【正文】 d by ISO 16016 Konferenz Jurata 2022 Example of use: BXT ML4 BD EX 30, Installation into a metal housing 應(yīng)用舉例 : BXT ML4 BD EX 30, 安裝在金屬箱體內(nèi) FISCO certification Certificate of conformity KEMA 06 ATEX 0274 X II 2 (1) G EEx ia IIC T4/T5/T6 169。 2022 DEHN + S214。 2022 DEHN + S214。 2022 DEHN + S214。 2022 DEHN + S214。HNE / protected by ISO 16016 Konferenz Jurata 2022 “Lightning is not intrinsically safe !!!“ 雷擊不是本質(zhì)安全 169。HNE / protected by ISO 16016 Konferenz Jurata 2022 Explosion prevention and protection, Basic concepts and methodology DIN EN 1127 1, 2022 EN 11271:2022 “爆炸環(huán)境 防爆及保護(hù) 第 1部分 : 基本概念及方法 5 Elements of risk assessment 風(fēng)險(xiǎn)評(píng)估要素 Lightning 雷擊 ? If lightning strikes in an explosive atmosphere, ignition will always occur. Moreover, there is also a possibility of ignition due to the high temperature reached by lightning conductors. 如果雷電擊中爆燃性氣體 , 點(diǎn)火總是不可避免會(huì)發(fā)生 . 而且 , 雷擊導(dǎo)體上產(chǎn)生的高溫，其導(dǎo)致點(diǎn)火的可能性始終存在 . ? Large currents flow from where the lightning strikes and these currents can produce sparks in the vicinity of the point of impact. 當(dāng)大電流流過時(shí) , 同樣會(huì)在相鄰接點(diǎn)之間產(chǎn)生跳火 . 169。 BXT BAS EX, BXT ML4 ...EX LPZ 2 LPZ 1 LPZ 1 LPZ 0 A DEHNpipe DPI MD EX 24 M2 R Ex LPZ 0 B S1 Hazardous area measuring and control circuit Ex(i) 危險(xiǎn)區(qū)域測(cè)控電路 169。s), 沖擊后保護(hù)功能不會(huì)降低或者 劣化 . ? Installation of the SPD into a metal housing and earthing of min. 4 mm178。 2022 DEHN + S214。HNE / protected by ISO 16016 Konferenz Jurata 2022 casting pound UZ RS IO UO UN PA safety barrier / 安全柵 1‘ 2‘ 1 2 BLITZDUCTOR XT PA (1) (2) (1‘) (2‘) (PA) Safety barrier without galvanic isolation Protection with Blitzductor XT BXT ML4 BE 30 非電隔離保護(hù)的安全柵與 SPD安裝 169。 Sensor 傳感器 1 169。 2022 DEHN + S214。 2022 DEHN + S214。 本質(zhì)安全和非本質(zhì)安全電路之間 . test voltage of at least 1500 V rms, 1 min. 交流測(cè)試電壓至少為 1500V, 持續(xù) 1分鐘 Hazardous area / 危險(xiǎn)區(qū)域 Nonhazardous area / 非危險(xiǎn)區(qū)域 Resistance thermometer (enlarged) 阻性溫度計(jì) Transducer (associated equipment) 變送器 (關(guān)聯(lián)設(shè)備 ) 169。HNE / protected by ISO 16016 Konferenz Jurata 2022 control room 控制室 Lightning and surge protection in accordance with EN 62305 雷擊及電涌保護(hù) ,根據(jù) EN 62305 Nonhazardous area Hazardous area measuring and control circuit Ex(i) 危險(xiǎn)區(qū)域測(cè)控電路 3 OUT 4 1 IN 2 BLITZDUCTOR CT explosion protection zone 0 防爆分區(qū) 0 explosion protection zone 1, 2 防爆分區(qū) 1,2 min. 4 mm178。HNE / protected by ISO 16016 Konferenz Jurata 2022 Control room/ 控制室 Looking for Sources of Ignitions 確定點(diǎn)火源 Nonhazardous area Hazardous area / 危險(xiǎn)區(qū)域 1 IN 2 . Barrier /安全柵 explosion protection zone 0 防爆分區(qū) 0 explosion protection zone 1, 2 防爆分區(qū) 1,2 S1 169。169。 2022 DEHN + S214。 2022 DEHN + S214。 本質(zhì)安全電路與底座之間 . test voltage of at least 500 V rms, 1 min. 交流測(cè)試電壓至少為 500V, 持續(xù) 1分鐘 ? between the intrinsically safe and nonintrinsically safe circuit。 XT BXT ML4 BD EX 30 Isolation from earth ensured ! BXT ML4 BD EX 30, 確保對(duì)地隔離 Powerfrequency voltage strength = 500 V 工頻電壓強(qiáng)度 = 500V (1) (2) (1‘) (2‘) (PA) 169。HNE / protected by ISO 16016 Konferenz Jurata 2022 Hazardous area Nonhazardous area Transducer /變送器 casting pound UZ RS IO UO UN automation device 自動(dòng)化設(shè)備 PA a) Safety barrier without galvanic isolation Earthbound 非電隔離并接地的安全柵 safety barrier / 安全柵 危險(xiǎn)區(qū)域 非危險(xiǎn)區(qū)域 169。 BLITZDUCTOR174。 2022 DEHN + S214。HNE / protected by ISO