High frequency recommended vocabulary
IEC 61000-4-11 specifies the immunity tests for voltage dips, short interruptions and voltage variations on the a.c. power port of equipment drawing up to 16 A per phase. These phenomena are the most common cause of misoperation and data loss in electronic equipment connected to a public supply: a dip occurs when a distant fault or a heavy load start-up pulls the supply voltage down for a few cycles, an interruption when a switching operation removes it entirely, and a voltage variation when the supply gradually rises or falls outside the steady-state tolerance. The standard defines the preferred test levels in terms of the residual voltage expressed as a percentage of the nominal value, together with the durations, the number of repetitions and the transition time between the nominal and the dipped voltage, and it carefully distinguishes dips beginning and ending at a zero crossing of the supply waveform from those at an arbitrary phase. Generator requirements, voltage measurement and the way the equipment is connected and monitored are all prescribed. The standard is paired with Part 4-34, which applies the same phenomena to higher-current equipment.
The CCS 500 is an intelligent multi-functional conducted electromagnetic compatibility (EMC) test equipment designed to meet a wide range of IEC/EN standards, including IEC 61000-4-4, -4-5, -4-8, -4-9, -4-11, -4-12, -4-29.
The CCS 600 is an intelligent multi-functional conducted electromagnetic compatibility (EMC) test equipment designed to meet a wide range of IEC/EN standards, including IEC 61000-4-4, -4-5, -4-8, -4-9, -4-11, -4-12, -4-29.
The CCS 800 is an intelligent multi-functional conducted electromagnetic compatibility (EMC) test equipment designed to meet a wide range of IEC/EN standards, including IEC 61000-4-4, -4-5, -4-8, -4-9, -4-11, -4-12, -4-29.
The CCS 1000 is an intelligent multi-functional conducted electromagnetic compatibility (EMC) test equipment designed to meet a wide range of IEC/EN standards, including IEC 61000-4-4, -4-5, -4-8, -4-9, -4-11, -4-29.
The power failure and magnetic field module VMT 2216SV complies with IEC 61000-4-8, IEC 61000-4-11, GB/T 17626.8 and GB/T 17626.11.
The PFS 3830TDC AC/DC Drop-out Switch is designed in accordance with the IEC 61000-4-11, IEC 61000-4-29, and IEC 61000-4-34.
PFS 3875TDC AC/DC Drop-out Switch is designed in compliance with IEC 61000-4-11, IEC 61000-4-29 and IEC 61000-4-34.
The PFS 4510SV Single-phase Power Failure Simulator is designed according to IEC/EN 61000-4-11 and GB/T 17626.11 standards.
The VVT 2216SV voltage variation module complies with IEC 61000-4-11, and is designed for AC voltage dips, short interruptions, and voltage variations immunity testing.
The VMT 2216SV (120%) Power Failure and Power Frequency Magnetic Field Module complies with IEC 61000-4-8 and IEC 61000-4-11.
The PFS 42200T Power Fault Simulator adopts the company’s new-generation control platform, in compliance with IEC 61000-4-11/34 and GB/T 17626.11/34 standards.
The CCS 600 is an intelligent multi-functional conducted electromagnetic compatibility (EMC) test equipment designed to meet a wide range of IEC/EN standards, including IEC 61000-4-4, -4-5, -4-8, -4-9, -4-11, -4-12, -4-29.
The CCS 600 is an intelligent multi-functional conducted electromagnetic compatibility (EMC) test equipment designed to meet a wide range of IEC/EN standards, including IEC 61000-4-4, -4-5, -4-8, -4-9, -4-11, -4-12, -4-29.
The CCS 600 is an intelligent multi-functional conducted electromagnetic compatibility (EMC) test equipment designed to meet a wide range of IEC/EN standards, including IEC 61000-4-4, -4-5, -4-8, -4-9, -4-11, -4-12, -4-29.
The CCS 600 is an intelligent multi-functional conducted electromagnetic compatibility (EMC) test equipment designed to meet a wide range of IEC/EN standards, including IEC 61000-4-4, -4-5, -4-8, -4-9, -4-11, -4-12, -4-29.
The CCS 600 is an intelligent multi-functional conducted electromagnetic compatibility (EMC) test equipment designed to meet a wide range of IEC/EN standards, including IEC 61000-4-4, -4-5, -4-8, -4-9, -4-11, -4-12, -4-29.
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