1. 1. 1 inverter overview
1. 1.2 relationship between inverter and motor
1.2 three-phase asynchronous motor
1.2. 1 Working principle of three-phase asynchronous motor
1.2.2 electromagnetic characteristics of three-phase asynchronous motor
1.2.3 variable frequency speed regulation of three-phase asynchronous motor
1.2.4 mechanical characteristics of three-phase asynchronous motor
1.2.5 power and mechanical torque of three-phase asynchronous motor
1.3 motor for frequency converter
1.3. 1 common three-phase cage asynchronous motor
1.3.2 three-phase wound rotor asynchronous motor
1.3.3 special motor for frequency converter
1.4 starting and braking of three-phase asynchronous motor
1.4. 1 Starting of three-phase asynchronous motor
1.4.2 motor braking 2. 1 Classification of frequency converters and AC -DC- AC frequency converters
2. 1. 1 Classification of frequency converters
2. 1.2 AC-AC frequency converter and AC -DC- AC frequency converter
2. 1.3 Composition of AC -DC- AC frequency converter
2.2 PWM principle
2.2. 1 PAM and PWM
2.2.2 output waveform of switch circuit
2.2.3 the basic principle of PWM technology
2.2.4 Three-phase bridge SPWM inverter circuit of frequency converter
2.2.5 low-voltage PWM control inverter main circuit
2.3 medium (high) voltage PWM inverter
2.3. 1 Overview of Medium (High) Voltage Inverter
2.3.2 The power unit is connected in series with the high-voltage frequency converter.
2.3.3 Three-level IGBT High Voltage Inverter
2.3.4 direct IGBT series high voltage inverter
2.3.5 AC-AC frequency converter 3. 1 is basically called control frequency converter.
3. 1. 1 basic u/f controls the torque characteristics of the inverter.
3. 1.2 Application scope of basic u/f control inverter
3.2 Slip frequency control frequency converter (closed loop control)
3.2. 1 control principle
3.2.2 Application of Slip Frequency Control
3.3 Vector Control Inverter
3.3. 1 vector control principle
3.3.2 Use of Vector Control Function
3.4 Direct Torque Control Inverter
Basic concept of direct torque control
3.4.2 Direct torque control method
3.4.3 Application of Direct Torque Control Function
3.5 External function terminal of frequency converter
3.5. 1 main circuit terminal
Operation control terminal
Input control terminal
3.5.4 The output signal indicates the control terminal.
3.6 operation panel
3.6. 1 keyboard
monitor
3.7 Frequency control function
3.7. 1 limit frequency
Acceleration time and deceleration time
3.7.3 acceleration curve and deceleration curve
3.7.4 avoidance frequency
3.7.5 Step speed frequency setting function
Frequency gain and frequency offset functions
Carrier frequency setting
3.8 Setting of control line, torque compensation line and slip compensation control
3.8. 1 u/f control line setting
3.8.2 Setting of Torque Compensation Line
3.8.3 Setting of Slip Compensation Control
3.9 Automatic voltage control function and energy-saving operation control function
3.9. 1 automatic voltage control function
3.9.2 Energy-saving operation control function
3. 10 overload protection, instantaneous power-off restart and braking functions
3. 10. 1 overload protection function
3. 10.2 Instant power outage restart function
3. 10.3 braking function
3. 1 1 Frequency converter function preset and function code selection
3. 1 1. 1 frequency converter coding mode and function code preset
3. 1 1.2 Selection of frequency converter function code 4. 1 frequency converter nameplate and basic functions
4. 1. 1 Nameplate and model naming method of frequency converter
4. 1.2 basic functions
4.2 External terminal of frequency converter
4.3 Functional parameter code
4.3. 1 Basic function parameter code Fá
4.3.2 Extended terminal (multi-function terminal) function parameter code E E×××
4.3.3 Frequency control function parameter code cá
4.3.4 Motor 1 function parameter code p×××
4.3.5 Advanced Function Parameter Code Há
4.3.6 Functional parameter code A A××× of motor 2
4.4 Operation Panel and Function Application
4.4. 1 Appearance of operation panel
Operation and operation
4.4.3 protection action 5. 1 inverter HD control
5. 1. 1 frequency converter: PID control process
5. 1.2 PID control principle
5. 1.3 Selection of PID control parameters of frequency converter
5.2 Constant pressure water supply system of frequency converter
5.2. 1 frequency converter single water supply system
5.2.2 Switching control of frequency converter from power frequency to frequency conversion
5.2.3 Constant pressure water supply system with one machine and multiple frequency converters
5.3 Application of Inverter in Fan
5.3. 1 fan type and working principle
5.3.2 Application of frequency converter in boiler induced draft fan 6. 1 low voltage control circuit of frequency converter
6. 1. 1 motor forward and reverse operation control circuit
6. 1.2 frequency converter manual frequency conversion-frequency conversion circuit
6. 1.3 Other control circuits
6.2 Application of Frequency Converter in Rotary Kiln
6.2. 1 load analysis of rotary kiln
Application example
6.3 Application of Frequency Converter in Crane
6.3. 1 crane operating system and its characteristics
6.3.2 Braking and power requirements of crane frequency converter
6.3.3 Application of Delta Inverter in Hoisting Mechanism
6.3.4 Application of Zhongxing CHV 190 Inverter in Gantry Crane
6.4 Application of Frequency Converter in Injection Molding Machine
6.4. 1 Overview
6.4.2 Frequency conversion control principle of injection molding machine
6.4.3 Characteristic Analysis of Injection Molding Machine Oil Pump
6.4.4 Application characteristics and effect of frequency converter control of injection molding machine
6.5 Application of Frequency Converter in Elevator
6.5. 1 Overview
6.5.2 6 16G5 universal frequency converter speed regulation system
Selection of frequency converter
6.5.4 Frequency Converter Function Selection
6.5.5 Matters needing attention in using frequency converter in elevator system
6.5.6 Analysis of Common Problems
6.6 Application of Frequency Converter in Hoist
6.6. 1 Operation Control Analysis
6.6.2 transformation scheme
6.7 Application of Frequency Converter in Tension Control Equipment
6.7. 1 detection sensor device
6.7.2 Application of Frequency Converter in Wire Drawing Machine
6.7.3 Application of SANKENSAMC0-VM05 Inverter in Cabling Machine
6.8 Same-speed (proportional) control of frequency converter
6.8. 1 Same speed control method
6.8.2 Open-loop Same-speed Application Example 7. 1 Typical Control Device
7. 1. 1 main switch
7. 1.2 circuit breaker
7.2 frequency converter matching device
7.2. 1 inverter peripheral master control circuit
Alternating current reactor
7.3 Control method of input and output terminals of frequency converter
7.3. 1 Input analog control terminal signal input method
7.3.2 On-off control of input contact control terminal
7.3.3 Control method of output control terminal
7.4 Selection of inverter capacity
7.4. 1 Select the inverter capacity according to the torque characteristics of the load.
7.4.2 Transmission Characteristics of Deceleration Mechanism
7.4.3 Choose inverter capacity according to different load characteristics.
7.4.4 Select the capacity of the frequency converter according to the specific operation conditions.
7.5 Function Selection of Frequency Converter
7.5. 1 Select speed load inverter
7.5.2 Selection of Frequency Converter for Tension and Position Control
7.5.3 Selection of load frequency converters for fans and pumps
7.6 Installation of frequency converter
6. 1 conductor selection
Arrangement of conductors
7.6.3 Installation environment of frequency converter 8. 1 Power-on debugging conditions of frequency converter
8. 1. 1 Check the installation quality.
8. 1.2 system debugging conditions
8. 1.3 Frequency Converter Fault Display and Troubleshooting
8.2 Frequency converter test
Selection of measuring instruments
8.2.2 Insulation test of frequency converter
8.2.3 On-line Voltage Measurement of Inverter
8.2.4 On-line Resistance Measurement of Inverter
8.3 example of frequency converter debugging
8.4 frequency converter maintenance
8.4. 1 frequency converter daily patrol
8.4.2 Regular maintenance and maintenance of frequency converter
refer to