Sɛnea amanneɛbɔ bi a Ɔman Ahoɔden a Wɔyɛ Foforo Nhwehwɛmubea (NREL) de mae kyerɛ no, esiane sɛ wɔbɔ batere a wɔde yɛ adwuma no ho ka bere nyinaa nti, dodow a ahoɔden a wɔkora so nhyehyɛe no nyinaa yɛ kɛse no, dodow no ara na ɛka afoforo a wɔkyekyɛ ma ahoɔden a wɔde yɛ adwuma biara no so tew. Wei ma Battery Energy Storage Systems (BESS) nya mfasoɔ kɛseɛ wɔ ahoɔden akoraeɛ dwumadie akɛseɛ-tumi mu, sɛdeɛ wɔakyerɛ wɔ pon a ɛwɔ aseɛ ha no mu.
Ka a wɔbɔ wɔ lithium-ion battery ahoɔden a wɔkora so nhyehyɛe ho
Titiriw no, wɔakyerɛ ɛka a wɔbɔ wɔ BESS (Battery Energy Storage Systems) a wɔde gu nsukorade mu a wɔyɛ, wɔde si hɔ, ne nea wɔde di dwuma ho wɔ pon a ɛwɔ ase ha no mu.
BESS Ka a Wɔbɔ no Nkyɛmu (Table 2-4) .
| BESS Parameter a wɔde kyerɛ | Container/ Nneɛma a Wɔde To Ntamadan mu | Electrical ho adwuma | Nhyehyɛeɛ | Ɔhyew a Wɔde Di Dwuma | Ogya Ho Ahobammɔ | PCS (Inverter) a wɔde yɛ nneɛma . | Battery Nkwammoaa a Wɔde Yɛ Nkwammoaa |
|---|---|---|---|---|---|---|---|
| 50kW/2h na ɛyɛ adwuma | 4.3% | 11.3% | 8.7% | 3.4% | - | 7.5% | 64.8% |
| 250kW/2h na ɛyɛ adwuma | 1.5% | 5.2% | 5.6% | 2.4% | 2.3% | 7.0% | 76.0% |
| 2500kW/2h na ɛyɛ adwuma | 0.7% | 2.5% | 2.0% | 1.3% | 1.0% | 5.0% | 87.5% |
Sɛ yɛfa 250kW/2h containerized BESS sɛ nhwɛsoɔ a, battery no bɛyɛ bɛyɛ 76% wɔ ɛka a wɔbɔ nyinaa mu; ade a wɔde gu mu, mpɔtam hɔ controller, ɔhyew sohwɛ, ogya ho banbɔ, tumi a wɔkyekyɛ, ne nneɛma afoforo a ɛfa ho (kanea, nhama, ne nea ɛkeka ho) bɛyɛ 15.5%; na PCS no bɛyɛ 7%. Nanso, grid-connected transformer no nka atifi hɔ nhyehyɛe no ho.
Yebetumi ahunu sɛ, sɛ yɛhwɛ hardware ne adwinnadeɛ ho ka a, berɛ a ahoɔden ne ahoɔden a ɛwɔ ahoɔden a wɔkora so nhyehyɛeɛ mu kɔ so kɔ soro no, ɛka a wɔbɔ wɔ tumi nsakraeɛ nhyehyɛeɛ (PCS) ne anyinam ahoɔden ne adansiɛ mu nneɛma foforɔ ho no so bɛtew sɛdeɛ ɛfata, berɛ a battery ho ka fã no bɛkɔ so akɔ soro. Enti, batere ho ka a wɔbɛhwɛ so no benya nkɛntɛnso kɛse wɔ batere ahoɔden a wɔkora so nhyehyɛe (BESS) ho ka nyinaa a wɔbɛtew so.