谐波Harmonics 介绍课件.pptVIP

電 源 諧 波Main Harmonics;0;Danfoss VLT 變頻器…;目錄;何謂諧波 ?;諧波畸變;... or with a more complex series of harmonic currents ...;目錄;諧波產生的來源;為何變頻器產生諧波？;六脈波整流器的諧波電流;變頻器所產生的哪種諧波量？;目錄;諧波電流所產生哪種的影響？;諧波電流所產生哪種的影響？;電壓及電流諧波畸變;電壓及電流諧波畸變;電壓及電流諧波畸變;電壓諧波畸變;中壓側;諧波的影響;目錄;電網系統的定義 ;公共耦合點 PCC;IEEE 519 PCC 定義;變壓器專用術語;諧波分析;;總諧波電流畸變 THIDTotal Harmonic Current Distortion (THID);總諧波電壓畸變 THVDTotal Harmonic Voltage Distortion (THVD);Total Demand Distortion (TDD);電壓畸變率計算;電壓畸變率的屬性;Ideal Power Factor = 1;遲相功率因素Displacement power-factor (DPF);實質功率因素True Power Factor, TPF（λ）;功率因素的比較;目錄;趨勢;諧波限制標準綜述;國際產品標 IEC 61000-3-2（在歐洲地區則稱為 EN 61000-3-2）;IEC 61000-3-2, Iphase ≦ 16ALimits of special interest for professional equipment Three phase: Pin ≦ 1 kW (per phase) = class A Single phase: 600W Pin ≦ 1 kW = class A Single phase: Pin ≦ 600W = class A, when current wave shape is outside π/3 or phase angle controlled Single phase: Pin ≦ 600W = class D when current wave shape is within π/3;IEC 61000-3-4, Iphase 16 A;IEC 61000-3-12 (規劃中)(EN 61000-3-12);EN 61000-3-12 (Future);EN 61000-3-12 (Future);EN 61000-3-12 (Future);G5/4 Engineering Recommendations;IEEE 519-1992 Recommendation;IEEE 519 and EN 61000;香港法規慣例;台電法規;目錄;what most VSD suppliers offer!;六脈波整流器的輸入電流;六脈波整流器變頻器;被動式：;六脈波整流器（附交流電抗器）;整流器的輸入電流;六脈波整流器（附交流電抗器）;六脈波整流器（附直流電抗器）;整流器的輸入電流;六脈波整流器（附直流電抗器）;直流電抗器與交流電抗器之比較;直流電壓比較;THID by Combining AC and DC-Reactance;十二脈波整流器;十二脈波整流器的輸入電流;十八脈波整流器;十八脈波整流器的輸入電流;18-pulse with background distortion;Multipulse converters;PWM 脈寬調變整流器（主動式）;PWM 整流器的輸入電流;使用主動式或被動式濾波器後的電壓畸變;Conclusion;目錄;Danfoss Advanced Harmonic Filter;Danfoss VLT 5052 THID 40 %;Aiming for a high documentation level;THID with different supply voltage conditions;Comparing with 12 and 18-pulse;True Power Factor of AHF vs. Load;Why harm. Filter ?;Advantages of the AHF;Water Pump Station Starnberg;Control Center of the Pump station;1 x VLT 5100 on 400 kVA Trafo;3 x VLT 5100 with filter on 630kVA-Trafo;Reactive Current of 3x AHF 010: 120A;Water Pump Station Starnberg;目