DS200CSSAG1B

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描述

 变压器变频器产生的谐波会增加变压器的磁滞损耗涡流损耗及铜耗,谐波频次越高损耗越大,损耗增大将引起变压器发热严重,加重变压器绝缘的负担。变频器产生的频次为基波频率倍数的谐波会在变压器的接成的绕组中形成环流,使绕组过载。同时谐波还会使变压器的噪声增大。
    电力电缆断路器电力电容器电动机电磁性继电器感应型继电器继电保护装置整流型继电器谐波电流在电缆内流动不仅会引起电缆的附加损耗,还会使电压波形出现尖峰,损害电缆,从而加速电缆绝缘的老化,电缆的额定电压越高,谐波危害越大若流过断路器的电流中含有较大的谐波,在电流过零点时的可能比正常值大得多,这样就会使断路器的开断能力降低,其触头的烧损机会大为增加。
 谐波使电力电容器产生额外的损耗,同时谐波使电压波形畸变产生尖峰电压,损害电容器的绝缘。若变频器产生的谐波频率与电容器和系统的其他部分构成的串联或并联谐振回路的谐振频率相等或相接近时就会出现谐振,使电容器不能正常运行,过热或损坏。谐波使电动机的铁耗铜耗和附加损耗增大,同时谐波电流流入电动机会引起电动机的附加转矩,附加转矩会使电动机产生机械振动和噪声,机械振动对电动机的损害是非常大的,它将严重影响电动机的寿命。
    当流过继电器线圈的电流含有谐波电流时,与继电器的动作力矩成正比将是包含基波在内的各次谐波电流的有效值,这样当谐波电流超过一定值时就会影响继电器的动作值,一般来讲,由于电磁型继电器的惯性比较大,只要谐波电流的含量不超过一般影响不大。

JDS FITEL TB2500-EC TUNABLE ETALON CONTROLLER

HP 6206B DC Power Supply ,0-60V,5A / 0-30V,1A

HP 6281A DC Power Supply ,0-7.5V,0-5A

LEICA MICROSCOPE zoom 2000,Z45 L , excellent condition

TEKTRONIX ST2400 SDH/SONET SET WITH OPTION

FOTEC S FS370 238 FIBER POWER SOURCE

Agilent 37718A Omni-Ber 718 Communications Performance

OptiSpec EKE Light source For Video Microscope QTYS 5

HP 81689A Tunable Laser module.w opt 072

Agilent 83481A Dual rate optical/electri​cal plug-in Opt

EFD Model 1500XL Adhesive Dispenser

TEKTRONIX ST2400 SDH/SONET SET WITH OPTION

Vytran PTR-100 Automatic Fiber Recoater

WaveSplitter 1×2 C-band Fused Fiber Coupler

DiCom SCD1263 Forward Pump Islator

JDS Fitel P/N WD1414-Z00033

Intermec MicroBar 9710 Decoder for Barcode Scanners

Visual Inspection / Alignment Station

Ando AQ8423Z Optical Amplifier Analyzer

Philips PM5193-M Programmable synthesizer / function ge

ADE 3401 Capacitive probe, 115V, 50/60Hz.

Hitec 3201-SP Proximic capacitive reactance tester

LeCroy 9374L Oscilloscope, 1GHz,

INO FAD-180 Benchtop Erbium-Doped Fiber Amplifier

Premises,Fiber NCA-8021-001 SM SBJ 13000 FT

JDS Oprel BBS-30-F1-131 Broadband light source

JDS Oprel OFA17-1241S Erbium Doped Fiber Amplifier

JDS/Uniphase SWS15115 Receiver

LeCroy DDA-120 Disk Drive Analyzer. Color Oscilloscope

ANRITSU ME3620A SDH SONET ANALYZER RECIVER

Lambda LK-340A-FM-2108 regulated power supply

Lambda LPD-421A-FM dual output regulated power supply

Lambda LK-343A-FM regulated power supply

GN Nettest 9470 2 MBPS Protocol Analyzer

Lambda LK-342A-FM regulated power supply

TEKTRONIX ST2400 TRANSMITER SDH/SONET SET WITH OPTION

Ericsson Fusion Splicer FSU 925-A PM w /power

BUEHLER ECOMET 3 VIRABLE SPEED GRINDER POLISHER

NATIONAL INSTRUMENTS 763061-01 REV C -X2 GPIB CABLE 1MT

NATIONAL INSTRUMENTS 763061-01 REV C -X2 GPIB CABLE 2MT

Tektronix TDS694C REFURBISHED 3GHz 4CH 10GSa w options

OptiSpec EKE Light source 4 units

Corning Vascade L1000 Optical Bare Fiber 31km CPC6

DiCon GP700M Programmable Fiber Multi Switch 1×4

Tektronix TDS754C 500MHz 4CH 2GS/s Digital w options

DiCon GP700 Programmable Fiber Multi Switch 1×2

HP 83446A STM-16/OC048 LIGHT WAVE CLOCK/DATA RECEIVER

Melles griot 17 MMR 001 main rack with cards

Agilent 35670A Dynamic Signal Analyzer W Options

NATIONAL INSTRUMENTS 763061-01 GPIB CABLE 2Meter New

NATIONAL INSTRUMENTS 763061-01 GPIB CABLE 2Feet New

HP 81000BA, Bare Fiber Adapter. 125 um, threaded

HP 83485B 30 GHZ OPTICALPLUG-IN Band

Agilent 83493A Clock Recovery Module

Agilent J4233A, DWDM Transmitter Module

Agilent J4226A, DWDM Transmitter Module option std

Agilent E1676A 2.4 Gb/s SONET/SDH Transport Overhead

LeCroy DDA-125 Disk Drive Analyzer. Single 8 GS/s 16 M

OptiSpec ME3200 Fiber Optic Video Microscope

Hewlett Packard 37717C , Omniber717 WITH OPTS

Hewlett Packard 37717C with 110,A3B Omniber717

HP/Agilent E1406A VXI COMMAND MODULE

Agilent J4223A SpectralBER DWDM Controller with Option

TEKTRONIX VX4610 TEKTRONIX SDH/SONET GENERATOR RECEIVER

WaveSplitter 2×2 C-band Fused Fiber Coupler

Hewlett Packard 70842B Error Detector Module,

JDS Uniphase MAP+2B00 WITH Tunable grafing filter

HP 83480A / E2602A Digital Communications Analyzer

OptiSpec ME6000 Portable Fiber Optic Inspection Scope

OptiSpec module- scope Fiber Optic Inspection Scope

Agilent E1676B 2.4 Gb/s SONET/SDH Transport Overhead

JDSU SAMTA200 1X4 fiber optic switch bank w/ 8 modules

Agilent 8702A Lightwave Analyzer 300k-6Ghz w opt

JDS SA8MTA200 1×4 switch plug-in for MTA Mainframe

Sii Seiko Model OFL-12 Fiber Polisher

Corning SMF LS Optical Bare Fiber100 km

Santec Wave LengthTunable Semiconductor Laser TSL-210

TEKTRONIX TDS744A Digitizing Oscilloscope w opts.

LeCroy 9384AL Oscilloscope 1GHz,4GSa/s,4ch

Tektronix Model 7854 4 Channel Oscilloscope. With Opt.

WaveSplitter 2×2 C-band Fused Fiber Coupler

EFD Model 1500 XL Adhesive Dispenser

Ando AQ6315A Optical Spectrum Analyzer

TEKTRONIX TLS216 LOGIC ANALYZER OSCILLOSCOPE

ANRITSU MP1651A ERROR DETECTOR, .05-3 GHZ

JDS HA9 Optical Attenuator

DiCon GP700 Programmable Fiber Multi Switch 1×32,1×4

TEKTRONIX 2467B Oscilloscope, Analog. 400MHz 4 Channels

LeCroy DDA-120 Disk Drive Analyzer. Single 8 GS

ALPHA FIT 221 HEAT SHRINKABLE TUBING 70′ 3/8″ CLEAR

HP E4433B Signal Generator ESG-D Series250kHz- 4.0GHz

FOTEC M FM300 FIBER POWER METER

Photon Kinetics 7500 OTDR

Lecroy 452 500 MHz Wavesurfer DSO Digital Oscilloscope

fibersystems single mode fiber SMF-28 4 X10km w sc/upc

fibersystems single mode fiber SMF-28 4 X5km w sc/upc

Agilent 8164A lightwave measurement system

SPIRENT SMARTBITS 6000B LAN NETWORK ANALYZER NETCOM

JDS Fitel Broadband Noise Source BNS1415

Agilent/HP 81554SM Laser Source Module 1310/1550 SM

WILCOM T207 LONGITUDINAL BALANCE TEST SET

HP 81689A Tunable Laser module.w opt 021

Tektronix TDS784D Digitizing Oscilloscope DC to 1GHz

Tektronix AWG520 / 003 Arbitrary Waveform Generator

Single Mode fiber SMF-28 Optical Bare Fiber 100km

Single Mode fiber SMF-28 Optical Bare Fiber 250km

Single Mode fiber SMF-28 Optical Bare Fiber 5km

Single Mode fiber SMF-28 Optical Bare Fiber 10km w LC

Single Mode fiber SMF-28 Optical Bare Fiber 15km

Corning SMF-28 4 X 25km w sc/upc in box

Corning SMF-28 Optical Bare Fiber 200km / 4 spools

Corning SMF-28 Optical Bare Fiber 200km / 8 spools

Corning SMF-28 2 X10km w sc/upc In box

Corning SMF-28 2 X7km 1x 13km w sc/upc In box

Tektronix 1103 Probe Power Supply 2 ch

VGA to 4 BNC Cable Breakout Adapter 9ft

Black & White Ikegami PM-930A Monitor Used W/Stand

Anritsu MP1763C .05 -12.5 GHz Pulse Pattern Generater

Anritsu MP1764C 12.5 GHz Error Detector with Option 01

Herz DT-Z Air suspended vibration isolator

HP 3478A Multimeter, 5.5 Digit

FIS 9050-0000 OV-LS Optical light source

Agilent 86100A Infiniium DCA Oscilloscope Mainframe

HP 83480A Digital Communications Analyzer

Agilent 8494G 10MHZ-18GHZ POWER SENSOR W OPT 001

Agilent 4436A Attenuator DC to 1.5 MHz, 0-119.9 dB in 0

HDMI to VGA RCA Adapter Cable 5ft

JDS Fitel RM3750B ( RM3750B+Z0001 ) Backreflect Meter

HP/Agilent 8156A Optical Attenuator with option 101

HP/Agilent 81536A InGaAs, +3 to -70 dBm, 800 to 1700nm

Corning Leaf (R) Optical Bare Fiber10.5km

OptiSpec EKE Light source For Video Microscope

NEWPORT ORION-CM Fiber Alignment System

TTC T-BERD211 Communications Test Sets T1 TRANSMISSION

LeCroy 9354AL 500MHz Oscilloscope w options

LeCroy 9354M 500MHz Oscilloscope w options

LeCroy 9314L Quad 300MHz Oscilloscope

LeCroy 9354AM 500MHz Oscilloscope w options

Agilent 8168A Tunable Laser Source 1450-1588nm

GN Nettest/Photone​tics 3642HE L Tuneable Laser Source

Metcal Rework System MX-500P Soldering Power Supply

Hewlett – Packard 83487A/041 Dual Rate Optical/Electri​c

LeCroy 9211 Pulse Generator module

Agilent 8168D Tunable Laser Source 1480-1570nm

Agilent 3499A / 44478A Switch Control Mainframe W card

INO FAD-183 Benchtop Erbium-Doped Fiber Amplifier

LeCroy LC534L Oscilloscope, Digital: 1GHz,2GSa/s

JDS Oprel OFA17D-12131S Erbium Doped Fiber Amplifier

HP 8483A / Agilent 8483A Power Sensor 100 kHz to 2 GHz

Agilent 10462A TTL Clock Pod for Agilent logic analyzer

Agilent (HP) 10460A TTL CLOCK POD TTL CLOCK POD

3M /Photodyne 17XTA Fiber Optic Power Meter

Fluke 27 Analog/Digital Multimeter, Handheld

MTP SC 24F HARNESS 2 SET

ILX LIGHTWAVE LNF-320 Low Noise Filter

HP/Agilent 85680A Spectrum Analyzer System

Agilent 8168A Tunable Laser Source 1445-1596nm w 003

Agilent 8168A Tunable Laser Source 1480-1570nm w 022

Agilent 81651A Fabry Perot Laser 1550 nm

Agilent HP 2090-0210 HP 2090-0210 Color Replacement CRT

GNB EPX16 ,EPX100, EPX000 and 3 EPX300

Hendry 16176-02R+03 Fuse Power Panel

TEKTRONIX ST112 Sonet Transmission Test Set w opts

ILX Lightwave LDT-5910 Temperature Controller

TEKTRONIX SJ300E SONET/SDH JITTER & WANDER ANALYZER Opt

Exfo BRT-320A Optical reflection meter

HP Agilent 35665A Dynamic Signal Analyzer with opt. 1D4

Agilent 3562A 2ch. 102Khz Dynamic Signal Analyzer

Agilent 8591E Spectrum Analyzer With Options 041 , 101

Agilent 8591E Spectrum Analyzer W Options 041 , 101,105

Agilent 8168A Tunable Laser Source 1440-1585nm

Gnubi EPX600 OC3/12 Sonet.SDH optical TX,

Adtech 400301 OC-3C/STM-1 Single Mode Interface

Gnubi EPX200 Quad DS1 TXCVR

Gnubi EPX16 with CPU AND 4 EPX200,

JDS MTA100 Attenuator mainframe W/8 1×4 Cassets

Tektronix P6217 4 GHz Active Probe

Agilent 70004 / 70820A Microwave Transition

HP 81000KA, Bare Fiber Adapter. 125 um, threaded

HP 81050BL, Bare Fiber Adapter. 125 um, threaded

OMEGA 5TC-TT-J-30-72 Insulated Thermocouples 5 CABLES

Sumitomo SDT8802-RC-QN 622Mbps reciver molded

Hp 16717A 333 MHz State/2 GHz Timing Zoom Logic Analyze

Newport 8016 Modular Controller w 16 ModuLes

Newport 9016 / 8605.8C Modular Controller w 6 ModuLes

Newport 8325D Dual 15W Temperature Control Module

Newport 8510 LDD Temperature Control Module

Newport 6505Temperature Control Module

DiCon GP700 Programmable Fiber Multi Switch 1×32,2x1x4

EXFO IQ-206 / I​Q-2400 w 6 ModuLes

EXFO IQ-206 / I​Q-3100 w 2 ModuLes

FlashLink Model FL-101A

Tektronix P6026B 1X-10X

Corning Leaf (R)Optical Bare Fiber 8.8 km

HP 10430A 10:1 Probe

Burleigh PCS-6000 / 6100 Controller and fixture

AGILENT / HP 8166A Lightwave Multichannel System

NATIONAL INSTRUMENTS 763061-03 REV C X2 GPIB CABLE qty2

FIS F1-8513HR OV-PM Optical Power Meter

Hewlett Packard 3776B PCM Test Set

Hewlett Packard 8970A Noise Figure Meter 10MH-1.5GH

TEKTRONIX ST2400A SDH/SONET SET

Alpha FIT221B-3/64-BK Heat Shrinkable Sleeve 100′

Alpha FIT221B-1/16-BK Heat Shrinkable Sleeve 100′

AP SOIC CLIP SET LTC 20 Test Clips

Antona Corp ANC-9068 SMD Wire-Wrap Prototyping Adapter

Antona Corp ANC-9068J SMD Wire-Wrap Prototyping Adapter

Spirent NetCom Smartbits SX-7410B Spirent SX7410B

Thomas &Betts 50 pieces part # fsps-1-40-c

AP SOIC CLIP SET LTC 24/3 Test Clips

AP SOIC CLIP SET LTC 14,16,20,24/3,2​4,28 Test Clips

NATIONAL INSTRUMENTS 763061-03 REV C X2 GPIB CABLE

Alpha FIT221B-1/4-BK Heat Shrinkable Sleeve 100′

Agilent / HP 5314A HP 5314A Universal Counter

Tektronix AWG2020 Arbitrary Waveform Gen With Opt. 03

Wiltron 54109A 2.20GHz network analyzer W Options

ILX Lightwave LDC-3900 Laser Diode Controller+ ModuLe

Sumiofcas HP-5 Protection Heater

Alpha tft 250 24 Teflon Tubing Natural

Agilent HP 8702D , 5753C , Color Replacement CRT

Corning SMF-LS Optical Bare Fiber 4.5 km CPC6

ANRISTU OPTICAL POWER METER ML93A / MA98A

ANRISTU OPTICAL POWER METER ML93B

Ando AQ8423B Optical Amplifier Analyzer

AT&T 1-4282 LI TEST SET, LITE BOX

Agilent 86100A Infiniium DCA Oscilloscope Mainframe

Agilent E5100A Network Analyzer With E5090A

SYMBOL LLS2104-I000 BARECODE SCANNER W PLUG

ITERMEC 1545 BARECODE SCANNER W PLUG

Lazer-link BARECODE SCANNER W PLUG

Alpha tft 250 24 Teflon Tubing Natural Reel 1000ft

DiCom PA-8-62-SC Variable attenutor Plugin for GP700m

Agilent 8594E Spectrum Analyzer W Options 021 , 101,105

HP E5970A Optical Power Meter

Spirent SX-7410B Communication Analyzer Module

LUCENT SMF-28 SPECIAL BARE SINGLE MODE FIBER 25Km

Tektronix OTS91C1 10GB CLOCK/TRIGGER CARD

Anritsu MP1656A Portable STM-16 Analyze w 01,21

Tektronix OTS91C1 ,OTS91L1,CPU

Anritsu MS9020A OPTICAL LOSS TEST SET

Agilent/HP 10466A 3-State TTL/3.3V Data Pod for 16522A

Single Mode fiber SMF-28 Optical Bare Fiber 25.3km

JDS HA9 Optical Attenuator

Anritsu MS9720A WDM Network Tester


选择深圳长欣,选择放心,售后无忧大量现货,当天顺丰发货!
主营:本特利,英维思,伍德沃德,福克斯波罗、西屋、瑞恩、施耐德莫迪康、ABB、AB、西门子、摩托罗拉、GE发那科、安川、博世力士乐,ACSO,力士乐等各大品牌的DCS系统配件,机器人系统配件,大型伺服系统备件。

先介绍几点经验。
1、先通读一遍“系统手册”(不管能不能看懂,先了解个大概,以便学习编程时查找);
2、由位控逻辑入手,逐渐增加定时、计数等条件,把或、与、非关系理顺;
3、进而练习整数运算、实数运算、类型转换;
4、量程转换、PID调节回路的建立及P、I、D参数的理解(最好是有个物理回路验证,比如变频器+电机+测速传感器);
5、循环、顺序、跳转等程序控制(尽量避免跳转,非跳不可时也是跳的越近越好);
6、中断、通讯、位置控制....

本人以ABB工业机器人配件DSQC系列和Motorola MVME系列,GE 卡件 模块 驱动器系列为主攻。各位电工朋友可根据自己的条件选择适合自己的PLC品牌,由于PLC的基本框架大同小异,学会一种至于其它的学习起来也就简单了。