Power system-a energy hman zat tehna atana hmanraw pawimawh ber a nih angin electric meter hi kawng hrang hrangin category hrang hrangah then a ni a, hei hian technological evolution leh application scenario hrang hrang mamawh ang zela insiamremna a lantir a ni. Mechanical atanga intelligent thlengin electricity meter classification standard hian dimension hrang hrang a huam a, chung zingah chuan operating principle, purpose, installation method, leh data transmission theihna te pawh a tel. A hnuaia tarlan te hian electric meter chi hrang hrang leh an mizia te chu systematic takin a rawn tarlang a ni.
Operating Principle hmanga thliar hranna
1. Mechanical Meter (Induction Meter) hmanga siam chhuah a ni.
Mechanical meter hi electric metering hmanraw hmasa ber a ni a, electromagnetic induction principle hmanga thawk a ni. Current leh voltage coil atanga magnetic field lo chhuak hian aluminium disk chu a inher tir a, a rotational speed chu power consumption nen a inzat a ni. He rotational speed hi a tawpah chuan gear train hmangin digital dial a lantir thin. Hetiang meter chi hi a awlsam a, man tlawm-as a nih laiin, a dikna hniam zawk leh hla tak atanga data thawn chhuah theih lohna a tuar a ni. Chuvangin, zawi zawiin electronic meter hmanga thlak a ni ta a ni.
2. Electronic Meter hmanga siam a ni
Electronic meter hian electronic circuit (analog-to-digital converter leh microprocessor ang chi) hmangin energy hman zat direct-in a chhut a, digital display-ah data chu a entir a ni. Mechanical meter nena khaikhin chuan accuracy sang zawk (0.2S level thleng), anti-interference ability chak zawk, leh support time-of-use billing leh function dangte an nei sang zawk. Tunah hian in leh industry meter chi hrang hrang mainstream type an ni.
3. Smart meters hmanga siam
Smart meter hi electronic meter atanga upgraded version a ni. Anni hian communication module (LoRa, NB-IoT emaw power line carrier ang chi) te chu an inzawm khawm a, chu chuan remote automatic meter reading, real-time monitoring leh two{3}}way interaction te a ti thei a ni. User-te chuan mobile phone app hmangin electric hman dan data an en thei a, power grid company-te pawhin power supply strategy chu dynamically-in an siamrem thei bawk. Smart grids-a thil pawimawh tak tak an ni.
Hman dan azira thliar hranna
1. Single-phase meter
In emaw sumdawnna hmun tenauah emaw single-phase AC power tehna atan hman thin. 220V voltage environment-a hman tlanglawn tak, tehna range chu 5 (60) A emaw 10 (40) A emaw a ni tlangpui a, general lighting, home appliances, etc.-a load mamawh phuhruk a ni.
2. Phase meter pathum-
Industrial emaw sumdawnna lian tak tak hmangtute tan duan a ni a, 380V three-phase power system atan a tha a, chi hnih ah then a ni: three-phase three-wire (neutral wire nei lo) leh three-phase four-wire (neutral wire nei). High-precision model hian high-power motor, transformer leh hmanraw dangte energy hman zat a teh thei a, model thenkhat chuan harmonic analysis an thlawp bawk.
3. Prepaid Meter hman tur
Electronic technology leh IC card emaw remote payment system hmanga inzawmkhawmin, electric hman hmain an account an top up hmasa phawt a ngai a ni. Balance a tlem chuan automatic power shut-off hian he meter hi centralized property management emaw rental scenario emaw atan a tha hle a, a takin bill pek loh hlauhawmna chu a pumpelh thei a ni.
Installation Method hmanga thliar hranna
1. Direct-Meter inzawm tir rawh
Current line hi load nen direct-a inzawm a ni a, current hniam application (a tlangpuiin<=100A) atan a tha hle. Hetiang structure awlsam tak hian current sang tak tan chuan current transformer a mamawh a ni.
2. Transformer-Meter inzawmkhawm
Current transformer (CT) leh voltage transformer (PT) hmanga high-voltage emaw high{1}}current circuit (substation ang chi) nena inzawm. Meter hian low-power signal chauh a process a, hei hian himna leh tehna range tihzauh theih a tichiang a ni.
Data Transmission Method hmanga thliar hranna
1. Tualchhung Meter
Communication functionality a tlachham a, manual on-site meter reading a mamawh bawk. Hetiang hmanraw hi a hlawk lo hle a, mahse a man tlawm-a hlawk hle a, chenna hmun hlui zawkah pawh hmuh tur a awm tlangpui.
2. Hmun hla tak atanga inbiakpawhna Electric Meter
Data wireless (GPRS/4G/5G), wired (RS-485), emaw power line carrier (PLC) hmanga thawn chhuah hian grid automation leh management a pui a, smart grids lungphum a siam a ni.
Tawpna
Electric meter hrang hrangte thliar hranna hian technology lama hmasawnnain energy management-a nghawng thui tak a neih dan a tarlang a ni. Mechanical gear atanga IoT communication thlengin electric meter hian metering function a ti mai bakah smart grids, distributed energy resources, leh carbon neutrality-a key node a lo ni ta a ni. Nakin lawkah chuan photovoltaic energy storage leh electric lirthei hman a nih tak avangin electric meter te chu multi-energy integration leh edge computing lam hawiin a lo thang chho zel dawn a, khawvel pum huapa digital transformation of energy tanpuina a pe dawn a ni.