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GB/T 14481-2008 English PDF

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Q: Should I purchase the latest version GB/T 14481-2008?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 14481-2008 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.

US$579.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 14481-2008: Test procedure for single-phase synchronous machines
Status: Valid

GB/T 14481: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 14481-2008	579	Add to Cart	5 days	Test procedure for single-phase synchronous machines	Valid
GB/T 14481-1993	799	Add to Cart	5 days	Test procedure for single. Phase synchronous machine	Obsolete

Similar standards

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Basic data

Standard ID: GB/T 14481-2008 (GB/T14481-2008)
Description (Translated English): Test procedure for single-phase synchronous machines
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K21
Classification of International Standard: 29.160.01
Word Count Estimation: 25,240
Date of Issue: 2008-07-16
Date of Implementation: 2009-04-01
Older Standard (superseded by this standard): GB/T 14481-1993
Quoted Standard: GB 755; GB 4343.1-2003; GB 4343.2-1999; GB 4824-2004; GB/T 6113.101-2008; GB/T 6113.102-2008; GB/T 6113.103-2008; GB/T 6113.104-2008; GB/T 6113.105-2008; GB 10068; GB/T 10069.1-2006; JB/T 9615.1-2000; JB/T 9615.2-2000; IEC 60034-22-1996
Regulation (derived from): Announcement of Newly Approved National Standards No. 12 of 2008 (No. 125 overall)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the single-phase synchronous motor test methods. This standard applies to power of 200kW and below, voltage 690V and below, single-phase synchronous motors (generators and motors), does not apply to non- current excitation winding single-phase synchronous motors (such as permanent magnet motors, reluctance motors, etc.).

GB/T 14481-2008: Test procedure for single-phase synchronous machines

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Test procedure for single-phase synchronous machines ICS 29.160.01 K21 National Standards of People's Republic of China Replacing GB/T 14481-1993 Test methods for single-phase synchronous motor Posted 2008-07-16 2009-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 main symbols, terms and units 1 4 Test Preparation 2 5 winding on the chassis and inter-winding insulation resistance measurement 3 6 measured in the actual cold winding DC resistance of 4 Determination of load characteristics 7 5 Determination of the steady-state short-circuit characteristics 8 6 9 Thermal Test 6 Determination of 10 rated field current and the inherent voltage regulation 8 11 Exciter constant voltage generator voltage measuring performance tuning 8 Determination of 12 Efficiency 9 Determination of motor torque characteristic 14 13 14 overload and mechanical strength test 16 15 16 Other tests Appendix A (informative) error correction method Instrumentation 19

Foreword

This standard replaces GB/T 14481-1993 "single-phase synchronous motor test methods", compared to the previous version mainly was amended as follows. --- Define the scope of this standard. --- Normative references. a) All references to new domestic and international standards (IEC ) standard; b) increase the reference standard. --- Measuring instrument accuracy class requirements. a) electricity meter of not less than 0.2 (formerly 3.2.1 requires 0.5); b) a torque of not less than 0.2 meter (formerly 3.2.1 requires 1.0). --- Load characteristics and short-circuit characteristics GB/T 1029-2005 coordination. --- Withstand voltage test according to the requirements of GB 755 amendments. --- Withstand voltage test tripping current assessment increases when the withstand voltage test in accordance with the requirements of GB 14711-2006. --- Cancellation measured voltage sinusoidal waveform distortion, according to GB 755 requirements, measure the harmonic voltage factor HVF. --- Heat test according to the provisions of GB/T 1029-2005 and GB 755 be revised so that coherence between standards. --- Rewrite efficiency measured winding temperature conversion reference GB/T 1029-2005 and GB/T 1032-2005 revised method, press "Temperature + 25 ℃" or according to a predetermined reference temperature thermal rating calculation to determine the efficiency of the winding temperature. --- Transient voltage regulation rate increase and recovery measurement time. --- Increase measurement terminal radio interference level. Appendix A of this standard is an informative annex. The standard proposed by China Electrical Equipment Industrial Association. The standard rotary motor by the National Standardization Technical Committee (SAC/TC26) centralized. This standard is drafted by. Shanghai Electrical Apparatus Research Institute (Group) Co., Ltd., Zhejiang Linhai Electric Co., Ltd., Wolong Electric Group Co., Ltd. Tellhow Technology Co., Ltd., Suzhou Wheelock Motor Co., Ltd., Shanghai Electric Technology Co., Ltd. Electric Division. It participated in the drafting of this standard. the Haimaigete Motor Company Limited. The main drafters of this standard. Chin Wei Wei, strong male, Shen Yusheng, Zhou Lixin, Later Tensile Two, Li Wenfu. This standard replaces the standards previously issued as follows. --- GB/T 14481-1993. Test methods for single-phase synchronous motor

1 Scope

This standard specifies the test methods for single-phase synchronous motor. This standard applies to power 200kW and below, voltage 690V and below single-phase synchronous motors (generators and motors), does not apply No current excitation winding single-phase synchronous motor (permanent magnet motor, reluctance motor, etc.).

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB 755 rotary motor fixed and performance (GB 755-2008, IEC 60034-1.2004, IDT) GB 4343.1-2003 Electromagnetic compatibility appliances, electric tools and similar apparatus - Part 1. Emission (CISPR 14-1.2000, IDT) GB 4343.2-1999 Electromagnetic compatibility appliances, electric tools and similar apparatus - Part 2. Immunity product Standard class (CISPR14-2.1997, IDT) GB 4824-2004 industrial, scientific and medical (ISM) radio-frequency equipment - Electromagnetic disturbance characteristics - Limits and methods of measurement (CISPR 11.2003, IDT) GB/T 6113.101 ~ 6113.105-2008 radio disturbance and immunity measuring apparatus and methods - GB 10068 measuring shaft heights 56mm and higher mechanical vibration of the motor, evaluation and limits (GB 10068- 2008, IEC 60034-14.2007, IDT) Rotary motor noise measurement method. GB/T 10069.1-2006 motor rotation method and measurement noise limits - Part 1 (ISO 1680.1999, MOD) Room Windings insulation test method JB/T 9615.1-2000 AC low-voltage motors fitted scattered JB/T 9615.2-2000 AC low-voltage motors embedded scattered among Windings insulation test limits IEC 60034-22.1996 Reciprocating internal combustion engine driven alternator 3 main symbols, terms and units Power factor cosφ --- I --- Current, A --- Like speed, r/min P --- power, W R --- Resistance, Ω The T --- Torque, N · m --- The U voltage, V θ --- temperature, ℃ η --- efficiency,% Subscript 0 --- load; ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 14481-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 14481-2008_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 14481-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 14481-2008_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+ countries

Question 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 Sales@ChineseStandard.net. 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 14481-2008?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 14481-2008 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.