Kev faib tawm ntawm cov khoom siv hluav taws xob uas siv hluav taws xob
(1) Lub ntsuas hluav taws xob hluav taws xob tuaj yeem muab faib ua DC hluav taws xob ntsuas hluav taws xob thiab AC hluav taws xob ntsuas hluav taws xob raws li kev siv hluav taws xob. AC hluav taws xob ntsuas hluav taws xob tuaj yeem muab faib ua ib theem hluav taws xob ntsuas hluav taws xob, peb-theem peb-xaim hluav taws xob hluav taws xob ntsuas thiab peb-theem plaub-xaim hluav taws xob hluav taws xob ntsuas raws li lawv cov kab theem.
(2) Cov ntsuas hluav taws xob hluav taws xob tuaj yeem muab faib ua hluav taws xob hluav taws xob ntsuas hluav taws xob thiab hluav taws xob hluav taws xob ntsuas hluav taws xob (tseem hu ua cov ntsuas hluav taws xob zoo li qub, cov ntsuas hluav taws xob hauv lub xeev) raws li lawv cov qauv kev ua haujlwm. Electromechanical hluav taws xob ntsuas hluav taws xob siv hauv AC circuits raws li cov khoom siv hluav taws xob ntsuas hluav taws xob, thiab feem ntau siv ib qho yog induction hluav taws xob ntsuas hluav taws xob. Hluav taws xob watt-teev ntsuas tau muab faib ua hluav taws xob watt-teev ntsuas thiab electromechanical watt-teev meters.
(3) Lub ntsuas hluav taws xob hluav taws xob tuaj yeem muab faib ua ib qho hluav taws xob ntsuas hluav taws xob thiab faib hluav taws xob ntsuas hluav taws xob raws li nws cov qauv.
(4) Cov ntsuas hluav taws xob hluav taws xob tuaj yeem muab faib ua lub zog ntsuas hluav taws xob, ntsuas hluav taws xob reactive, ntsuas qhov siab tshaj plaws, ntsuas ntsuas hluav taws xob, ntsuas hluav taws xob ntau lub sijhawm sib koom, ntsuas hluav taws xob ua ntej, ntsuas hluav taws xob poob, thiab ntau lub zog ntsuas ntsuas raws li rau lawv siv. Tos.
(5) Lub ntsuas hluav taws xob tuaj yeem muab faib ua cov khoom siv hluav taws xob zoo tib yam (0.2, 0.5, 1.0, 2.0, 3 . 0.2 qib) raws li nws qib raug.
Tus qauv ntawm lub ntsuas hluav taws xob hluav taws xob thiab lub ntsiab lus ntawm lub cim ntawm daim ntawv teev npe
1. Qauv thiab nws lub ntsiab lus
Tus qauv hluav taws xob hluav taws xob ntsuas hluav taws xob yog sawv cev los ntawm kev teeb tsa ntawm cov ntawv thiab cov lej, thiab cov ntsiab lus suav nrog qeb code ntxiv rau pab pawg code ntxiv rau tus lej tsim tus lej ntxiv rau tus lej derivative.
(1) Qeb code. D lub ntsuas hluav taws xob.
(2) Pab pawg code.
1) Sawv cev rau theem kab: D ib theem; T peb-theem plaub-xaim active zog; S ib tug peb-theem peb-xaim active zog; X muaj peb-theem reactive zog.
2) Qhia siv: B-tus qauv; D-multifunctional; M- mem tes; S-txhua qhov hluav taws xob; Z-qhov xav tau ntau tshaj. Y-payment: F-ntau tus nqi.
(3) Tsim tus naj npawb. Nws yog sawv cev los ntawm cov lej Arabic.
(4) Derivation naj npawb. T yog siv rau kub thiab av noo thiab qhuav; TH yog siv rau thaj tsam huab cua sov; TA yog siv rau thaj tsam chaw sov qhuav; G yog siv rau toj siab; H yog siv rau nkoj; F yog siv rau chemical anticorrosion.
E.g:
DD stands rau ib-theem hluav taws xob ntsuas hluav taws xob, xws li DD862 hom, DD701 hom, DD95 hom.
DS sawv cev rau peb-theem peb-xaim lub zog ntsuas hluav taws xob, xws li DS8, DS310, DS864, thiab lwm yam.
DT sawv cev rau peb-theem plaub-xaim lub zog ntsuas hluav taws xob, xws li DT862 thiab DT864.
DX stands rau reactive zog ntsuas, xws li DX8, DX9, DX310, DX862.
DZ sawv cev rau qhov kev thov siab tshaj plaws, xws li hom DZl.
DB stands rau tus qauv hluav taws xob ntsuas hluav taws xob, xws li DB2 hom thiab DB3 hom.
2. Daim ntawv teev npe
Daim ntawv teev npe yuav tsum muaj cov hauv qab no:
(1) Cov cim lag luam.
(2) Ntsuas kev tso cai cim (CMC).
(3) Lub npe lossis lub cim ntawm chav ntsuas ntsuas, xws li: "kWh" lossis "kWh" rau lub zog ntsuas hluav taws xob; "kvarh" los yog "kvarh" rau reactive zog ntsuas.
Nyob rau hauv lub qhov rais ntawm lo lus log counter, qhov integer thiab decimal qhov chaw yog txawv los ntawm txawv xim, nrog ib tug zauv point nyob rau hauv nruab nrab; Yog tias tsis muaj tus lej lej, txhua lo lus lub log ntawm lub qhov rais muaj qhov sib npaug, xws li × 100, × 10, × 1, thiab lwm yam. Rau cov lej thiab lej ntawm lub vijtsam LCD, muaj tus lej lej hauv nruab nrab. .
(4) Lub npe thiab qauv ntawm lub ntsuas hluav taws xob hluav taws xob.
(5) Basic tam sim no thiab ntsuas qhov siab tshaj plaws tam sim no. Qhov yooj yim tam sim no (calibration tam sim no) yog tus nqi tam sim no uas txiav txim siab cov yam ntxwv cuam tshuam ntawm lub ntsuas hluav taws xob hluav taws xob. Nws yog qhov yooj yim ua haujlwm tam sim no ntawm lub ntsuas hluav taws xob, qhia hauv Ib; qhov ntsuas siab tshaj plaws tam sim no yog qhov siab tshaj plaws tam sim no tus nqi uas lub meter tuaj yeem ua tau raws li qhov tseeb tau teev tseg los ntawm nws cov qauv tsim khoom. Qhia hauv Imax. Piv txwv li, 1.5 (6) A txhais tau hais tias tus nqi tam sim no ntawm lub ntsuas hluav taws xob yog 1.5A, thiab qhov ntsuas siab tshaj plaws tam sim no yog 6A. Yog tias qhov ntsuas qhov siab tshaj plaws tam sim no tsawg dua 150 feem pua ntawm cov tam sim no, tsuas yog qhia qhov tam sim no. Rau peb-theem hluav taws xob ntsuas hluav taws xob, tus naj npawb ntawm theem yuav tsum tau muab faib ua ntej, xws li 3 × 5 (20) A.
(6) Siv voltage. Qhov siv hluav taws xob yog qhov ntsuas hluav taws xob uas txiav txim siab cov yam ntxwv cuam tshuam ntawm lub ntsuas hluav taws xob hluav taws xob, thiab yog qhov ua haujlwm voltage ntawm lub ntsuas hluav taws xob hluav taws xob, qhia los ntawm Un. Rau peb-theem peb-xaim hluav taws xob hluav taws xob ntsuas hluav taws xob, qhov kev siv hluav taws xob tau nthuav tawm los ntawm kev sib npaug ntawm cov theem los ntawm kab hluav taws xob, xws li 3 × 100V; rau peb-theem plaub-xaim hluav taws xob hluav taws xob ntsuas hluav taws xob, nws tau nthuav tawm los ntawm kev sib npaug ntawm cov theem los ntawm theem voltage / kab hluav taws xob, xws li 3 × 220 / 380V; Rau ib-theem hluav taws xob hluav taws xob ntsuas, nws yog qhia los ntawm theem voltage, xws li 220V.
(7) Kev siv zaus. Qhov kev siv zaus yog tus nqi zaus uas txiav txim siab txog cov yam ntxwv ntawm lub zog hluav taws xob ntsuas, uas yog, lub zog zaus, nrog hertz (Hz) ua chav tsev.
(8) Lub ntsuas hluav taws xob tsis tu ncua. Lub ntsuas hluav taws xob hluav taws xob tas li yog qhov tsis tu ncua ntawm kev sib raug zoo ntawm lub zog hluav taws xob kaw los ntawm lub ntsuas hluav taws xob hluav taws xob thiab cov xov tooj sib txuas lossis cov pulses. Lub zog hluav taws xob ntsuas hluav taws xob tau qhia nyob rau hauv daim ntawv ntawm r (imp) / kwh lossis kwh / r (imp), thiab lub zog hluav taws xob reactive yog qhia nyob rau hauv daim ntawv ntawm r ( imp) / kvarh los yog kvarh / r (imp) . Ob qho tib si muaj kev sib raug zoo nrog ib leeg.
(9) Qib raug. Nws yog sawv cev los ntawm tus lej qib nkag hauv lub voj voog, xws li noodles. uniform, @. Yog tias tsis muaj qhov cim, lub ntsuas hluav taws xob hluav taws xob raug suav tias yog qib 2
(10) Cov cim rau tus lej ntawm cov theem thiab kab.
(11) Lub peev xwm tiv taus ib puag ncig yog muab faib ua 4 pawg: P, S, A, thiab B.
(12) Cov qauv tsim khoom.