOBE PUMP MDL 55320-1380 。
IS215UCVEH2A通讯模块
IS215UCVEH2A通讯模块