Mfiridwuma a wɔde sie ahoɔdenkyerɛ nnuru anaa honam fam akwan a wɔfa so de anyinam ahoɔden a wonya fi ahoɔden titiriw mu ba no sie na wɔayi afi mu bere a ɛho hia no. Nea ɛka ho titiriw ne ahoɔden ne nneɛma a wɔde ba ne nea wɔde fi mu, ne ahoɔden a wɔdannan ne nneɛma a wɔde sie.
Nea ɛnte sɛ awo ntoatoaso agyapade a wɔtaa de di dwuma a ɛdannan pɛtro ma ɛyɛ tumi wɔ ahyɛde so no, BESS mfiridwuma no tew bere mu abusuabɔ a ɛda nneɛma a wɔyɛ ne nea wɔde di dwuma ntam-tumi a ɛsakra grid adwumayɛ titiriw. Electrochemical nsakraeɛ nhyehyɛeɛ no ma ahoɔden a ɛkɔ akwan mmienu so tumi kɔ: wɔbɔ ka firi awoɔ ntoatoasoɔ a wɔtumi yɛ foforɔ a ɛboro soɔ anaasɛ off-peak grid power, afei wɔyi gu wɔ bere a ɛho ka sua anaasɛ ɛboɔ a ɛkɔ soro. Nea ɛma saa nhyehyɛe ahorow yi som bo titiriw nyɛ nneɛma a wɔkora so ara kwa na mmom mmuae ahoɔhare-grid-scale battery ahorow betumi adan afi charge a edi mũ so akɔ ahoɔden a edi mũ mu wɔ miliseconds mu, adwumayɛ su a thermal plant biara ntumi nyɛ pɛ.
Nea Ɛsi Ankasa Wɔ Battery Energy Storage System Mu
Architecture no nyɛ den wɔ adwene mu, ɛwom sɛ execution details tetew installations a wotumi de ho to so fi nea ɔhaw wom ho de.
Nkwammoaa no bom yɛ module ahorow. Modules stack kɔ racks mu. Racks hyɛ nsukorade anaa atirimpɔw -a wɔasisi enclosures ma. Battery management nhyehyɛe no hwɛ ankorankoro cell voltage ne ɔhyew, kari pɛ charge kyekyɛ ne flagging anomalies. Ɔhyew sohwɛ-taa yɛ nsuo a ɛma onwini wɔ nnɛyi mfasoɔ-scale deployments-kura nkwammoaa mu wɔ adwumayɛ mfɛnsere a ɛyɛ papa mu (mpɛn pii no 15-35℃). Tumi nsakraeɛ nhyehyɛeɛ no di DC-AC nsakraeɛ ho dwuma, ɛnam standard switchgear ne step-up transformers so na ɛka grid no ho.
Bere tenten ne "Nnɔnhwerew 4 Ɔhaw".
Ɛha na nnwuma no hyia anohyeto ankasa. Grid-scale Battery Energy Storage Systems dodoɔ no ara a wɔreyɛ anaa wɔreyɛ adwuma no ma nnɔnhwereɛ 2-4 a wɔde bɛyi afiri mu wɔ tumi a wɔahyɛ sɛ wɔmfa nni dwuma no mu. Ɛno fata ma anwummere peak shaving-absorbing awiabere owia surplus, afei dispatching bere a post-owiatɔe ahwehwɛde-nanso ɛnnɔɔso mma multi-da resilience wɔ bere tenten a low-renewable bere.
California "duck curve" a agye din no kyerɛkyerɛ adeyɛ no mu. Adesoa a wɔde di dwuma (ahwehwɛde a wɔayi nneɛma a wɔde yɛ foforo a ɛsakra afi mu) kɔ fam bere a owia ahoɔden a wɔyɛ no awiabere no, afei ɛkɔ soro kɛse bere a owia kɔtɔ na nneɛma a wɔhwehwɛ wɔ atrae no kɔ soro kɛse no. Batere a ɛyɛ nnɔnhwerew 4-di saa da biara da kyinhyia no ho dwuma yiye. Nea entumi nni ho dwuma ne dapɛn biako wim asubɔnten mu adeyɛ a esiw owia awo ntoatoaso ano wɔ ɔmantam no nyinaa mu bere a bere koro no ara ɛma ɔhyew a wɔhwehwɛ no kɔ soro no.
Mfiridwuma a wɔde sie ahoɔden a ɛkyɛ-flow batteries, compressed air, hydrogen, thermal systems-de wɔn ani si saa nsonsonoeɛ yi so, nanso ɛka ne adwumayɛ yie ho nsusuiɛ nnya nduu parity ne lithium-ion wɔ bere tiaa mu. Guadidan no kɔ so to kyakya wɔ lithium-ion ka a wɔbɛtew so nkakrankakra so sen sɛ wɔde akwan foforo bedi dwuma ntɛmntɛm.
Beyond Arbitrage: Grid Services [Ahoɔden a Wɔkora So].
Energy arbitrage-tɔ a ɛba fam na ɛtɔn kɛse-bere a ɛtwetwe sikasɛm mu asisifo, ntaa nni mfaso ankasa a batere nya so. Mpɛn pii no, nnwuma a wɔde boa no yɛ nea mfaso wɔ so kɛse.
Frequency regulation hwehwɛ sɛ wɔyɛ ho biribi ntɛmntɛm ma enti ne bo yɛ den. Sɛ generators akɛse to mu mpofirim a, grid frequency ahorow no so tew. Batere tumi de ahoɔden bɛhyɛ mu wɔ milisekɔn 100 mu, na esiw frequency a ɛbɛkɔ fam ansa na fango a ɛkɔ brɛoo-atumi afi ase ayɛ adwuma. South Australia Hornsdale Power Storage System daa yei adi pefee wɔ afe 2017 mu berɛ a ɛyɛɛ ho biribi wɔ fango-afiri a wɔde yɛ anyinam ahoɔden adwumayɛbea a ɛtwa mu ntɛmntɛm sene sɛdeɛ wɔpenee so wɔ apam mu, na ɛsiw anyinam ahoɔden a ɛbɛtumi atɔ.
Spinning reserves, voltage support, ne black-start tumi-saa dwumadie yi repɛ ntɛmntɛm-mmuaeɛ tumi a ɛwɔ battery storage mu sene atetesɛm synchronous generators. Guadidan binom ayɛ nsakrae pɔtee wɔ akatua akwan horow mu de asusuw mmuae ahoɔhare ho, na ɛde sika a wonya a na enni hɔ mfe du a atwam ni no aba.
Nhwehwɛmu a Ɛyɛ Nokware
Battery Energy Storage Systems di ɔhaw ankasa a ahoɔden nsakrae no de ba no ho dwuma. Awo ntoatoaso a wotumi yɛ foforo a ɛsakra no hia buffering. Grid flexibility ahwehwɛde ahorow no renya nkɔanim. Ɛlektrik a wɔde di dwuma wɔ akwantu ne ɔhyew mu no ma nsɛnnennen a ɛfa ahwehwɛde a ɛsen biara ho no yɛ kɛse.
Nanso nneɛma a wɔkora so nkutoo nni ɔhaw a ɛfa bere ne bere mu no ho dwuma. Ɛmma hia a ehia sɛ wonya ahoɔden a wɔde yɛ nneɛma a ɛyɛ den no mfi hɔ, ɛwom sɛ ebia ɛbɛtew mpɛn dodow a saa tumi no tu mmirika no so de. Ɛde ahobammɔ ho nsusuwii foforo a nnwuma no da so ara resua sɛnea wobedi ho dwuma no ba.
Mfiridwuma no yɛ adwuma. Sikasɛm tu mpɔn afe biara. Deployment trajectory no hwɛ sɛ ɛyɛ den. Ɛno mu biara nhyɛ bɔ sɛ wɔde bɛka grid nhyehyɛe a ɛyɛ den a wɔde agyapade mmara di so na ahyehyɛde ahorow a wɔasisi atwa nnompe awo ntoatoaso a wotumi de kɔ baabi foforo ho ahyia na ɛyɛ adwuma no mu a ɛnyɛ den.
Obiara a ɔbɛka akyerɛ wo sɛ BESS mfiridwuma gyina hɔ ma ɔhaw bi a wɔadi ho dwuma anaasɛ ɔnyɛ aso anaasɛ ɔretɔn biribi. Obiara a ɔpow sɛ ɛnyɛ nea mfaso wɔ so no nhwɛɛ nnansa yi adwuma no ho ka anaa adwumayɛ ho nsɛm. Nokwasɛm no te saa nneɛma a ɛtra so no ntam-baabi pɔtee a mfiridwuma mu nhwehwɛmu a ɛyɛ nokware taa si fam.