Txoj kev sib txuas ntawm lub thawv ntsuas
Feem ntau lub zog xa mus yog nyob rau hauv txoj kev ntawm peb-theem plaub-hlau. Peb qhov kawg ntawm peb-theem hluav taws xob yog hu ua theem xaim, thiab peb lub tails ntawm peb-theem hluav taws xob txuas ua ke thiab hu ua cov xaim nruab nrab, uas tseem hu ua" xoom xaim". ;. Yog vim li cas vim li cas nws thiaj li hu ua kab nruab nrab yog tias tsis muaj tam sim no ntws los ntawm cov kab nruab nrab ntawm lub sijhawm ntawm peb theem sib npaug, thiab nws yog ncaj qha los yog tsis ncaj nraim rau lub ntiaj teb, thiab qhov hluav taws xob rau lub ntiaj teb kuj nyob ze rau xoom. Peb-theem plaub-xaim system: Hauv qhov hluav taws xob qis hluav taws xob faib hluav taws xob, cov kab xa hluav taws xob feem ntau siv peb-theem plaub-xaim system. Yog hais tias qhov nruab nrab point yog grounded, cov kab nruab nrab kuj tseem hu ua kab nruab nrab (lub npe qub yuav tsum zam kom maj mam thiab hloov npe PEN). Yog tias nws tsis yog hauv av, txoj kab nruab nrab tsis tuaj yeem hu ua kab nruab nrab hauv kev txiav txim siab nruj). Nyob rau hauv ib-theem kis tau tus mob kab uas nkag mus rau tus neeg siv, muaj ob kab, ib tug hu ua theem kab L, thiab lwm yam yog hu ua lub nruab nrab kab N. Raws li ib txwm muaj, cov kab nruab nrab yuav tsum dhau tam sim no los ua ib lub voj voog tam sim no. nyob rau hauv ib theem kab. Nyob rau hauv peb-theem system, thaum peb-theem sib npaug, cov kab nruab nrab (zero kab) tsis muaj tam sim no, yog li nws yog hu ua peb-theem plaub-xaim system; Teem N kab, qee zaus kuj tuaj yeem siv rau xoom-sequence nrhiav tam sim no, txhawm rau saib xyuas qhov sib npaug ntawm peb-theem fais fab mov. Lub transformer nyob rau hauv chav faib khoom outputs peb nyob ntawm tej thiab ib tug nruab nrab hlau (grounding kuj hu ua ib tug nruab nrab hlau). Txhua ntawm peb nyob ntawm cov xov hlau (theem xaim) thiab xoom xaim yog 220v ib-theem. Cov xaim nyob thiab cov xaim nyob yog ob-theem (ob-theem) 380v. Tag nrho peb cov nyob ntawm tej yog siv los ua peb-theem, thiab txhua ob lub xov tooj yog 380v. Ib lub voj voog uas muaj cov xaim nyob thiab cov xaim nruab nrab yog hu ua ib-theem circuit. Lub Circuit Court uas muaj peb nyob ntawm tej yog hu ua peb-theem Circuit Court.
Ob-theem Tuam Tshoj tsis siv. Peb-theem tsib-xaim kab lus hais txog A, B, C, N thiab PE xov hlau. Ntawm lawv, PE xaim yog cov xaim hauv av tiv thaiv, tseem hu ua cov xaim kev nyab xeeb, tshwj xeeb yog siv los ua kom muaj kev nyab xeeb ntawm kev siv hluav taws xob, xws li cov khoom siv hauv tsev. PE kab txuas nrog N kab ntawm sab ntawm lub tshuab hluav taws xob hloov hluav taws xob, tab sis nws yuav tsum tsis txhob siv los ua cov kab nruab nrab tom qab nkag mus rau cov neeg siv sab, txwv tsis pub nws yuav tsis txawv ntawm peb-theem plaub-xaim system. tom qab chaos. Vim tias qhov kev tsis sib haum xeeb no ua rau tib neeg tsis nco qab, nws yuav ua rau muaj kev sib tsoo hluav taws xob ntau dua hauv kev xyaum. Qhov sib txawv ntawm cov kab nruab nrab thiab PE kab yog tias cov kab nruab nrab tsim lub voj, thiab PE kab tsuas yog ua lub luag haujlwm tiv thaiv. Tam sim no cov khoom siv hluav taws xob ntawm cov tsev nyob hauv pej xeem tau teev tseg tias yuav tsum siv peb-theem tsib-xaim system. Yog tias koj tsis yog, koj tuaj yeem thov kev kho. Rau kev nyab xeeb, peb yuav tsum categorically xav tau kev siv peb-theem tsib-xaim system!
Xim specification
Nws yog qhov zoo tshaj plaws los siv cov qauv thiab qauv hlau xim xim hauv daim ntawv thov: Ib theem siv daj, B theem siv ntsuab, C theem siv liab, N hlau siv lub teeb xiav, thiab PE hlau siv daj thiab ntsuab. Nyob rau hauv ib-theem kis tau tus mob kab uas nkag mus rau tus neeg siv, muaj ob kab, ib tug hu ua nyob kab L (Line), uas yog xim av; lwm qhov yog cov kab nruab nrab N (Neutral), uas yog lub teeb xiav, thiab cov kab nruab nrab yog qhov qub. Nws yog ib qho tsim nyog kom dhau tam sim no los ua lub voj voog tam sim no hauv ib-theem Circuit Court; lwm lub qhov (socket) peb lub qhov (zero hluav taws nyob rau sab laug thiab hauv av nyob rau hauv nruab nrab) yuav muaj ib tug grounding hlau. Hauv av lub plhaub ntawm qee cov khoom siv hluav taws xob, uas yog, cov av tiv thaiv hlau PE, nrog cov kab daj ntsuab ob xim. Rov qab grounding Txawm hais tias N xaim (nruab nrab xaim) lossis PE xaim (tiv thaiv av xaim), rov qab grounding yuav tsum tau siv rau ntawm tus neeg siv sab los txhim kho kev ntseeg tau. Txawm li cas los xij, rov qab grounding tsuas yog rov qab grounding xwb. Nws tsuas tuaj yeem txuas ua ke ntawm qhov chaw hauv av lossis ze rau qhov chaw hauv av, tab sis tsis tau txhais hais tias nws tuaj yeem txuas ua ke ntawm txhua txoj haujlwm, tshwj xeeb hauv tsev. Qhov no yuav tsum nco ntsoov!" Ib-theem peb-xaim": nyob hlau L, nruab nrab hlau N thiab av xaim GND. Qhov voltage ntawm L thiab N yog 220V alternating tam sim no. Ntawd yog, ib-theem alternating tam sim no. Lub zog hluav taws xob hauv pej xeem yog siv los ntawm ib theem AC 220V voltage." Ob-theem peb-xaim": hais txog ob txoj hlua nyob L1 thiab L2 ntxiv rau ib qho nruab nrab hlau GND. Qhov voltage ntawm L1 thiab L2 yog 380V alternating tam sim no.
