Yuav ua li cas mus saib hauv lub fais 'meter' nyob rau hauv tsev ib leeg?

Txhua lub hlis cov neeg them rau hluav taws xob, uas lees paub rau kev noj ntawm hluav taws xob 'meter'. Feem ntau, txawm li cas los, tus nqi ntawm cov ntim hluav taws xob yog ho siab tshaj lub zog noj ntawm lub fact. Qhov no ntiab tsis ntseeg nyob rau zoo tshaj ntawm cov accounting unit. Cia saib yuav ua li cas mus saib hauv lub fais 'meter' nyob rau hauv tsev.

Yog vim li cas pw hluav taws xob meters?

Nyob rau hauv lub sij hawm ntawm kev hloov ntawm lub caij hluav taws xob meters feem ntau overestimate lawv zaj lus tim khawv. Cov pab kiag li lawm dag. Nyob rau hauv ntau forums, koj yuav nrhiav tau ntau yam kev sib tham txog zoo xws li cov mob.

Ib txhia neeg hais tias ib hmo ntawm lub tub yees zog metering ntaus ntawv tau suav raws li muaj ntau yam raws li 4 kW - ib tug ntau. Lub enterprise, uas yog koom nyob rau hauv muab hluav taws xob rau lub qhov, cov neeg nyob qhia tias lub txee ua hauj lwm raws nraim. Tab sis lub engineers ntawm tib tuam txhab uas muag tab tshaj tawm hais tias cov lus dag txee, thiab txawm raws li ib tug dag. Qhov no yog tshwj xeeb yog muaj tseeb ntawm cov nyiaj txiag systems, xws li lub txee "Mercury". Nws yog ib yam tsis txaus siab.

Qhov tiag daim duab no yog hais tias muab inflated nuj nqis pes ntaus tau thiab yog heev kom zoo lag luam. Tus thawj yog vim li cas - cov poob ntawm voltage nyob rau hauv lub network vim tus txhaum ntawm loj siv ntawm huab cua txias los yog cua sov cov khoom. Khoom vaj khoom tsev efficiency txawv downward thaum voltage yog qis dua 220 V.

Yog li, lub tshuab mus cuag ib txhia kev pab raws qib yuav tsum, piv txwv li, tsis 0,19 kW / h nyob rau phau passport, thiab 0.25 thiab saum toj no. Qhov no qauv yuav tsum tau cai nrog tag nrho cov cuab yeej tej. Nws hloov tawm hais tias lub tib neeg ntawm hluav taws xob ntawm txawv sij hawm ntawm lub cav kuaj yuav siv txawv cov nqi ntawm lub zog, txawm hais tias nws nkawd hais tias txhua yam yog zoo.

Nyob rau hauv cov ntaub ntawv no, nws yog tsim nyog los ntsuam xyuas cov metering pab kiag li lawm, thiaj li tsis tau them hwj chim tuam txhab uas muag uas tau them rau qhov lawv tau ua. Lub fact tias cov hluav taws xob khoom yog yuam ua hauj lwm kom muaj cov yam tsis nyob rau hauv lub network. Yog hais tias cov tsis yog ua txhaum, ces nyob rau hauv Teb chaws Europe, rau nws them cov nqi muab lub tuam txhab.

Thaum mus xyuas cov hluav taws xob 'meter'?

Kos rau lub metering ntaus ntawv yuav tsum tau nyob rau hauv tus neeg mob qhov twg muaj nyob rau hauv nws cov hauj lwm txhaum cai, namely pom ib tug muaj zog loj hlob ntawm tau los yog, conversely, ib tug ntse poob. Nrog ntxiv pov thawj yuav tsum tsis txhob ncua, ceev ceev teb, nyob rau hauv cov ntaub ntawv no kom tsis txhob muaj teeb meem loj thiab nplua. Tsis tas li ntawd mus saib yuav tsum tau ua thaum txuas tej yam tshiab cov khoom yog hais tias tus zog noj nyob rau tib lub sij hawm tseem nyob tib yam li nws yog. Thiab lwm qhov teeb meem - ib tug txo nyob rau hauv real noj, yog hais tias tus counter yog nyob rau tib lub sij hawm tsis hloov nws kev kawm ntawv.

Tsis tas li ntawd, cov hluav taws xob 'meter' yog soj ntsuam ib xyoos ib zaug. Tej raws sij hawm xeem yuav pab tau kom tsis txhob muaj teeb meem loj.

Piav ib qhov teeb meem paub rau koj? Ces koj yuav tsum tau siv tej yam yooj yim lub tswv yim yuav ua li cas mus saib hauv lub fais 'meter' rau lawv tus kheej. Thaum lub sij hawm soj ntsuam, tus ntaus ntawv yuav tau soj ntsuam kuaj nyob rau hauv nws tus kheej-propelled thiab kev ua yuam kev. Xav stopwatch multimeter teeb nyob rau ntawm 100 watts thiab ib tug tswvyim.

Xyuas cov kev twb kev txuas

Qhov no yog ib qho tseem ceeb heev point. Nws yog ib qho tseem ceeb uas accounting ntaus ntawv tau raug zoo kev cob cog rua rau lub mains. Qhov no yuav yog ib tug network 220 los yog lub lag luam txheem ntawm 380 V.

Ib leeg-theem metering ntaus ntawv

Nyob rau hauv qhov, ib leeg-theem meters yog siv rau xws li qhov thiab ib leeg-theem network. Yuav kom txuas nyob rau hauv cov ntaub ntawv no, plaub terminals yog siv. Kom tswvyim - qhov no yog qhov chaw uas cov theem ntawm qhov hluav taws xob hlau mus rau ntawm thawj kab counter davhlau ya nyob twg. Los ntawm lub thib ob davhlau ya nyob twg yog feem ntau ib tug kab tawm hauv lub chav tsev. Nws kuj pom tau hais tias muaj tseeb thaum lub nruab nrab hlau mus rau davhlau ya nyob twg 3, thiab nyob los ntawm cov davhlau ya nyob twg 4. Yuav ua li cas mus saib hauv lub fais 'meter' nyob rau hauv tsev rau yog kev twb kev txuas? Cia li suav cov davhlau ya nyob twg thiab pom nyob qhov twg thiab zoo li cas mus.

peb-theem 'meter'

Rau cov nyob ntawm tus kheej lub tsev siv ib tug me ntsis txawv kev twb kev txuas daim duab, raws li nyob rau hauv cov ntaub ntawv no, muaj yog yuav muab ib tug peb-theem tsev ntawm hluav taws xob.

Nyob rau hauv lub Circuit Court mas nws txawv tsuas yog tus naj npawb ntawm cov cables thiab terminals. Cov kev cai hais txog kev twb kev txuas yog tib yam - lub sij hawm ntawm lub fais kab yog kev cob cog rua rau davhlau ya nyob twg 1, thiab tawm ntawm lub davhlau ya nyob twg 2. Qhov thib ob theem muaj xws li ib tug davhlau ya nyob twg 3 thiab tawm los ntawm cov davhlau ya nyob twg 4. Qhov thib peb theem tuaj mus rau lub davhlau ya nyob twg 5 thiab mus tawm los ntawm lub thib rau. Xoom yog kev cob cog rua rau davhlau ya nyob twg 7 thiab yog nyob rau hauv lub 8 th.

Ntawm no yog txhua yam uas koj yuav tsum paub ua ntej koj kuaj cov 'meter'.

Test 'meter' rau nws tus kheej-propelled

Yuav ua li cas yog nws tus kheej-propelled? Nws yog heev yooj yim - nws cov ntaub ntawv muaj zog, yog tias thaum lub caij ntawm tej expenditure nws yog tsis tuaj kawm ntawv. Uas yog, lub txee yuav suav hais tias cov pov thawj ntawm nws tus kheej, tsis muaj kev siv hluav taws xob khoom siv.

Yuav kom paub tseeb tias cov disk ntaus ntawv tsis tig rau lawv tus kheej, koj yuav tsum mus kiag li tig tawm tag nrho cov cav tov, uas muaj nyob rau hauv tus tes hloov qhov box nyob hauv qab ntawm cov ntaus ntawv thiab cov kev pab nyob, keyboards. Nws tseem yog tsim nyog los muab tag nrho cov hluav taws xob khoom siv.

Yuav ua li cas mus saib hauv lub fais 'meter' nyob rau hauv tsev self-propelled, Yog hais tias cov cav tov nyob rau hauv lub hwj chim daim phiaj uas ploj lawm? Tej zaum nws tshwm sim - qhov kev xeem no yog txawm yooj yim los tuav. Tag nrho cov khoom siv, raws li tau zoo raws li cov keyboards yog kaw los ntawm lub network. Nyob rau hauv cov ntaub ntawv no, lub hwj chim noj yuav tsum tsis mus kawm ntawv.

Tom qab disconnection yog pom zoo kom tos txog 10-15 feeb. Tom qab ntawd, pom tau qhov sib xeem: Yog hais tias lub hauv pem hauv ntej vaj huam sib luag LED yog blinking los yog spinning disk, ces tus ntaus ntawv tau tsis tau dhau qhov kev xeem. Tswv twb tsis xaiv raws li mus xyuas lub correctness ntawm cov 'meter' nyob rau hauv cov kev tswj los yog kev pab lub tuam txhab.

Yog hais tias tus ntaus ntawv yog ua hauj lwm kom zoo, ces tsis muaj dab tsi yuav tsis muaj flashing, tsis muaj kiv. LED yuav tsuas ntsais muag lawm ib zaug rau 10 feeb, lub disk yuav tsum tau ua ib tug kiv puag ncig thaum lub sij hawm tib 10 feeb.

Peb xav txog cov kev ntsuas kev ua yuam kev

Yog li ntawd, nyob rau hauv lub chav kawm ntawm qhov kev xeem no, nws yog tsim nyog los xam accounting system kev ua yuam kev. Rau qhov no nws yog pab tau rau ib tug incandescent teeb, multimeter, ib tug stopwatch, thiab ib tug tswvyim. Raws li cov 'meter' yog zoo tshaj plaws los mus siv hluav taws xob ntaus ntawv.

Lub load yog pom zoo hais tias lub feem ntau incandescent teeb - qhov teeb meem yog hais tias cov niaj hnub khoom siv yog tau tswj lawv lub hwj chim nyob ntawm qhov teeb meem no. Raws li ib tug tshwm sim, cov khoom ratings yuav tsis sib haum mus rau tiag tiag qhov tseem ceeb. Yog hais tias muaj yog tsis meej ntawm no theem, cov kev kuaj no yuav tsis yog.

Yuav ua li cas mus xyuas cov neeg ntawm lub 'meter'

Tus thawj yam uas koj yuav tsum tau ua ib qho kev ntsuas ntawm tus mains voltage, ntawm no thiab xav tau ib tug multimeter. Yuav ua li cas yuav siv no ntaus ntawv, koj yuav tsum paub nyob rau hauv ua ntej. Tus naj npawb ntawm cov zaub ntawm lub xab ntaus ntawv yog zoo dua mus rau sau cia rau ib daim ntawv.

Ces, ib tug tam sim no ntsuas teeb. Lub tester yog txhais mus rau hauv ib tug tam sim no ntsuas hom thiab txuas mus rau lub teeb. Ua ke nrog ib tug tam sim no yuav tsum tau rau cov lus teb thiab lub hwj chim lub teeb qhov muag teev. Qhov no yuav ua pom siv ib tug yooj yim mis los ntawm lub tsev kawm ntawv physics chav kawm - cov voltage khoo los ntawm lub hwj chim. Nyob rau hauv tas li ntawd, koj yuav tsum tau xam cov kuj ntawm lub teeb - cov voltage muab faib los ntawm lub hwj chim.

Tam sim no nws yog lub sij hawm mus rau checkout. Cia peb kawm saib yuav ua li cas mus saib hauv lub fais 'meter' nyob rau hauv tsev rau cov neeg. Ua li no, thaum ib tug burning qhov muag teev yog ntsuas ntev npaum li cas nws yuav siv sij hawm los ntawm lub accounting ntaus ntawv 10 blinking LED, los yog 10 revolutions ntawm lub disk. Nyob rau tib lub sij hawm nws yog tsim nyog los tswj cov voltage nyob rau hauv lub network. Piv txwv li, ntaus ntawv 10 tej zaum yuav ua revolutions rau 2 feeb, thiab cov voltage yuav ua tau 223 V.

Ntxiv mus, lub 'meter' vaj tsev yuav tsum tau mus nrhiav nws cov nqi tsis tu ncua - nws yog xws nyob rau hauv pulses ib kW / h. Tus nqi kuj yuav sib txawv. Piv txwv li, cov ntaub ntawv no nyob rau hauv vaj huam sib luag rau hluav taws xob 'meter' "Mercury."

siv cov qauv

Siv cov mis P = U * U / R yog xam lub sij hluav taws xob noj. Qhov no yog ua nyob rau hauv thiaj li yuav nrhiav npaum li cas yuav ua tau consumed nyob rau hauv lub teeb tam sim no.

Sim tseem yuav tau los xyuas seb yuav ua li cas npaum li cas hwj chim yog noj thaum lub sij hawm lub xeem lub sij hawm, rau piv txwv, cia nws ua rau 2 feeb. Yuav kom nrhiav tau tawm, tiag tiag noj yuav tsum tau muab faib los ntawm lub scan, nyob rau hauv cov ntaub ntawv no 120.

Kos tau kev ua yuam kev los ntawm cov hauv qab no mis: 1000 khoo los ntawm cov xov tooj ntawm koj lem muab faib los ntawm ib tug tas mus li los ntawm pem hauv ntej vaj huam sib luag. Piv txwv li: 1000 * 10/3200. Raug yog txiav txim los ntawm subtracting lub xov tooj ntawm lub xeem kauj ruam ntawm lub tiag tiag noj. Ntxiv mus, nws yog tag nrho cov yuav tsum tau khoo los ntawm 100. Yog hais tias nws muab ib ncig 5%, nws yog ib tug me nyuam ua yuam kev.

E = (P * T * A / qhov mem tes xov tooj - 1) * 100%

nyob rau E - yog qhov yuam kev nqi nyob rau hauv feem pua, P - hwj chim ntawm lub teeb, T - lub sij hawm thaum lub sij hawm uas lub txee yuav ua ib txhij kiv puag ncig, A - iav piv metering ntaus ntawv.

Tests nyob rau magnetization

Lus nug cov lus nug hais txog Network hom txee "Mercury" thiab "Neva" nyob rau magnetization theem. Qhov no yog hais tias cov pab kiag li lawm yog nruab nrog ib tug tshwj xeeb anti-magnetic foob. Yog hais tias qhov no unit yog sim kom tsis txhob nrog kev pab los ntawm ib tug haib hlau nplaum, ces qhov no yog qhov kev foob yuav hloov nws cov xim. Raws li ib tug tshwm sim, thaum xyuas cov khoom ntawm cov kev pab cuam thiab cov kev tswj tuam txhab uas muag yuav tau txais nyob rau hauv loj heev teeb meem.

Yog hais tias tus ntaus ntawv yog tsis yog ib tug tshiab qauv, thiab nws tsis yog yooj yim, ces nyob rau hauv lub magnetization yog soj ntsuam los ntawm txoj kev ib rab koob. Yog hais tias nws yog rho mus rau lub chav tsev thaum nws yog magnetized. magnetization theem dauv, Yog hais tias koj tshem tawm cov hlau nplaum nrog ib tug vaj huam sib luag ntawm ob los yog peb hnub. Yog hais tias tus ntaus ntawv txawm li ntawd tsis xav kom yuav tsum tau demagnetized, ces rau no muag tshwj xeeb demagnitizatory.

Hais tias yog tag nrho muaj yog paub txog yuav ua li cas mus saib hauv lub fais 'meter' nyob rau hauv tsev. Cov ntaub ntawv no yuav pab tau kom tsis txhob ruaj siv cov nqi kho mob thiab teeb meem loj.