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
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
