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Schaffner – energy efficiency and reliability

Schaffner – energy efficiency and reliability. EMC Basic Information and Filter Application 電磁相容基本介紹及濾波器應用 Mike Su Sales Manager Taiwan. Agenda. EMC Basic Introduction 電磁相容基本介紹 Filter Selection and Application 濾波器選擇及應用. EMC Basic Introduction. Electronic Environment ( 電子環境 ).

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Schaffner – energy efficiency and reliability

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  1. Schaffner – energy efficiency and reliability EMC Basic Information and Filter Application 電磁相容基本介紹及濾波器應用 Mike Su Sales Manager Taiwan

  2. EMC Basic Information and Filter Application Agenda • EMC Basic Introduction電磁相容基本介紹 • Filter Selection and Application 濾波器選擇及應用

  3. EMC Basic Information and Filter Application EMC Basic Introduction

  4. EMC Basic Information and Filter Application Electronic Environment(電子環境) Interaction of Equipment Emission Immunity

  5. EMC Basic Information and Filter Application EMC ( Electromagnetic Compatibility ) EMI ( Electromagnetic Interference ) EMS ( Electromagnetic Susceptibility )

  6. EMC Basic Information and Filter Application EMC ( Electromagnetic Compatibility ) EMS ( Electromagnetic Susceptibility ) IEC 61000, EN, GB EMI ( Electromagnetic Interference ) CISPR, FCC, IEC, EN, GB • Conducted Disturbance • Disturbance Voltage • Discontinuous → Click • Continuous • Radiated Disturbance • Disturbance Power • Disturbance Filed Strength ( RFI ) • Harmonic IEC 61000-3-2 • Voltage Fluctuations and Flicker IEC 61000-3-3 • Electrostatic Discharge ( ESD ) -4-2 • Radiated EM Field Immunity -4-3 • Electrical Fast Transient/Burst Immunity ( EFT ) -4-4 • Surge -4-5 • Conducted Disturbance Immunity -4-6 • Power Frequency Immunity -4-8 • Voltage Dips, Short Interruptions and Variations Immunity -4-11

  7. EMC Basic Information and Filter Application What is EMI? • EMI: Electromagnetic Interference (電磁干擾) • Scope of EMI -Malfunction of Control System (系統誤動作) -Immunity of Data and program processing (錯誤的資料或製程) -Motor Control • Motor rolling without command (馬達在無命令下旋轉) • Poor repeatability and Accuracy (較差的重現性及準確度) • Command distortion(命令失真)

  8. EMC Basic Information and Filter Application Basic Elements of EMI Problems 干擾源 • Motors • Switches • Arc Welding • Engine Ignition • Lightning EMI Source 信號源 接收端 Signal Source Signal Receptor Path (Coupling) 耦合路徑 • Encoder • Amplifiers • Computer • Radio Receivers • CCD Camera • Motion Command • Measurement signal • Protocol • Voice • Image

  9. EMC Basic Information and Filter Application Coupling (耦合) 直流耦合 電感耦合 電容耦合

  10. EMC Basic Information and Filter Application Coupling Path • Radiated (輻射性) -Antenna to Antenna (天線) -Case Radiation (外殼) -Case Penetration (穿透) -Field to Wire (場對線) -Wire to Wire (線對線) -Field to Field (場對場) • Conducted (傳導性) -Command Ground Impendence (共地阻抗) -Power Line (電源線) -Interconnecting Cable (連接電纜)

  11. EMC Basic Information and Filter Application Types of interference • CM :noises between line and earth (共模干擾) • DM :noises between lines (差模干擾)

  12. L L R N PE EMC Basic Information and Filter Application Differential mode noise L L R N PE Commonmode noise

  13. Improving sine wave curve with sine wave filters Power sine curve EMC Basic Information and Filter Application Power quality – Efficiency for electric and electronic systems PQ technology assures smooth sine waves for voltage and power, increasing efficiency and reliability of electric power systems and electricity grids. 採用正弦濾波器改善正弦曲線 Elimination of reactive power with power quality products 利用電力品質產品消除突波突降

  14. Reduction of electromagnetic noise with Schaffner filters Elimination of reactive powerwith power quality products Improving sine wave curve with sine wave filters Voltage sine curve Power sine curve EMC Basic Information and Filter Application EMC & Power quality supports efficiency and reliabilityfor electric and electronic systems EMC and PQ technologies eliminate electromagnetic disturbances: Assure smooth sine curves for voltage and power.

  15. Power grid EMC Basic Information and Filter Application Electronics is susceptible to interferences from the power grid(電子元件是容易受到來自電力系統中的干擾所影響) • Risk of equipment malfunction or break-down • Schaffner components make electronics reliable Power line interference

  16. Power grid EMC Basic Information and Filter Application Electronics creates interferences harmful to other devices(電子元件製造出的干擾影響其他的設備) • Regulations and standards mandate use of EMC filters • Schaffner components assure compliance with all relevant regulations Deviceinterference

  17. EMC Basic Information and Filter Application Filter Selection and Application

  18. EMC Basic Information and Filter Application Power line filter class • Filtering from LF up to the GHz range Harmonics 50/60 Hz to 2.5 kHz Line reactors Non-regulated LF-range 2.5 to 150 kHz Reactors & EMI filters Regulated RF-range (9kHz) 150 kHz to 30MHz EMI Filters EMI HF-range above30MHz Above 1 GHz Feed throughs

  19. EMC Basic Information and Filter Application

  20. EMC Basic Information and Filter Application Rating currents • Current ratings of EMI filter are determined by individual filter components. Since current flow leads to a temperature rise in passive components, the ambient temperature of the environment where the filter is to be used has a direct impact on the rated current. • Rated current @ ? °C 16A@40 °C

  21. EMC Basic Information and Filter Application Driver rating • The following table shows motor ratings up to 55kw with associated suggested filter rating

  22. Inside of equipment EMC Basic Information and Filter Application Filter Position in Standard Equipment For AC Mains Filter: As close as possible to AC connection • Wrong Installation! (電路板與線路干擾)

  23. Inside of equipment EMC Basic Information and Filter Application Filter Position in Standard Equipment For AC Mains Filter: As close as possible to AC connection • Correct Installation!

  24. M M EMC Basic Information and Filter Application Filter Position in Control Panels Control Panel For AC Mains Filter: As close as possible to AC connection Mains switch • Wrong Installation! (線路與線路間輻射傳導) AC Mains

  25. M EMC Basic Information and Filter Application Filter Position in Control Panels AC Mains Control Panel For AC Mains Filter: As close as possible to AC connection Mains switch • Correct Installation!

  26. Additional safety requirements! M EMC Basic Information and Filter Application Filter Position in Control Panels Control Panel For AC Mains Filter: As close as possible to AC connection Mains switch • Case by Case…. AC Mains

  27. EMC Basic Information and Filter Application Example: cable coupling (線路耦合)

  28. EMC Basic Information and Filter Application Example: cable coupling • Mass cable and no filter

  29. EMC Basic Information and Filter Application Example: cable coupling • Mass cable and with filter

  30. EMC Basic Information and Filter Application Example: cable coupling • Cable clear up with filter (線路整理)

  31. EMC Basic Information and Filter Application Filter Grounding Painted Enclosure Filter Filter Remove paint 將漆面移除

  32. Filter Filter Filter Braided cable 較粗較短地線 EMC Basic Information and Filter Application Filter Grounding

  33. EMC Basic Information and Filter Application Example: filter grounding

  34. EMC Basic Information and Filter Application Example: filter grounding • Pig tail grounding- cable 30cm

  35. EMC Basic Information and Filter Application Example: filter grounding • Short cable-5cm

  36. EMC Basic Information and Filter Application Example: filter grounding • Correct method

  37. Electronic control EMC filter Line Load Motor Motor drive EMC filter EMC Basic Information and Filter Application Schaffner counts most of the large manufacturersof power electronic devices as customers for EMC filters ...

  38. Electronic control EMC filter Line Load Motor Motor drive Harmonicsfilter Transformer EMC filter Output filter EMC Basic Information and Filter Application ... together with complementary power quality products Schaffner is creating the strongest total solution

  39. 1 4 Problem analysis Worldwide support Your EMI & PQ Problems Innovative products Engineering 2 3 EMC Basic Information and Filter Application Schaffner – your EMC & PQ solution provider

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