Internal resistance leh impedance nuances hriatthiam nan chuan impedance hi AC (alternating current) nen a inzawm tih hriat a pawimawh hle a, internal resistance erawh chu DC (direct current) nen a inzawm zawk thung. An context hrang hrang ni mahse an chhut dan hian formula inang, R=V/I a zawm a, chutah chuan R chu internal resistance emaw impedance emaw a ni a, V chu voltage a ni a, I chu current a ni.
Internal Resistance: Electron kal dan tur daltu
Internal resistance hi electron leh conductor-a ionic lattice inhnaih avanga lo awm a ni a, electrical energy chu heat-ah a chantir a ni. Internal resistance hi electron movement tikhawlo thei friction chi khat anga ngaih tur a ni. Resistive element hmanga alternating current a luang chhuak scenario-ah chuan voltage drop a siam thin. He drop hi current nen phase in a awm reng a, hei hian current flow leh internal resistance kan tawhte inzawmna dik tak a entir a ni.
Impedance: Internal Resistance huam chhunga ngaihdan zau zawk
Impedance hian electron flow dodalna chi hrang hrang huamtu term kimchang zawk a entir a ni. Hei hian internal resistance chauh ni lovin, reactance pawh a huam tel bawk. Circuit leh component zawng zawnga hmuh theih concept hmun tina awm a ni.
Reactance leh impedance hi thliar hran a pawimawh hle. Reactance hian a bik takin inductor leh capacitor-in AC current a dodalna a kawk a, battery chi hrang hranga element hrang hrang a awm a ni. Hetiang danglamna hi battery chi hrang hranga diagram hrang hrang leh electrical value characteristic hrang hrangah a lang chiang hle.
Impedance demystify tur chuan Randles model lam kan hawi thei ang. He model hi Figure 1-a kan hmuh hian R1, R2 te chu C bulah a inzawm khawm a, a bik takin R1 hian internal resistance a entir a, R2 erawh chu charge transfer resistance nen a inmil thung. Tin, C hian double-layer capacitor a kawk bawk. Hriat tur pawimawh tak chu Randles model hian inductive reactance a huam tel fo a, battery performance-a a nghawng dan, a bik takin frequency hniam zawkah chuan a tlem hle.
Figure 1: Lead acid battery hmanga siam Randles model
Internal Resistance leh Impedance te khaikhin dan
Fiah zawka sawi tur chuan internal resistance leh impedance chipchiar taka tehkhin dan chu a hnuaia mi ang hian tarlan a ni.
Electrical Property chungchanga aspect |
Chhungril lama invenna (R) . |
Impedance (Z) a ni. |
Circuit Dilna siam a ni |
Direct current (DC) hmanga hnathawk circuit-ah hman a ni ber. |
Alternating current (AC) atana siam circuit-ah hman a ni ber. |
Circuit-a awm a ni |
Alternating current (AC) leh direct current (DC) circuit-ah te pawh hmuh theih a ni. |
Alternating current (AC) circuit-ah chauh a awm a, DC-ah a awm lo. |
Chawrchhuahna |
Electric current kal dan tibuaitu element atanga lo chhuak a ni. |
Electric current do thei leh react thei element hrang hrang inzawmkhawm atanga lo chhuak a ni. |
Numerical Expression hmanga sawi chhuah |
Definitive real number hmanga sawi chhuah, entirnan, 5.3 ohms. |
Number tak tak leh imaginary component pahnih hmanga sawi chhuah, ‘R + ik’ hmanga entir a ni. |
Frequency a innghahna |
DC current frequency eng pawh nise a value chu a awm reng a ni. |
A value hi AC current frequency inthlak danglam dan azirin a inthlak danglam thin. |
Phase ziarang (Phase) ziarang |
Phase angle emaw magnitude attribute emaw a lantir lo. |
Phase angle leh magnitude chiang tak pahnih hmanga hriat theih. |
Electromagnetic Field-a awm dan |
Electromagnetic field-a a awm chuan power dissipation chauh a lantir. |
Power dissipation leh electromagnetic field-a energy dahkhawm theihna pahnih a lantir. |
Battery chhunga Resistance tehna dik tak
Backup battery enkawl leh enkawlna lama tui solution provider a nih angin, DFUN-in battery chhunga resistance tehna a ngaih pawimawhzia hi industry kalphung din tawh nen a inmil a, Fluke emaw Hioki ang chi device pawm lar tak takte aṭangin infuih tharna a la a ni. Heng devices ang chi methods hmang hian, an dikna leh customer-te pawm tamna avanga hriat lar, IEE1491-2012 leh IEE1188 ang chi standard kan zawm a ni.
IEE1491-2012 hian internal resistance hi dynamic parameter anga hriatthiamna kawngah min kaihruai a, baseline atanga deviation tehna atan tracking chhunzawm zel a ngai a ni. Hetihlai hian IEE1188 standard chuan action lakna tur threshold a siam a, internal resistance chu standard line 20% aia tam a nih chuan battery thlak emaw, deep cycle leh recharge emaw ngaihtuah tur a ni tih a fuih a ni.
Heng principle atanga kal ila, kan internal resistance tehna hmanruaah hian battery chu frequency leh current ruat saah dah a, chu chu voltage sampling a ni. A hnu lama processing, operational amplifier circuit hmanga rectification leh filtering te pawh hian internal resistance tehna dik tak a siam chhuak a ni. Mak tak maiin a chak a, he method hi a tlangpuiin millisecond 100 chhungin a tawp a, 1% atanga 2% thlenga accuracy range ropui tak a nei a ni.
Thutawp atan chuan, internal resistance measurement-a precision hian battery-te chu uluk taka enkawl a nih theih nan a pui a, hei hian an dam rei theih nan a pui a ni. He kaihhruaina hian internal resistance leh impedance thliar hran harsa ti thei turte tanpui a tum a, heng electrical property te hi nuanced taka hriatthiamna a siamsak a ni. Thu chiang zawk leh hriatthiamna tam zawk neih duh chuan, a atang hian resources dang i chhui thei ang DFUN Tech.
