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Motor Control Altivar Drives basics Briefing

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In this Motor Control Altivar Drives basic briefing we will look at application examples on where variable speed drives are used for Machine - Building - Process.
For more details:
http://www.schneider-electric.com/en/product-subcategory/2905-low-voltage-ac-machine-drives/?filter=business-1-industrial-automation-and-control&parent-category-id=2900

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Motor Control Altivar Drives basics Briefing

  1. 1. Altivar drives basics briefing Property of Schneider Electric Simply reliable. Simply available. December 2017
  2. 2. • Introduction to Altivar Drives  What is a variable speed drive  Applications examples  Basics on motor  Advantages of using • How to bypass some constraints  EMC and Harmonics • Where to find further details • Quiz Table of content Page 2Property of Schneider Electric |
  3. 3. What is a variable speed drive? See what’s inside a drive Page 3Property of Schneider Electric |
  4. 4. Drive constitution Variation of frequency > variation of motor speed Page 4Property of Schneider Electric | T S R D1 D2 D3 D4 D5 D6 Rectifier bridge T1 T2 T3 T4 T5 T6 Inverter C FilterPre-load R S T Filter  Smooth voltageRectifier  Rectified voltage Inverter  Production of AC 3-phase supply — Manage frequency and voltage to the motor um im M 3 ~ U1 & F1 U2 and F2 PWM control
  5. 5. Application examples Electrical motors are everywhere: in residential, building, and process sectors Page 5Property of Schneider Electric | Washing machines Mixers Garage doors Tower cranes Lifts Water distribution Pumps Air treatment Fans HVAC HVAC
  6. 6. Application examples Page 6Property of Schneider Electric | Electrical motors are everywhere: in industrial process and machine sectors Material handling Car cart Conveyors Overhead cranes Palletizers Processes Textile machine Paper machine Machines Woodworking Pick and placePackaging
  7. 7. Application examples Electrical motors are everywhere: in mining, utilities, and water sectors Page 7Property of Schneider Electric | Oil & Gas Oil pump jack Gas pumps Mining Stone crushers Long conveyors Water treatment Settling Settling
  8. 8. What are the most common motors? The most common Asynchronous — Synchronous Page 8Property of Schneider Electric |
  9. 9. Principles of asynchronous motors • Asynchronous motor • Magnetic fields rotate (3 coils at 120°) • Squirrel cage rotor Advantages • Simple, robust, and cheap • Good availability • Better efficiency Disadvantages • Slip on rotor speed Basics on motor How asynchronous motors work Page 9Property of Schneider Electric | 50 Hz (3000 rpm) 48 Hz (2880 rpm)
  10. 10. Principles of synchronous motors • Synchronous motor (PM motors) • Synchronized speed Advantages • Accurate and efficient • Dynamic Disadvantages • Still low notoriety and higher price • Synchronous motor requires drive Basics on motor How synchronous motors work Page 10Property of Schneider Electric | 50 Hz (3000 rpm) Rotor with permanent magnets
  11. 11. Advantages of using variable speed drives Using drives allows … Page 11Property of Schneider Electric |
  12. 12. Objective • Optimize energy consumption Solutions • Regulate and adjust the flow using motor instead of the damper Reduced operating costs Air-handling unit Page 12Property of Schneider Electric |
  13. 13. Flow variation using valves, the motor is fixed speed Drives benefits with pumps and fans The fans power curve (conventional) Page 13Property of Schneider Electric | Power 0% 10 20 30 40 50 60 70 80 90 100 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% Outlet valve Outlet valve Flow
  14. 14. Flow regulation: 80% of nominal flow Outlet valve The power consumption is 98% of power Variable speed drive The power consumption is ~50% of power Drives benefits with pumps and fans The fans power curve (variable speed drive) Page 14Property of Schneider Electric | Flow Power 0% 10 20 30 40 50 60 70 80 90 100 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% VSD drive Outlet valve Energy saved about 50%
  15. 15. Page 15Property of Schneider Electric | • Drives are used in many applications (building, machine, process, etc.) • Drives allow motor speed management and protection of applications • Drives allow energy savings and energy management • Drives have many embedded functions • Electrical motors are more high-efficiency oriented Key points to remember
  16. 16. How to bypass some constraints EMC and harmonics Solution is available in drives Page 16Property of Schneider Electric |
  17. 17. Introduction to EMC Main perturbations Page 17Property of Schneider Electric | High-frequency perturbations = Radio frequency interferences Low-frequency perturbations = Harmonics VoltageCurrent Typically to be observed on high-power drives Radiated emission Conducted emission Typically to be observed on low-power drives Mains perturbations = EMC Electromagnetic compatibility
  18. 18. Radio frequency interferences Conducted and radiated emissions Page 18Property of Schneider Electric | High frequency, 50 kHz to 1 GHz, due to the fast switching (up to 16 kHz) of the motor voltage (PWM of inverter), conducted and emitted. EMC filter Solution is available in drives um i m
  19. 19. What are harmonics? Page 19Property of Schneider Electric | Real waveform Ideal waveform Low-frequency perturbations +
  20. 20. Why be concerned about harmonics? Page 20Property of Schneider Electric | 3 effects • Energy efficiency • Over sizing • Electrical perturbation Increase IRMS, transformer (IRMS), cable size, and circuit breaker. High cost Reduce OPEX Optimize line current, protect against perturbations Solution is available with the adapted filter
  21. 21. • Click here to find info on SE.com • Click here to find Altivar range on SE.com • Click here to access our Digicat • Click here to access to CAD files • Click on the link below for FAQs (frequently asked question) Where to find details Page 21Property of Schneider Electric |
  22. 22. Property of Schneider Electric | Quiz Based on what you’ve learned so far, try to answer to this quiz ? Page 22 Q1 What is the drive basic constitution? Q2 Where can you find drives? Q3 What are the most common motors? Q4 Are variable speed drive increasing energy consumption?
  23. 23. Property of Schneider Electric | Quiz answers Q1 What is the drive basic constitution? A drive is constituted by: a rectifier, a filter and an inverter Q2 Where can you find drives? You find drives in: water distribution , pump , garage doors… Q3 What are the most common motors? The most common are: Asynchronous – Synchronous Q4 Are variable speed drive increasing energy consumption? No, variable speed drive are improving energy efficiency Page 23 Answers
  24. 24. Thank you Page 24Property of Schneider Electric |

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