|
US$1874.00 · In stock
Delivery: <= 10 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 21209-2025: AC electrical machines used in power drive systems - Application guide
Status: Valid GB/T 21209: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 21209-2025 | English | 1874 |
Add to Cart
|
10 days [Need to translate]
|
AC electrical machines used in power drive systems - Application guide
| Valid |
GB/T 21209-2025
|
| GB/T 21209-2017 | English | 1479 |
Add to Cart
|
8 days [Need to translate]
|
AC electrical machines used in power drive systems -- Application guide
| Valid |
GB/T 21209-2017
|
| GB/T 21209-2007 | English | RFQ |
ASK
|
4 days [Need to translate]
|
Guide for the design and performance of cage induction motors specifically designed for converter supply
| Obsolete |
GB/T 21209-2007
|
Standard similar to GB/T 21209-2025 GB/T 51033 GB/T 50082 GB/T 21209 Basic data | Standard ID | GB/T 21209-2025 (GB/T21209-2025) | | Description (Translated English) | AC electrical machines used in power drive systems - Application guide | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K20 | | Classification of International Standard | 29.160 | | Word Count Estimation | 94,980 | | Date of Issue | 2025-08-01 | | Date of Implementation | 2026-02-01 | | Older Standard (superseded by this standard) | GB/T 21209-2017 | | Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China | GB/T 21209-2025: AC electrical machines used in power drive systems - Application guide---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT21209-2025
ICS 29.160
CCSK20
National Standard of the People's Republic of China
Replaces GB/T 21209-2017
Application Guidelines for AC Motors Used in Electric Drive Systems
Released on August 1, 2025
Implementation on February 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface V
Introduction VI
1 Scope 1
2 Normative references 1
3 Terms and Definitions 3
4 System Features 4
5 Losses and their effects (induction motor powered by voltage source inverter) 10
6 Noise, vibration and torsional oscillation 14
7 Motor insulation electrical stress 18
8 Bearing current 23
9 Installation 38
10 Additional Considerations for Permanent Magnet Synchronous Motors Powered by Voltage Source Inverters 46
11 Additional Considerations for Squirrel Cage Induction Motors Powered by High Voltage Voltage Source Inverters 47
12 Additional Considerations for Synchronous Motors Powered by Voltage Source Inverters 51
13 Additional Considerations for Square Wave Current Source Inverter-Powered Squirrel Cage Induction Motors 52
14 Additional Considerations for Load-Commutated Current Source Inverters (LCI) Powering Synchronous Motors 55
15 Additional Considerations for Pulse Width Modulated Current Source Inverter (PWMCSI) Powered Squirrel Cage Induction Motors 57
16 Additional Considerations for Wound-Rotor Induction (Asynchronous) Motors Powered by Voltage Source Inverters in the Rotor Circuit 58
17 Other motor/inverter systems 59
18 Additional considerations for voltage source inverters powering standard fixed speed induction motors (within the scope of IEC 60034-12) and as a
Requirements for a frequency converter to apply to motors 61
19 Additional Considerations for Voltage Source Inverter-Powered Synchronous Reluctance Motors 68
Appendix A (Informative) Inverter Characteristics 69
Appendix B (Informative) Output Voltage Characteristics Spectrum of Two-Level Voltage Source Inverter 73
Appendix C (Informative) Expected Voltage at the Inverter and Motor Power Interface 77
Appendix D (Informative) Inverter Applicable Motor Speed Regulation and Harmonic Capability 81
Reference 84
Figure 1 Torque/speed performance 6
Figure 2 Inverter output current 6
Figure 3 Example of inverter output voltage/frequency characteristics 8
Figure 4.Additional losses Ph and fundamental frequency f1 losses Pf1 caused by harmonic frequencies when powered by a two-level voltage source inverter
Example 11 of the relationship between the ratio and the switching frequency fS
Figure 5.Measured values of losses as a function of frequency and power supply type (example) 12
Figure 6 Additional losses in the motor caused by the inverter as a function of the pulse frequency at 50 Hz (same motor as in Figure 5)
Figure 7 Fan noise as a function of fan speed 15
Figure 8 Stator core vibration mode 16
Figure 9 Typical surge signal curve measured at the motor end powered by a PWM inverter 18
Figure 10 Typical phase voltage surge measured at the inverter output and motor end (2ms/division)
Figure 11 Transient surge in Figure 10 (1μs/division) 19
Figure 12 Definition of impulse peak voltage and rise time at the motor end 20
Figure 13.Voltage on the first turn of the coil relative to ground as a function of rise time.
Figure 14 Partial discharge pulses generated by a surge in one phase of a motor powered by an inverter (100ns/grid)
Figure 15 Classification of bearing currents 23
Figure 16 Parasitic impedance of each component of the transmission system to ground 24
Figure 17 Common-mode voltage a) Test diagram b) Example waveform 25
Figure 18 High-frequency equivalent circuit a) Motor b) Parasitic capacitance diagram 26
Figure 19 Schematic diagram of high-frequency capacitive currents of different types of components in the transmission unit 27
Figure 20 Principle of loop current form 28
Figure 21 Principle of rotor-to-ground current 28
Figure 22 Example of measuring EDM current pulses of a 400V, 500kW induction motor controlled by a frequency converter
Figure 23 Photo of motor bearing damage 31
Figure 24 Connection between the motor junction box and the base 39
Figure 25 Example of connecting the shield layer of the motor cable 40
Figure 26 High-power inverter and motor multiple cables connected in parallel 41
Figure 27.360° connection between the inverter and the high-frequency cable clamp, see Faraday cage 42
Figure 28 Motor terminal 360° connection 42
Figure 29 Cable shield connection 43
Figure 30 Characteristics of preventive measures 45
Figure 31 Typical three-level inverter schematic diagram 47
Figure 32 Typical three-level inverter output voltage and current 48
Figure 33.Functional relationship between the voltage of the first coil turn (percentage of line voltage) and the rate of voltage change 49
Figure 34 Medium and high voltage formed winding insulation and voltage stress control materials 50
Figure 35 Schematic diagram of square wave current source inverter 52
Figure 36 Current and voltage waveforms of square wave current source inverter 52
Figure 37.Losses of a cage-type induction motor (frame size 315M, N design) powered by an inverter at rated torque and speed
Impact 53
Figure 38 Schematic diagram and voltage and current waveforms of a synchronous motor powered by a current source inverter 55
Figure 39 Schematic diagram of pulse modulation current source inverter 57
Figure 40 Voltage and current of pulse modulation current source inverter 57
Figure 41 Schematic diagram of AC-AC converter 59
Figure 42 AC-AC converter voltage and current waveforms 60
Figure 43 Comparison of inverter-compatible and inverter-specific motors 61
Figure 44 Relationship curve between fundamental voltage U1 and operating frequency f1
Figure 45.Relationship between torque reduction factor and operating frequency f1 for a squirrel-cage induction motor with IC411 (self-circulating cooling) (N design) (Example)
Figure A.1 Effect of switching frequency on motor and inverter losses 71
Figure A.2 Effect of switching frequency on noise 71
Figure A.3 Effect of switching frequency on torque ripple 72
Figure B.1 Switching frequency fS = 30 × f1 Waveform of line voltage ULL of motor supplied by voltage source inverter (example) 73
Figure B.2 Typical output voltage spectrum of constant power PWM control and hysteresis control 74
Figure B.3 Typical output voltage spectrum of random frequency PWM and hysteresis control 74
Figure B.4 Typical output voltage spectrum of two-phase modulation control and hysteresis modulation 75
Figure B.5 Typical time characteristics of motor current under constant frequency PWM control and hysteresis control 75
Figure B.6 Typical time characteristics of motor current for two-phase modulation control and hysteresis modulation 76
Figure C.1 Typical voltage curves and parameters of a two-level inverter at the motor end over time (phase voltage; taken from
IEC TS61800-8) 77
Figure D.1 Harmonic voltage derating curve 82
Figure D.2 Torque capacity at reduced speed due to reduced cooling capacity (applicable to 50 Hz or 60 Hz N type design) 83
Table 1 Main factors affecting torque/speed performance 7
Table 2 Motor design basis 9
Table 3 Motor parameters used to adjust inverter parameters 9
Table 4 The motor terminal operating voltage (in UN) when there is no special agreement between the manufacturer and the system integrator and the motor is operating reliably
Table 5 Different levels of rolling bearing damage 32
Table 6 Effects of various measures to prevent bearing currents 35
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB/T 21209-2017 "Guidelines for the application of AC motors for power transmission systems" and GB/T 21209-
Compared with.2017, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
--- Changed the terminology and definition of common mode voltage (see 3.3, 3.3 of the.2017 edition);
--- Added the terms and definitions of resonance frequency band, general variable frequency motor and special variable frequency motor (see 3.13, 3.18 and 3.19);
--- Added the description of the minimum safe speed of sliding bearings (see 4.3.5);
---Increased cable length and electrical stress, impulse voltage insulation level and electrical stress, and low voltage and medium and high voltage motor insulation system capabilities
Description (see 7.2, 7.3, 7.4);
--- Added a description of the high-frequency effect of the inverter (see 8.1.4);
--- Added content on the generation and hazards of high-frequency bearing currents (see 8.2, 8.3);
--- Added methods to weaken high-frequency common-mode current (see 8.4.1, 8.4.2) and expanded Table 6;
--- Added requirements for inverter-compatible motors (18.1, 18.2.2, 18.2.3, 18.3, 18.5.2, 18.6, 18.7, 18.8, 18.9,
18.10, 18.11, 18.12, 18.13).
This document is equivalent to IEC TS60034-25.2022 "Rotating electrical machines - Part 25.Alternating current for use in power transmission systems"
The document type was adjusted from IEC technical specifications to my country's national standards.
The following minimal editorial changes have been made to this document.
--- Taking into account my country's standard system, the name of the standard will be changed to "Application Guidelines for AC Motors for Electric Power Drive Systems".
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed by the China Electrical Equipment Industry Association.
This document is under the jurisdiction of the National Technical Committee for Standardization of Rotating Electrical Machines (SAC/TC26).
This document was drafted by. Shanghai Motor System Energy Saving Engineering Technology Research Center Co., Ltd., Zhejiang Jiangchao Motor Industry Co., Ltd.,
Jiamusi Electric Motor Co., Ltd., Nanfang Pump Industry Co., Ltd., Zhejiang Xinsheng New Energy Technology Co., Ltd., and Malontong Electric (Wuxi)
Co., Ltd., Beijing Goldwind Science and Technology Wind Power Equipment Co., Ltd., Shanxi Electric Motor Manufacturing Co., Ltd., Zhejiang University, Wolong Electric Drive Group Co., Ltd.
Co., Ltd., Shandong Huali Motor Group Co., Ltd., Libo Industrial Technology Research Institute (Shandong) Co., Ltd., Sichuan Honghua Electric Co., Ltd.
Responsible Company, Suzhou Langgao Motor Co., Ltd., Hangzhou Aiweisi Electronics Co., Ltd., Shanghai Dianke Motor Technology Co., Ltd., Shaoxing Motai Machine
Electric Technology Co., Ltd., Zhejiang University Advanced Electrical Equipment Innovation Center, Lanzhou Electric Motor Co., Ltd., and Changsha Changli Electric Co., Ltd.
The main drafters of this document are. Wang Wenliang, Zhou Hongfa, Zhang Xiaoming, Fu Huaibo, Yao Juan, Zheng Jinmin, Chen Li, Li Shulin, Wen Zepeng, Shi Tingna,
Xia Yongqiang, Yin Zhihua, Yue Yanbo, Tai Hongfei, Zhang Qibing, Chen Guoxiang, Cao Haidong, Wang Honghu, Zhu Kuanning, and Huang Xin.
The previous versions of this document and the documents it replaces are as follows.
---First published as GB/T 21209-2007 in.2007, first revised in.2017.
---This is the second revision.
introduction
The performance characteristics and operating parameters of the motor powered by the inverter are affected by the entire transmission system, including the power supply system, inverter,
The wiring cables, motors, mechanical shafting and control devices are all technically diverse.
The values are for reference only.
The design of electric drive system involves some important parameters.
It is beyond the scope and purpose of this document to specify values or limits for all parameters.
In practice, electric drive systems are largely composed of components produced by different manufacturers. The purpose of this document is to
It is possible to illustrate the impact of these components on the motor design and its performance characteristics.
This document covers AC motors designed specifically for use with frequency converters (dedicated frequency converter motors), as well as those originally designed as specified in IEC 60034-12.
It is designed to be used for variable frequency motors (general variable frequency motors) that are directly powered by the power grid.
Application Guidelines for AC Motors Used in Electric Drive Systems
1 Scope
This document describes the performance characteristics of AC motors powered by inverters and clarifies the key design points for motors used in variable frequency operation.
As part of the electric drive system, this document also specifies the interface parameters between the motor and the inverter and their mutual influence, including installation instructions.
The voltage at the power supply interface is not included, and this part of the voltage is described by IEC TS61800-8.
The general requirements of other relevant parts of the IEC 60034 series of standards also apply to motors within the scope of this document.
If the motor is operated in an environment with potentially explosive gas, additional requirements for dust explosion protection are given in the IEC 60079 series.
Security is not the primary focus of this document, but some of the recommendations given involve security issues that must be considered.
If the inverter manufacturer provides specific installation recommendations, those recommendations take precedence over this document.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 755-2025 Ratings and performance of rotating electrical machines (IEC 60034-1.2022, IDT)
GB/T 10069.3-2024 Rotating electrical machines - Measurement methods and limits of noise - Part 3.Noise limits (IEC 60034-9.
2021, IDT)
GB/T 12668.8-2017 Adjustable speed electrical drive systems Part 8.Voltage specifications for power interfaces (IEC TS61800-8.
2010, IDT)
performance)
Note. GB/T 755-2025 Ratings and performance of rotating electrical machines (IEC 60034-1.2022, IDT)
IEC 60034-2-1 Rotating electrical machines — Part 2-1.Test methods for determining losses and efficiency of rotating electrical machines (other than traction machines)
Note. GB/T 25442-2018 Test methods for determining losses and efficiency of rotating electrical machines (other than traction motors) (IEC 60034-2-1.2014, IDT)
IEC 60034-2-2 Rotating electrical machines Part 2-2.Specific test methods for determining the losses of large electrical machines - IEC 60034-2-1
Note. GB/T 34861-2017 Special test method for determining the losses of large motors (IEC 60034-2-2.2010, IDT)
IEC 60034-2-3 Rotating electrical machines — Part 2-3.Specific tests for determining losses and efficiency of inverter-fed AC induction motors
Note. GB/T 32877-2022 Specific test methods for determining losses and efficiency of inverter-fed AC induction motors (IEC 60034-2-3.2020, IDT)
cooling(ICCode)]
Note. GB/T 1993-1993 Cooling methods for rotating electrical machines (IEC 60034-6.1991, IDT)
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 21209-2025_English be delivered?Answer: Upon your order, we will start to translate GB/T 21209-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 6 ~ 10 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of GB/T 21209-2025_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 21209-2025_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay. Question 5: Should I purchase the latest version GB/T 21209-2025?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 21209-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.
|