Table of Contents Chapter I Winding and Repair Calculation of Three-phase Motor Section I Structural Types and Basic Parameters of Three-phase Motor Winding Section II Arrangement of Three-phase Single-layer Chain Winding Section IV-III Single-layer Laminated Winding Section V-III Single-layer Concentric Winding Section VI-III Single-layer Cross Winding Section VII-III Single-layer Concentric Cross Winding Section VIII-III Double-layer Fractional Winding Section XIII Phase Double-layer Concentric Winding Xi- III Single-phase Double-layer Double. Layer-mixed winding 12 Rotor winding of three-phase asynchronous motor Section II Repair calculation of three-phase motor 1 Rewinding calculation of motor winding Section 2 Calculation of variable voltage, 3 Calculation of variable frequency, 4 Calculation of variable pole number, 5 Conversion of variable coil number and winding number, 6 Conversion of parallel branch number of variable winding, 7 Conversion of connection mode of variable winding Chapter II Calculation of single-phase motor winding and repair Section 1 Structure and arrangement of single-phase motor winding. Two single-phase single-layer chain windings, three single-phase single-layer cascade windings, four single-phase single-layer concentric windings, five single-phase double-layer chain windings, six single-phase single-layer double-layer hybrid windings, seven single-phase sinusoidal windings, nine single-phase pole-wrapped windings and ten single-phase tapped speed-regulating windings. Section II Repair calculation of single-phase motor at one start and repair calculation of two single-phase motors in operation. Chapter III Repair calculation of three-shield motor windings and repair calculation of commutator motor winding section 1 Types and structure of commutator motor winding section 2 Repair calculation of commutator motor winding section 2 Repair calculation of DC motor winding section 4 Repair calculation of AC /DC series motor winding section 4 Calculation of pole-changing motor winding and winding pole-changing section 1 Pole-changing motor winding and pole-changing principle Two-pole ratio Pole-changing motor winding arrangement Three-pole ratio Pole-changing motor winding arrangement Four-irregular distribution Pole-changing motor winding arrangement Five-speed motor reverse pole-changing connection mode Six-pole-changing principle and two-speed winding arrangement and connection mode Eight-speed motor winding calculation of winding change of pole-changing motor in the second quarter Chapter V Calculation of winding change of two-speed pole-changing motor and quality inspection of motor winding section I: dismantling and cleaning of winding; Winding original data record; Simple tools and methods for winding disassembly; Cleaning and trimming of three cores Part II: Control of winding and cutting of insulating parts; Design of soft winding die: the process and key points of winding three coils; Manufacturing of insulating parts Part III: Embedding of windings; Preparation before embedding; General rules and skills of embedding operation; Rules and skills of burying three wires. Procedure Section IV Winding Wiring Technology 1 Wire Connection 2 Welding Operation Technology 3 Winding Wiring Section V Shaping and Binding of a Sub-winding 2 Shaping and Binding of Rotor Winding 3 AC -DC Series Excitation Armature Winding Binding Section VI Winding Impregnation and Drying 1 Motor Winding Impregnation and Drying 2 Typical Impregnation and Drying Process Examples Section VII Inspection and Testing of Rewinding Quality 1 Appearance inspection item 2 Insulation resistance detection of motor absorption ratio, determination of DC resistance of three windings, polarity detection of four windings, withstand voltage test of five windings, no-load inspection of six motors, inter-turn insulation strength test of seven windings, eight short-circuit test, Chapter VI Motor performance adjustment and rewinding troubleshooting Section I Analysis and adjustment of electromagnetic performance parameters of rewinding motor, adjustment of unqualified parameters of no-load current, analysis and adjustment of unqualified short-circuit voltage (or short-circuit current), Analysis of three-load current I0 and short-circuit voltage Uk "i" Adjustment and repair of "big" four I0 and UK "one-to-big" motors Adjustment of the best working state of five single-phase capacitor motors Section II Maintenance methods of typical faults of rewinding motor windings 1 winding grounding fault 2 winding short-circuit fault 3 winding open-circuit fault 4 five-winding motor wrong wiring fault Steering setting and wiring Section III Rewinding motor faults and causes 1 Three-phase asynchronous motor 2 single-phase asynchronous motor 3 household appliances fan motor 4 DC motor 5 AC DC dual-purpose series excitation motor Chapter 7 Typical examples of practical wiring of motor windings Section 1 Wiring diagram of three-phase AC motor windings 1 Three-phase single-layer chain 1 2-slot diode winding two-phase single-layer chain 24-slot quadrupole winding wiring diagram three-phase single-layer 24-slot diode winding wiring diagram five-phase single-layer concentric 24-slot bipolar three-phase single-layer crossover 36-slot quadrupole winding wiring diagram seven-phase single-layer concentric crossover 18-slot bipolar winding wiring diagram eight-phase single-layer concentric crossover 30-slot bipolar winding wiring diagram 93-phase double-layer 24-slot quadrupole winding wiring diagram 1 Wiring diagram of three-phase double-stack 36-slot quadrupole winding 1 1 wiring diagram of three-phase double-stack 36-slot quadrupole winding (two parallel circuits) 12 wiring diagram of three-phase double-layer concentric 36-slot quadrupole winding 14 three-phase single-layer hybrid 36-slot quadrupole winding Kloc-0/ Single-Phase Single-Layer Chain 16 Slot Quadrupole Running Winding Wiring Figure 2 Single-Phase Single-Layer Chain 32 Slot Hexapolar Running Winding Wiring Figure 3 Single-Phase Single-Layer Concentric 24 Slot Quadrupole Starting Winding Wiring Figure 4 Single-Phase Double-Layer Chain 8 Slot Quadrupole Running Winding 6 Single-Phase Single-Layer Hybrid 24 Slot Quadrupole Running Winding (Class A) Wiring Figure 7 Single-Phase Single-Layer Hybrid 24 Slot Quadrupole Running Winding (Class B) Wiring Figure 8 Single-Phase Sin 5-B wiring diagram 9 Single-phase sinusoidal winding 24 slot quadrupole 2/2-A wiring diagram 10 single-phase sinusoidal winding 24 slot quadrupole 3/2-A wiring diagram 1 1 Single-phase sinusoidal winding 24 slot quadrupole 3/3/2-A wiring diagram 12 single-phase sinusoidal winding 36 slot A wiring diagram 2-slot four-pole winding connection Figure 14 Single-phase shielded 24-slot four-pole winding connection Figure 15 Single-phase 8-slot four-pole capacitive two-speed fan L-2 winding connection Figure 16 Single-phase 16-slot four-pole capacitive three-speed fan L- 1 4/2 winding connection diagram 17 single-phase/kloc-0. 9 single-phase 16 slot four-pole capacitive three-speed fan T-type 4/2-Bu4 2 winding wiring diagram 20 single-phase 16 slot four-pole capacitive three-speed fan φ-type 4/2-4/2- 1 winding wiring diagram 2 1 single-phase 16 slot four-pole capacitive three-speed fan Winding wiring diagram Section III Winding wiring diagram of pole change 4 2Y/ two-speed winding diagram 3 36 slots 4/6 poles 2Y/ two-speed winding diagram 4 36 slots 4/8 poles 2Y/ two-speed winding diagram 5 36 slots 6/8 poles 2Y/ two-speed winding diagram 6 54 slots 6/ 12 poles 2Y/ two-speed winding diagram 7 36 slots 4/6/. 2Y Three-speed Winding Wiring Diagram Appendix Common Technical Data of Small and Medium-sized Motors Schedule 1Y Series (IP44) Three-phase Asynchronous Motor Core Winding Technical Data Schedule 2YR Series (IP44) Wound Rotor Three-phase Asynchronous Motor Core Winding Technical Data Schedule 3YR Series (IP23) Wound Rotor Three-phase Asynchronous Motor Core Winding Technical Data Schedule 4Y Series (IP44)220/ Technical data of 380V50Hz three-phase asynchronous motor core winding Schedule 5 Technical data of special three-phase asynchronous motor core winding Schedule 6 Technical data of YQSY series oil-filled pump three-phase asynchronous motor core and winding (I) Schedule 7 Technical data of YQSY series oil-filled pump three-phase asynchronous motor core and winding (II) Schedule 8 Technical data of core winding of 89YQS2 series oil-filled pump three-phase motor Schedule 9 Technical data of core winding of YQS series oil-filled pump three-phase motor Schedule 10 Technical data of commonly used submersible winding 1 Kloc-0/Technical data of core winding of three-phase motor 12ZD, ZIDY series conical rotor lifting motor Technical data table1 3JLJ series three-phase torque motor core winding technical data sheet 14JX new series single-phase capacitor running motor core winding technical data sheet 15JY new series single-phase capacitor split-phase starting motor core winding technical data sheet 16JZ new series single-phase impedance split-phase starting motor core winding technical data sheet 17 domestic common brand fan capacitor (220V) Motor winding data sheet 18 domestic common brand ceiling fan capacitive (220V) motor winding data sheet 19 series motor core winding technical data sheet 20 condenser motor core and winding technical data sheet 2 1 Single-phase submersible pump motor core and winding technical data schedule 22G series general motor core and winding technical data schedule 23 series motor core and winding technical data schedule 24YD series three-phase pole-changing multi-speed motor core, Winding technical data Schedule 25Z3 series DC motor core winding technical data Schedule 26 DC motor core winding technical data for auxiliary equipment of electric locomotive Schedule 27 Common electromagnetic wire model Schedule 28 Common enameled round copper wire diameter and cross-sectional area of motor winding Schedule 29 Common fiber wrapped (enameled) insulated round copper wire data Schedule 30 Common insulation material repair schedule 3 1 Special sine and cosine table reference for motor rewinding calculation.