NMF01
NMF01
NMF01
电动机启动一般采用自耦减压、星-角变换减压启动方式,其中常用的是星-角变换降压启动方式,该方式下电动机的转矩与加在电动机定子上的电压的平方成正比,降压启动是指电动机在启动过程中降低加在电动机定子绕组的电压,假设启动电压U =0.5Ue,则电动机启动时的转矩为0.25Mm,即启动时的转矩只有电动机大转矩的1/4。如果在此时将电压U加大到电动机额定电压Ue,则电动机的转矩一下子就从1/4跳到Mm,这样的启动过程是跳跃的、不平滑的,所以又叫作硬启动,一般降压启动控制技术可靠性差,不稳定,每次启停都会造成对电网和机械设备的冲击,引发一系列的技术问题。例如:在这种控制方式下,水泵电动机在启动时必须将其出口阀门关严,在低负荷时才能启动,否则会造成开关跳闸,影响电动机的正常启动。
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厦门泰尼电气有限公司
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ATLAS COPCO TENSOR S4/S7 TORQUE CONTROLLER PF3007-C-HW W/ RBU-SILVER
ATI ROBOTIC TOOL CHANGER W/ CONTROL MODULES & VALVE QC151M / PV1-M / DE45-M
ALLEN BRADLEY PLC-5/80 CONTROLNET PROCESSOR MODULE 1785-L80C15/F REV. A.1
ALLEN BRADLEY CONTROLNET PLC-5 CONTROLLER MODULE 1785-L80C15/F REV. D
ALLEN BRADLEY PLC-5/80 CONTROLNET PROCESSOR MODULE 1785-L80C15/F REV. C.3
YASKAWA 2.9KW AC SERVO MOTOR SGMGH-30ACA6E WITH ENCODER UTSIH-B17CK
ATLAS COPCO 8433-0601-13 SELECTOR 15 MASTER, NIB
HERCULES GENERAL PURPOSE WIRE ROPE, 6 X 26 BRT EIPS, 5/16" DIA 1000 FT
ZEBRA TECH Z140 40000M / KMT-128-8MPDS8-ZBI (550), PRINTHEAD, LOT OF 2, NIB
MAX MACHINERY, 284-512, FLOW TRANSMITTER, 5 TO 30 VDC, 6000 HZ, NNB
ABB POWER SUPPLY BOARD SAFT 172 POW
ROSEMOUNT 300S1AAE5M5 SUPERMODULE PRESSURE TRANSMITTER, NIB
ALLEN BRADLEY AXIS CONTROL BOARD 8600-1699Y
DOLAN-JENNER SAFE SCAN SS500-10104 / SS500-10204 LIGHT CURTAINS, XMTR & RCVR
FANUC ROBOT WRIST ASSEMBLY A05B-1313-J567 WITH A06B-0142-B675 SERVO MOTOR
NUM SERVOMAC AC SERVO CONTROLLER POWER SUPPLY 3PWS75L
RELIANCE ELECTRIC 3-PHASE 50HP DUTY MASTER AC MOTOR P32G0312J
FANUC ROBOTICS SERIES aiS22/4000HV 4.5KW AC SERVO MOTOR A06B-0266-B200#0100
SIEMENS SINUMERIK CONTROL BOARD 6FC5110-0CB01-0AA0 VER. F
SQUARE D CH364AWK 200 Amp FUSIBLE HEAVY DUTY SAFETY SWITCH, NNB
METROLOGIC INSTRUMENTS, INC IS8300 HoloTrak BARCODE SCANNER, NNB
FSI BFNP12 C5 BAG FILTER VESSEL 2?" NPT
PARKER MTS SYSTEMS CORPORATION MAX-PLUS FLX DIGITAL SERVO DRIVE
ALLEN BRADLEY 1336-B003-EJD-L1 CONSTANT TORQUE AC DRIVE, SERIES A, NNB
ALLEN BRADLEY 1336 DRIVE GATE DRIVER BOARD 1336-BDB-SP28A SER. A
FANUC ROBOTICS AC SPINDLE SERVO UNIT A06B-6064-H302#H550 CRACKED PLASTIC
FANUC ROBOTICS S-420W OUTER ARM W/ ATTACHMENT
GMF ROBOTICS S-420W OUTER ARM W/ ATTACHMENT
MILLER 043268 AUTOMATIC M MICROPROCESSOR WELD CONTROL
NSD CORPORATION ABSOCODER VLS-256PWB SENSOR, NIB
MODICON TSX QUANTUM 4 AXIS ANALOG MOTION CONTROL MODULE TSXCAY41
ALLEN BRADLEY 1326AB-A3E-21-A4 3000 RPM APPROX 5/8" SHAFT DIA. AC SERVO MOTOR
DATALOGIC LASER BAR CODE SCANNER DX8200A-3010
NUM 9Y KW AC SPINDLE MOTOR AMS100GB1R22CR1
NUM 30kW AC SERVO DRIVE MDLS2075N00A
SIEMENS SIMATIC OPERATOR INTERFACE C7-633 DP / 6ES7633-2BF00-0AE3
FANUC ROBOTICS 1.4kW AC SERVO MOTOR a6/3000 A06B-0128-B076#7000
ALLEN BRADLEY 2HP DRIVE 1336F-BRF20-AA-EN-HAS2-L4
ALLEN BRADLEY VersaView 750R INDUSTRIAL COMPUTER 6177R-M4PXP SER. A REV. A
ASCO 16 BAR, 25 MM SIZE, NC PRESSURE OPERATED VALVE 16500031
GENERAL ELECTRIC, ICR53A, INDUCTION RELAY, 120 V, 60 CYCLES, THREE PHASES, NIB
RICE LAKE, SP 2200, TRUCK SCALE TICKET PRINTER, 115 VAC, 50 / 60 HZ, NNB
SQUARE D 2000A FRAME 1600A THERMAL MAGNETIC CIRCUIT BREAKER PHF2036 NO HANDLE
SIEMENS SINUMERIK CONTROL BOARD 6FC5114-0AA02-0AA0
REXROTH INDRAMAT PERMANENT MAGNET SERVO MOTOR MDD112C-N-030-N2M-130PB0 / 252400
MITSUBISHI ELECTRIC SERVO DRIVE MR-S11-103-Z37
SEW EURODRIVE KA87DT90L4BM62HTR HELICAL-BEVEL GEAR REDUCER, 126.91:1 / 2 Hp NNB
ELECTRO-MATIC PRODUCTS AD700AC1, WATER SHUT-OFF VALVES, 120 V, 1/2" NPT
SIHI PUMPS LTD, VACUUM PUMP A0HB 3601 BN001010
SEW EURODRIVE R107DV180M4BM30HRTH HELICAL GEARMOTOR, RATIO 15.65:1, 25 HP, NNB
SEW EURODRIVE R87DV100L4BMG4HRTFABC8 HELICAL GEAR MOTOR,52.82:1 5 Hp, NIB
COOPER POWER TOOLS TORQUE NUTRUNNER DGD 3B260A 3K2M 3ZA
FANUC ROBOTICS BACKPLANE RACK WITH POWER SUPPLY AND SIX CIRCUIT BOARDS
FEC INC DFT-132M3-S, AXIS TOOL, 200 W, 200/230 VAC, 3 PHASE, 50/60 HZ
ATLAS COPCO SERVO MOTOR BSM 43180C-R2.5 4230 1904 80 W/ TORQUE SENSOR T258-112-A
FANUC ROBOTICS AXIS CONTROL PCB BOARD A16B-2200-0853/03B
NIPPON INDEX MOTOR 25605898 W/ TWO DAIKON SOLENOID VALVES LS-G02-2CA-25-EN-645
MATSUSHITA ELECTRIC FEC, NUT RUNNER DFT-201M1-S
NOREN CC1300F-115 COMPACT CABINET COOLER, 75 W, 115 V, 0.6A, NNB
SEW EURODRIVE DFV225S4BMHR 37 kW AC MOTOR, NNB
ALLEN BRADLEY 506-BJB-6P-24R COMBO REVERSING STARTER W/ DISCONNECT, SIZE 1, NIB
ALLEN BRADLEY 10HP AC DRIVE 1336S-BRF100-AA-EN5
