Power battery nhyehyɛe a ɛma ɛyɛ pɛ no sohwɛ .
Sɛnea ɛbɛyɛ a tumi ne ahoɔden mu nsonsonoe a ɛwɔ nkwammoaa ankorankoro a ɛwɔ batere mu no bɛkari pɛ na ama ahoɔden a wɔde di dwuma wɔ batere no mu no atu mpɔn no, ɛho hia sɛ wɔyɛ pɛ wɔ ɔkwan a wɔfa so bɔ wɔn ho ban no mu. Sɛ wogyina sɛnea ɔmansin no di ahoɔden wɔ pɛyɛ nhyehyɛe no mu so a, wobetumi akyekyɛ mu akuw atitiriw abien: ahoɔden a wɔsɛe no su ne ahoɔden a ɛnyɛ{1}}akɔ a ɛkɔ so. Energy Dissipation type no ma ahoɔden a ɛboro so no sɛ ɔhyew, bere a ahoɔden a ɛnyɛ{3}}dissipation type no de ahoɔden a ɛboro so no kɔ batere afoforo mu anaasɛ ɛdannan no.
Ahoɔden a wɔsɛe no-Type equilibrium management .
Energy Dissipation-Type equalization circuits no nya equalization denam charging current a ɛnam parallel resistors so wɔ battery cells ankorankoro mu, sɛnea wɔakyerɛ wɔ Mfonini 8{3{3}}12 mu no. Saa circuit nhyehyɛe yi yɛ mmerɛw, na mpɛn pii no, wɔyɛ pɛyɛ nhyehyɛe no wie bere a wɔrebɔ charge no. Nanso, entumi nhyɛ tumi a ɛwɔ hɔ ma nkwaboaa ankorankoro-nkwaboaa no, na ɛde ahoɔden a wɔsɛe no ne adesoa a ɛkɔ soro wɔ ɔhyew sohwɛ nhyehyɛe no so ba. Mpɛn pii no, anyinam ahoɔden mfiri a ɛte sɛ anyinam ahoɔden a wɔsɛe no no gu akuw abien mu:
Ahoɔden a wɔsɛe no-Type anyinam ahoɔden mfiri no taa hwe ase wɔ akuw abien mu: nea edi kan no, daa shunt resistor equalization charging circuit, a shunt resistor yɛ bere nyinaa a ɛne battery cell biara di nsɛ. Saa kwan yi yɛ nea ɛda adi wɔ ahotoso a ɛkorɔn ne shunt resistor bo kɛse bi ho, na ɛtew nsonsonoe a ɛwɔ ankorankoro nkwammoaa ahoɔden mu esiane self-discharge through a fixed shunt nti. Nea enye wɔ ho ne sɛ shunt resistor no di tumi bere nyinaa wɔ bere a wɔde charge ne nea wɔde gu mu nyinaa, na ɛma ahoɔden hwere kɛse; Mpɛn pii no, ɛfata sɛ wɔde di dwuma wɔ baabi a wobetumi ahyɛ ahoɔden ma ntɛm ara.
Nea ɛto so abien, switch-ahwɛ shunt resistor equalization charging circuit, baabi a shunt resistor no yɛ nea switch na ɛhwɛ so. Wɔ charge mu no, sɛ battery voltage ankorankoro no du cutoff voltage no mu a, equalization device no siw overcharging ano na ɛdan ahoɔden a ɛboro so no ma ɛyɛ ɔhyew. Saa equalization circuit yi yɛ adwuma bere a charge na ebetumi atwe current no akɔ ankorankoro cells a ɛwɔ voltages a ɛkorɔn bere a charge no. Nea enye wɔ ho ne sɛ esiane sɛ bere a wɔde yɛ pɛ no sua nti, ɛsɛ sɛ ɔhyew kɛse a ɛba wɔ shunt mu no fi hɔ wɔ bere a ɛsɛ mu denam ɔhyew sohwɛ nhyehyɛe no so, a ɛda adi titiriw wɔ batere a ɛwɔ tumi akɛse mu.
Sɛ nhwɛsoɔ no, wɔ 10ah battery pack mu no, voltage difference a ɛyɛ 100mV no bɛtumi ama capacity difference a ɛboro 500mAh aba. Sɛ equalization bere no yɛ nnɔnhwerew 2 a, shunt current no yɛ 250mA, shunt resistance no bɛyɛ 14Ω, na ɔhyew a ɛba no bɛyɛ 2Wh.
non{0}}ahoɔden a wɔsɛe no ho ɔkwan a wɔfa so yɛ pɛyɛ ho nhyehyɛe .
Non{0}}Energy dissipation circuits no di ahoɔden a ɛba fam koraa sen ahoɔden a wɔsɛe no circuits, nanso wɔn circuit nhyehyɛe no yɛ nea ɛyɛ den kakra. Wobetumi akyekyɛ wɔn mu abien: ahoɔden nsakrae a ɛyɛ pɛ ne ahoɔden a wɔde kɔ baabi foforo a ɛyɛ pɛ.
Ahoɔden a wɔsakra no kari pɛ .
Energy Conversion Balancing de nsakrae nsɛnkyerɛnne di dwuma de hyɛ nkwammoaa ankorankoro ahoɔden a efi batere no nyinaa mu no ma anaasɛ ɛdan nkwammoaa ankorankoro ahoɔden san kɔ batere no nyinaa mu. Nsakraeɛ a ɛfiri nkwaboaa ahoɔden ankorankoro so kɔ ahoɔden nyinaa so no taa ba wɔ batere no mu ahoɔden a wɔde yɛ adwuma no mu, sɛdeɛ wɔakyerɛ wɔ Mfonini 8-13 mu no. Saa ɔmansin yi hu sɛnea nkwammoaa no mu biara yɛ den; Sɛ ankorankoro nkwammoaa bi ahoɔden du bo pɔtee bi ho a, module a ɛkari pɛ no fi ase yɛ adwuma. Ɛdane charging current a ɛwɔ ankorankoro cell no mu no ma ɛtew charging voltage no so, na current a wɔadan no no dannan no module no so na ɛsan kɔ charging bus no mu, na ɛma ɛkari pɛ. Energy conversion balancing akwan bi nso betumi de freewheeling inductors adi dwuma de awie ahoɔden nsakrae a efi nkwammoaa ankorankoro so kɔ batere no so.
Circuit a wɔde dannan ahoɔden a ɛwɔ battery no nyinaa mu kɔ nkwammoaa mmiako mmiako mu no wɔakyerɛ wɔ Mfonini 8-14 mu. Wɔsan frɛ saa kwan yi sɛ ɛkari pɛ. Wɔ charge nhyehyɛe no mu no, main charging module no di kan charge battery pack no, bere a voltage detection circuit no hwɛ ankorankoro cell biara so. Sɛ voltage a ɛwɔ ankorankoro cell biara mu no yɛ kɛse dodo a, charging circuit titiriw no dum, na afei supplementary balancing charging module no fi ase charge battery pack no. Ɛdenam nhyehyɛe a wɔayɛ no yiye so no, wɔde charging voltage a ɛwɔ balancing module no mu no di dwuma wɔ ankorankoro cell biara so denam DC/DC converter a ɛde ne ho ne coaxial coil transformer so, na ɛde secondary winding a ɛyɛ pɛ ka ho. Eyi hwɛ hu sɛ nkwammoaa a ɛwɔ ahoɔden a ɛkorɔn no nya ahoɔden a ɛba fam fi aboafo a wɔde charging circuit no mu, bere a nkwammoaa a ɛwɔ ahoɔden a ɛba fam no nya ahoɔden pii, na ɛnam so ma ɛkari pɛ. Ɔhaw a ɛwɔ saa kwan yi so ne sɛ ɛyɛ den sɛ wobedi winding a ɛto so abien no so. Wɔ dannan a ɛyɛ pɛ mpo mu no, sɛ yesusuw transformer leakage inductance ne mutual inductance a ɛda secondary windings ntam ho a, ebia nkwammoaa ankorankoro rennya charging voltage koro no ara. Bio nso, coaxial coil no nso nya ahoɔden a wɔsɛe no bi, na saa ɔkwan a wɔfa so kari pɛ yi di sɛnea ɛkari pɛ no ho dwuma nkutoo, na entumi nni nneɛma a ɛnkari pɛ wɔ tebea a ɛma obi fi nsu mu no ho dwuma.
Ahoɔden a wɔde kɔ baabi foforo kari pɛ .
Energy transfer balancing de ahoɔden akoraeɛ nneɛma te sɛ inductors anaa capacitors di dwuma de fa charge firi soro-capacity ankorankoro cells kɔ fam-tumi nkwammoaa a ɛwɔ battery pack mu, sɛdeɛ wɔakyerɛ wɔ Mfonini 8-15 mu no. Saa ɔmansin yi de ahoɔden kɔ nkwammoaa a ɛbɛn no ntam denam capacitors a ɛsesa so, de ahoɔden fi soro-voltage kɔ fam-voltage cells ma etumi kari pɛ. Sɛnea ɛbɛyɛ foforo no, wobetumi de inductive energy storage ayɛ ahoɔden a ɛkɔ nkwammoaa a ɛbɛn no ntam. Saa circuit yi wɔ ahoɔden a ɛyera koraa, nanso ɛhia sɛ wɔde kɔ baabi foforɔ mpɛn pii wɔ kari pɛ mu, na ɛde kari pɛ berɛ tenten ba na ɛma ɛnyɛ nea ɛfata ma multi-nkwaboaa batere packs. Capacitor-Switching balancing kwan a ɛkɔ anim no betumi ama kari pɛ ahoɔhare no akɔ soro denam-voltage ne voltage ankorankoro a ɛba fam sen biara a wɔbɛpaw ama ahoɔden a wɔde bɛkɔ baabi foforo no so. Nanso, ahoɔden ho gyinaesi ne switching circuit no a wɔde bedi dwuma wɔ ahoɔden a wɔde kari pɛ mu no yɛ den kakra.
Sɛ atifi hɔ kari a wɔkari pɛ no da nkyɛn a, wobetumi de trickle charging nso adi dwuma de ayɛ battery a ɛkari pɛ bere a wɔde charging di dwuma no. Eyi ne ɔkwan a ɛyɛ mmerɛw sen biara na enhia abɔnten so aboafo biara. Ɛhwehwɛ sɛ ɛkɔ so charge series-nkitahodi battery pack ne current ketewa bi. Esiane sɛ charging current no sua koraa nti, charge a ɛboro so no nni nkɛntɛnso kɛse biara wɔ battery a ɛwɔ ahoɔden koraa so. Esiane sɛ batere a ɛwɔ ahoɔden a ɛho hia no ntumi nsakra anyinam ahoɔden pii nkɔ nnuru ahoɔden mu nti, ahoɔden a ɛboro so no bɛdan ɔhyew. Nanso, batere a wɔmfa nhyɛ mu koraa no betumi akɔ so anya anyinam ahoɔden kosi sɛ ebedu ahoɔden a edi mũ. Wɔ saa kwan yi so no, wɔ bere tenten bi akyi no, batere nyinaa bedu ahoɔden a edi mũ ho, na ɛnam so ama tumi a wɔde bɛyɛ pɛ no ayɛ pɛ. Nanso, saa kwan yi hwehwɛ sɛ wɔde bere tenten paa yɛ pɛyɛ charge na egye ahoɔden kɛse na ama wɔanya pɛyɛ. Bio nso, saa kwan yi ntumi nyɛ adwuma wɔ discharge equalization a wɔhwɛ so no mu.
Ɔhaw ahorow a ɛwɔ application mu .
Battery balancing solutions a ɛwɔ hɔ dada no titiriw na ɛkyerɛ battery ahoɔden a egyina battery pack no voltage-ahoɔden a ɛwɔ ahoɔden so{1}}gyina so balancing kwan so. Sɛnea ɛbɛyɛ a wobenya battery pack kari pɛ, pɛpɛɛpɛ a ɛkorɔn ne pɛpɛɛpɛ wɔ voltage detection mu no ho hia kɛse. Leakage current a ɛwɔ voltage detection circuit no mu no nya battery pack no a ɛyɛ pɛpɛɛpɛ no so nkɛntɛnso tẽẽ. Enti, sɛ wɔyɛ voltage detection circuit a ɛnyɛ den na ɛyɛ adwuma yiye a, ɛyɛ asɛnnennen titiriw ma circuit ahorow a wɔkari pɛ. Bio nso, ɛnyɛ voltage nkutoo na wɔde susuw batere no tumi. Internal resistance ne contact resistance wɔ connection kwan no so nso de voltage variation ba. Enti, sɛ wode wo ho to voltage so nkutoo ma ɛkari pɛ a, ebetumi ama woaboro-ɛkari pɛ na woasɛe ahoɔden. Wɔ tebea horow a emu yɛ den mu no, ebetumi mpo ama battery no nkari pɛ, ɛmfa ho sɛ mfiase no tumi kari pɛ no.
Energy dissipation circuits yɛ mmerɛw wɔ nhyehyɛe mu, nanso balancing resistors no di ahoɔden wɔ mprempren shunting mu na ɛma ɔhyew ba, na ɛde ɔhyew sohwɛ ho nsɛm ba. Esiane sɛ ne titiriw no wɔto ahoɔden a ɛkɔ soro dodo anaasɛ ɛba fam a ɛba fam wɔ nkwammoaa ankorankoro mu no ano hye denam ahoɔden a wɔsɛe no so nti, ɛfata ma static balancing nkutoo. Wɔn-temperature rise no ma nhyehyɛe mu ahotoso so tew, na ɛma ɛnyɛ nea ɛfata sɛ wɔkari pɛ a ɛyɛ nnam. Saa kwan yi fata ma nketewa anaa nea ɛba fam-capacity battery packs nkutoo.
Energy transfer circuits yɛ ɔkwan a wɔfa so tua battery capacity compensation, baabi a{0}}capacity battery a ɛkorɔn no boa ahoɔden bi de tua-capacity battery a ɛba fam no so ka. Bere a ɛbɛyɛ yiye no, saa kwan yi yɛ nea ɛyɛ den, ɛyɛ kɛse, na ɛho ka yɛ den esiane hia a ehia sɛ wɔhwɛ nkwammoaa ankorankoro a ɛwɔ ɔmansin no mu ankasa no so nti. Bio nso, ahoɔden a wɔde kɔ baabi foforo no nam ahoɔden a wɔkora so so na ɛba, a ɛde ahoɔden a wɔde di dwuma ne nsɛm a wɔde di dwuma ho nsɛm ba. Wɔtaa de saa ɔkwan a ɛkari pɛ yi di dwuma wɔ batere a ɛwɔ mfinimfini kosi akɛse mu.
Nanso, ahoɔden a wɔsakra no kwan so no de tumi a wɔde sesa nneɛma di dwuma na ama wɔanya ahoɔden nsakrae. Sɛ wɔde toto energy transfer circuits ho a, ɛnyɛ den koraa na ne bo nyɛ den. Nanso, wɔ coaxial coils ho no, nhama a ɛka nhama no bom ne nkwammoaa biara no tenten ne ne nsusuwii ahorow no ma nsakrae nsusuwii ahorow ba, na ɛma nkwammoaa biara kari pɛ a ɛnyɛ pɛpɛɛpɛ na ɛde mfomso a ɛkari pɛ ba. Bio nso, coaxial coil no ankasa di ahoɔden esiane electromagnetic leakage ne nsɛm afoforo nti.
