Lub ntsuas hluav taws xob yog lub ntsuas ntsuas tseem ceeb siv los ntsuas hluav taws xob siv hluav taws xob; nws kuj yog feem ntau hu ua watt - teev meter. Cov ntsuas hluav taws xob thaum ntxov ua haujlwm feem ntau siv lub tshuab hluav taws xob induction- hom qauv, siv cov hauv paus ntsiab lus ntawm cov hlau nplaum thiab cov eddy tam sim no los ua kom muaj zog nyeem ntawv. Nrog rau kev nce qib ntawm kev siv tshuab hluav taws xob, cov ntsuas hluav taws xob hluav taws xob tau maj mam hloov los ntawm cov ntsuas hluav taws xob ntse; Txawm li cas los xij, lawv cov hauv paus ntsiab lus ntawm kev khiav hauj lwm tseem yog lub hauv paus rau kev nkag siab txog kev ntsuas hluav taws xob niaj hnub. Nyob rau hauv niaj hnub ntse metering systems, Manganin Shunts tsim rau ib zaug xwb -theem latching relays tau pom dav daim ntawv thov nyob rau hauv lub teb ntawm tam sim no nrhiav tau thiab lub zog noj sampling, muab ruaj khov thiab meej tam sim no cov cim rau hluav taws xob ntsuas hluav taws xob.
Cov khoom siv hluav taws xob ib txwm siv hluav taws xob feem ntau suav nrog lub zog hluav taws xob, lub kauj tam sim no, lub tshuab hluav taws xob hloov pauv, cov hlau nplaum damping, thiab cov tshuab suav suav. Thaum ib qho alternating tam sim no ntws los ntawm cov coils, nws generates ib alternating magnetic teb nyob ib ncig ntawm lub magnetic ncej; daim teb no induces eddy tam sim no nyob rau saum npoo ntawm aluminium disc. Cov eddy tam sim no, nyob rau hauv lem, muaj ib tug Ampere quab yuam nyob rau hauv lub magnetic teb, yog li ua rau cov txhuas disc tig. Hauv cov khoom siv hluav taws xob niaj hnub ntsuas hluav taws xob, ntau lub ntsuas hluav taws xob shunt cov khoom hloov pauv cov qauv siv tshuab ib txwm muaj nrog siab -precision resistive sampling txoj kev, yog li ua tiav qhov tseeb dua hauv kev tshawb pom tam sim no.
Kev ua haujlwm ntawm lub tshuab hluav taws xob ntsuas hluav taws xob yog, hauv qhov tseem ceeb, zoo ib yam rau ib daim ntawv tshwj xeeb ntawm induction motor. Lub zog hluav taws xob thiab cov kauj tam sim no tsim cov hlau nplaum sib txawv ntawm cov theem sib txawv; cov teb no ua ke nyob rau hauv ob qho tib si qhov chaw thiab lub sij hawm los tsim ib tug tsiv magnetic teb, uas nyob rau hauv lem drives lub txhuas disc tig tsis tu ncua. Kev sib hloov ceev ntawm aluminium disc yog ncaj qha proportional rau lub zog load; los ntawm ib tug system ntawm mechanical gears, nws tsav lub txee rau sau tag nrho cov zog noj. Nyob rau hauv sib piv, nyob rau hauv niaj hnub ntse ntsuas, lub Relay Resistor Shunt tau tshwm sim raws li ib tug tseem ceeb core tivthaiv hloov ib txwm mechanical metering mechanisms, ua kom muaj kev ruaj khov tam sim no sampling.
Hauv cov tshuab hluav taws xob ntsuas hluav taws xob, qhov hluav taws xob hluav taws xob feem ntau muaj qhov siab inductance; Yog li ntawd, cov theem ntawm nws tam sim no lags qab ntawm qhov voltage los ntawm kwv yees li 90 degrees. Lub kauj tam sim no, hloov pauv, tseem nyob rau theem nrog cov khoom thauj tam sim no; Qhov no synchronization ua rau ob lub magnetic teb ua ke nyob rau hauv qhov chaw thiab lub sij hawm los tsim ib tug nyhuv akin rau ib tug rotating magnetic teb. Qhov kev txav sib nqus no ua rau cov eddy tam sim no nyob rau hauv aluminium disc, yog li tsim kom muaj kev tsav tsheb tsis tu ncua. Niaj hnub nimno hluav taws xob ntsuas hluav taws xob, txawm li cas los xij, nce siv Manganin-Copper Shunt thev naus laus zis, siv cov manganin precision- tooj liab resistors kom ua tiav siab- ntsuas qhov tseeb tam sim no thaum tshem tawm cov kev ua yuam kev hauv cov qauv siv tshuab ib txwm muaj.
Qhov saum npoo ntawm aluminium disc nyob rau hauv lub tshuab hluav taws xob ntsuas hluav taws xob feem ntau yog them nrog ntau qhov sib txawv me me dimples. Cov txheej txheem no tsis yog tsuas yog kho kom zoo nkauj xwb tab sis ua ib qho kev tsim tshwj xeeb tsim ua haujlwm. Cov dimples me me no pab txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhuam, nws, nws muaj qhov ua tau zoo ntawm cov txheej txheem ntawm cov txheej txheem. Yog hais tias lub disc tsis kam qis dhau, cov theem lag luam ntawm cov eddy tam sim no yuav nce, ua rau txo qis - dua li qhov nce - hauv kev tsav tsheb. Ib yam li ntawd, nyob rau hauv niaj hnub hluav taws xob ntsuas hluav taws xob, tooj liab-Manganin Shunt cov khoom xav tau kev tswj xyuas nruj ntawm cov khoom tiv thaiv kom ntseeg tau qhov ruaj khov thiab qhov tseeb ntawm kev ntsuas ntsuas.
Damping hlau nplaum nyob rau hauv lub tshuab hluav taws xob ntsuas hluav taws xob pab tswj kev sib hloov ceev ntawm aluminium disc. Raws li lub disc rotates, nws generates ntxiv eddy tam sim no nyob rau hauv lub magnetic teb ntawm damping hlau nplaum, tsim ib tug damping quab yuam uas tawm tsam cov kev taw qhia ntawm kev sib hloov. Thaum kawg, lub zog tsav tsheb thiab lub zog damping ncav cuag qhov sib npaug, tso cai rau cov txhuas disc kom muaj kev sib hloov ceev. Cov txheej txheem txheej txheem no ua kom ntseeg tau tias qhov ntsuas ntsuas tau raug cuam tshuam txog kev siv hluav taws xob tiag tiag. Nyob rau hauv cov ntsiab lus ntawm niaj hnub siab -tam sim no tswj systems, Shunt Terminal rau Sib Nqus Latching Relay (100A) feem ntau ua tiav cov haujlwm tseem ceeb ntawm siab - tam sim no nrhiav thiab tswj.
Nrog kev nce qib ntawm cov thev naus laus zis thev naus laus zis, cov ntsuas hluav taws xob hluav taws xob tau maj mam dhau los ua tus qauv tseem ceeb. Cov ntsuas hluav taws xob no ua cov ntsuas hluav taws xob los ntawm kev ntsuas tam sim no, ntsuas qhov ntsuas hluav taws xob, thiab cov khoom siv digital, muab cov txiaj ntsig zoo dua li cov tshuab ntsuas ib txwm muaj xws li qhov raug siab, siv hluav taws xob tsawg, thiab yooj yim ntawm kev sib koom ua ke. Tshwj xeeb, Energy Meter Shunts tau siv dav hauv cov ntsuas ntsuas ntse, cov cuab yeej saib xyuas hluav taws xob, thiab cov tshuab hluav taws xob muaj hluav taws xob, yog li ua haujlwm tseem ceeb ntawm cov tshuab ntsuas niaj hnub.
Yog koj xav kawm ntxiv txogSib nqus shunt rau latching relay, thov koj xav tiv tauj peb kom tau txais cov ntaub ntawv ntawm cov khoom lag luam thiab kev txhawb nqa kev daws teeb meem.
tiv tauj peb
