High frequency recommended vocabulary
This part of the Chinese EMC test series specifies the damped oscillatory wave immunity test, and in China it is applied principally to equipment installed in or adjacent to high voltage and medium voltage switching installations, where every operation of a disconnector produces a train of oscillatory transients on the station wiring. Its use is concentrated in the technical specifications for substation protection, control and communication equipment and for the fixed installations of the electrified railway, both of which are large sectors of the Chinese electrical equipment market. The Chinese text corresponds to the international document, so the generator characteristics, the coupling networks and the severity levels will be familiar; the value of this entry is that it establishes the Chinese designation under which the test is demanded in domestic tender documents. The highest of the three frequency ranges is reserved for equipment installed in gas insulated switchgear enclosures, which are widely used in Chinese urban substations.
The CA-CCC transducer plate is applied for the calibration of capacitive coupling clamp. It is designed in accordance with domestic and international standards including IEC 61000-4-4 and GB/T 17626.4.
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The CDN 416AFL8 is a coupling/decoupling network for unshielded asymmetric communication line of damped oscillatory wave. It complies with IEC 61000-4-12, IEC 61000-4-18, GB/T 17626.12 and GB/T 17626.18.
The CDN 418TH8 is a coupling/decoupling networks for damped oscillatory waves testing on unshielded symmetrical high-speed communication lines complies with IEC 61000-4-12, IEC 61000-4-18, GB/T 17626.12 and GB/T 17626.18.
The CDN 418CAN coupling/decoupling network is a professional device designed for immunity tests of damped oscillatory waves and ring waves on CAN/LIN lines.
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The DOS 300(1XXX) Slow Damped Oscillatory Wave Simulator is designed in accordance with IEC 61000-4-18 to simulate repetitive slow damped oscillatory phenomena caused by switching disconnectors occurring on power, control, and signal cables in HV/MV power systems, particularly caused by HV busbar switching.
The DOS 300 Series Damped Oscillatory Wave Simulator can perform slow damped oscillatory wave tests according to IEC 61000-4-18 and damped oscillatory magnetic field tests according to IEC 61000-4-10 (optional).
The DOS 300 Series Damped Oscillatory Wave Simulator can perform slow damped oscillatory wave tests according to IEC 61000-4-18 and damped oscillatory magnetic field tests according to IEC 61000-4-10 (optional).
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