Battery a ahoɔden kɛse wom a wɔde sie ahoɔden no ma ɛka bi so tew bere a ɛma afoforo kɔ soro no. Nhyehyɛe ahorow no brɛ ɛka so tew denam adwumayɛ a ɛkɔ anim, nhama a wɔhwehwɛ a ɛso tew, ne nkwa nna a ɛkyɛ so, nanso ɛhwehwɛ sɛ wɔde sika pii di kan hyɛ mu ma batere nhyehyɛe a ɛkɔ anim ne ahobammɔ afã horow.
Mfaso a Ɛwɔ Efficiency Ahoɔden a Wɔde Sie a Ɛwɔ High Voltage So
Voltage nhyehyɛe a ɛkorɔn sesa sɛnea ahoɔden fa nneɛma a wɔkora so nhyehyɛe mu no titiriw. Abusuabɔ a ɛda tumi, ahoɔden, ne anyinam ahoɔden ntam no kyerɛ sɛ ahoɔden a wɔde yɛ adwuma no mmɔho abien no twa ahoɔden no mu fã ma ahoɔden a efi mu ba koro no ara. Mprempren a ɛba fam no kyerɛ ase tẽẽ kɔ resistive losses a ɛso tew wɔ conductors ne connections mu.
Nnansa yi susuw a wɔde susuw sɛnea nneɛma yɛ adwuma yiye no kyerɛ mfaso yi wɔ nneyɛe mu. High voltage nhyehyɛe a ɛyɛ adwuma boro 400V no nya round-trip efficiency bɛyɛ 90%, sɛ wɔde toto 85% ma standard 48V configurations. Wɔ ofie ahoɔden a wɔkora so nhyehyɛe a ɛde sakre 8 kWh da biara da no, saa 5% a ɛyɛ adwuma yie yi ma ɛkora bɛyɛ kWh 146 afe biara. Sɛ wɔde toto utility installations a ɛyɛ megawatt- nnɔnhwerew ho adwuma a, saa ɔha biara mu nsonsonoe yi yɛ kɛse ma ɛyɛ adwumayɛ mu sikakorabea kɛse.
Nsakrae nhyehyɛe no ankasa bɛyɛ nea ɛyɛ mmerɛw kɛse. Batere a ɛwɔ ahoɔden a ɛba fam hwehwɛ sɛ inverters brɛ DC ahoɔden a ɛfiri owia panels mu no ase-taa yɛ 360-500V-na ama 48V battery bank no ahyia. Saa voltage nsakrae yi sɛe ahoɔden sɛ ɔhyew. Batere a ahoɔden kɛse yɛ adwuma bɛn inverter no abɔde mu ahoɔden kwan, na ɛtew anaasɛ eyi nsakrae a ɛba fam a wɔhwere no fi hɔ.
Nneɛma a Wɔde Yɛ Adwuma Ho Ka a Wɔtew So
Mprempren-soa ahwehwɛde ahorow no hyehyɛ nhyehyɛe no ka wɔ akwan horow so a ɛnyɛ nea ɛda adi ntɛm ara. Battery a ɛwɔ ahoɔden kɛseɛ a wɔde sie a ɛyɛ adwuma wɔ 400-600V tumi de nhama a ɛwɔ cross-sectional area ketewa 30-50% sene low voltage installations a ɛne no sɛ. Wɔ 10 kWh atrae nhyehyɛe ho no, eyi kyerɛ ase sɛ $200-400 wɔ kɔbere ho ka a wɔatew so. Aguadi mu nneɛma a wɔde si hɔ no hu sika a wɔkora so kɛse sɛnea ɛfata.
Wɔ conductors no ankasa akyi no, infrastructure a wɔboa no so tew. Circuit breakers, fuses, ne disconnect switches scale ne mprempren tumi. 48V nhyehyɛe a ɛde 5 kW ma no twetwe bɛboro amps 100, na ɛhwehwɛ nneɛma a emu yɛ duru-adwuma. Tumi koro no ara a ɛwɔ 400V no hwehwɛ amps 12.5 pɛ, na ɛma wotumi de ahobammɔ mfiri a emu yɛ hare na ne bo nyɛ den.
Installation adwumayɛfo nso so tew. Ɛnyɛ den sɛ wɔbɛfa nhama a ɛyɛ tratraa so afa nsu kwan mu na enhia sɛ wɔde honam fam baabi kakraa bi na ɛwɔ nnwinnade a wɔabɔ ho ban mu. Ebinom a wɔde installers bɔ amanneɛ sɛ 15-20% ntɛmntɛm installation bere ma high voltage systems sɛ wɔde toto parallel low voltage banks a ɛyɛ pɛ tumi.
Nokwasɛm a Ɛfa Sika a Wɔde Toto Ho Adi Kan no
Saa mfaso horow a ɛwɔ adwumayɛ mu yi de ɛka a wɔbɔ wɔ mfiase no a ɛkɔ soro ba. Ɛsɛ sɛ batere a ɛwɔ ahoɔden kɛse sohwɛ nhyehyɛe ahorow hwɛ na ɛkari pɛ wɔ nkwammoaa a ɛwɔ nhama a ɛtoatoa so no so, na ɛde nsɛnnennen a ahoɔden a ɛba fam a ɛne ne ho di nsɛ nhyehyɛe ahorow kwati ba. BMS a wɔde yɛ 400V nhyehyɛe no taa bo yɛ $800-1,200 sen 48V a ɛne no sɛ.
Ahobanbɔ ho ahwehwɛde kɔ soro sen 60V DC, a anyinam ahoɔden mmara dodow no ara bu no sɛ ɛyɛ ahwehwɛde ma ahoɔden a ɛyɛ hu. Nneɛma a wɔde afrafra a ahoɔden kɛse wom hia sɛ wɔma nneɛma a ɛbɔ ho ban, hyehyɛ nhyehyɛe a ɛfata a wɔde besi asase so, ne ahobammɔ a wɔde hyɛ mu. Adwumayɛfo a wɔde nneɛma besisi hɔ no bɛyɛ ahyɛde sen sɛ wɔde bɛhyɛ nea wɔpɛ, na ɛde $1,500-3,000 ka adan a wɔbɛtra mu ho.
Batere ahorow no ankasa hyɛ sɛ wɔmfa bo a ɛyɛ fɛ mma. Mprempren gua so nsɛm kyerɛ sɛ ahoɔden a ɛkorɔn nhyehyɛe a efi $450-600 wɔ kWh biara mu, bere a 48V nneɛma a ɛho akokwaw tɔn $250-350 wɔ kWh biara mu. Wɔ 10 kWh nhyehyɛe ho no, eyi gyina hɔ ma $2,000-2,500 bo a ɛsono bere a wɔretɔ no.
Nkwa Nna Ho Sikasɛm
Battery sɛe nhyehyɛe ahorow no fa ahoɔden a ɛkorɔn nhyehyɛe ahorow ho sen bere tenten. Charge-discharge curves a ɛyɛ mmerɛw a ɛyɛ series cell nhyehyɛe su no brɛ adwennwen a ɛwɔ nkwammoaa ankorankoro so no ase. Ɔhyew awo ntoatoaso so tew bere a mprempren nsu a ɛsen no sua no, na batere no nyin ntɛmntɛm bere a ɔhyew a ɛwɔ mu no.
Field data a ɛfiri atenaeɛ mu nneɛma a wɔde si hɔ no kyerɛ sɛ battery a ɛwɔ ahoɔden kɛseɛ a wɔde sie ahoɔden a wɔde lithium iron phosphate di dwuma no kura tumi 80% mu wɔ 6,000-8,000 kyinhyia akyi, sɛ wɔde toto 4,000-5,000 kyinhyia ho ma ahoɔden a ɛba fam nhyehyɛɛ a ɛne no sɛ. Sɛ yɛkyerɛ eyi ase kɔ adwumayɛ nkwa nna mu a, ɛsɛ sɛ ahoɔden a ɛkorɔn nhyehyɛe a ɛyɛ kyinhyia biako da biara da yɛ adwuma yiye mfe 16-22 kyerɛ mfe 11-14 ma ahoɔden a ɛba fam akwan foforo.
Saa nsonsonoe a ɛwɔ nkwa tenten mu yi sesa ɛka a wɔbɔ wɔ owurayɛ ho akontaabu ho nyinaa. Bere a ahoɔden a ɛkorɔn nhyehyɛe no bo yɛ dɔla 2,000-2,500 kɛse mfiase no, sɛ wɔkwati sɛ wɔbɛsesa batere biako wɔ nhyehyɛe no nkwa nna mu a, ɛmma wontua dɔla 4,000-6,000 wɔ daakye ka mu. Adwumayɛ bere a wɔatrɛw mu no nso nya mfaso kɛse fi sika a wɔde hyɛɛ mu mfiase no mu.
High Voltage Battery Storage: Scale ho hia kɛse
Ɛka a wɔbɔ no sesa kɛse bere a nhyehyɛe no kɛse te no. Atenaeɛ a wɔde si hɔ a ɛyɛ 10-15 kWh hu sika a wɔkora soɔ a ɛsua firi ahoɔden a ɛkorɔn nhyehyɛɛ mu, mpɛn pii no ɛgye mfeɛ 5-7 na wɔasan anya sika a wɔtua no denam mfasoɔ a ɛwɔ adwumayɛ mu ne nkwa nna a ɛtrɛ so. Botae ho ɔkasamu no mu yɛ den kɛse wɔ aguadi ne mfaso a wɔde di dwuma mu.
1 MWh aguadi nhyehyɛe a wɔde ahoɔden a ɛkorɔn architecture di dwuma no ma ɛkora bɛyɛ $50,000-80,000 so wɔ nhama ne anyinam ahoɔden nhyehyɛe mu sɛ wɔde toto ahoɔden a ɛba fam nhyehyɛe ho a. Nkɔsoɔ a ɛba wɔ adwumayɛ mu no ma ahoɔden foforɔ a wɔtumi de di dwuma 50-75 MWh afe biara. Sɛ wɔkyekyem pɛpɛɛpɛ a, anyinam ahoɔden a wɔde di gua a ɛyɛ $0.12-0.15 wɔ kWh biara mu a, eyi gyina hɔ ma $6,000-11,000 wɔ afe afe sika a wɔkora so.
Utility-scale projects a ɛyɛ adwuma wɔ multi-megawatt range mu no hu mfasoɔ a ɛda adi kɛseɛ mpo. 100 MWh grid storage facility a wɔde 1,000V+ systems di dwuma no betumi atew balance-of-system ka so 20-25% sɛ wɔde toto 48V nhyehyeɛ ho a. Sɛ nnwuma a ɛte sɛɛ kyerɛw pɛnsere a, nsonsonoe a ɛwɔ ɔha biara mu no kyerɛ ɔpepem pii wɔ sika kɛse a wɔde sie mu.
Adwumayɛ ho Ka a Ahintaw
Ahwehwɛde ahorow a ɛfa nsiesie ho no de ɛka a ɛkɔ so a ɛsono sɛnea voltage architecture te ba. High voltage nhyehyɛe ahorow ma ɔhyew a ɛba fam, ɛtew onwini ho ka so na ɛma ɔhyew-nneɛma a ɛyɛ mmerɛw no nkwa nna trɛw. Nanso, mfiridwumayɛfo a wɔfata hyɛ sɛ wɔmfa sika a ɛkɔ soro mma adwuma a wɔyɛ wɔ mfiri a ahoɔden kɛse wom ho, na nnwinnade titiriw a wɔde hwehwɛ yare no de ka ka a wɔbɔ wɔ nsiesie ho no ho.
Monitoring ne management software taa gye $300-800 afe biara ma high voltage nhyehyɛe a ɛyɛ pɛpɛɛpɛ, sɛ wɔde toto $100-300 ma low voltage nhyehyɛe a ɛnyɛ den. Granular cell-level data a wɔde ama no ma saa premium yi fata wɔ application ahorow a adwumayɛ a wɔbɛma ayɛ kɛse ho hia wɔ sikasɛm mu.
Ɛtɔ mmere bi a, insurance ho nsusuwii fa ahoɔden a ɛkorɔn nhyehyɛe ahorow ho esiane ahobammɔ ho nneɛma a ɛkɔ anim ne sɛnea wɔhwɛ so nti, ɛwom sɛ eyi gu ahorow wɔ tumidi ne insurance adwumakuw no mu de. Aguadi nhyehyɛe ahorow bi bɔ amanneɛ sɛ insurance sika a ɛba fam 5-10% ma nhyehyɛe ahorow a wɔagye atom sɛ ɛhyɛ ahobammɔ a ɛkorɔn so.
Modularity Aguadi-Off
Batere a ɛwɔ ahoɔden a ɛba fam no di mu wɔ ntrɛwmu a ɛkɔ soro mu. Tumi a wɔde bɛka ho no hwehwɛ sɛ wɔde hama foforo a ɛne ne ho di nsɛ bɛka ho ara kwa, mpɛn pii no ɛyɛ adeyɛ a ɛyɛ tẽẽ a afiewuranom betumi adi ho dwuma. High voltage nhyehyɛe ahorow hwehwɛ sɛ wɔyɛ mfiridwuma a wɔde ahwɛyiye kɛse yɛ bere a wɔretrɛw mu no, efisɛ sɛ wɔde series tumi ka ho a, ɛka voltage dodow a ɛwɔ nhyehyɛe no nyinaa mu.
Saa nsonsonoe yi ho hia ma wɔn a wɔde di dwuma a wonni ahotoso wɔ daakye ahiade ahorow ho. Ofie wura a ofi ase de kWh 10 betumi apɛ sɛ onya kWh 20 akyiri yi. Low voltage nhyehyɛe ahorow no gye eyi denam modular a wɔde ka ho so. Mpɛn pii no, ahoɔden a ɛkorɔn nhyehyɛe ahorow no hwehwɛ sɛ wɔyɛ nhyehyɛe ma tumi a wɔhwɛ kwan kɛse fi mfiase, sɛ mpo ɛnyɛ module ahorow no nyinaa na wɔtɔ mfiase no a.
Wɔ aguadi dwumadie a wɔde asi hɔ a ɛwɔ ahoɔden a wɔhwehwɛ a wɔakyerɛkyerɛ mu yie -no, saa anohyetoɔ yi ho nhia pii. Adekoradan a ɛwɔ adesoa profiles a wotumi hyɛ ho nkɔm betumi ayɛ kɛse a ɛkorɔn voltage nhyehyɛe pɛpɛɛpɛ fi deployment, kwati modularity premium.
Mprempren Guadi mu Nkɔso
Battery ka so atew kɛse wɔ nnansa yi mfe mu, na ɛsakra ɛka-tew ho akontaabu no titiriw. BloombergNEF data kyerɛ sɛ sɛ wɔkyekyɛ mu a, ahoɔden a wɔkora so nhyehyɛeɛ boɔ kɔɔ fam 40% firi afe 2023 kɔsi afe 2024, na ɛduruu $165 wɔ kWh biara mu ma turnkey nhyehyɛeɛ. Nneɛma a ɛso tewee kɛse no daa adi wɔ gua ahorow a nneɛma a wɔyɛ no kɛse wom so, titiriw China, baabi a nneɛma bo kɔɔ fam sen dɔla 100 wɔ kWh biara mu.
Saa ɛka a wɔtew so ntɛmntɛm yi ka nhyehyɛe ahorow a ɛwɔ ahoɔden kɛse efisɛ wɔn sika a wɔbɔ sen ahoɔden a ɛba fam a wɔpaw no da so ara yɛ nea ɛkɔ so daa wɔ nsɛm a edi mũ mu bere a ɔha biara mu nsonsonoe no trɛw no. $200 a wɔbɔ wɔ kWh biara ho no gyinaa hɔ maa ɛka foforo 50% bere a wɔtɔn batere gye $400 wɔ kWh biara ho, nanso ɛboro 100% a ɛboro so wɔ mprempren $165 wɔ kWh biara bo mu.
Nnwumayɛfoɔ nsusuiɛ kyerɛ sɛ ɛka a wɔbɔ no bɛkɔ so akɔ fam akosi afe 2030, a lithium-ion nhyehyɛeɛ no bɛtumi adu $80-100 wɔ kWh biara mu. Bere a mfitiaseɛ ka a ɛwɔ fam no rebɛn premium a wɔde ma wɔ high voltage features ho no, ɔha mu nkyekyɛmu mu nsonsonoeɛ no bɛtumi agyina anaasɛ mpo akɔ fam sɛ high voltage manufacturing nya sikasɛm mu nkɔsoɔ a ɛte saa ara a.
Dwumadie-Mmuaeɛ Pɔtee
Residential solar-plus-storage gyina hɔ ma dwumadie a ɛyɛ nea emu nna hɔ sen biara. Nneɛma a ɛyɛ adwuma yiye ne nkwa tenten a ɛwɔ ahoɔden a ɛkorɔn nhyehyɛe mu no ne ɛka a ɛba fam a wɔbɔ ansa na wɔayɛ ne DIY-adamfofa su a ɛwɔ 48V akwan foforo so no di akan. Wɔ afiewuranom a wɔreyɛ nhyehyɛe sɛ wɔbɛtra wɔn afie mu 10+ mfe na wɔde owia ahoɔden a wɔde di dwuma kɛse-di dwuma no fam no, batere a ahoɔden kɛse wom a wɔde sie ahoɔden no taa de pɛnsere fi mu yiye. Wɔn a wɔhwehwɛ sɛ wɔbɛbɔ ka a ɛba fam koraa anaasɛ wɔbɛma wɔayɛ nsakrae kɛse wɔ instɔlehyɛn mu no taa paw ahoɔden a ɛba fam.
Aguadi mu dwumadie a anyinam ahoɔden ho ka yɛ den no hu mfasoɔ a ɛda adi pefee. Nnwumakuw a wotua $0.15-0.25 wɔ kWh biara mu na wɔde 50+ kWh a wɔde sie no di dwuma no taa nya ahoɔden a ɛkorɔn a wɔbɔ wɔ mfe 3-5 mu denam mfaso a wonya fi adwumayɛ mu yiyedi ne ahwehwɛde ho ka a wɔtew so. Ahwehwɛde a ɛfa adwumayɛfo a wɔde si hɔ no ho nhia pii efisɛ aguadi adwuma ahorow ntaa mfa DIY a wɔde besisi hɔ ho a ahoɔden a ɛwɔ mu mfa ho.
Ɛkame ayɛ sɛ utility ne grid-scale projects wɔ amansan nyinaa mu gye high voltage architectures. Wɔ multi-megawatt nsenia so no, infrastructure ho ka a wɔkora so no di gyinaesi no so. Nnwuma a ɛwɔ saa ɔfa yi mu de ahoɔden a ɛyɛ 1,000V anaa nea ɛboro saa di dwuma, mpɛn pii no ɛkɔ soro kodu ahoɔden a ɛwɔ mfinimfini (12-35 kV) ma grid nkitahodi. Nkɔsoɔ a ɛba wɔ adwumayɛ mu wɔ saa nsenia yi so no bɛtumi aboro 5-7% sɛ wɔde toto hypothetical low voltage implementations ho a.
Mfiridwuma mu Nneɛma a Ɛreba
Solid-state battery a mprempren wɔreyɛ no hyɛ bɔ sɛ ahoɔden a ɛkɔ soro ne ahobammɔ a ɛkɔ anim, a ebetumi atew ahobammɔ-fata ɛka a wɔbɔ wɔ high voltage nhyehyɛe ahorow ho no so. Saa batere yi yɛ adwuma wɔ ahoɔden a ɛkorɔn mu wɔ abɔde mu, a ebetumi ama ahoɔden a ɛkorɔn ayɛ default architecture mmom sen sɛ ɛbɛyɛ premium option.
Battery nhyehyɛe a ɛkɔ anim a wɔde AI-driven optimization di dwuma no retew adwumayɛ mu nsonsonoe a ɛda voltage nhyehyɛe ahorow ntam no so. Mfiri adesua algorithms betumi ayi tumi ne nkwa pii afi low voltage parallel banks mu, ɛwom sɛ anyinam ahoɔden mu mfaso atitiriw a ɛwɔ ahoɔden kɛse so no da so ara wɔ hɔ de.
Nsakrae a ɛba fi nickel manganese cobalt so kɔ lithium iron phosphate nnuruyɛ mu wɔ stationary storage mu no ka voltage equation no. LFP nkwammoaa wɔ nominal voltage a ɛba fam (3.2V versus 3.7V), a ɛhwehwɛ sɛ cells pii a ɛtoatoa so ma system voltage a wɔde ama. Eyi ma BMS a ɛyɛ den no yɛ kɛse kakra nanso ɛma ahobammɔ ne nkwa nna tu mpɔn, nneɛma a ɛne adan a ahoɔden a ɛkorɔn yɛ adwuma bom yiye.
Nea ɛto so abien-Asetra mu Nsusuwii
Sɛ wɔsan de anyinam ahoɔden kar batere di dwuma de sie baabiara a, ɛma wonya asɛm bi a ɛyɛ anigye a wɔayɛ ho nhwehwɛmu. Wɔayɛ EV batere sɛ ahoɔden a ɛkorɔn packs (mpɛn pii no 400-800V) sɛnea ɛbɛyɛ a wobedi kar adwumayɛ ahwehwɛde ahorow ho dwuma. Sɛ wode di dwuma wɔ asetra mu nneɛma a ɛto so abien mu a, ɛmma ɛho nhia sɛ wɔsan yɛ voltage architecture.
Redwood Materials ne nnwumakuw afoforo a wɔde EV batere a ɛto so abien-di dwuma wɔ grid scale so no nya mfaso fi batere a ɛwɔ ahoɔden a ɛkorɔn nhyehyɛe ne ahobammɔ nhyehyɛe a ɛho hia dedaw no mu. Bere a saa batere ahorow yi ahoɔden asɛe no, sɛnea wɔayɛ no ahoɔden a ɛkorɔn no fata nneɛma a wɔde sie nneɛma a egyina hɔ pintinn no yiye. Mfaso a ɛwɔ ɛka a wɔbɔ no so no fi batere a wobenya a ɛba fam sen batere foforo bo sen sɛ wobenya afi voltage nhyehyɛe no ankasa mu.
Nsɛm a Wɔtaa Bisa
So ahoɔden a ɛkɔ soro kyerɛ bere nyinaa sɛ wɔbɛyɛ adwuma yiye?
Voltage a ɛkorɔn brɛ resistive losses ase sɛnea ɛfata, nanso efficiency gains plateau ɛboro thresholds bi so. Nhyehyɛeɛ a ɛyɛ adwuma wɔ 400-800V no kyere mfasoɔ dodoɔ a ɛwɔ hɔ a ɛwɔ adwumayɛ mu. Sɛ yɛkɔ akyiri sen 1,000V a, ɛma mfasoɔ a ɛso tew ma dwumadie dodoɔ no ara, ɛwom sɛ utility-scale projects betumi akɔ so anya mfasoɔ afiri voltages a ɛkɔ kilovolts dodoɔ bi mu berɛ a ɛne medium-voltage grids di nkitaho.
So metumi ayɛ low voltage system no foforo akɔ high voltage akyiri yi?
Retrofitting voltage architecture no taa yɛ nea ɛho ka-etu mpɔn. Inverter, BMS, wiring, ne ahobanbɔ nhyehyɛe no nyinaa yɛ voltage-specific. Mpɛn pii no, sɛ wɔbɛma nneɛma ayɛ yiye a, ɛho ka boro nsonsonoe a ɛda nhyehyɛe ahorow a wɔatɔ foforo ntam. Nhyehyɛe a wɔyɛ ma awiei koraa no tumi a ɛho hia ansa na wɔde ahyɛ mu mfiase no kwati saa asɛm yi.
So ahoɔden a ɛkɔ soro nhyehyɛe ahorow no yɛ nea asiane wom kɛse?
Nhyehyɛe abien no nyinaa betumi ayɛ asiane sɛ wɔmfa nsi hɔ anaasɛ wɔanhwɛ so yiye a. High voltage nhyehyɛe a ɛboro 60V DC wɔ mmara ahwehwɛde a emu yɛ den na ɛhyɛ sɛ adwumayɛfo de wɔn si hɔ wɔ tumidi dodow no ara mu. Sɛ wɔyɛ no yiye a ahobammɔ nhama a ɛfata, isolation, ne fam a, ahoɔden kɛse nhyehyɛe ahorow no yɛ adwuma dwoodwoo. Ahwehwɛde a ɛfa adwumayɛfo a wɔde besisi nneɛma ho no brɛ asiane ase ankasa denam hwɛ a wɔhwɛ sɛ wodi anyinam ahoɔden ho mmara so no so.
Ahunmu ahe na voltage nhyehyɛe ahorow hwehwɛ?
High voltage nhyehyɛe yɛ compact kɛse ma tumi a ɛyɛ pɛ. Mprempren ahwehwɛde a wɔatew so no ma kwan ma wɔde nhama nketewa ne nneɛma a ɛwom no yɛ adwuma. 50 kWh high voltage nhyehyɛe betumi agye 15-20% a ɛsua sen voltage a ɛba fam a ɛne no sɛ esiane nhama nketewa ne component nhyehyɛe a etu mpɔn nti. Sɛ wɔde di dwuma wɔ atrae mu a, mpɛn pii no abien no nyinaa hyɛ kar dan anaa dan ase a wɔde si hɔ mu. Nsonsonoe a ɛwɔ ahunmu no bɛyɛ nea ɛho hia kɛse wɔ aguadi tebea horow mu.
Net Cost Nhwehwɛmu no
Battery a ahoɔden kɛse wom a wɔde sie ahoɔden so tew ɛka so wɔ ɔkwan a wɔpaw so sen sɛ ɛbɛtew wɔ amansan nyinaa so. Nhyehyɛe ahorow no de sika a wɔde sie a ntease wom ma wɔ dwumadie ahorow a mfasoɔ a ɛwɔ adwumayɛ mu ne nnwuma a wɔtew so boro sika a wɔde hyɛ mu a ɛkɔ soro. Aguadi ne mfaso-scale nnwuma a ɛwɔ ahoɔden a ɛkɔ soro na ɛyɛ adwumayɛ bere tenten taa nya mfaso kɛse. Nneɛma a wɔde di dwuma wɔ atrae mu no kyerɛ sikasɛm pa titiriw ma nhyehyɛe akɛse a wɔde di dwuma bere tenten.
Batere a wɔde sie ho ka a ɛkɔ fam ntɛmntɛm wɔ mfiase no sesa nsɛso no bere nyinaa. Nea na ntease wom wɔ sikasɛm mu wɔ $400 wɔ kWh biara mu no, ebia ɛnyɛ $150 wɔ kWh biara mu. Bere a nnwuma no nyin na ahoɔden a ɛkorɔn a wɔyɛ no kɔ soro no, ebia sika a wɔbɔ ma nhyehyɛe ahorow yi so bɛtew, na ama wɔatumi asi akan wɔ nneɛma pii a wɔde di dwuma mu.
Mprempren ɛka nhyehyɛe ahorow no pɛ batere a ahoɔden kɛse wom a wɔde sie ahoɔden a ɛboro 20-30 kWh tumi a wɔhwɛ kwan sɛ wɔde bɛyɛ adwuma boro mfe 10. Nhyehyɛe nketewa ne dwumadie a daakye ahwehwɛdeɛ a wontumi nsi pi no taa nya mfasoɔ pa wɔ akwan foforɔ a ɛwɔ ahoɔden a ɛba fam mu. Gyinaesi no hwehwɛ sɛ wɔhwehwɛ sɛnea wɔde di dwuma pɔtee, anyinam ahoɔden ho ka, nneɛma a wɔde kanyan nkurɔfo a ɛwɔ hɔ, ne ntrɛwmu nhyehyɛe ahorow mu sen sɛ wɔde amansan mmara bi bedi dwuma.