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Database: 365,228(8 Aug 2026)

frequency conversion

frequency conversion, Total:93 items.

The international standard classification for "frequency conversion" includes: Compressors and pneumatic machines , Installations in buildings , Semiconductor devices in general , Other equipment related to power transmission and distribution networks , Automatic controls for household use , Motors , Rotating machinery in general , Radio relay and fixed satellite communications systems , Electrical apparatus for explosive atmospheres , Energy and heat transfer engineering in general , Transformers. Reactors .

The Chinese standard classification for "frequency conversion" includes: Medicinal materials pickoff and Chinese medicine processing machinery , Power semiconductor device and parts , Electric drive control equipment , Compressor and fan , Coal mine special equipment , Building water supply and draining engineering , Technical management , Power supply and power supply unit , Microcircuit in general , Basic standards and general methods for household appliances , Control circuit apparatus , Synchronous machine , Asynchronous machine , Electric rotating machinery in general , Special machine , Satellite communication equipment , Explosion-proof electric apparatus , Technical management , Transformer , Arrangement of transmission system group and frequency spectrum , Broadcasting and television system .


Professional Standard - Machinery

  • JB/T 11704-2013 The Methods of Energy Efficiency Measurement and Energy Saved Calculating for Variable Frequency Speed Control System of Belt Conveyors
  • JB/T 9607-2013 Frequency convertor for electrical tools
  • JB/T 20052-2005 Frequency conversion winnower
  • JB/T 4086-1997 Electric Control Equipment of Frequency Converter Set for Induction Heating
  • JB/T 20052-2021 Frequency conversion winnower
  • JB/T 10485-2004 Insulation specification for variable frequency adjustable speed definite purpose convorter-fed three-phase induction motors
  • JB/T 8669-1997 Semiconductor Frequency Changing Unit Intended to Be Used in Medium Frequency Induction Heating
  • JB/T 10972-2010 Conversion frequency oil-flooded
  • JB/T 9607-1999 Frequency Converting Unit for Electric Tools

Professional Standard - Coal

  • MT/T 1040-2007 Specification for shearer variable frequency adjustable speed definite purpose converter-fed YBVF series travel motors
  • MT/T 1041.2-2008 Specification for adjustadle speed electrical equipment of shearer Part 2:Speed-adjustable equipment by variable voltage variadle frequency
  • MT 1099-2009 Mine VVVF device

Henan Provincial Standard of the People's Republic of China

国家煤矿安全监察局

  • MT/T 1178-2019 Mine explosion-proof high voltage frequency converter
  • MT/T 1177-2019 Frequency conversion device for mine stringing electric locomotive
  • MT/T 1040-2019 Specification for shearer variable frequency adjustable speed definite purpose converter-fed YBVF series travel motors

Professional Standard - Urban Construction

  • CJ/T 352-2010 Variable-frequency governed speed water supply equipment with microcomputer control
  • CJ/T 468-2014 Water supply equipment with vector frequency conversion

Professional Standard - Electron

  • SJ 20480.6-1998 Detail specification for frequency agility pulsed magnetron of type CKM-709、709A
  • SJ 20915-2004 General specification for 400Hz static frequency converter power-supply
  • SJ/T 10427.1-1993 Grneral Principles of measuring methods of FM converter for semiconductor audio integrated circuits
  • SJ/Z 9010.12-1987 Measurements of electrical properties of electronic tubes and valves--Part 12: Methods of measuring for electrode resistance, transcondductance, amplification factor, conversion resistance and conversion transconductance
  • SJ 20480.1-1996 Detail specification for frequency quick conversion magnetrons of Type CKM-198 series
  • SJ/T 10691-1996 General specification for variable frequency and voltage power supplies
  • SJ/T 10691-2022 General specifications for variable frequency and transformer power supplies
  • SJ 20938-2005 Microwave circuits - Measuring methods for frequency converters

Group Standards of the People's Republic of China

  • T/ZZB 1172-2019 Intelligent permanent magnet frequency conversion constant pressure centrifugal pump
  • T/ZZB 2216-2021 Variable frequency adjustable speed three-phase induction motors for metallurgical flying shears
  • T/ZZB 1108-2019 Reduction gearbox with clutch for automatic variable frequency washing machine with large capacity
  • T/ZZB 1793-2020 Variable frequency self-priming motor-pump
  • T/ZZB 1325-2019 Frequency converter for NC machine tool
  • T/ZZB 0933-2019 Digital inverter silence generator
  • T/QGCML 131-2021 Explosion-proof high-voltage combination variable frequency starter for mine
  • T/ZZB 0352-2018 Household floor type inverter energy saving comfort air conditioners
  • T/ZZB 1875-2020 Low pressure conversion frequency oil-injected screw air compressor
  • T/QGCML 130-2021 Explosion-proof combination variable frequency starter for mine
  • T/ZZB 2473-2021 Direct drived frequency control permanent magnet synchronous motor applied helical-lobe compressor
  • T/JSJXXH 009-2022 Permanent magnet variable frequency speed regulating synchronous motor for air compressor
  • T/ZZB 0746-2018 Permanent magnet synchronous motor for variable frequency air conditioning compressor
  • T/ZZB 2787-2022 Safety class frequency converter electric device for nuclear power plants
  • T/ZZB 2169-2021 Household and similar tumble frequency conversion dryer with heat pump
  • T/QGCML 125-2021 Mining explosion-proof high-voltage (deceleration) permanent magnet synchronous frequency conversion and speed regulation integrated machine
  • T/ZZB 0944-2019 Variable frequency integrated three-phase asynchronous motor for pump
  • T/QGCML 126-2021 Mining explosion-proof (deceleration) permanent magnet synchronous frequency conversion speed regulation integrated machine
  • T/JSJXXH 008-2022 Conversion frequency oil-free screw blower for general purpose

Military Standard of the People's Republic of China-General Armament Department

  • GJB 6063-2007 General specification for frequency converter of aircraft
  • GJB 3080A-2009 General specifications for microwave downconverter

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 22712-2008 Specification for G series cooling fans applying to variable frequency motors
  • GB/T 32503.2-2018 Household and similar adjustable frequency converters safety--Part 2: Particular requirements for adjustable frequency converters for electrical heat pumps, air-conditioners and dehumidifiers
  • GB/T 28556-2012 Flameproof and intrinsically safe controller with frequency converter for coalmine ventilation fan
  • GB/T 21707-2018 Insulation specification for variable frequency adjustable speed definite purpose converter-fed three-phase induction motors
  • GB/T 21972.1-2008 Technical Specification for Variable-Frequency Adjustable-Speed Three-Phase Induction Motors for Crane and Metallurgical Application - Part 1: YZP series variable-frequency adjustabl
  • GB/T 30844.2-2014 Variable-frequency drive of 1kV and below—Part 2:Test methods
  • GB/T 24625-2009 Guide for the design and application of synchronous motors for converter supply
  • GB/T 21707-2008 Insulation specification for variable frequency adjustable speed definite purpose converter-fed three-phase induction motors
  • GB/T 20161-2008 Cage induction motors when fed from converters - Application guide
  • GB/T 29486-2013 Adjustable frequency converter for household and similar use—Terminology
  • GB/T 11299.8-1989 Methods of measurement for radio equipment used in satellite earth stations; Part 2: Measurements for sub-systems; Section Four:UP-and-down converters
  • GB/T 20161-2006 Cage induction motors when fed from converters application guide
  • GB/T 30844.1-2014 Variable-frequency drive of 1 kV and below—Part 1: Technical conditions
  • GB/T 21969-2008 Technical specification for YGP series variable-frequency adjustable-speed shree-phase induction motors for roll table application
  • GB/T 21972.3-2013 Specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications―Part 3:YZP series variable-frequency adjustable-speed three-phase induction motors(cooled with centrifugal fan) for crane and meta
  • GB/T 42008-2022 General specification for test variable-frequency power source
  • GB/T 21056-2007 Specification for adjustable speed drive systems of electricity conservation with VF for fans and pumps

交通运输部

  • JT/T 1071-2016 Technical requirements for variable frequency variable voltage power supply devices for port shore-based power supply

Professional Standard - Energy

  • NB/T 42022-2013 Oil-immersed Convertor Transformers Used for High Voltage Variable Frequency Govern
  • NB/T 11504-2024 Commercial variable frequency air source heat pump heating unit
  • NB/T 42021-2013 Dry-type Convertor Transformers Used for High Voltage Variable Frequency Govern

Professional Standard - Electricity

  • DL/T 339-2010 Specification for low voltage speed control device with variable frequency
  • DL/T 2023-2019 Field test code of SFC-based starting system for gas turbine generator unit
  • DL/T 2022-2019 Operation code of SFC-based starting system for gas turbine generator unit
  • DL/T 994-2006 High voltage variable frequency drive used in draft fan and pump of power plant
  • DL/T 1302-2013 Operating Rules for Static Frequency Converter of Pump Storage Units
  • DL/T 2033-2019 Test methods for power unit of high voltage variable frequency drive used in fossil-fuel power plants

Hebei Provincial Standard of the People's Republic of China

  • DB13/T 2025-2014 Regulations for energy-saving renovation of motor system with frequency conversion and speed regulation

Professional Standard - Post and Telecommunication

  • YD/T 553-1992 Specification for Group Translating Equipment Used on Carrier Systems
  • YD/T 4880-2024 Energy efficiency requirements and test methods for variable frequency temperature control equipment for communication base stations
  • YD/T 2474-2013 Technical requirement for satellite communication earth station equipment - Up converte/Down converter
  • YD/T 2476-2013 Technical requirements for satellite communication earth station equipment - High power amplifier with up converters
  • YD/T 554-1992 Specification for Channel Translating Equipment Used on Carrier Systems

Professional Standard - Ferrous Metallurgy

  • YB/T 4389-2013 Code for Low-voltage Converter Assemblies of AC Drive in Metallurgy

国家市场监督管理总局、中国国家标准化管理委员会

  • GB/T 21969-2021 YGP series variable-frequency adjustable-speed three-phase induction motors for roll table application—Technical specification
  • GB/T 22712-2021 Technical specification for G series cooling fans applying to variable frequency motors

国家能源局

  • NB/T 10463-2020 Minimum allowable values of energy efficiency and energy efficiency grades for variable-frequency drives

Professional Standard - Petroleum

  • SY/T 6834-2011 The Method of Energy Conservation Test and Evaluation Index for Frequency Control Electric Drive Apparatus

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

  • GB/T 30844.3-2017 Variable-frequency drive of 1 kV and below―Part 3:Safety requirements

Sichuan Provincial Standard of the People's Republic of China

  • DB51/T 1451-2012 Technical specifications for power cables for frequency conversion systems with rated voltages of 26/35kV and below

Professional Standard - Radio Television Film

  • GY/T 173-2001 Specification and methods of measurement on MMDS downconverter

(U.S.) Joint Electron Device Engineering Council Soild State Technology Association

Korean Agency for Technology and Standards (KATS)

United States Navy

RU-GOST R

  • GOST 16312-1997 Electric motor frequency convertors with rated power up to 200 kW and frequency to 20000 Hz. Test methods
  • GOST 16313-1997 Electric motor frequency convertors with rated power up to 200 kW and frequency to 20000 Hz. General specifications