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GB/T 26676-2011: Electrical, electronic and programmable electronic control systems of machine tools -- Specification of withstanding voltage test
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GB/T 26676-2011: Electrical, electronic and programmable electronic control systems of machine tools -- Specification of withstanding voltage test

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Electrical, electronic and programmable electronic control systems of machine tools. Specification of withstanding voltage test ICS 29.020 J50 National Standards of People's Republic of China Machine tools, electrical, electronic and programmable electronic control systems Pressure test specification Electrical, electronicandprogrammableelectroniccontrolsystemsofmachine Issued on. 2011-06-16 2011-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions Test equipment 2 4 5 Test conditions 2 5.1 Test Environment 2 5.2 Test voltage 2 5.3 Leakage current 3 5.4 Test Time 3 6 Test Procedure 3 6.1 Test Requirements 3 6.2 Test circuit 3 6.3 Test Procedure 4 7 Test record 4 4 7.1 Pressure test record 7.2 Test record format 4 8 Test Evaluation 4 Temperature and humidity area Appendix A (informative) Pressure test 5 Annex B (informative) corrected test voltage 6 Annex C (informative) Typical circuit diagram of the machine and test circuit described Example 7 Annex D (informative) Pressure test record formats Example 10 References 11

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Machinery Industry Federation. The standard mechanical and electrical systems by the National Standardization Technical Committee (SAC/TC231) centralized. This standard was drafted. Guangzhou Machine Tool Co., Ltd., Guangzhou NC Equipment Co., Ltd. of Shenzhen City, measuring Detection, Hangzhou Machine Bed Group Limited. The main drafters of this standard. Tan Jing Zhou, Zhang Yujie, Zhao Shao-dong, Sun Huashan, Chen Jianming. Machine tools, electrical, electronic and programmable electronic control systems Pressure test specification

1 Scope

This standard specifies the electrical machine, the terms and definitions electronic and programmable electronic control system pressure test, test equipment, test conditions, Test procedures, test records and test evaluation. This standard applies to nominal voltage not exceeding AC1000V or DC1500V, does not exceed the rated frequency of 200Hz electrical machine, Electrical machinery electronic and programmable electronic control systems (hereinafter collectively referred to as the electrical system) pressure test (hereinafter referred to as pressure test), similar to the machine Gas system pressure test may refer to this standard. Note 1. Machine refers to metal cutting machine tools, electric machines and other types of machines. Note 2. machine tools, electrical, electronic and programmable electronic control systems refer to the machine electrical systems, electronic systems and programmable electronic control systems. In the electrical machine System applications of electronic systems and programmable electronic control system is part of the electrical system of the machine, not a separate system.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB 5226.1-2008 Safety of machinery - Electrical machinery and electrical equipment - Part 1. General requirements (IEC 60204-1.2005, IDT) GB/T 17627.1-1998 part of high-voltage test techniques for low voltage equipment. definitions and test requirements (eqv IEC 61180-1.1992) GB/T 17627.2-1998 high voltage test techniques for low voltage equipment Part II. Measurement systems and test equipment (Eqv IEC 61180-2.1994)

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Power circuit powercircuit Electrical equipment unit and a control circuit transformer and other power supply circuit from the grid to productive operation. [GB 5226.1-2008, the definition 3.42] 3.2 Protective bonding circuit protectivebondingcircuit To prevent the protective conductor and the conductor element insulation failure due to electrical shock while connected together. [GB 5226.1-2008, the definition 3.44] 3.3 Alarm alarm Sound and/or warning indication signal emitted when the leakage current pressure tester to test the leakage current exceeds a set value, and automatically cut Off the high voltage output. ...