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GB/T 25090-2010 English PDF

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GB/T 25090-2010: Step-down power saving device for asynchronous motor at light load
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Basic data

Standard ID GB/T 25090-2010 (GB/T25090-2010)
Description (Translated English) Step-down power saving device for asynchronous motor at light load
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K20
Classification of International Standard 29.160.99
Word Count Estimation 11,148
Date of Issue 2010-09-02
Date of Implementation 2011-02-01
Quoted Standard GB/T 191; GB/T 2423.1; GB/T 2423.2; GB/T 2423.3; GB/T 3797-2005; GB 3906-2006; GB 4208; GB 7251.1-2005; GB/T 11022-1999; GB/T 14549-1993; GB 17625.1-2003; GB/Z 17625.6-2003
Regulation (derived from) Announcement of Newly Approved National Standards No. 4 of 2010 (total 159)
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 motor is lightly loaded regulator saving device (hereinafter referred to as energy-saving devices) Classification, requirements and test methods. This standard applies to the rated voltage not exceeding 6 kV, rated frequency 50/60 Hz, rated capacity of not more than 2 500 kW of power-saving device.

GB/T 25090-2010: Step-down power saving device for asynchronous motor at light load

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Step-down power saving device for asynchronous motor at light load ICS 29.160.99 K20 National Standards of People's Republic of China Light motor load tap saving device Issued on. 2010-09-02 2011-02-01 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 1 4 Conditions 2 4.1 ambient temperature for 2 4.2 Relative humidity 2 4.3 Pollution Level 2 4.4 Altitude 2 4.5 Special conditions 2 5 2 Technical Requirements 5.1 Mechanical properties 2 5.2 Bypass function 3 5.3 electrical performance 3 5.4 Security features 3 6 Test 4 6.1 Test conditions 4 6.2 Test Category 4 6.3 Test Method 5 7 signs, packaging, transportation and storage 6 7.1 marks 6 7.2 Packaging 6 7.3 Transportation and storage 6

Foreword

This standard is proposed and managed by the China Electricity Council. This standard is drafted by. State Grid Wuhan High Voltage Research Institute. Participated in the drafting of this standard. the Guangdong Provincial Quality Supervision and Inspection Center, Wuhan Power Supply Company, Beijing Hua Yi Rong Hui Technology Co., Division, the China Electric Power Research Institute, Wuhan Science and Technology Co., Ltd. purple controllability. Drafters of this standard. Mo Green, Lang Wei Chuan, Wu Xi Branch, Lin force, THE SECOND Jing Xiaoping, Li Baohua, Yan Hua, Zhu Weihong. Light motor load tap saving device

1 Scope

This standard specifies the motor light load tap saving device (hereinafter referred to as energy-saving devices) Classification, requirements and test methods. This standard applies to the rated voltage does not exceed 6kV, rated frequency 50/60Hz, rated capacity of not more than 2500kW of energy-saving devices.

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/T 191 Packaging - Pictorial signs (GB/T 191-2008, ISO 780.1997, MOD) GB/T 2423.1 Environmental testing for electric and electronic products Part 2. Test methods Test A. Cold (GB/T 2423.1- 2008, IEC 60068-2-1.2007, IDT) GB/T 2423.2 Environmental testing for electric and electronic products Part 2. Test methods Test B. Dry heat (GB/T 2423.2- 2008, IEC 60068-2-2.2007, IDT) GB/T 2423.3 Environmental testing for electric and electronic products Part 2. Test methods - Test Cab. Damp heat test (GB/T 2423.3-2006, IEC 60068-2-78.2001, IDT) GB/T 3797-2005 Electric Control Equipment GB 3906-2006 3.6kV ~ 40.5kV AC metal-enclosed switchgear and control equipment (IEC 62271-200.2003, MOD) GB 4208 housing protection (IP Code) (GB 4208-2008, IEC 60529.2001, IDT) GB 7251.1-2005 Low-voltage switchgear and control equipment Part 1. Type - tested and partially type-tested assemblies Equipment (IEC 60439-1.1999, IDT) GB/T 11022-1999 high-voltage switchgear and control equipment standard common technical requirements (eqv IEC 60694.1996) GB/T 14549-1993 power quality utility grid harmonic GB 17625.1-2003 Electromagnetic compatibility - Limits for harmonic current emissions (equipment input current ≤16A) (IEC 61000-3-2.2001, IDT) GB /Z17625.6-2003 electromagnetic compatibility limits rated current greater than 16A devices in low-voltage power supply systems Harmonic current limit (IEC TR61000-3-4.1998, IDT)

3 Terms and definitions

The following terms and definitions apply to this standard. 3.1 For use on light load operation of single-phase and three-phase AC induction motor, by adjusting the motor voltage power electronic circuits, without changing the motor Under the premise of supply frequency to obtain the optimum operating voltage to achieve the purpose of energy-saving devices. 3.2 Saving rate rateofpowersaving Operating conditions, under the same conditions as the running time period, electrical energy saving devices and access access after saving devices before power saving Percentage ratio of the energy.

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