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Advanced course of Power Electronics for Masters: Syllabus https://moodle.e-ope.ee/course/view.php?id=2238 (guest entrance) and http://learnelectronics.narod.ru/ (free entrance) 1 Advanced course of Power Electronics for Masters: Syllabus Timetable 2 Advanced course of Power Electronics for Masters: Syllabus Topics 1. Power system engineering • • • • Objective of electronic system design Electrical motors as the objects of electronic control Motor supplies: rectifiers, inverters, ac/ac and dc/dc converters Power electronic components 2. Gating of power switches • • • • Phase modulation Block modulation PWM – pulse-width modulation SVM – space vector modulation 3. Motor drive control engineering • Transfer functions and block diagrams • Signal converters and controllers • Controller design and drive tuning 3 Advanced course of Power Electronics for Masters: Syllabus Manuals 4 Advanced course of Power Electronics for Masters: Syllabus Laboratory 1. Commissioning the power converter 2. Taking power converter characteristics 3. Computer examination of power converter SAGEDUSMUUNDUR ACS800 Supply Pingestatud Töötab Pealüliti Start SAGEDUSMUUNDUR ACS800 Kaitse Rike Stopp L2 L3 PE UDC+ UDC- PE Start U L1 V L2 W L3 N Kaitse Rike Stopp V W PE UDC+ UDC- PE Load machine converter ABB ACS 800 ABB ACS 800 Working machine Clutch Avarii Pöörlemissuund - Kiirus + U N Working machine converter PC (Drive windows) Pingestatud Töötab Pealüliti L1 N Supply Avarii Pöörlemissuund - Kiirus + Load machine Speed sensor (enkooder) 5 N Advanced course of Power Electronics for Masters: Syllabus Practical design 6 Advanced course of Power Electronics for Masters: Syllabus Practical design: Part 1- Power system engineering • • • • Request for proposal with the individual input data Timing calculation and the mechanism travel diagram Mechanism forces calculation and torque/power patterns Optimum motor-gear set selection and checking 7 Advanced course of Power Electronics for Masters: Syllabus Practical design: Part 2 – Gating of power switches VS1 • Power electronic converter dimensioning and selection or design VS2 U1 U2 VS3 L1 • Data and simulation results with transients of an open-ended system L L2 VS4 L3 • • Appendix 1: operation diagram of the thyristor phase modulation, the transistor 2-phase block modulation, or 3-phase pulse-width modulation VS5 M VS6 Appendix 2: wiring diagram with power circuit and the drive specification 8 Advanced course of Power Electronics for Masters: Syllabus Practical design: Part 3 - Drive control engineering • • • • Block diagram of the control system Controller development and tuning Data and simulation results with transients of a close-loop system; Conclusion of the project summary 9 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 1. 1.1. Request for proposal with the individual input data (Manual 6-9, Textbook 55-60) 1.2. Development of the design algorithm (Manual 9-11) 1.3. Timing calculation and building the mechanism travel diagram (Manual 11-12) 10 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 1 1.1. Design objective in the request for proposal (Textbook 55-60, 76-78, 85-86) 1. 2. 3. 4. 5. 6. 7. Drive specifications Classification by applications Thermal considerations Electrical requirements Constructional requirements Accidental protection Electromagnetic compatibility 11 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 1 1.1. Design objective 1: Drive specifications • • • • • • • • • • • type of application performance conditions and duty supply conditions and harmonics motor type power and torque ratings supply voltage, current, and frequency speed range, minimum, and maximum values accuracy and time response efficiency and power factor service life expectancy standards, rules, and regulations 12 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 1 1.1. Design objective 2: Classification by applications Feature Appliances General-purpose drives System drives Servo drives Applications Home appliances, Fans, pumps, compressors, mixers Test benches, cranes, elevators, hoists Robots, lathes, machine tools Performance Middle Low High Very high Power rating Low Motor Whole range Mainly induction motors Low and middle Mainly servomotors Converter Simple, low cost Open-loop ac and dc Expensive, high quality Typical feature Home, mass production Process, cost sensitive, low performance High accuracy and high dynamic, high precision and linearity 13 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 1 1.1. Design objective 3: Thermal considerations Type Duty S1 Continuous running S2 Short-term S3 Intermittent periodic S4 Intermittent periodic with a high startup torque S5 Intermittent periodic with a high startup torque and electric braking S6 Continuous-operation periodic S7 Continuous-operation periodic with a high startup torque and electric braking S8 Continuous-operation periodic with related load-speed changes 14 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 1 1.1. Design objective 4: Electrical requirements Usup Line chokes or transformer Uload Input filter Overvoltage protection Power electronic converter M Output filter 15 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 1 1.1. Design objective 5: Constructional requirements IP X – protection against accidental contact 0 No protection No protection 1 Large surface and solid objects exceeding 50 mm in diameter Dripping water (vertical falling drops) 2 Fingers and solid objects exceeding 12 mm in diameter Water drops falling up to 15˚ from the vertical 3 4 Tools and solid objects exceeding 1 mm in diameter Y – protection against penetration of water Spray water up to 60˚ from the vertical (rain) Deck water (splash water from all directions) 5 Any object and harmful dust deposits, which can interfere with operation Jet water from all directions 6 Any contact and any kind of dust Temporary flooding (deck of a ship) 7 Effects of brief immersion 8 Pressurized water 16 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 1 1.1. Design objective 6: Accidental protection Usup Uload Mains fuses Circuit breaker Chokes and filters Switches blocking M Switch cabinet 17 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 1 1.1. Design objective 7: EMI protection means Counter-measure Effect Frequency At source Mains Mains harmonics At load Up to 100 Hz Avoid circulating currents Balanced signal circuits. Avoid earth loops in signal paths 100 Hz…2,5 kHz Line and/or dc link reactor on rectifiers. Higher pulse number rectifier. Avoid loops in signal paths. Lowimpedance supply. Harmonic filters Balanced signal circuits. Avoid loops in signal paths. Filtering Intermediate 2,5 kHz…150 kHz Filters Filtering. Screening. Balanced signal circuits Low frequency 155 kHz…30 MHz Filters. Cable screening Filtering High frequency Higher than 30 MHz Screening. Internal filtering Screening 18 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 1 1.2. Development of the design algorithm 1.3. Timing calculation and the travel diagram development Report on Lesson 1 19 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 2 2.1. Mechanical force calculation (Manual 12-15) 2.2. Building the torque or power patterns over the travel diagram (Manual 12-15) Report on Lesson 2 20 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 3. Motor-gear-converter kit selection (Manual 16-19) 3.1. Finding the load angular speed ω’ 3.2. Finding the maximum static countertorque M’ 3.3. Finding moment of inertia J’ 3.4. Optimum motor-gear-converter set selection 21 Advanced course of Power Electronics for Masters: Power System Engineering U1 sΨ1 Lesson 3 3.1. Electrical motors (Textbook 166-171) I1R1 E1 I1 θ I12 θ I2 E2 N Φ Ψ1 Ψ12 Ψ2σ Ψ2 Ψ2σ r + ψ θ B I S M12 Fr Bςlr sin θ ψ I 22 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 3 3.2. Electrical motors: Induction motor (Textbook 171-187) , ω1 = ω2 + ω12 ω1 E1 E , ω2 2 ψ1 ψ2 ω1 θ θ2 ω ω2 ω0 φ 1 ,ω 1 p p p S f2 ω0 ω ω2 f1 ω0 ω1 23 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 3 3.3. Electrical motors: Synchronous motor (Textbook 188-192) q sΨ ω1= ωI12R 1 1 β M Mmax I1 E1 1 U1 d Ψ1 θ 2 α θ12 θ ω* q ω1= ω12 β – I1 sΨ 1 U1 IL1* I1R1 E1 ω controller M* Current IL2* Currentcontrolled reference IL3* converter unit d Ψ1 θ Ue1 Ue2 2 θ12 Ue3 α BQ M 24 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 3 3.4. Electrical motors: DC motor (Textbook 192197) α sΨ U1 β ω I1R E1 1 I1 θ M Ψ1 2 UM RM IM ψ1 kc Φ ωM 25 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 3 3.5. Power electronic converters (Textbook 13-54) 1. 2. 3. 4. AC/DC converters - Rectifiers DC/AC converters - Inverters AC/AC converters - Changers DC/DC converters - Choppers Us ~ = Ud M M Ud = Us su ~ Us ~ load M p ~ Us Ud = load Ud sup M = 26 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 3 3.6. Power electronic converters: Rectifiers (Textbook 14-23) Circuit type kU Us Ud kI Is Id kP Ps Pd cos φ Pd Ps kR UR Ud kF IF Id kr Ur 2Ud M1 2,22 1,57 3,10 0,29 3,14 1,00 1,57 M2 1,11 0,71 1,58 0,64 3,14 0,50 0,78 B2 1,11 1,00 1,11 0,90 1,57 0,50 0,78 M3 0,85 0,58 1,58 0,64 2,09 0,33 0,25 B6 0,42 0,82 1,05 0,95 1,05 0,33 0,06 27 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 3 3.7. Power electronic converters: Inverters (Textbook 23-34) + VT1 VD1 VT2 VD2 VT4 VD4 U s M Ud VT3 VD3 – VT1 VD1 VT2 VD2 VT3 VD3 C L1 Ud M L2 C L3 VT4 VD4 VT5 VD5 VT6 VD6 28 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 3 3.8. Power electronic converters: AC/AC converters (Textbook 34-43) L VD1 VD2 VD3 VD7 VT1 VT2 VT3 VT7 C M R VD4 VD5 VD6 VT4 VT5 VT6 29 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 3 3.9. Power electronic converters: DC/DC converters (Textbook 43-54) L VT + Ud load VD VD1 Ud load C Ud sup Id load M – + VD2 Ud sup + L VT1 Id load Ud load C M VT2 Ud load VT1 VD1 VT2 VD2 – Ud load Ud load Id load Ud sup M VT3 – VD3 VT4 VD4 30 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 4. Motor-gear-converter kit examination (Getting started eDrive) 4.1. Building the static torque-speed diagram 4.2. Building the dynamic torque-speed or current-speed diagram 4.3. Examination calculation Report on Lessons 3, 4 31 Advanced course of Power Electronics for Masters: Power System Engineering Lesson 5. Power electronic converter dimensioning or design 5.1. Power converter description (Textbook 61-91) • • • • • • Transformers and inductors Diodes and thyristors Transistors Snubbers and clamps Braking resistors Filters 5.2. Building the modulation diagram (Textbook 121-141) 32 Advanced course of Power Electronics for Masters: Gating of Power Switches Lesson 5 5.2. Phase modulation 1 Us UL3’ UL1 UL1’ UL2 UL3 UL2’ θ1 Umax α u* uc θ1 θ1 IG1 θ1 IG6 θ1 IG2 θ1 IG4 θ1 IG3 IG5 θ1 33 Advanced course of Power Electronics for Masters: Gating of Power Switches Lesson 5 5.2. Phase modulation 2 Us sup, Us load UL1 UL2 UL3 UL1 UL2 UL3 θ1 uc u* θ1 34 Advanced course of Power Electronics for Masters: Gating of Power Switches Lesson 5 5.2. Block modulation 1 Tc VT1, VT4 θ1 θ1 VT2, VT3 Us θ1 θ1 VD1, VD4 VD2, VD3 ton VT1 a. toff θ1 VT2 θ1 VT3 VT4 θ1 θ1 Us1 θ1 θ1 Us2 b. 35 Advanced course of Power Electronics for Masters: Gating of Power Switches Lesson 5 5.2. Block modulation 2 2π π VT1 VT2 VT3 VT4 VT5 VT6 UL1 UL2 UL3 θ1 θ1 θ1 θ1 θ1 θ1 θ1 θ1 θ1 UL1L2 θ1 UL2L3 UL3L1 θ1 θ1 36 Advanced course of Power Electronics for Masters: Gating of Power Switches π 2π VT1 θ1 θ1 VT2 VT3 θ1 VT5 θ1 1 VT6 UL1 θ1 θ1 UL2 0,67Ud 5.2. Block modulation 3 θ1 UL3 0,16Ud Lesson 5 θ1 VT4 0,5Ud θ1 UN θ1 UL1N θ1 UL2N θ1 θ1 UL3N Ud UL1L2 VD4 VD1 θ1 UL2L3 θ1 UL3L1 θ1 37 Advanced course of Power Electronics for Masters: Gating of Power Switches Lesson 5 5.2. PWM 1 U ton toff uc u* U θ1 θ1 Tc Us Us θ1 θ1 38 Power Electronics for Masters : Gating of power switches ton toff uc u* θ1 Lesson 5 θ1 5.2. PWM 2 T* UL1 UL2 θ1 UL3 θ1 θ1 UN UL1N UL2N θ1 UL3N θ1 UL1L2 UL2L3 UL3L1 θ1 θ1 θ1 θ1 39 Power Electronics for Masters : Gating of power switches 0 π/3 2π/3 π 4π/3 5π/3 2π π/3 2π/3 π 4π/3 5π/3 2π π/3 Lesson 5 Tc T* Lesson 5.2. SVM UL1 θ1 UL2 θ1 UL3 θ1 UN UL1N θ1 θ1 UL2N θ1 UL3N θ1 UL1L2 θ1 40 Advanced course of Power Electronics for Masters: Gating of Power Switches Report on Lesson 5 Lesson 6. Building of wiring diagram with power circuit and drive specification (Textbook 198-235) Report on Lesson 6 41 Advanced course of Power Electronics for Masters: Motor Drive Control Engineering Lesson 7. Development and tuning a controller (Manual 20-29, Textbook 142-165) 7.1. Development of the block diagram (Manual 20-22) 7.2. Auto tuning and fine-tuning (Manual 22-27) 7.3. Simulation of the close-loop system (Getting started eDrive) 42 Advanced course of Power Electronics for Masters: Motor Drive Control Engineering Lesson 7 7.1. Transfer functions and block diagrams u* U ω E a. M I b. E c. ω M I d. U e. I M – M –s ω E f. 43 Advanced course of Power Electronics for Masters: Motor Drive Control Engineering C R2 R1 Lesson 7 Uin Uout 7.1. Signal converters and controllers a. C R2 C R1 R2 R1 Uin Uout Uin Uout b. c. C2 C1 C2 R2 R2 C1 R1 R1 Uin Uout d. Uin Uout e. 44 Advanced course of Power Electronics for Masters: Motor Drive Control Engineering Lesson 7 7.2. Controller design 1 z* z – a. zky 3. a1=2,a2=4 (SO) 2. a1=2 (MO) 1 2. a1=4 (EO) 1. a1=2 c. t 2 4 6 8 10 12 14 16 Tμ 45 Advanced course of Power Electronics for Masters: Motor Drive Control Engineering Lesson 7 7.2. Controller design 2 z’* z* – z’ z – 46 Advanced course of Power Electronics for Masters: Motor Drive Control Engineering Report on Lesson 7 Lesson 8. Report defense Graded credit 47