Peak shaving battery yɛ ahoɔden a wɔkora so nhyehyɛe a ɛkora anyinam ahoɔden so wɔ bere a ɛho nhia pii mu na ɛtow gu wɔ nnɔnhwerew a ɛho hia kɛse mu de tew ahoɔden a wɔde di dwuma kɛse fi grid no so. Saa batere nhyehyɛe yi boa aguadi ne mfiridwuma adwumayɛbea ahorow ma wɔkwati sika a ne bo yɛ den a wɔbɔ wɔ ahwehwɛde ho, a mpɛn pii no ɛyɛ anyinam ahoɔden ho ka nyinaa mu 30-70%. Mfiridwuma no nam ahoɔden ho nhyehyɛe a nyansa wom a ɛhwɛ ahoɔden a wɔde di dwuma bere ankasa so na ɛde ahoɔden a wɔde asie di dwuma pɛpɛɛpɛ bere a anyinam ahoɔden a wɔhwehwɛ ne anyinam ahoɔden dodow du nea ɛkorɔn sen biara no so na ɛyɛ adwuma ankasa.
Sɛnea Peak Shaving Battery Systems Yɛ Adwuma
Dwumadi titiriw no twe adwene si ahoɔden a wɔkora so ne nea wɔde gu mu kyinhyia ahorow so. Wɔ off-bere a nnipa pii nkɔ hɔ-taa yɛ anadwo anaa anɔpatutuutu bere a anyinam ahoɔden bo kɔ fam na grid nhyɛso so tew-batere nhyehyɛe no gye fi anyinam ahoɔden nhama anaa nneɛma a wɔyɛ no foforo te sɛ owia ahoɔden mfiri. Saa ahoɔden a wɔakora so yi bɛyɛ nea wobetumi de adi dwuma ntɛm ara bere a wɔde di dwuma no yɛ hu sɛ ɛbɛboro nea wɔahyɛ ato hɔ no so no.
Nnɛyi batere a wɔde yiyi ti nhwi a ɛsen biara no de ahoɔden a wɔde di dwuma a ɛyɛ nwonwa a ɛkɔ so hwɛ anyinam ahoɔden a wɔtwetwe no so wɔ simma 15 ntam di dwuma, bere a wɔde susuw nneɛma a wɔde di dwuma wɔ ɔkwan a ɛfata so de tua ho ka. Sɛ nhyehyɛe no hu sɛ nneɛma a wɔde di dwuma no rebɛn nea ɛsen biara a, ɛdan kɔ batere ahoɔden so ara kwa, na ɛde anyinam ahoɔden a ɛwɔ anyinam ahoɔden a ɛwɔ anyinam ahoɔden mu no ka ho na ama adwumayɛbea no ahiade nyinaa akɔ fam asen nea ɛho hia. Saa nsakraeɛ yi kɔ so a ɛnyɛ den, a ɛnhaw adwumayɛ anaa nnwinnadeɛ adwumayɛ.
Battery management system no di parameters pii akyi a nea ɛka ho ne state of charge, discharge rates, temperature, ne predicted load patterns a egyina abakɔsɛm mu data so. Advanced algorithms kyerɛ bere a peak periods bɛba na wɔhwɛ hu sɛ battery kura charge a ɛdɔɔso a ɛbɛma wɔadi ahwehwɛde spikes a wɔhwɛ kwan no ho dwuma. Saa nkɔmhyɛ tumi yi ma nsonsonoeɛ da peak shaving battery systems ne backup power solutions a ɛnyɛ den-wɔde nsiyɛ ma ahoɔden a wɔde di dwuma no yɛ yie sene sɛ wɔde ahoɔden a wɔde di dwuma ntɛm ara bɛma kɛkɛ.
Battery Chemistry ne Nhyehyɛe a Wɔde Yɛ Nneɛma
Peak shaving battery a wɔde si hɔ no de lithium-ion mfiridwuma di dwuma titiriw, titiriw lithium iron phosphate (LiFePO4) nnuruyɛ. Saa batere yi de ahoɔden a ɛboro so mpɛn 2-3 ma sen atetesɛm lead-acid alternatives bere a ɛkura voltage output a ɛyɛ den wɔ wɔn discharge curve 80% nyinaa mu. Saa flat discharge profile yi hwɛ hu sɛ ahoɔden a ɛyɛ papa daa bere a adwumayɛbea ahorow no nya fi battery a wɔde asie wɔ bere a nnipa pii wɔ mu no.
Batere nhyehyɛe a wɔtaa de di gua a ɛsen biara no kura nneɛma pii a ɛyɛ adwuma wɔ biakoyɛ mu. Battery bank no ankasa yɛ nkwammoaa pii a wɔaka abom wɔ ntoatoaso ne parallel nhyehyɛe ahorow mu na ama wɔanya ahoɔden ne tumi ho nkyerɛkyerɛmu a wɔpɛ. Tumi nsakrae nhyehyɛe ahorow sesa DC batere a ɛba no ma ɛne adwumayɛbea no ahwehwɛde hyia, sɛ́ ɛyɛ 48V DC ma telefon so nkitahodi mfiri anaasɛ ahoɔden a ɛkorɔn a wɔde yɛ mfiridwuma mu nneɛma. Inverters di tumi a ɛsen fa akwan abien so ho dwuma, na ɛma wotumi de charge fi grid no so na wɔtow gu facility loads so.
Ɔhyew a wɔde di dwuma no bɛyɛ nea ɛho hia bere a nhyehyɛe ahorow yi kyinhyia da biara da no. Nnɛyi nneɛma a wɔde si hɔ no de onwini a ɛnyɛ adwuma denam mframa a ɛkɔ so yiye anaasɛ onwini nhyehyɛe a ɛyɛ adwuma a ɛma batere kɔ so yɛ hyew a eye sen biara a ɛyɛ digrii 20-25 ka ho . Ɔhyew a ɛkɔ soro digrii 10 biara a ɛboro saa kwan yi so no ma batere no nyin bɛyɛ mmɔho abien, na ɛma ɔhyew a wɔde di dwuma ho hia na ama nhyehyɛe no nkwa nna ne sika a wɔde asie no anya mfaso kɛse.
Peak Shaving Versus Adesoa a Wɔsakra
Peak shaving battery mfiridwuma yɛ soronko koraa wɔ loading shifting akwan horow ho, ɛwom sɛ abien no nyinaa botae ne sɛ wɔbɛtew anyinam ahoɔden ho ka so de. Peak shaving brɛ ahwehwɛde a ɛkɔ soro ankasa ase denam tumi foforo a wɔde ba wɔ mmere a emu yɛ den mu no so. Adwumayɛ kɔ so sɛnea ɛte biara a nhyehyɛe mu nsakrae biara nni mu-battery no de ahoɔden foforo ma kɛkɛ bere a sɛ ɛnte saa a, grid ahwehwɛde no bɛkɔ soro. Wei ma peak shaving battery systems yɛ papa ma facilities a ɛwɔ adwumayɛ a ɛntumi nsiesie ahoɔden-intensive processes.
Adesoa a wɔsesa, nea ɛne no bɔ abira no, ɛde ahoɔden a wɔde di dwuma no fi nnɔnhwerew a ɛho ka yɛ kɛse-kɔ bere a ɛho ka sua-ɛkɔ soro-bere a ɛyɛ kɛse denam adwumayɛ ho nhyehyɛe a wɔsan yɛ so. Ebia adwumayɛbea bi a wɔyɛ nneɛma no de mfiri a emu yɛ duru adi dwuma anadwo nnɔnhwerew mu de anya anyinam ahoɔden a ɛba fam no so mfaso. Saa kwan yi hwehwɛ sɛ wɔyɛ nsakrae wɔ adwumayɛ mu a nnwuma pii nni. Ayaresabea ahorow, data centers, ne adwumayɛbea ahorow a wɔyɛ nneɛma a ɛkɔ so no ntumi nsakra wɔn ahoɔden a wɔde di dwuma no nkɔ mmere ahorow mu kɛkɛ a wɔremma ɔsom adwuma no nsɛe.
Ɛsono sikasɛm mu nsunsuanso kɛse. Peak shaving battery installations di ahwehwɛdeɛ ho ka-fees a egyina simma 15 ahoɔden a wɔde di dwuma kɛseɛ so wɔ sikatua kyinhyia mu. Simma 30 a ɛkɔ soro pɛnkoro no betumi ama afe afe grid ho ka akɔ soro dɔla mpempem pii. Adesoa a wɔde sesa no de wɔn ani si ahoɔden ho ka a egyina nea wɔde di dwuma nyinaa so, a ɛtaa gyina hɔ ma anyinam ahoɔden ho ka a wɔbɔ wɔ aguadi mu no fã ketewaa bi so. Wɔ adwumayɛbea ahorow a wohyia ahwehwɛde ho ka kɛse a adwumayɛ a ɛnyɛ nsakrae wom fam no, peak shaving battery mfiridwuma de ROI a eye kɛse ma.
Sikasɛm mu Mfaso ne Sika a Wɔde Toto Mu no Mfaso
Sikasɛm mu asɛm a ɛfa peak shaving battery systems ho no gyina demand charge a wɔkwati so. Aguadi ne mfiridwuma mmeae taa tua anyinam ahoɔden ho ka abien a ɛsono emu biara: ɛka a wɔbɔ wɔ kilowatt- nnɔnhwerew a wɔde di dwuma nyinaa ho, ne sika a wɔhwehwɛ wɔ kilowatt a wɔhwehwɛ kɛse ho. Bere a ɛka a wɔbɔ wɔ nneɛma a wɔde di dwuma ho no da so ara yɛ nea ɛyɛ den kakra no, ɛka a wɔbɔ wɔ nneɛma a wɔhwehwɛ ho no betumi asakra kɛse a egyina nneɛma a wɔde di dwuma a ɛkɔ soro bere tiaa bi so.
Susuw adwumayɛbea a ɛwɔ mfinimfini-sized a ɛwɔ 500 kW base load a ɛkɔ so daa a ɛtɔ mmere bi a ɛkɔ soro kodu 750 kW bere tiaa bi ho. Sɛ utility no gye $50 wɔ kilowatt biara a wɔhwehwɛ no kɛse afe biara a, saa 250 kW spike no gye $12,500 foforo afe biara-ma grid tumi nkutoo, a ɛyɛ soronko wɔ anyinam ahoɔden a wɔde di dwuma ankasa ho. Peak shaving battery nhyehyɛe a ne kɛse fata a ɛtew peak demand so kW 200 no ma wɔkora $10,000 afe biara wɔ grid ho ka nkutoo mu.
Nnwumayɛbea data kyerɛ sɛ aguadi mu peak shaving battery installations taa nya akatua wɔ mfe 3-5 mu, titiriw bere a wɔde ka ho ne nkannyan a ɛwɔ hɔ no. US Battery Energy Storage System gua a ne boɔ yɛ dɔla ɔpepepem 2.13 wɔ afe 2024 mu no, wɔhwɛ kwan sɛ ɛbɛduru dɔla ɔpepepem 7.02 wɔ afe 2029 mu, a ɛkyerɛ sɛ afe afe nkɔsoɔ a wɔaka abom yɛ 26.8%. Saa nkɔsoɔ a ɛba ntɛmntɛm yi firi sikasɛm a ɛkɔ anim kɛseɛ ɛfiri sɛ lithium-ion battery boɔ akɔ fam bɛyɛ 20% afe biara wɔ mfeɛ du a atwam no mu.
Sikakorabea ankasa gu ahorow gyina nneɛma pii so: utility rate nhyehyɛe, facility load profile nsakrae, ne battery system no kɛse. Facilities a nnesoa a ɛsakra kɛse wom no hu mfaso kɛse efisɛ peak shaving battery systems de bo a ɛsen biara ma bere a wɔda adi sɛ ahwehwɛde no sakra no. Nhwehwɛmu bi a wɔyɛe wɔ aguadifo 40 a wɔde di dwuma ho no hui sɛ batere nhyehyɛe a ne tumi yɛ pɛ mpɛn 10 a ɛkyerɛ sɛ ahoɔden betumi atew ahwehwɛde a ɛsen biara so akodu 44%, na ɛkyerɛ sɛ sikakorabea kɛse a ɛkɔ so wɔ nhyehyɛe no mfe 10-15 adwumayɛ nkwa nna nyinaa mu.
Nkabom a ɛne Ahoɔden a Wɔyɛ Foforo Nhyehyɛe ahorow
Peak shaving battery mfiridwuma nya adwumayɛ a eye sen biara bere a wɔde ka on-site renewable generation, titiriw owia photovoltaic nhyehyɛe ahorow ho. Saa nkabom yi di asɛnnennen titiriw bi ho dwuma: owia ahoɔden a wɔyɛ no kɔ soro wɔ awiabere nnɔnhwerew mu bere a na anyinam ahoɔden a wɔhwehwɛ no dɔɔso sen biara wɔ abakɔsɛm mu no, nanso nsakrae a aba kɔ anyinam ahoɔden kar ne ahoɔden a wɔyɛ no foforo a wɔkyekyɛ so no ama ahiade a ɛsen biara akɔ awiabere ne anwummere ntɛm-bere a owia ahoɔden a wɔde yɛ adwuma no so tew pɛpɛɛpɛ.
Nhyehyɛe a wɔaka abom no yɛ adwuma wɔ akwan horow pii so da mũ no nyinaa. Wɔ owia ahoɔden a ɛsen biara mu no, ahoɔden a ɛboro so no ma batere nhyehyɛe no nya ahoɔden bere a ebetumi nso de nneɛma a ɛwɔ adwumayɛbea hɔ no ma no. Bere a owia ahoɔden a wɔde yɛ adwuma no so tew awiabere nanso adwumayɛbea no ahiade da so ara yɛ kɛse anaasɛ ɛkɔ soro no, batere a wɔde yiyi ti a ɛsen biara no ma ne owia ahoɔden a wɔakora so no fi ahoɔden a ɛwɔ anyinam ahoɔden a ɛwɔ anyinam ahoɔden mu no ka ho. Eyi dan awo ntoatoaso a wɔyɛ no foforo no kɔ anim yiye wɔ bere mu ma ɛne bere a wɔhwehwɛ kɛse no hyia, na ɛma owia ahoɔden bo ne sika a wɔhwehwɛ nyinaa a wɔkora so no yɛ kɛse.
Aguadi adan a wɔde owia hann ahoɔden nhyehyɛe ne peak shaving battery storage bom bɔ amanneɛ sɛ ahoɔden ho ka so tew 60-80% sɛ wɔde toto grid-nko tebea horow ho a. Battery no trɛw owia mfaso mu kɔ akyiri sen awia hann nnɔnhwerew bere a ɛma tumi a ɛyɛ ntɛm a ehia ma wɔn ti nhwi a ɛsen biara no. Wɔ bere a grid no twa mu no, nhyehyɛe a wɔaka abom no betumi ayɛ nsupɔw so adesoa a ɛho hia, akura adwumayɛ mu denam ɔhaw a ɛtrɛw so-mfaso a ɛto so abien a ɛma nhyehyɛe no nyinaa bo yɛ kɛse.
Ɔman Ahoɔden a Wɔyɛ Foforo Nhwehwɛmubea no kyerɛ sɛ batere a wɔkora so bɛyɛ nea ɛho hia ma ahoɔden a wɔde yɛ foforo a wɔde bɛka abom efisɛ awo ntoatoaso a ɛba bere ne bere mu no yɛ grid a wɔde ma no afã akɛse. Peak shaving battery systems a wɔde asi hɔ wɔ adetɔfo mmeae no boa nsakrae yi denam ahoɔden a wɔyɛ no foforo a ɛboro so a wɔkora so bere a awo ntoatoaso boro mpɔtam hɔ ahiade so na wɔde di dwuma wɔ bere a wɔde di dwuma kɛse mu, na ɛtew ɔhaw a ɛwɔ transmission infrastructure so no so.
Nnwuma a Wɔde Di Dwuma Wɔ Nnwumayɛbea Ahorow Nyinaa Mu
Nnwumayɛbea ahorow gyina hɔ ma wɔn a wɔde peak shaving battery mfiridwuma di dwuma kɛse esiane wɔn ahoɔden a wɔde di dwuma kɛse na ɛsakra nti. Mfiridwuma mu nneɛma te sɛ dade a wɔyɛ, nnuru a wɔyɛ, ne aduan a wɔyɛ no fa nnwinnade a ɛtwetwe ahoɔden kɛse bere a wɔrefi ase ne bere a wɔde yɛ adwuma denneennen no ho. Nneɛma a wɔyɛ biako a ɛma ahoɔden no betumi ama ahwehwɛde a ɛkɔ soro a ɛyɛ kilowatt ɔhaha pii a ɛbɛkyɛ simma 15-30-titiriw araa ma ɛte sɛ nea adwumayɛ a wobegyae no nyɛ nea mfaso wɔ so, nanso ɛware a ɛbɛma afe afe ahwehwɛde ho ka akɔ soro.
Adan a wɔde di gua a HVAC nhyehyɛe akɛse wom no hyia nsɛnnennen a ɛte saa ara. Mframa a wɔde yɛ adwuma wɔ adwumayɛbea adan, aguadidan ahorow, ne ahɔhodan ahorow mu no yɛ kɛse awiabere a ɛhɔ yɛ hyew, bere a anyinam ahoɔden a wɔhwehwɛ no dɔɔso sen biara na anyinam ahoɔden bo du nea ɛsen biara no pɛpɛɛpɛ. Peak shaving battery a wɔde si saa mmeae yi taa fi 100 kWh kosi 500 kWh tumi a ɛwɔ 50 kW kosi 200 kW ahoɔden dodow, a ɛdɔɔso sɛ ɛbɛyiyi ahwehwɛde a ɛkɔ soro kɛse a enhia sɛ wɔde si hɔ akɛse a ɛnyɛ nea mfaso wɔ so.
Data centers nya mfaso titiriw fi peak shaving battery technology mu efisɛ wɔhwɛ battery ahoɔden kɛse so dedaw ma anyinam ahoɔden a entwa mu. Dual-de di dwuma akwan ma saa batere yi tumi som UPS backup ne peak shaving dwumadie nyinaa a ɛnsɛe ahotosoɔ. Nhwehwɛmu kyerɛ sɛ data centers boro wɔn ahoɔden tumi 90% a ennu 1% wɔ bere no mu, na ɛma battery ahorow a ɛwɔ hɔ ma peak shaving bere a wɔreyɛ adwuma daa bere a wɔda so ara yɛ krado ma wɔn backup dwumadi titiriw no.
Akwahosan ho adwumayɛbea ahorow ada adi sɛ beae foforo a ɛho hia a wɔde di dwuma. Ayaresabea ahorow hwehwɛ sɛ wɔyɛ oprehyɛn 24/7 a wontumi nnya ahoɔden a ɛbɛtwa mu ho abotare biara, na ɛma adwumayɛ mu adesoa a wɔsakra no ntumi nyɛ yiye. Peak shaving battery systems ma saa mmeae yi tew ahwehwɛde ho ka so bere a bere koro no ara ɛma ahoɔden a wɔde gyina ano no yɛ kɛse. Battery no tumi yɛ adwuma abiɛsa: shaving demand peaks bere a wɔreyɛ adwuma daa, ɛma backup power bere a outages, ne supporting loads bere a ntɛmpɛ.
Nsusuwii a Wɔde Di Dwuma ne Nhyehyɛe no Kɛse
Peak shaving battery system sizing a ɛfata hwehwɛ sɛ wɔyɛ nhwehwɛmu a ɛkɔ akyiri wɔ facility load profiles ne utility rate structures ho. Nhyehyɛe ahorow a ɛnyɛ kɛse no ntumi ntew nea wɔhwehwɛ sen biara so yiye, na ɛma ROI so tew. Nhyehyɛe ahorow a ɛsõ boro so no hwehwɛ sɛ wɔbɔ ka kɛse dodo a ɛtrɛw bere a wɔde tua ka no mu a ɛho nhia. Sizing a eye sen biara no kari pɛ wɔ sika a wɔde asie mfiase no mu ne sika a wɔde sie a ɛkɔ so wɔ ahwehwɛde ho ka.
Load profile nhwehwɛmu fi ase denam anyɛ yiye koraa no asram 12 ntamgyinafo data a ɛkyerɛ tumi a wɔde di dwuma wɔ simma 15 nkɔanim mu a wɔboaboa ano so. Eyi da sɛnea nneɛma a wɔhwehwɛ no te adi, ɛkyerɛ sɛnea mpɛn pii no dodow a ɛsen biara ba, na ɛkyerɛ sɛnea ahwehwɛde a ɛkɔ soro no kɛse te. Facilities a ɛwɔ base loads a ɛkɔ so daa a ɛtɔ mmere bi a ɛyɛ nnam peaks ahyɛ no agyirae no taa nya mfaso pa fi peak shaving battery systems mu sen facilities a ɛwɔ consumption nhyehyɛe a ɛnyɛ pɛpɛɛpɛ koraa.
Utility rate structure analysis kyerɛ charges pɔtee a peak shaving battery system no bɛkwati. Nnwumakuw binom a wɔde di dwuma no gyina simma 15- ntamgyinafo biako a ɛkorɔn sen biara so susuw ahwehwɛde ho ka ho wɔ ɔsram biara sikatua kyinhyia no mu. Afoforo nso de akwan a ɛyɛ den kɛse a mmere mu nsakrae anaasɛ sika a wɔbɔ wɔ bere koro mu a egyina adwumayɛbea no ahwehwɛde so wɔ nhyehyɛe no nyinaa mu grid peaks mu ka ho di dwuma. Saa rate nhyehyeɛ yi nteaseɛ na ɛkyerɛ sizing gyinaesie ne adwumayɛ ho akwan.
Battery ahoɔden a wɔhwehwɛ di akyi fi nhwehwɛmu yi mu. Adwumayɛbea a ɛrenya 200 kW ahwehwɛde a ɛtaa ba a ɛtra hɔ nnɔnhwerew 2 no hwehwɛ bɛyɛ 400 kWh a wɔde batere tumi di dwuma na ama wɔatumi asiw nea ɛsen biara no ano koraa. Nanso, ɛnsɛ sɛ batere no gyae 20% tebea a ɛwɔ charge no ase na ama akora nkwa tenten so, enti anka ɛho behia sɛ ahoɔden a wɔde ahyɛ mu no du 500 kWh. Ɛsɛ sɛ tumi dodow boro peak shaving ahwehwɛde so 10-20% na ama wɔabu tumi nsakrae a wɔhwere ho akontaa na wɔahwɛ ahu sɛ mmuae ahoɔhare a ɛfata.
System Adwumayɛ ne Adwumayɛ Metrics
Peak shaving battery systems de adwumayɛ a wotumi susuw ma denam metrics atitiriw pii so. Peak load reduction percentage kyerɛ sɛnea nhyehyɛe no tew ahwehwɛde kɛse so bere a wɔde toto mfitiasede a wɔde di dwuma ho no. Nneɛma a wɔde si hɔ a ɛdi mu no taa nya 15-25% peak reduction, a nhyehyɛeɛ a ɛkɔ anim no du 40% anaa nea ɛboro saa a egyina adesoa profile su ne battery kɛseɛ so.
Round-trip efficiency susuw ahoɔden a wɔhwere wɔ charge-discharge cycle no mu. Nnɛyi lithium-ion peak shaving battery nhyehyɛe ahorow no nya 92-95% a ɛyɛ adwuma yiye, a ɛkyerɛ sɛ ahoɔden a wɔde asie no 5-8% sɛe bere a ɔhyew bere a wɔretu sakre no. Bere a saa ahoɔden dodow yi boro akwan foforo te sɛ lead-acid battery (80-85%) so no, ɛda so ara ho hia ma sikasɛm mu akontabuo efisɛ adwumayɛbea ahorow no tua anyinam ahoɔden a wɔhwere no ho ka yiye wɔ bere a wɔde charge no mu.
Cycle nkwa na ɛkyerɛ charge-discharge cycles dodow a battery no betumi agyina ano ansa na tumi no akɔ fam asen nea mfaso wɔ so. Lithium iron phosphate batere a wɔde di dwuma wɔ peak shaving applications mu no taa de 3,000-6,000 cycles ma bere a wɔde di dwuma wɔ parameters a wɔkamfo kyerɛ mu. Sɛ yɛde sakre tu kwan da biara da a, eyi kyerɛ mfe 8-16 a wɔde yɛ adwuma. Shallow cycling trɛw nkwa tenten-discharging mu kɔ 50% pɛ tumi betumi mmɔho abiɛsa cycle nkwa sɛ wɔde toto full discharges.
System a ɛwɔ hɔ no susuw bere ɔha biara mu nkyem a peak shaving battery no yɛ adwuma sɛnea wɔayɛ no. Installation a wɔahwɛ so yie-no nya 98-99% a ɛwɔ hɔ, a bere a wɔde gyae adwuma no yɛ nsiesie a wɔahyɛ da ayɛ ne component huammɔdi a ɛntaa nsi. Saa nneɛma a ɛwɔ hɔ kɛse yi da adi sɛ ɛho hia efisɛ ɛsɛ sɛ nhyehyɛe no yɛ ho biribi wɔ ahwehwɛde a ɛsen biara a ɛba biara ho na ama wɔde sika a wɔahyɛ ho nkɔm no ama. Batere ho nhyehyɛe a ɛkɔ anim hwɛ data nsɛntitiriw mpempem pii so na ama wɔatumi ayɛ nsiesie a wɔahyɛ ho nkɔm a edi nsɛm a ebetumi aba ho dwuma ansa na ɛde nhyehyɛe no adi huammɔ.
Smart Controls ne Automation a Wɔde Di Dwuma
Intelligence layer a ɛhwɛ peak shaving battery dwumadie so no anya nkɔsoɔ kɛseɛ a ɛboro threshold-based controls a ɛnyɛ den so. Nnɛyi ahoɔden sohwɛ nhyehyɛe ahorow de mfiri adesua nhyehyɛe ahorow a ɛhwehwɛ abakɔsɛm mu adesoa nhyehyɛe mu de kyerɛ bere a ne sorokɔ bɛba a ɛyɛ pɛpɛɛpɛ kɛse ka ho. Saa nkɔmhyɛ tumi ahorow yi ma nhyehyɛe no tumi siesie ne ho ma ahwehwɛde a wɔhwɛ kwan sɛ ɛbɛkɔ soro denam hwɛ a wɔhwɛ ma batere no charge sɛnea ɛsɛ na ɛma bere a wɔde fi mu no yɛ papa no so.
Real-bere optimization algorithms kari pɛ botae ahorow pii bere koro mu. Ɛsɛ sɛ nhyehyɛe no yiyi ahwehwɛde dodow a ɛkɔ soro na ama grid ho ka so atew bere a ɛkura batere a ɛdɔɔso a wɔde sie ma nneɛma a wɔde di dwuma no nkɔanim a wɔnhwɛ kwan no. Ɛsɛ sɛ ɛne awo ntoatoaso a wɔyɛ foforo no yɛ biako bere a ɛwɔ hɔ no, na ɛde owia ahoɔden a wɔde di dwuma di kan sen anyinam ahoɔden a wɔde di dwuma wɔ anyinam ahoɔden mu bere a ɛwɔ hɔ no. Installations binom de wɔn ho hyɛ utility demand response programs a ɛhwehwɛ sɛ wɔtew adesoa so wɔ grid ntɛmpɛ mu, de layer foforo a ɛyɛ optimization complexity ka ho.
Control system no di nkitaho ne abɔnten data fibea ahorow a wim tebea ho nkɔmhyɛ, adan sohwɛ nhyehyɛe, ne nneɛma a wɔyɛ ho nhyehyɛe ka ho. Wim tebea ho nsɛm boa ma wɔkyerɛ HVAC adesoa a ɛbɛba aguadi adan so. Nneɛma a wɔyɛ ho nhyehyɛe bɔ nhyehyɛe no kɔkɔ wɔ nhyehyɛe a wɔayɛ ho nhyehyɛe sɛ wɔbɛyɛ adesoa kɛse-adesoa adwuma wɔ mmeae a wɔyɛ nneɛma. Saa nsɛm a ɛfa nsɛm a ɛfa ho yi ma nkɔmhyɛ mu pɛpɛɛpɛyɛ tu mpɔn na ɛma wotumi di batere ho dwuma a wɔyɛ no ntɛm a ɛma adwumayɛbea ahorow no kɔ fam sen nea wɔhwehwɛ sen biara bere nyinaa.
Akyirikyiri nhwehwɛmu tumi ma adwumayɛbea so ahwɛfo ne ahoɔden ho afotufo tumi di nhyehyɛe no adwumayɛ akyi fi dashboard ahorow a ɛwɔ mfinimfini. Platform no kyerɛ bere ankasa -bere ahoɔden a ɛsen, batere tebea a ɛwɔ charge, runtime a wɔahyɛ ho nkɔm, ne cumulative demand charge savings. Automated alerting bɔ adwumayɛfo amanneɛ bere a anomalies aba anaasɛ bere a ɛsɛ sɛ wosiesie daa no. Saa akyirikyiri hwɛ yi da adi sɛ ɛsom bo titiriw ma ahyehyɛde ahorow a wɔyɛ adwuma wɔ mmeae pii a wɔde batere a wɔde yiyi wɔn ti a ɛsen biara wɔ mmeae ahorow.
Nsɛm a Wɔtaa Bisa
Bere tenten ahe na peak shaving battery di wɔ bere a wɔtaa de fi mu no mu?
Bere tenten a wɔde fi batere no mu no gyina battery ahoɔden ne adesoa kɛse so. 200 kWh peak shaving battery a ɛboa 100 kW ahwehwɛdeɛ so tew no di dwuma bɛyɛ nnɔnhwereɛ 2 ansa na ɛhia sɛ wɔsan de charge. Wɔayɛ aguadi nhyehyɛe dodow no ara kɛse sɛnea ɛbɛyɛ a wobedi bere a nnipa pii wɔ hɔ a ɛkyɛ nnɔnhwerew 2-4 ho dwuma, na ɛkata awiabere a wɔtaa hwehwɛ nneɛma a wɔhwehwɛ no so. Battery management system no kɔ so hwɛ sɛnea charge no te na ɛbɛkora 10-20% capacity reserve so de akura battery akwahosan mu na ama wɔatumi ayɛ mmuae wɔ peaks foforo a wɔnhwɛ kwan ho.
So peak shaving battery betumi ne owia ahoɔden mfiri a wɔde ahyɛ mu dedaw no ayɛ adwuma?
Yiw, peak shaving battery nhyehyɛe ahorow no ne owia hann ahoɔden a ɛwɔ hɔ dedaw no bom ntɛm denam charge controllers a ɛhwɛ ahoɔden a efi mmeae pii so no so. Nhyehyɛe no de owia ahoɔden a wɔde yɛ adwuma di kan wɔ awia hann bere mu, na ɛbɔ batere a owia ahoɔden a ɛboro so wom bere a ɛde nneɛma a ɛwɔ adwumayɛbea hɔ no ma no. Sɛ owia ahoɔden a wɔde yɛ adwuma no so tew nanso nea wɔhwehwɛ wɔ adwumayɛbea hɔ no da so ara yɛ kɛse a, batere no ma owia ahoɔden a wɔakora so no fi hɔ de ka anyinam ahoɔden a ɛwɔ anyinam ahoɔden ho no ho. Saa nkabom yi ma owia ahoɔden a wɔde hyɛ mu no boɔ ne ahwehwɛdeɛ ho ka a wɔkora so no nyinaa yɛ kɛseɛ a ɛnhia sɛ wɔyɛ nsakraeɛ wɔ owia ahoɔden nhyehyɛeɛ mu.
Nsiesie bɛn na ehia sɛ wɔyɛ peak shaving battery systems?
Lithium-ion peak shaving battery systems hwehwɛ sɛ wosiesie no kakraa bi sɛ wɔde toto lead-acid a wɔde si ananmu ho a. Nhwehwɛmu a wɔyɛ no afe nkyem abiɛsa biara mu no hwɛ sɛ anyinam ahoɔden nkitahodi no da so ara yɛ den na onwini nhyehyɛe ahorow no yɛ adwuma yiye. Battery nhyehyɛe no kɔ so hwɛ nkwammoaa ankorankoro ahoɔden ne ɔhyew so, na ɛbɔ wɔn a wɔde di dwuma no kɔkɔ wɔ biribiara a ɛnteɛ ho. Afe afe ahoɔden sɔhwɛ no si so dua sɛ batere kura wɔn adwumayɛ a wɔahyɛ no agyirae. Nnwumayɛfoɔ dodoɔ no ara kamfo kyerɛ sɛ adwumayɛfoɔ dwumadie nhwehwɛmu mfeɛ 2-3 biara de hwɛ nhyehyɛeɛ no nyinaa akwahosan ne update control software. Nea ɛnte sɛ lead-acid batere no, lithium-ion nhyehyɛe ahorow no nhia sɛ wɔde nsu ka ho anaasɛ wɔde charge a ɛyɛ pɛ.
Batere a ɛbɔ ne ti nhwi a ɛsen biara betumi ayɛ ho biribi ntɛmntɛm dɛn bere a nneɛma a wɔhwehwɛ no kɔ soro no?
Nnɛyi peak shaving battery nhyehyɛe ahorow no bua wɔ 2-4 milliseconds mu bere a wɔahu ahwehwɛde a ɛboro ahyɛnsode a wɔahyehyɛ no so. Saa mmuaeɛ a ɛba ntɛmntɛm yi fi tumi ɛlɛtrɔnik mfiri a ɛkɔ so hwɛ grid nkitahodi mmeae wɔ bere a ɛwɔ sekan nketewa mu no mu. Ahoɔhare no da adi sɛ ɛho hia efisɛ ɛsɛ sɛ adwumayɛbea ahorow no tra ase wɔ ahwehwɛde a ɛsen biara a wɔde simma 15 nkɔanim a nnwumakuw a wɔde nneɛma di dwuma susuw no ase. Mmuae a ɛkyɛ betumi ama ahwehwɛde a ɛkɔ soro bere tiaa bi no akyerɛw wɔn din, na apow sikasɛm mu mfaso horow no. Nsakrae a ɛba ntɛm ara no mma adwumayɛ mu nsɛe biara mma adwumayɛbea no nnwinnade anaa nneɛma a wɔyɛ no.
Batere a wɔde sie a wɔde di dwuma wɔ ɔkwan a wɔfa so di dwuma de hwɛ ahwehwɛde a ɛsen biara so no asesa afi sɔhwɛ so akɔ nea ɛho hia titiriw so bere a ɛka so tew na nhyehyɛe ahorow a ɛfa nneɛma a wɔde di dwuma ho no retwe aso kɛse wɔ nsakrae a ɛba wɔ nneɛma a wɔde di dwuma mu no so. Ɛsɛ sɛ adwumayɛbea ahorow a wɔrehwehwɛ nhyehyɛe ahorow yi mu no hwehwɛ wɔn adesoa pɔtee ne wɔn dodow nhyehyɛe mu yiye, efisɛ sikasɛm no gu ahorow kɛse a egyina mpɔtam hɔ tebea horow so. Ahyehyɛde ahorow a wɔbɔ ka kɛse, adesoa a ɛsakra, ne adwumayɛ mu nsakrae kakraa bi no taa hu mfaso a ɛba ntɛmntɛm sen biara. Wɔ aguadi ne mfiridwuma mu adwumayɛ pii fam no, mprempren ɛnyɛ adwinnade a ɛtew ahoɔden ho ka so nko na mmom mfiridwuma a wɔde yiyi batere a ɛsen biara no nnyina hɔ mma na mmom akansi mu mfaso wɔ gua ahorow a anyinam ahoɔden ho ka nya adwumayɛ mu mfaso so nkɛntɛnso kɛse no so.