New Motor System Efficiency Policy of China. Zhao Yuejin China National Institute of Standardization
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1 New Motor System Efficiency Policy of China Zhao Yuejin
2 Table of Content 1. Chinese motor system energy efficiency standards framework and development roadmap 2. Energy efficiency standards and latest revision for motors and motor system equipment 3. Energy efficiency standards and latest revision for motor systems 4. China motor system energy efficiency policies
3 1. Chinese motor system energy efficiency standards framework and development roadmap What do mandatory energy efficiency standards mean? The mandatory energy efficiency standards include not only the mandatory energy efficiency performance requirements, but also voluntary requirements. The mandatory requirements are stated in specified articles. Mandatory standard :GB Energy efficiency standards Mandatory Technical regulations
4 1.1 Motor energy conservation Standards System Motor system energy conservation standards Energy efficiency standards Economic operation standards Energy conservation equipment standards Optimization design standards Energy Conservation testing standards
5 1.2 The roadmap of China motors energy efficiency standards kw GB -20 High voltage induction motor GB small and medium three-phase asynchronous motors GB small and medium three-phase asynchronous motors GB -20 Permanent magnet synchronous motors GB small and medium threephase asynchronous motors GB small-power motors
6 2.1 Mandatory Energy Efficiency Standards for motors GB Minimum allowable values of energy efficiency and values of efficiency grades for small-power motors GB Minimum allowable values of energy efficiency and energy efficiency grades for small and medium three-phase asynchronous motors GB XXXX- 20XX Minimum allowable values of energy efficiency and the energy efficiency grades for cage threephase high voltage induction motor GB XXXX - 20XX Minimum allowable values of energy efficiency and the energy efficiency grades for permanent magnet synchronous motors
7 2.2 Mandatory Energy Efficiency Standards for Motor System Equipment GB Minimum allowable values of energy efficiency and evaluating values of energy conservation of Centrifugal Pump for Fresh Water GB Minimum allowable values of energy efficiency and energy efficiency grades for AC contactors GB Minimum allowable values of energy efficiency and energy efficiency grades for displacement air compressors GB Minimum allowable values of energy efficiency and energy efficiency grades for fan GB Minimum allowable values of energy efficiency and evaluating values of energy conservation for centrifugal blower
8 2.1.1 Standards Revision GB GB Minimum allowable values of energy efficiency and energy efficiency grades for small and medium three-phase asynchronous motors Content: This standard specifies the values of efficiency grade, minimum allowable values of energy efficiency, and target minimum allowable values of energy efficiency, evaluating values of energy conservation as well as testing methods for small and medium three-phase asynchronous motors. Scope:This standard can be applied to general employment motors or general employment explosion protection motors with 1000V and lower voltage, 50Hz three-phase alternating current power supply, the scope of rating power between 0.75kW to 375kW, the numbers of poles are 2, 4 and 6, single-speed close fan-cooled and N design. Replacing GB
9 2.1.2 GB Energy Efficiency Grades and IEC Standards Level International standard GB EE Grade Energy efficiency values Level 1 IE4 Grade 1 Top runner value Level 2 IE3 Grade 2 Level 3 IE2 Grade 3 evaluating values of energy conservation minimum allowable values Level 4 IE1 Below grade 3 Out value
10 2.1.3 Standards Revision GB The new standard specifies: If there rated power is not listed in the standard, the efficiency requirement can be calculated by the linear interpolation. Calculation formula: η 2 = η + 1 ( P 2 P1 )( η3 η1) ( P P ) 3 1
11 2.1.4 Formulation of Standards GB GB Minimum allowable values of energy efficiency and values of efficiency grade for small-power motors Content:This standard specifies the values of efficiency grade, minimum allowable values of energy efficiency, and target minimum allowable values of energy efficiency, evaluating values of energy conservation as well as testing methods for small-power asynchronous motors. Scope:This standard can be applied to general purpose motors such as small-power three-phase asynchronous motors (10W~2200W) with a voltage no more than 690V and powered by 50Hz AC, capacitor run asynchronous motors (10W~2200W), capacitor start asynchronous motors (120W~3700W) and two-value capacitor asynchronous motors (250W~3000W). It can also be applied to room air conditioner fan motor (6W~550W).
12 2.2.1 The content of Standards GB and GB GB Minimum allowable values of energy efficiency and energy efficiency grades for AC contactors The standard specifies the values of efficiency grade, minimum allowable values of energy efficiency, evaluating values of energy conservation as well as testing methods for AC contactors. GB Minimum allowable values of energy efficiency and energy efficiency grades for fan This standard specifies the values of efficiency grade, minimum allowable values of energy efficiency, evaluating values of energy conservation as well as testing methods for fan. This standard can be applied to centrifugal and axial fan, centrifugal fan for industrial steam boiler, blower and induced draft fan for power station boiler, axial fan for power station, fan for Air conditioner.
13 2.2.2 The content ontent of Standards GB GB Minimum allowable values of energy efficiency and energy efficiency grades for displacement air compressors This standard specifies the values of efficiency grade, minimum allowable values of energy efficiency, and target minimum allowable values of energy efficiency, evaluating values of energy conservation as well as testing methods for displacement air compressors. The standard can be applied to direct drive portable reciprocating piston air compressors, reciprocating piston mini-type air compressor, oil-free reciprocating piston air compressors, stationary reciprocating piston air compressor for general use, oil injected screw air compressor for general use, oil injected single screw air compressor for general use, oil flooded sliding vane air compressor for general use.
14 2.2.3 The content of Standards GB GB Minimum allowable values of energy efficiency and evaluating values of energy conservation for centrifugal blower ` This standard specifies minimum allowable values of energy efficiency, evaluating values of energy conservation as well as testing methods for centrifugal blower. This standard can be applied to single-stage center impeller lower speed blower, multi-stage lower speed blower, single-stage center impeller high speed blower, multi-stage high speed blower.
15 3.1 Energy Saving Monitoring and Testing Standards of Motor System GB/T Monitoring and testing for energy saving of motor-pump liquid transport system GB/T Monitoring and testing for energy saving of air compressor unit and air distribution system In these two standard, set test method of system efficiency
16 3.2.1 The content of GB/T and GB/T GB/T The guide of design optimization for motor systems (fans, pumps, air compressors) This standard specifies the basic requirements of motor system design, motor selection, speed control mode and speed control device selection, and optimization design for fan system, pump system, air compressors system. GB/T Economical operation for displacement air compressor system This standard specifies the system economical operation requirements, assessment and evaluation, testing and improvement measurements of displacement air compressor system driven by the AC motors This standard can be applied to the displacement air compressor system driven by AC motor driven and rated discharge pressure less than 1.4MPa.
17 4 China s Energy Policy System and Energy Efficiency Standards Energy efficiency labeling management Energy efficiency standard Energy efficiency grade Nationa l Energy Policy Mandatory energy management The supervision and inspection system for Energy efficiency standards Elimination catalogue of highly energy consuming products Certification of energy-saving products Energy efficiency standard Minimum allowable values voluntary policies of energy-saving Government purchases policy Tax incentives for energy-saving products financial subsidies policy Energy efficiency standard Evaluating values of energy conservation (grade 2)
18 4.1 China Energy Label for the Motor System Products On August 13, 2004, the Act of No. 17 for Administration Regulation on Energy Efficiency Label was co-issued by the National Reform and Development Commission (NDRC) and the General Administration of Quality Supervision, Inspection and Quarantine (AQSIQ)
19 4.2 Motor System Products Covered by China Energy Label The third batch Issue Small and medium three-phase asynchronous motors The fifth batch Issue AC contactors, air compressors. The sixth batch Issue Fan
20 4.3 Subsidy Policy for Energy Efficiency Motor System Products In order to promote the use of high energy efficient motors, Chinese National Development and Reform Commission (NDRC) together with the Ministry of Finance (MOF) included high efficiency motors (HEMs) in the large national financial subsidy program called the China Energy Savings Program in May The fan, Centrifugal Pump for Fresh Water, air compressor are included in the subsidy program in November HEMs China Energy Savings Program Manufacturer Name Label of China Energy Savings Program for HEMs
21 magnetic motors
22 Zhao Yuejin Fax
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