Dɛn ne Watt-Nnɔnhwerew?

Watt-Nnɔnhwerew (WH) susuw ahoɔden nyinaa a afiri bi de di dwuma anaa ɛyɛ bere a ɛreyɛ adwuma wɔ tumi pɔtee bi mu wɔ bere tenten mu. Wɔnam watt a wɔde nnɔnhwerew pii-sɛ nhwɛso no, 100-WATT afiri a ɛde nnɔnhwerew 3 di dwuma no di dwuma 300 watt-hours ahoɔden so na ebu ho akontaa.

Saa ade yi ma nsonsonoe a ɛda tumi a ɛba ntɛm ara (watt) ne ahoɔden a wɔde di dwuma ankasa ntam no yɛ kɛse bere a bere kɔ so no. Watt-Nnɔnhwerew a wobɛte ase no boa wo ma wubu bere tenten a batere bɛtra hɔ, asusuw anyinam ahoɔden ho ka ho, na wode ahoɔden a wɔkora so no atoto nhyehyɛe ahorow ho.

Nea enti a watt-Nnɔnhwerew ho hia sen watt nkutoo .

Power ratings ka asɛm no fã pɛ. Device bi wattage kyerɛ sɛnea ahoɔden dodow no sen fa mu wɔ bere biara mu, nanso watt-nnɔnhwerew da ahoɔden a wɔaboaboa ano a wɔde di dwuma bere a wɔde di dwuma ankasa adi.

Susuw saa nsonsonoe yi ho te sɛ ahoɔhare ne akyirikyiri a wɔatu no ho. Kar bi a ɛretu wɔ akwansin 60 dɔnhwerew biara mu no kyerɛ sɛ ne bo yɛ ntɛm-a wɔde toto Watts ho. Nanso sɛ ɛma saa ahoɔhare no kɔ so nnɔnhwerew abien a, ɛfa akwansin 120 a ne nyinaa yɛ-ɛno ne Watt-dɔnhwerew a ɛne no sɛ ma ahoɔden a wɔde di dwuma no.

Saa nsonsonoe yi bɛyɛ nea ɛho hia kɛse bere a worepaw batere anaa ahoɔden nhyehyɛe a wotumi fa so no. BI48V lithium ebike batere .Rated at 15ah Stores 720 watt-Nnɔnhwerew (48V × 15AH=720WH), a ɛkyerɛ wo riding range tẽẽ. Sɛ woante Watt- nnɔnhwerew ase a, wobɛpere sɛ wobɛbu akontaa sɛ ebia batere bi di w’ahoɔden ahiade ho dwuma anaa.

Sɛnea wobu Watt-Nnɔnhwerew ho akontaa .

Mmara titiriw no yɛ tẽẽ:

Watt-Nnɔnhwerew=WATTS × Nnɔnhwerew .

Nkontaabu ho nhwɛso ahorow a mfaso wɔ so .

Nhwɛsoɔ 1: LED kanea bɔlɔb .
LED bɔlɔb a ɛyɛ watt 10 a ɛde nnɔnhwerew 8 di dwuma:
10W × 8h=80 WH .

Nhwɛso 2: Laptop Kɔmputa .
Laptop a ɛgye watt 65 wɔ nnɔnhwerew 4 adwuma mu:
65W × 4h=260 WH .

Nhwɛso 3: Electric kettle (dɔnhwerew bi fã) .
Kettle a ɛyɛ watt 1,200 a wɔde di dwuma simma 6 da biara:
1,200W × 0.1h (simma 6 ÷ 60)=120 WH .

Nhwɛso 4: Fridge (tumi a ɛsakra) .
Fridge a ɛyɛ watt 80 a ɛkyinkyini bɛyɛ 33% wɔ bere no mu:
(80W ÷ 3) × 24h=640 WH da biara .

Nhumu titiriw no: Ɛho nhia sɛ mfiri ahorow no tu mmirika dɔnhwerew biako pɛpɛɛpɛ. Dane simma kɔ decimals mu denam 60 a wobɛkyekyɛ mu so, na formula no yɛ adwuma ma bere biara.

Nsakraeɛ a ɛda amp-Nnɔnhwerew ne Watt-Nnɔnhwerew ntam .

Battery tumi pue wɔ akwan abien so: amp-Nnɔnhwerew (AH) ne Watt-dɔn (WH). Bere a amp-Nnɔnhwerew kyerɛkyerɛ charge tumi mu no, watt-Nnɔnhwerew akontaabu ma charge ne voltage nyinaa, na ɛma ɛyɛ mfaso kɛse ma battery a wɔde toto voltage ahorow ho.

Nsakraeɛ nsusuiɛ no .

Watt-Nnɔnhwerew=ahoɔden × amp-Nnɔnhwerew .

12V battery a wɔakyerɛ sɛ ɛwɔ 100ah stores:
12V × 100ah=1,200 WH .

48V battery a ɛwɔ 25ah stores pɛ:
48V × 25ah=1,200 WH .

Wɔn mmienu nyinaa ma ahoɔden a ɛyɛ pɛ ɛmfa ho sɛ ɛsono amp-dɔnhwerew ratings. Eyi ma yehu nea enti a Watt-nnɔnhwerew de ntotoho metric-voltage ho hia kɛse ma.

Nea enti a eyi ho hia ma batere a wɔpaw .

Voltage nhyehyɛe a ɛkorɔn no de ahoɔden koro no ara ma a ɛwɔ AMP-dɔnhwerew dodow a ɛba fam. Eyi ka ne mu duru, ne kɛse, ne ne bo. 48V nhyehyɛe no betumi de batere nketewa a emu yɛ hare adi dwuma bere a ɛde ahoɔden a ɛne no sɛ ma 12V nhyehyɛe a ɛyɛ kɛse no de ma no.

Kilowatt-Nnɔnhwerew: scaling up ma mfaso a ɛwɔ so .

Afie ne nnwuma di ahoɔden kɛse, na ɛma watt-nnɔnhwerew pii yɛ nea ɛnyɛ den. Ɛhɔ na kilowatt-nnɔnhwerew (KWH) bɛyɛ gyinapɛn.

1 kWh=1,000 WH .

Wo anyinam ahoɔden ho ka no susuw sɛ wode bedi dwuma wɔ kilowatt{0}}Nnɔnhwerew mu efisɛ mfiri ne afie de watt mpempem pii di dwuma-nnɔnhwerew da biara. Wɔ afe 2024 mu no, sɛ wɔkyekyem pɛpɛɛpɛ a, anyinam ahoɔden a ɛwɔ U.S. no yɛ bɛyɛ dɔla 0.15 wɔ kWh biara mu, ɛwom sɛ ɛsono sɛnea wɔbɔ wɔ ɔmantam biara mu de.

Real-Wiase Ahoɔden a Wɔde Di Dwuma .

Nneɛma a wɔtaa de di dwuma wɔ fie no di:

Friihyi: 1–2 kWh da biara (400–800W a ɛretu mmirika wɔ bere ne bere mu) .

Mframa a wɔde yɛ adwuma .: 2–5 kWh da biara (1,000–2,000W nnɔnhwerew pii da biara) .

LED TV .: 0.15–0.3 kWh da biara (50–100W nnɔnhwerew 3) .

Desktop Kɔmputa .: 0.4–0.8 kWh da biara (100–200W nnɔnhwerew 4–8) .

anyinam ahoɔden nsu a ɛyɛ hyew .: 10–15 kWh da biara (4,500W nnɔnhwerew 2–3) .

U.S. fie a ɛyɛ ne kwan so no di bɛyɛ 900 kWh ɔsram biara, anaasɛ bɛyɛ 30 kWh da biara. Ɛno yɛ watt 30,000-Nnɔnhwerew-a ɛkyerɛ nea enti a KWH nsenia no yɛ nea ntease wom ma ofie ahoɔden akyi di.

Watt-Nnɔnhwerew wɔ batere nhyehyɛe mu .

Battery manufacturers kyerɛ tumi wɔ Watt{0}}dɔn mu efisɛ ɛkyerɛ tẽẽ sɛ ahoɔden dodow a battery no de sie. Saa nɔma yi na ɛkyerɛ runtime bere a ahoɔden mfiri ahorow no na ɛboa ma wobu bere tenten a wɔde yɛ backup no ho akontaa bere a ɛretwa no.

Battery runtime ho ntease .

Sɛ wopɛ sɛ wubu bere tenten a batere bi ma afiri bi tumi yɛ adwuma ho akontaa a:

Runtime (Nnɔnhwerew)=batere wh ÷ mfiri watts .

500Wh tumi gyinabea a wotumi fa so a ɛde laptop a ne kɛse yɛ watt 50 di dwuma:
500Wh ÷ 50W=10 nnɔnhwerew .

Battery a ɛyɛ 500Wh koro no ara a ɛma ahoɔden 200-WATT mini-fridge:
500Wh ÷ 200W=2.5 nnɔnhwerew .

Real-Wiase adwumayɛ kɔ fam kakra wɔ saa akontabuo yi ase ɛnam nsakraeɛ a ɛyɛ yie a ɛyera nti. Lithium battery dodow no ara nya 85-90% round-trip efficiency, a ɛkyerɛ sɛ ahoɔden bi sɛe sɛ ɔhyew bere a wɔrebɔ charge na ɛrebɔ no.

Battery a wɔkora so nyin wɔ afe 2024 mu .

U.S. batere a wɔkora so no boroo gigawatt 26 wɔ afe 2024 mu, na wɔde tumi foforo 10.4 a wɔde kaa ho-a wɔsusuw wɔ ahoɔden (GW) ne ahoɔden nyinaa mu (GWH, anaa gigawatt-nnɔnhwerew). Saa susudua mmienu yi kyerɛ sɛdeɛ battery nhyehyɛeɛ hia tumi a ɛfiri mu ba ne ahoɔden a wɔkora so berɛ tenten.

Batere a wɔde si hɔ a wɔde si hɔ no nyaa nkɔanim 57% wɔ afe 2024 mu, na mpɛn pii no wɔde nhyehyɛe ahorow no too 10-15 kWh (10,000-15,000 WH) ntam. Saa afie mu batere yi ma ahoɔden a wɔde sie bere a wɔretwa no na ɛboa afiewuranom ma wɔkora owia ahoɔden so ma wɔde di dwuma anwummere.

Watt-dɔn a wɔde di dwuma wɔ ɔkwan a mfaso wɔ so so .

anyinam ahoɔden ho ka a wobu ho akontaa .

Adwumayɛ ho ka a wobɛbu no hwehwɛ sɛ wuhu Watt- nnɔnhwerew ne wo anyinam ahoɔden ho ka nyinaa.

Ɛka=(wh ÷ 1,000) × rate wɔ kWh biara mu .

Sɛ wode 1,500W space heater di dwuma nnɔnhwerew 5 wɔ ɔmantam bi a ɛrebɔ $0.15/kWh mu:
(1,500W × 5h ÷ 1,000) × $0.15 = $1.13

Saa akontabuo yi da no adi sɛ ɛkorɔn-WATTtage mfiri a wɔde di dwuma no taa ma sika a wɔbɔ no kɔ soro kɛse. Ahunmu ɔhyew afiri a wɔde di dwuma nnɔnhwerew 4 da biara nnafua 30 no bo bɛyɛ $27 ɔsram biara.

Owia ne batere nhyehyɛe ahorow a wɔde si hɔ .

Owia nhyehyɛe nhyehyɛe no de ne ho to Watt-dɔnhwerew akontaabu so kɛse. Sɛ wo da biara da a wode di dwuma no dodow yɛ kWh 25 (25,000 Wh) a, sɛ wɔkyekyem pɛpɛɛpɛ a, wuhia owia ahoɔden a ɛma ahoɔden a ɛyɛ den no yɛ saa.

6 kW solar array a ɛyɛ 4.5 peak sun hours da biara da no ma:
6,000W × 4.5h=27 KWH (27,000 WH) .

Eyi boro wo da biara da ahiade so kakra, na ɛyɛ nna a mununkum wom ne nhyehyɛe a entumi nyɛ adwuma yiye.

E-Bike range akontaabu .

Electric bicycle range gyina battery watt- nnɔnhwerew ne nea wɔde di dwuma wɔ kilomita biara mu so tẽẽ. A typical E-bike motor di 20-30 wh wɔ akwansin biara mu a egyina asase so, rider mu duru, ne mmoa level.

48V 15AH batere (720 wh) ma:
720 wh ÷ 25 wh/mile=bɛyɛ akwansin 29 a ɛyɛ kwan so .

Ankasa range gu ahorow-Assist levels a ɛkorɔn, nkoko a ɛso yɛ toro, na apɔnkɔsotefo a wɔn mu yɛ duru no ma nea wɔde di dwuma no yɛ kɛse. Wɔn a wɔte apɔnkɔ so pii de 0.7 multiplier di dwuma wɔ tumi nyinaa so de kwati deep discharges a ɛpira battery nkwa tenten:
(720 wh × 0.7) ÷ 25 wh/mile=20 akwansin ankasa kwan .

Adwene a ɛnteɛ a wɔtaa nya wɔ watt ho{0}}Nnɔnhwerew .

"Ah a ɛkorɔn kyerɛ sɛ eye kyɛn so bere nyinaa".

20ah battery bi nnyigyei yɛ den sen 10ah battery, nanso voltage ka asɛm no nyinaa. Wɔ 12V no, 20AH batere no sie 240 wh. Wɔ 48V no, 10ah battery no sie 480 wh-ahoɔden no mmɔho abien ɛmfa ho sɛ amp no fã-dɔnhwerew rating.

Bere nyinaa fa Watt-dɔn toto ho bere a woresusuw batere ahorow a ɛwɔ ahoɔden ahorow ho no.

"WATTS ne WATT-Nnɔnhwerew no yɛ nea wotumi sesa".

100-WATT afiri bi nni watt-hours 100. Bere tenten ho hia kɛse. Saa 100W afiri no de 100 wh di dwuma sɛ wɔde di dwuma dɔnhwerew biako pɛpɛɛpɛ nkutoo a. Fa no tu mmirika simma 30, na nea wode di dwuma no so tew kodu 50 wh. Mmirikatu no nnɔnhwerew 5, na nea wɔde di dwuma no kɔ soro kodu 500 wh.

Watts gyina hɔ ma nsu a ɛsen; Watt-Nnɔnhwerew no gyina hɔ ma dodow a ɛwɔ hɔ nyinaa.

"Voltage a ɛbɔ ho abien abien watt-dɔnhwerew".

Ɛnyɛ sɛ wonsusuw amp-dɔn ho. Doubling voltage bere a halving amp-hours hwɛ watt koro no ara-hours. Battery 24V 20AH (480 wh) de ahoɔden a ɛyɛ pɛ sie 48V 10AH battery (480 wh).

Abusuabɔ no yɛ multiplicative: voltage ne amp no nyinaa-nnɔnhwerew na ɛkyerɛ ahoɔden a wɔkora so nyinaa.

Ahoɔden a wɔde di dwuma yiye ne watt-dɔnhwerew a wɔde yɛ adwuma yiye .

Ahoɔden a wɔde di dwuma a wɔbɛtew so no fi ase denam watt a ɛkorɔn-dɔnhwerew mfiri a wobehu so. Track wo devices’ watt ne typical da biara da dwumadie nnɔnhwereɛ, afei bu Watt-nnɔnhwereɛ ma emu biara.

High-Nkɛntɛnso a Wɔtew so Ho Akwan .

Fa nnwinnade dedaw si ananmu .
Wobetumi de nnɛyi unit a wɔde 800 wh pɛ a wɔde di dwuma da biara da 700 da biara da sikakorabea a ɛka bom yɛ 21 kWh ɔsram biara no besi frigye a ɛyɛ dedaw 1,500 a wɔde di dwuma da biara da no ananmu.

Optimize HVAC dwumadie .
Ɔhyew ne onwini nhyehyɛe ahorow di afie ahoɔden a wɔde di dwuma so. thermostat a wotumi yɛ ho nhyehyɛe a ɛtew runtime so nnɔnhwerew 2 da biara no sie watt a ɛho hia- nnɔnhwerew. Sɛ wo system no twe 3,000W a, ɛno yɛ 6,000 wh (6 kWh) a wɔkora so da biara.

LED kanea a ɛsakra .
Swapping a 60W incandescent bulb a wɔde di dwuma nnɔnhwerew 5 da biara ne 10W LED sie:
(60W - 10W) × 5H=250 WH da biara da .
Ɛno yɛ 7.5 kWh ɔsram biara wɔ bɔlɔb biara mu.

Phantom adesoa a wɔde fi hɔ .
Mfiri a ɛwɔ standby so no di 5-10W daa. Mfiri du wɔ 8W biara:
(mfiri 10 × 8W) × 24h=1,920 WH da biara
Ɛkame ayɛ sɛ 2 kWh sɛee wɔ mfiri ahorow so a ɛnyɛ hwee.

Nsɛm a Wɔtaa Bisa .

Dɛn na 1000 watt-nnɔnhwerew kyerɛ ma batere?

Battery a wɔakyerɛ sɛ ɛyɛ 1000 wh no betumi de watt 1000 ama dɔnhwerew biako, watt 500 nnɔnhwerew abien, anaasɛ watt 100 nnɔnhwerew du. Adwumayɛ ankasa gyina tumi a afiri no hwehwɛ ne batere a ɛyɛ adwuma yiye so. Lithium batere dodow no ara hwere bɛyɛ 10-15% wɔ ɔhyew ne nsakrae a ɛyera no ho.

Ɔkwan bɛn so na metumi adan me anyinam ahoɔden ho ka no akɔ Watt-dɔnhwerew mu?

Fa kilowatt-nnɔnhwerew a wɔakyerɛ wɔ wo sika so no bɔ 1,000. Sɛ wo sika no kyerɛ sɛ wɔde 850 kWh di dwuma a, ɛno ne watt 850,000-dɔn. Saa dodow kɛse yi kyerɛkyerɛ nea enti a utilities susuw wɔ kilowatt-dɔn mu sen Watt-dɔn.

So metumi de Watt-dɔn a efi batere ahorow mu aka ho?

Yiw, bere a batere ahorow no di nkitaho wɔ parallel mu no. Battery abien a ɛyɛ 500 wh wire wɔ parallel mu ma 1,000 wh nyinaa tumi wɔ voltage koro no ara mu. Series nkitahodi ma voltage nanso ɛnyɛ watt-Hour tumi gye sɛ wo akontaabu ma voltage nkɔanim wɔ wo akontaabu mu.

Dɛn nti na battery ahoɔden de watt-dɔn di dwuma sen sɛ wɔde amp-dɔn bedi dwuma?

Watt-Nnɔnhwerew ma ahoɔden a ɛwɔ mu-ahofadi susudua a ɛfa ahoɔden a wɔkora so ho, na ɛma ntotoho a ɛyɛ nea ntease wom wɔ ahoɔden nhyehyɛe ahorow so. Ebia 12V ne 48V batere no nyinaa bɛka sɛ ɛyɛ 100ah, nanso wɔkora ahoɔden soronko koraa-1,200 wh ne 4,800 wh.

Nea ɛwɔ ase hɔ no .

Watt-Nnɔnhwerew gyina hɔ ma ade titiriw a wɔde susuw ahoɔden a wɔde di dwuma ne nea wɔkora so wɔ anyinam ahoɔden nhyehyɛe mu. Bere a Watts kyerɛkyerɛ tumi a ɛsen ntɛm ara mu no, watt-Nnɔnhwerew kyere ahoɔden a wɔaboaboa ano a wɔde dii dwuma bere tenten-Metric a ɛka wo anyinam ahoɔden ho ka, batere runtime, ne ahoɔden ahiade ankasa.

Mastering Watt-dɔnhwerew akontaabu ma gyinaesi ahorow a nyansa wom a ɛfa mfiri a wɔde di dwuma, batere a wɔpaw, ne ahoɔden nhyehyɛe ho nhyehyɛe ho. Sɛ́ ebia worebu akontaa bere tenten a anyinam ahoɔden adwumayɛbea bi bɛma wo mfiri ahorow ayɛ adwuma, wode E-bike batere ahoɔden bɛtoto ho, anaasɛ worebɔ mmɔden sɛ wobɛtew anyinam ahoɔden a wode di dwuma ɔsram biara no so no, Watt-dɔnhwerew ahorow no de susudua a ɛho hia a ɛka anyinam ahoɔden dodow a wɔde kyerɛ nneɛma a ɛwɔ hɔ no bata ankasa-wiase adwumayɛ ho.

Bere foforo a wubehu afiri bi a wɔakyerɛ sɛ ɛyɛ "50 Watts" anaasɛ batere bi a ɛkyerɛ sɛ "720 watt-dɔnhwerew" no, wobɛte nea saa akontaabu no kyerɛ no ase pɛpɛɛpɛ-na nea ɛho hia sen saa no, sɛnea ɛkyerɛ ase kɔ nnɔnhwerew a wode bedi dwuma, akwansin pii a wode bedi dwuma, anaasɛ dɔla a ɛwɔ wo utility sika so.