用來測量被試設備(EUT)在正常工作狀態下通過電源線、信號/控制線對周圍環境所產生的傳導干擾是否符合要求。如果干擾信號過大,就會影響整個電網的用電質量,從而干擾到其他電器的正常運行。
傳導騷擾(CE)
主要標準:
CISPR 11: Industrial, scientific and medical (ISM) radio-frequency equipment and similar equipment –Radio-frequency disturbance characteristics –Limits and methods of measurement
CISPR 12: Vehicles, boats and internal combustion engines—Radio disturbance characteristics—Limits and methods of measurement for the protection of off board receivers
CISPR 13: Sound and television broadcast receivers and associated equipment –Radio disturbance characteristics –Limits and methods of measurement
CISPR 14-1:Electromagnetic compatibility . Requirements for household appliances, electric tools and similar apparatus -Part 1: Emission
CISPR 15: Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment
CISPR 22:Information technology
equipment – Radio disturbance characteristics –Limits and methods of measurement
應用特點:
用來測量被試設備(EUT)在正常工作狀態下通過電源線、信號/控制線對周圍環境所產生的傳導干擾是否符合要求。如果干擾信號過大,就會影響整個電網的用電質量,從而干擾到其他電器的正常運行。在實際測試時,受試物在上電期間可能會產生很強的瞬態信號,可能會沖擊并損壞測試接收機的 RF 輸入端口,因此一般需要在 AMN 和接收機之間串一個能抑制瞬態信號的脈沖限幅器。如果受試物電流過大(例如大于 400A)或者無法使用 AMN 進行測量時,可以使用 CISPR 16-1-2 規定的高阻抗電壓探頭進行測量。
測試配置布置圖:
主要測試設備:接收機、人工電源網絡、電壓探頭、EMC測試軟件等
測試環境:屏蔽室