傳導(dǎo)(CE)
主要標(biāo)準(zhǔn)Main Reference Standards:
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 evision 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(yīng)用特點(diǎn)Application Characteristics:
用來(lái)測(cè)量被試設(shè)備(EUT)在正常工作狀態(tài)下通過(guò)電源線、信號(hào)/控制線對(duì)周?chē)h(huán)境所產(chǎn)生的傳導(dǎo)干擾是否符合要求。如果干擾信號(hào)過(guò)大,就會(huì)影響整個(gè)電網(wǎng)的用電質(zhì)量,從而干擾到其他電器的正常運(yùn)行。
在實(shí)際測(cè)試時(shí),受試物在上電期間可能會(huì)產(chǎn)生很強(qiáng)的瞬態(tài)信號(hào),可能會(huì)沖擊并損壞測(cè)試接收機(jī)的 RF 輸入端口,因此一般需要在 AMN 和接收機(jī)之間串一個(gè)能抑制瞬態(tài)信號(hào)的脈沖限幅器。如果受試物電流過(guò)大(例如大于 400A)或者無(wú)法使用 AMN 進(jìn)行測(cè)量時(shí),可以使用 CISPR 16-1-2 規(guī)定的高阻抗電壓探頭進(jìn)行測(cè)量。
<span color:#666666;background:white;"="" style="margin: 0px; padding: 0px; line-height: 11.88px;">測(cè)試環(huán)境:屏蔽室