石油化工自动化
石油化工自動化
석유화공자동화
AUTOMATION IN PETRO-CHEMICAL INDUSTRY
2012年
1期
28-32
,共5页
爆炸性气体危险场所%防爆技术%能量限制技术%限能回路评定%防护等级
爆炸性氣體危險場所%防爆技術%能量限製技術%限能迴路評定%防護等級
폭작성기체위험장소%방폭기술%능량한제기술%한능회로평정%방호등급
dangerous area of explosive gas%explosion-proof technique%energy limitation technique%energy-limited circuit assessment%protection
从工程角度阐述了“nL”能量限制防爆技术的基本概念，技术特点，回路评定方法及在2区的应用。对能量限制技术和本安防爆技术的异同进行了阐述；对“nL”型限能设备在现场总线系统中的应用做了简要介绍；最后，对“nL”能量限制和本安防爆技术的最新发展——“ic”防护等级本安防爆技术进行了介绍。
從工程角度闡述瞭“nL”能量限製防爆技術的基本概唸，技術特點，迴路評定方法及在2區的應用。對能量限製技術和本安防爆技術的異同進行瞭闡述；對“nL”型限能設備在現場總線繫統中的應用做瞭簡要介紹；最後，對“nL”能量限製和本安防爆技術的最新髮展——“ic”防護等級本安防爆技術進行瞭介紹。
종공정각도천술료“nL”능량한제방폭기술적기본개념，기술특점，회로평정방법급재2구적응용。대능량한제기술화본안방폭기술적이동진행료천술；대“nL”형한능설비재현장총선계통중적응용주료간요개소；최후，대“nL”능량한제화본안방폭기술적최신발전——“ic”방호등급본안방폭기술진행료개소。
Basic concept, technical features, circuits assessment and application in Zone 2 area of ＂nL＂ energy limitation explosion-proof technique are introduced from the engineering point of view. The similarities and differences of energy limitation and intrinsic safety explosionproof technique are expatiated. Application of ＂nL＂ energy-limited apparatus in fieldbus system is briefly introduced. The latest development of ＂nL＂ energy limitation and intrinsic safety explosion-proof technique of ＂ic＂ intrinsic safety level of protection is described.
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