window.onerror = function () { return true; }
Contact us

       EMC test and Research   


This center is Mainly engaged in test and research on EMC performance of products such as relays and protections, automation products, D.C. sources and new energy products.


  TEST OBJECTS

Products such as relays,protections,meters in substations and power plants

Products such as D.C. sources in substations and power plants

Products such as protections, explosion-proof electric devices in industry and mining environment

Intelligent instrument, watt-hour meter and meter-reading system

Charging system for new energy electric vehicle

New energy photovoltaic inverter and current-junction box

New energy wind power converter

Merging unit and intelligent terminal in intelligent substation

Civilian products ,such as tax-controlled tankers, automatic payment terminal 

  TEST ITEMS

Radiation emissions

Conducted emissions

Limits for harmonic current emissions

Limitation of voltage fluctuations and flicker

Radiated,radio-frequency,electromagnetic field immunity

Surge immunity

Electrical fast transient/burst immunity

Damped oscillatory wave immunity

Ring wave immunity test

Electrostatic discharge immunity test

Immunity to conducted disturbances,induced by radio-frequency field

Harmonics and interharmonics immunity

Voltage dips,short interruptions and voltage variations immunity on A.C. power supply port

Voltage dips,short interruptions and voltage variations immunity on D.C. power supply port

Ripple on D.C. power supply port immunity

Power frequency immunity tests

Power Frequency Magnetic Field Immunity

Damped oscillatory magnetic field immunity,

Pulse magnetic field immunity

Voltage fluctuation immunity

Three-phase voltage unbalance immunity

Variations of power frequency immunity

Immunity to conducted,common mode disturbances in the frequency range 0Hz to 150kHz


  TEST EQUIPMENT


1) 3m Anechonic Chamber 2) Profine2115 Power quality and programmable power supply testing system 3) Radiated,radio-frequency,electromagnetic field immunity test system 

4) Electromagnetic emission testing system  5) conducted immunity testing system

6) electrical fast transient/bursts immunity testing system 7) ESC17 measurement receiver 8) Surge immunity testing system


Authorized standards:

International standard IEC 61000-4 & National standard GB/T 17626series basic standards:

GB/T 17626.2 Electorstatic discharge immunity test(idt IEC 61000-4-2)

GB/T 17626.2 Radiated,radio frequency,electromagnetic field immunity test(idt IEC 61000-4-3)

GB/T 17626.4 Electrical fast transient/burst immunity test(idt IEC 61000-4-4)

GB/T 17626.5 Surge immunity test(idt IEC 61000-4-5)

GB/T 17626.6 Conducted immunity test(idt IEC 61000-4-6)

GB/T 17626.8 Power frequency magnetic field immunity test(idt IEC 61000-4-8)

GB/T 17626.9 Pulse magnetic field immunity test(idt IEC 61000-4-9)

GB/T 17626.10 Damped oscillatory magnetic field immunity test(idt IEC 61000-4-10)

GB/T 17626.11 Voltage dips, short interruptions and voltage variations immunity test(idt IEC 61000-4-11)

GB/T 17626.12 Ring wave test(idt IEC 61000-4-12)

GB/T 17626.13 Harmonics and interharmonics immunity test(idt IEC 61000-4-13)

GB/T 17626.14 Voltage fluctuation immunity test(idt IEC 61000-4-14)

GB/T 17626.16 Immunity to conducted, common mode disturbances in the frequency range from 0Hz to 150kHz(idt IEC 61000-4-16)

GB/T 17626.17 Ripple on DC power supply immunity test(idt IEC 61000-4-17)

IEC 61000-4-18 Damped ocsillatory wave immunity test

GB/T 17626.27 Three-phase unbalance immunity test(idt IEC 61000-4-27)

GB/T 17626.28 Variations of power frequency immunity test(idt IEC 61000-4-28)

GB/T 17626.29 Voltage dips,short interruptions and voltage variations on DC power supply port(idt IEC 61000-4-29)

 

International standard IEC 60255-22 & National standard GB/T 4598

GB/T 14598.9 Radiated,radio frequency,electromagnetic field immunity test(idt IEC 60255-22-3)

GB/T 14598.10 Electrical fast transient/burst immunity test(idt IEC 60255-22-4)

GB/T 14598.13 1MHz burst immunity test(idt IEC 60255-22-1)

GB/T 14598.14 Electorstatic discharge immunity test(idt IEC IEC 60255-22-2)

GB/T 14598.16 Electromagnetic emission test(idt IEC 60255-25)

GB/T 14598.17 Immuinty to conducted, induced by radio frequency test(idt IEC 60255-22-6)

GB/T 14598.19 Power frequency immunity test(idt IEC 60255-22-7)

 

IEC 61000-3-2 Harmonics current emission test

GB 17625.1 Harmonics current emission test

IEC 61000-3-3 Limitation of voltage fluctuations and flicker

GB 17625.2 Limitation of voltage fluctuations and flicker

CISPR 22 Information technology equipment-Radio disturbance characteristics-limits and methods of measurement

GB 9254 Information technology equipment-Radio disturbance characteristics-limits and methods of measurement

CISPR 11 Industrial, scientific and medical(ISM) radio-frequency equipment-Electromagnetic disturbance characteristics- limits and methods of measurement

GB 4824 Industrial, scientific and medical(ISM) radio-frequency equipment-Electromagnetic disturbance characteristics- limits and methods of measurement

IEC 60255-26 Measuring relays and protection equipment part 26: Electromagnetic compatibilty requirements

GB/T 14598.26 Measuring relays and protection equipment part 26: Electromagnetic compatibilty requirements

IEC 61800-3 Adjustable speed electrical power drive system-part 3: EMC requirements and specific test methods

GB/T 12668.3 Adjustable speed electrical power drive system-part 3: EMC requirements and specific test methods

GB 15153.1 Telecontrol equipment and systems--part 2: operating conditions--section 1:power supply and electromagnetic compatibility

ANSI/IEEE C62.41.2 Recommended practice on characterization of surges in low-voltage (1000 V and Less)AC power circuits

ANSI/IEEE C37.90.1 Surge withstand capability (SWC) tests for relays and relay systems associated with electric power apparatus

ANSI/IEEE C37.90.2 Standard for withstand capability of relay systems to radiated electromagnetic interference from transceivers