SB145/30/15/05/24/S/01/64/DAKN
日期：2018-10-9当水泵启动时，由于水泵、管路和底阀密封的原因，吸水管和水泵中无法始终充满水，因此需先打开引水装置，待吸水管和水泵中充满水之后，水泵才能正常启动。在水泵停泵前，先关闭底阀，再停泵，为2自灌式泵房变频恒压供水节电改造变频恒压供水的原理是：将供水压力传感器安装在出水管路上，当用水量较小时，所需供水水压较低，供水水压传感器检测到水泵出水压力，将水压传给PLC可编程控制器，PLC根据设定压力输出一个4一20mA信号，输入变频器，当传感器检测到的压力大于设定压力，PLC输出电流减小，变频器频率降低，水泵转速降低，输出水压减小；当用水量突然增大时，所需供水水压较高，当输出水压低于设定水压时，PLC输出电流增加，变频器频率增加，水泵转速增加，输出水压也增加，达到自动控制水压的目的，使输出水压恒定。
对自灌式泵房的水泵进行变频节电改造，投资省，节电效果明显。而变频器本身具有的软启动功能，使管道内的水在水泵启停阶段不易产生水锤现象，对水泵和管道设备有保护作用。针对现状，在考虑了给水所中期发展要求后，我们认为：若仅对现有水泵进行变频改造，水泵的出水频率会很低，水泵的工作效率曲线会远离高效段，节电率将受影响。
你想知道变频器输出电抗器的选择计算问题，但是就是不知道怎么去计算呢？现在下面我就跟大家说说这方面的知识，希望能给大家带来好的启发呢！
1. 阻抗电压降：阻抗电压降是指XHz时，对应实际额定电流时电抗器线圈两端的实际电压降。通常选择阻抗电压降在1-4%左右。
2. 电感量的选择：电抗器的额定电感量也是一个重要的参数！若电感量选择不合适，会直接影响额定电流下的电压降的变化，从而引起故障。而电感量的大小取决于电抗器铁芯的截面积和线圈的匝数与气隙的调整。输出电抗器电感量的选择主要是根据在额定频率范围内的电缆长度来确定，然后再根据电动机的实际额定电流来选择相应电感量要求下的铁芯截面积和导线截面积，才能确定实际电压降。
3. 对应额定电流的电感量与电缆长度：电缆长度额定输出电流电感量。
4. 额定交流电流的选择：额定交流电流是从发热方面设计电抗器的长期工作电流，同时应该考虑足够的高次谐波分量。即输出电抗器实际流过的电流是变频器电机负载的输出电流。
诚信经营，质量为首，诚信至上，漳州鼎晟达自动化设备有限公司竭诚为您服务
*************** 咨询热线：18105962758（林工）*******************
联系人：林朝艺（销售经理）
手机 ：18105962758
QQ ：2880842795
邮箱 ：2880842795@qq.com
传真 ：0596-3119658（请备注林工收）
-----------------------------------------------------------------------------
【本公司主营产品】
1：Invensys Foxboro（福克斯波罗）：Westinghouse（西屋）Reliance瑞恩ABB：、Siemens(西门子)：Siemens MOORE，
2：GE FANUC(GE发那科)：模块、Yaskawa（安川）：伺服控制器、Bosch Rexroth（博世力士乐）Woodward（伍德沃德）英维斯(TRICONEX)
3：Rockwell Allen-Bradley: Reliance瑞恩、贝加莱(B&R)， 欧姆龙(OMRON), KEBA， 安川(YASKAWA) 等品牌的停产备件。
-----------------------------------------------------------------------------
Fanuc A02B-0124-K841 IDE Cable Set A660-2040-T045
Fanuc A03B-0807-C152#D I/O Module AOD08D Model A UN
Fanuc A03B-0807-C152#D I/O Module AOD08D Model A UN
Fanuc A03B-0807-C152#D I/O Module AOD08D Model A UN
Fanuc A03B-0807-K101 Fuse 3.2 Amp A60L-0001-0290/LM32
Fanuc A03B-0819-C152 Output Module AOD08D UN
Fanuc A03B-0819-C152 Output Module AOD08D UN
Fanuc A03B-0819-C152 Output Module AOD08D UN
Fanuc A06B-6066-H500 Regen Discharge Resistor A40L-0001-0328 UN
Fanuc A06B-6066-H500 Regen Discharge Resistor A40L-0001-0328 UN
Fanuc A06B-6066-H500 Regen Discharge Resistor A40L-0001-0328 UN
Fanuc A06B-6073-K250 Fuse 3.2 Amp A60L-0001-0290/LM32C
Fanuc A06B-6077-K250 Fuse 2.0 Amp A60L-0001-0175/2.0A 2/Pkg
FANUC A06B-6117-H005 in Box Free Ship
FANUC A06B-6117-H005 in Box Free Ship
FANUC A06B-6117-H005 in Box Free Ship
FANUC A16B-2200-0200 /04A MAIN CPU CARD
Fanuc A16B-2300-0020/03B PC Board
Fanuc A16B-2300-0020/03B PC Board
Fanuc A16B-2300-0020/03B PC Board
Fanuc A20B-1006-0490/02A Servo Board
Fanuc A20B-1006-0490/02A Servo Board
FANUC MEMORY MODULE A20B-2901-0765/02A MAKE OFFER
FD2020 CUTLER HAMMER BREAKER NIB
FD2050 CUTLER HAMMER BREKER NIB
FD2100 CUTLER HAMMER BREAKER NIB
FOXBORO 2AXDIO MODULE SIGNAL DISTRIBUTION TERMINAL.
FOXBORO I/A SERIES P0400VE FIELDBUS ISOLATOR
FOXBORO I/A SERIES P0400VE FIELDBUS ISOLATOR
FOXBORO I/A SERIES P0400VE FIELDBUS ISOLATOR
FUJI POD UG221H-LR4 HMI Operator Panel IN BOX Free Ship
FUJI POD UG221H-LR4 HMI Operator Panel IN BOX Free Ship
FUJI POD UG221H-LR4 HMI Operator Panel IN BOX Free Ship
FURNAS 14CF32BA NO BOX
FURNAS 14CF32BA NO BOX
FURNAS 42BF35AF DEFINITE PURPOSE CONTROLLER
FURNAS Red Pilot Light Kit 50D24999
Fuses Assortment
G.E. CR120J22002 GENERAL PURPOSE RELAY -
G.E. CR120J22002 GENERAL PURPOSE RELAY -
GE 15D1G2 Electrical Coil General Electric Control 15D1-G2 Coil
GE 22D135G102 Control Coil 115V 60HZ style
GE 22D135G4 Control Coil 380/460V 50/60H style
GE 5339-7 Snap Switch - 3 Heat - 30/50amp 125/250v Lot of 1
GE 5K49PN4120 1.5HP 3-Phase AC Motor UN
GE CL00D310T / BSLV3G NO BOX
GE CR 2810E MOTOR STARTER CONTACTOR SIZE 3 CR 281 0E
GE CR 2810E MOTOR STARTER CONTACTOR SIZE 3 CR 281 0E
GE CR 2810E MOTOR STARTER CONTACTOR SIZE 3 CR 281 0E
GE Fanuc 44A286373-G12 Upgrade Kit
GE Fanuc 44A286373-G12 Upgrade Kit
GE Fanuc IC693ACC335A Axis Term Board UN
GE Fanuc IC693ACC335A Axis Term Board UN
GE Fanuc IC693ACO336A Aux. Term Board UN
GE Fanuc IC693ACO336A Aux. Term Board UN
GE GPS1BSAF 50/60 HZ CAT:A/AC-3
GE GPS1BSAF 50/60 HZ CAT:A/AC-3
GE K254 5K42HN4100 AC Motor 1/2 HP-230V
GE RELAY IC2800 A100BB202 600V 10A 22D13G2A COIL
GE Statotrol 1/2HP 115V Open 6VFWC1050
GE THFP364 200 A 600 V 3 P Panel Board Switch style
GE/Fanuc IC4484A169 Oscillator Rebuilt
Gear Train 2752-1 Demin but in Good Condition
Gear Train 2752-1 Demin but in Good Condition
GEMINI BALL VALVE 2-86-4-RT-6 720 CWP
Gems Zener Barrier Safe Pak 42740
Gems Zener Barrier Safe Pak 42740
GENERAL ELECTRIC STYYE COIL 22D153G4
GENERAL ELECTRIC 3240635 COIL SURPLUS
GENERAL ELECTRIC 55-501493G23 208/200V COIL SURPLUS
General Electric 800 amp A-Series II Panelboard with Breakers 277/480 - 2yrs
General Electric 800 amp A-Series II Panelboard with Breakers 277/480 - 2yrs
GENERAL ELECTRIC CR22D135G003 230V COIL SURPLUS
GENERAL ELECTRIC GE VANE LIMITED LIMIT SWITCH CR115A11 in box
General Electric Replacement Coil 15D21G024 --
General Electric Replacement Coil 15D21G024 --
General Electric TFJ236100 100 Amp Circuit Breaker Style No Red Trip
General Electric TFJ236200 Style 200 Amp Circuit Breaker
General Electric THFK236125 125 Amp Circuit Breaker Style
General Electric THFK236200 200 Amp Circuit Breaker Style
German fashion wooden 3D picture box Diorama ELECTRICIAN WORKSHOP ELEKTRIKER
Good reliable Modicon Micro PLC 110-CPU-612-03 16xDI 12xDO 4xAI 2xAO.
Good reliable Modicon Micro PLC 110-CPU-612-03 16xDI 12xDO 4xAI 2xAO.
Good reliable Modicon Micro PLC 110-CPU-612-03 16xDI 12xDO 4xAI 2xAO.
GOULD I-T-E EF3-A010 CIRCUIT BREAKER 10A
Graham Varispeed 2000 176B6016 NOS NIB
HAYWOOD 10 BUTTERFLY VALVE Body PPL Disc PVC /
HERION 8510700.8404 REGULATOR VALVE
HERION 8510700.8404 REGULATOR VALVE
HI LO 3 HP MOTOR 130 VDC 2672 WATTS P/N M-220530
Hobart 375693A02 Welder Control Board
Hobart R374600R8 Welder Board 374600
Hoffman ACORD12 Fan Power Cords
Honeywell Magnetic Speed Sensor Motion Transducer 3040A .3040A -
Honeywell Magnetic Speed Sensor Motion Transducer 3040A .3040A -
HONEYWELL MICRO MODULATED LIGHT SWITCH FE MLS 7A 1011 NEVER /
HONEYWELL MICRO MODULATED LIGHT SWITCH FE MLS 7A 1011 NEVER /
Honeywell Micro Switch BZE-RNX1 ---------
Honeywell Micro Switch BZE-RNX1 ---------
HONEYWELL ROSEMOUNT FLOW METERS 2 NIB
HONEYWELL ROSEMOUNT FLOW METERS 2 NIB
HP 6267B REGULATED DC POWER SUPPLY. BUT WORKING WARRANTY
HP 8924C Power Supply P/N 0590-2952 / 2 yr warranty $40 credit for supply
HUBBELL HBL9430-A/-STYLE NSPP HBL9430ASTYLE
HUBBELL HBL9430-A/-STYLE NSPP HBL9430ASTYLE
HUBBELL HBL9430-A/-STYLE USPP HBL9430ASTYLE
HUBBELL HBL9430-A/-STYLE USPP HBL9430ASTYLE
HUGHES B108035-110 HV Module
HUMPHREY 125-4E1 1/8 SINGLE SOL. 4 WAY VALVE
HUMPHREY 125-4E1 1/8 SINGLE SOL. 4 WAY VALVE
HVCA JH537 Micro We Rectifier /
Hydroline Pneumatic cylinder Q5DC-2.5X3In. stoc
IDEC Izumi PFJ-N011A -
IDEC Izumi PFJ-N011A -
IDEC Izumi PFJ-N081U - - FACTORY SEALED
IDEC Izumi PFJ-N161U - - Factory Sealed
IDEC Izumi PFJ-N161U - - Factory Sealed
IDEC Izumi PFJ-T081U -
IDEC Izumi PFJ-T081U -
IDEC RSSD-40A STYLE DISC. SS RELAY
Interlock set of 7 all
INTERMATIC T175 MECHANICAL 24 HOUR TIME SWITCH THE SKIPPER
INTERMATIC T2006 7 DAY DIAL TIMER
ITT General Controls Hydramotor Actuator H10A120B5 120 VAC
ITT General Controls Hydramotor Actuator H11A321B5 120 VAC
JAGENBERG 3341432 CONDUCTOR PLATE
Joslyn Clark Contactor Size 3 5003A3001-21 --
Joslyn Clark Contactor Size 3 5003A3001-21 --
Joslyn Clark Contactor Size 3 5003A3001-21 --
KAWASAKI 1AS-53 BOARD 50999-1360R30
KAWASAKI 1AS-53 BOARD 50999-1360R30
KAWASAKI 1AS-53 BOARD 50999-1360R30
KD2400 CUTLER HAMMER BREAKER NIB
Kenco Pumps 115C Submersible Mercury Float Control Surplus in Box
KEROTEST MARSH N1513 NEEDLE VALVE 3/8 FFG ALLOY 10000 PSI
Klockner & Moeller Contactor DIL00-52-NA-24 -NIB
Klockner & Moeller Contactor DIL00-52-NA-24 -NIB
KLOCKNER-MOELLER NZMH4-63-CNA FREE USA PRIORITY S/H
LAFERT ST63S4 1/4 HP MOTOR .25HP 1600RPM FROM L1
LANDIS & GYR PTM6 2P1K - -
LANDIS & GYR PTM6 2P1K - -
LANDIS & GYR PTM6 2P1K - -
LEEDS & NORTHRUP 10215-1-0 MEDIUM TORQUE ELECTRIC ACTUATOR
LEEDS & NORTHRUP 10215-1-0 MEDIUM TORQUE ELECTRIC ACTUATOR
LEEDS & NORTHRUP 10215-1-0 MEDIUM TORQUE ELECTRIC ACTUATOR
LESSON 985-642D 1/8 HP GEAR MOTOR 90V DC. UN FROM . L1
LH Research TMA 22-12 115-230V A01 Power Supply PN: 855553-553 LOT
Linear 7703405UAG SILVER Vintage 1969 COLLECTIBLE
Lot - Thermocouple Connectors Type J 5prs. Ceramic Omega
Lot of store Electronic parts Transistors lamps
Lot of 1 P-1 Thermistor Sensor. RARE . VINTAGE USSR FREE SHIPPING
Lot of 1 P-1 Thermistor Sensor. RARE . VINTAGE USSR FREE SHIPPING
Lot of 1000 6080WA Thomson
Lot of 2 Allen Bradley Roller Assembly Style X-160915
LOT OF 5 SQUARE D QO120GFI 1 pole 20 amp GFI breakers 2 style 3 style
Lot of 8 Allen Bradley X-457011 in bag
Lot of Two Cutler-Hammer D26MR40A Type M Relays
Lot of Two Cutler-Hammer D26MR40A Type M Relays
LS CONTACTOR GMC-100 3 POLE NO BOX
LS CONTACTOR GMC-100 3 POLE NO BOX
M965A1072 MODUTROL MOTOR
M965A1072 MODUTROL MOTOR
Magnetic Starter Combo GE CR308B1041AXATDAE USA MADE N/R
MAGPOWER DFP DANCER/FOLLOWER POSITION SENSOR
MAGPOWER DFP DANCER/FOLLOWER POSITION SENSOR
MAGPOWER DFP DANCER/FOLLOWER POSITION SENSOR
Marathon1453594 Power Block
Marathon1453594 Power Block
Micro Switch EX-AR Explosion Proof Switches 6
Micro Switch EX-AR Explosion Proof Switches 6
Micro Switch EX-AR Explosion Proof Switches 6
MicroScan FIS-0003-0002G MS-3 MS-3 Compact Laser Barcode Scanner
MicroScan FIS-0003-0002G MS-3 MS-3 Compact Laser Barcode Scanner
MicroScan FIS-0003-0002G MS-3 MS-3 Compact Laser Barcode Scanner
Midori Precisions LP-50F-1 Servo Actuator # K3596508 no box
Millipore OIL Gauge SCALE 01-0109-E -/ 30psi/hg Power Switch
Minster 490-0084 High Speed Relay Un
Mitsubishi HC-MF13 AC Servo Motor in box box Free Ship
Mitsubishi HC-MF13 AC Servo Motor in box box Free Ship
Mitsubishi HC-MF13 AC Servo Motor in box box Free Ship
Mitsubishi lot of 8 various PLC components. in factory packaging
Mitsubishi lot of 8 various PLC components. in factory packaging
Mitsubishi Melsec F1-20P-E F1-20P programming panel in Box Free Ship
Mitsubishi Melsec F1-20P-E F1-20P programming panel in Box Free Ship
Mitsubishi Melsec F1-20P-E F1-20P programming panel in Box Free Ship
Mitsubishi Melsec PLC Module FX-2DA Over 95% in box Free Ship
Mitsubishi Melsec PLC Module FX-2DA Over 95% in box Free Ship
Mitsubishi Melsec PLC Module FX-2DA Over 95% in box Free Ship
MODICON AS-B352-001 OUTPUT MODULE FREE SAME DAY SHIPPING USA
MODICON AS-B352-001 OUTPUT MODULE FREE SAME DAY SHIPPING USA
MODICON AS-B352-001 OUTPUT MODULE FREE SAME DAY SHIPPING USA
MODICON AS-B355-001 OUTPUT MODULE FREE SAME DAY SHIPPING USA
MODICON AS-B355-001 OUTPUT MODULE FREE SAME DAY SHIPPING USA
MODICON AS-B355-001 OUTPUT MODULE FREE SAME DAY SHIPPING USA
MODICON AS-M480-008 8K MEMORY CARTRIDGE -
MODICON AS-M480-008 8K MEMORY CARTRIDGE -
MODICON AS-M480-008 8K MEMORY CARTRIDGE -
Modicon MA-4947-200 P180 Keyboard Rev D
MORSE CADET 25 MOTOR SPEED CONTROL 157615 1/4HP
MORSE CADET 25 MOTOR SPEED CONTROL 157615 1/4HP
Motoman Dongles / Hardware Keys / RB-K01940
Motorola M2000-355 CRT Monitor 5031.E NOS in origional box
Motortronics LC2-1-P 240/480V Drive
MSA MiniOX Responder Oxygen Detector P/N 710965
MTS / CSM model MPD-10-460-03 servo drive surplus
MTS CSM Incol 473 part number 113791-69 or Gordos PB-24HQ
MULTILINK 10Gb/s Optical Transceiver MTC21208A /
Murphy Swichgage RPM Guage -
Murphy Swichgage RPM Guage -
MWM Diesle Original Part K TO 1810 Ws: 37.5225.511
MWM Diesle Original Part K TO 1810 Ws: 37.5225.511
MWM Diesle Original Part K TO 1810 Ws: 37.5225.511
MWM Diesle Original Part K TO 1910
MWM Diesle Original Part K TO 1910
MWM Diesle Original Part K TO 1910
Namco Limit Switch EA130-14200 un surplus -NIB
NB31200F WESTINGHOUSE CIRCUIT BREAKER 900 Amp 3 Pole 600 Volt
NCC TIMER 1.2-120 SECONDS 24 VDC
NCC TIMER 1.2-120 SECONDS 24 VDC
NOS VINTAGE CAPACITOR 2-363A004H118 7019 NO MARKINGS UNTESTED -FREE SHIP-
Oil Proof Limit Switch Micro Switch LSZ7A2B / 7550 item
Oil Proof Limit Switch Micro Switch LSZ7A2B / 7550 item
OMEGA 6102RTD-0-600C IN BOX
OMEGA 6102RTD-0-600C IN BOX
Omega FMA-904-I-S -
Omega FMA-904-I-S -
Omega FMA-904-I-S -
Omron C200H-RM201/C200HRM201 Remote I/O Very Box Free Ship
Omron C200H-RM201/C200HRM201 Remote I/O Very Box Free Ship
Omron C200H-RM201/C200HRM201 Remote I/O Very Box Free Ship
OMRON C500-ASC04 in Box Free Ship
OMRON C500-ASC04 in Box Free Ship
OMRON C500-ASC04 in Box Free Ship
OMRON C500-BC091 In Box Free Ship
OMRON C500-BC091 In Box Free Ship
OMRON C500-BC091 In Box Free Ship
OMRON CPU Unit C200HX-CPU64-E in Box Free Ship
OMRON CPU Unit C200HX-CPU64-E in Box Free Ship
OMRON CPU Unit C200HX-CPU64-E in Box Free Ship
Omron CV500-IC201 I/O Control Unit CV500IC201 in Box Free Ship
Omron CV500-IC201 I/O Control Unit CV500IC201 in Box Free Ship
Omron CV500-IC201 I/O Control Unit CV500IC201 in Box Free Ship
Omron E39-X4 Light Source
OMRON H5-CN-BN TIMER SOURCE:12 TO 48VDC UN FROM . OB1
OMRON H5-CN-BN TIMER SOURCE:12 TO 48VDC UN FROM . OB1
OMRON Sysmac C60 K Programmable Controller PLC
OMRON Sysmac C60 K Programmable Controller PLC
OMRON Sysmac C60 K Programmable Controller PLC
Omron Z4D-F04D Micro Displacement Sensor UN
Opto 22 B4 32-channel Digital Brain Pamux Board -
Opto 22 B4 32-channel Digital Brain Pamux Board -
Opto 22 G4 IAC5 Solid State Input Module G4IAC5 UN
ORMEC AC SERVO MOTOR MAC-B200F/K1A FREE SHIPPING
ORMEC AC SERVO MOTOR MAC-B200F/K1A FREE SHIPPING
ORMEC AC SERVO MOTOR MAC-B200F/K1A FREE SHIPPING
Ormec F Series Part # PAC-F50R 230vac 50amp power supply -
Ormec F Series Part # PAC-F50R 230vac 50amp power supply -
Ormec F Series Part # PAC-F50R 230vac 50amp power supply -