康高壓變頻器培訓完全版-part

20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentof者礎(chǔ)基變頻基礎(chǔ)者者20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentof電機調(diào)速的方電機調(diào)速基本N=60f(1-s)/pf=電機供電S=(n0-n)/n0轉(zhuǎn)差P=電機極對電機調(diào)改變電機的極對改變電機的轉(zhuǎn)差改變電機的頻率變頻器的基VVVF-變壓變頻同時進行是電機正常運行的需E=4.44fKNF,電機N-每相繞組匝?-電機氣隙磁保持磁通恒定的必電機在任何速度下都應保持磁磁通太強-電機勵磁電流過磁通太弱-電機鐵芯利用不充分，輸出力矩下技-Pulsewidthmodulated的類型 -正弦準優(yōu) - 優(yōu) -指定諧波消 ，轉(zhuǎn)矩脈動最S調(diào)制信號為正弦載波信號為三角單極性調(diào)制，雙極性調(diào)制單相變頻器

sQ1-+12 3

ofCell波形電力電電力電電阻在電路中起限制電流或產(chǎn)生壓降的作用電電感在電路中無功能量的作用，限制電20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentof者電力電二極管廣泛應用與各種整流電路中三極

三極管（BJT）是一種電流型控制型全控器，可工作在截止，放大，完全導通三種狀態(tài)者者20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentof電力電-絕緣柵型雙極晶體管。是一種廣泛應CGECGECT GC（SC）通用變頻器按主回路結(jié)構(gòu)形電流源電壓源按控制U/F控轉(zhuǎn)差頻率矢量控直接轉(zhuǎn)矩高壓變頻技按輸出高-高-底-按電路三電平（中點鉗位式按緩沖20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentof者TTypical者者20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentofFromSCRTypicalGTO/SGCT

SERIESGTO's/3個6500V器器器器器器器FromSCR

Output20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentof者型聯(lián)串元者

功率單元功率單元功率單

柜制控控制柜柜制控控制柜柜制

板制控元單單元控制板板制控元纖光光纖輸高出壓高壓輸出輸高出

高機電壓高壓電機高機電者者20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentof康高壓變頻器原理康高壓變頻器該頻器為元串，相式，電壓源363相6V）20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentof者完美無諧波變頻器設計4160V的輸出可以通過480V單元的疊加形成,6000V的輸出則由630VA2400LINE-TO-相電INPHASEAT240

VVVVV

4160VOLTS線電THESESOURCESAREINPHASEATZERODEGREESLAG

V

V

V

NVN

V

V

VC

THESESOURCESAREINPHASEAT120

VB20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentof者

諧波完完美無諧波3V高壓變頻器組成結(jié)

率功元單功率單元率功元元單率功功率單元元單率元單率功功率單元元單率單率功元功率單元單率功率功元單功率單元率功元元單率功功率單元元單率

18脈沖整流結(jié)功率單元結(jié) 率功元單功率單元率功元

單板制控元單元控制板單板制控

元單率功功率單元元單率

接纖連光光纖連接接纖連出壓輸高高壓輸出

控制控制高機電壓高壓電機高機電者者20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentofA相波形圖（三個單元疊加者者20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentof完美無諧波下一代系統(tǒng)框者者Chanels13-24Pwr&HEFailChaChanels1-12

Fedback,&Pwr,IPCarrierBoard(ogIPCarrierBoard(ogIPIPIPSingleBoardComm1RS232Out(forDebugonly)k +5,-12Vdc&Gndk +5,+12,-12,-5Vdc;Gnd&Sense

37Pin

HallEffectHallEffect

(I/O(I/OPower+5,Power+5,+12,-12,-5W/PwrFail2003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentof者者20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentof系統(tǒng)外電子電子20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentof者NXGNXG控制基于PC所有電路板插入一個ISA總線底板上CPU模/插件箱外部信號調(diào)理板用戶輸入/(DCR控制WAGOandHall者者20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentofNXG控制硬CPU板前視組 430

以太網(wǎng)UserPentium?MMX266 鍵NXG控制硬CPU板后視模SDRAMCPUCPU: Pentium?MMXCPU266系統(tǒng)內(nèi)存:144-pinSODIMMRAM8M-256MSDRAM內(nèi)存CompactFlash?IDE接口盤用于變頻器控制軟系統(tǒng)程配置文件內(nèi)置以太網(wǎng)控制器:In ?SB82558/SB82559,RTL-8139;10/100Mbps

NXG控制硬A/D轉(zhuǎn)換A/D轉(zhuǎn)換模20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentof者NXG控者A/D轉(zhuǎn)換ISA總線基板能插入最多3塊A/D未定脈沖 板，用于閉環(huán)矢量控制#340路通道,12bit,10Sec轉(zhuǎn)換時間,同時5路采輸入/輸出電流輸入/輸出電壓者者20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentofogI/O

NXG控制硬系統(tǒng)接口

Interfaceto者者20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentofNXG控制硬系統(tǒng)接口(線電壓(線電流提供所有電壓/與ISA總線無通訊聯(lián)系，僅從ISA獲取電源（+-者者20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentof

NXG控制硬件旁路控

(光纖)至光纖

ISA總 系統(tǒng)接口板插數(shù)字調(diào)制基于 –結(jié)構(gòu)靈與功率單元的通訊速率達到接受并處理來自CPU 控制，并且 頻率可調(diào)( 開關(guān))頻率范圍:200-1200Hz采樣頻率:3.0-6.0kHz(根據(jù)開關(guān)頻率及單元數(shù)目自動調(diào)節(jié)在板電池后備RAM(60KB).用于 單元光纖I

NXG控制硬光纖20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentof者NXG每塊板能提供多達12通過一個60輸入/ISA總線金手指僅提供+-5V光纖收/者者20032003ROBICONNoportionofmaybereproducedeithermechanicallyorelectronicallywithoutthepriorconsentof

NXG控制硬信號

120Vand輸入/輸出電信號接線端NXG控制硬信號標準DIN120VACor24VDC輸入/輸出電流備有二次Modbus總線

NXG控制硬用戶輸入/終端模開關(guān)模擬量輸開關(guān)量輸NXG控制硬用戶輸入/所有的用戶輸入/輸出由WAGOI/OWago?系統(tǒng)與CPU之間通過速度高達115KBAUD的高速系統(tǒng)支持輸入/輸出模塊通過簡單的插到DINNXG控制硬用戶輸入/模塊色標：WAGOI/O系統(tǒng)中，不同功能的模塊用不紅色-開關(guān)量輸出黃色-開關(guān)量輸入藍色-模擬量輸出綠色-模擬量輸入無色-特殊功能