Qhov txawv ntawm peb theem high-supply high meter thiab high-supply low meter
Peb-theem high-supply meter yog hais txog high-voltage fais fab mov thiab high-voltage metering. Feem ntau, lub 'meter' ntawm high-voltage sab ntawm lub transformer ntsuas hluav taws xob los ntawm lub transformer. High-supply thiab low-metering yog hais txog high-voltage fais fab mov thiab low-voltage metering. Feem ntau, hluav taws xob yog ntsuas ncaj qha los ntawm ammeter nyob rau sab qis-voltage ntawm transformer. Qhov zoo ntawm cov khoom siv siab thiab siab meter metering txoj kev yog txo cov kev ua haujlwm ntawm kev ntsuas metering, ua tau raws li qhov yuav tsum tau ntsuas qhov loj tshaj plaws, thiab muaj kev tswj tau zoo; nws tuaj yeem tiv thaiv cov neeg siv los ntawm kev nyiag hluav taws xob. Txawm li cas los xij, txoj kev no kuj muaj qee qhov tsis zoo. Hauv qab no yog qhov txawv ntawm ob lub rooj rau koj siv:
(1) Tsis tuaj yeem ua tau raws li qhov yuav tsum tau muaj ntawm kev faib hluav taws xob nqi hluav taws xob. Vim qhov sib txawv ntawm tus nqi hluav taws xob vim qhov kev siv hluav taws xob thiab hom kev siv hluav taws xob, rau kev yooj yim ntawm kev them nqi, ntau hom kev thauj khoom yuav tsum tau ntsuas nyias.
Nws yog ib qho nyuaj kom phim cov CT nrog rau qhov tseeb fais fab load kom tau raws li qhov yuav tsum tau metering (cov thawj tam sim no ntawm CT yuav tsum tau raws li 20 feem pua -10 feem pua ntawm cov ntsuas tam sim no. Thawj yog tias muaj ntau tus neeg siv txuas nrog. T nyob rau hauv high-voltage kab nyob rau hauv cov cheeb tsam nyob deb nroog, thiab lub hwj chim noj pawg yog txawv, ntxiv rau lub caij nyoog load nyob rau hauv cov cheeb tsam nyob deb nroog (Nyob rau hauv lub caij ntuj no thiab dej nyab tswj cov kua thiab irrigation hluav taws xob), muaj ib tug loj sib txawv ntawm lub ncov thiab hav 24 teev nyob rau ib hnub. Qhov thib ob, nyob rau hauv kev lag luam underdeveloped cheeb tsam, tsis tas li ntawd ntau lawm tuam txhab uas muag muaj loj hnub thiab hmo ntuj load fluctuations, thiab cov hluav taws xob load yog heev unbalanced, yog li ntawd, CT match yog nyuaj rau ua tau raws li qhov ntsuas. Yog hais tias CT magnification loj, nws yuav inevitably ua rau hluav taws xob ntsuas hluav taws xob nres los yog distorted thaum lub load me me (22: 00 ~ 8: 00); ntawm qhov tsis tooj, lub CT mas fication yog me me, thiab nws yog ib qho yooj yim mus hlawv tawm lub CT, thiab kuj
cuam tshuam qhov ntsuas qhov tseeb. Yog li ntawd, nws tsis tsim nyog xaiv txoj kev ntsuas ntsuas nrog cov khoom siv siab thiab kev suav siab rau kev siv hluav taws xob nyob deb nroog thiab cov neeg siv khoom lag luam thiab kev lag luam mining nrog kev tsim khoom tsis tu ncua.
Yuav tsum tsis muaj qhov sib txawv ntawm cov khoom siv siab thiab kev suav siab thiab cov khoom siv siab thiab kev suav qis, txoj cai?
Muaj qhov sib txawv. Cov khoom siv hluav taws xob siab thiab siab-meter hluav taws xob ntsuas hluav taws xob tau teeb tsa rau ntawm qhov siab-voltage sab ntawm qhov tau txais transformer, thiab cov khoom siv hluav taws xob siab thiab qis-meter hluav taws xob ntsuas hluav taws xob tau teeb tsa rau ntawm qhov hluav taws xob qis ntawm qhov txais transformer. . Ntxiv nrog rau cov thev naus laus zis thev naus laus zis, lub zog ntawm cov khoom siv siab thiab ntsuas qis yuav tsum tau ntxiv nrog rau qhov sib txawv ntawm lub zog poob.
2 Yuav ua li cas xaiv txoj kev ntsuas ntawm cov khoom ntsuas siab
(1) Kev ntsuas kev ntsuas ntawm cov khoom siv siab thiab ntsuas siab yog tsim rau kev lag luam thiab kev lag luam mining nrog peb-hloov ntau lawm nrog kev hloov me ntsis hauv kev thauj khoom, siab load tus nqi thiab sib npaug load. Kev xaiv cov meters thiab transformers yuav tsum ua tau raws li qhov yuav tsum tau ua.
(2) Ua haujlwm zoo hauv cov neeg siv khoom twv twv, tuav tus neeg siv khoom tsim, txheej txheem tsim khoom, lub zog thauj khoom thiab hloov pauv, thiab ua tau raws li qhov zoo tshaj plaws match ntawm CT thiab load tam sim no.
(3) Ntsuam xyuas qhov kev poob siab thib ob ntawm PT kom ua tau raws li qhov yuav tsum tau ua kom lub siab poob qis ntawm PT tsis ntau dua li qhov tso cai.
