July 20, 2021
Wɔ gua ahorow a grids a entumi nnyina so mu no, dɛn nti na ɛsɛ sɛ base station biara de lead-acid battery backup kɔ? Efi utility outages kosi float standby, sɛnea backup power yɛ n’ade ankasa wɔ site no ni — ne sɛnea manufacturer a ɔwɔ chain a ɛhyɛ ne ho so koraa fi cells so kosi system integration so dan ahotoso ne service nkwa yɛ engineering gyinaesi biako.
Base station nyɛ ofie a modem wɔ mu. N’adesoa yɛ radio units, transmission equipment, nneɛma a atwa yɛn ho ahyia a wɔhwɛ so ne controller a ɛhwɛ kwan sɛ DC a ɛho tew na ɛkɔ so no afrafra. Wɔ nkurow akɛse a ɛwɔ Afrika, Asia Kesee Fam Apuei ne Latin Amerika akyi no, nneɛma a wɔde di dwuma no taa tra ase nnu ɔha biara mu nkyem 99, na bere a wɔde twa adwuma no betumi atra baabiara fi simma kakraa bi kosi adwuma da no fã kɛse no ara. Worentumi mfa diesel generator nhyɛ abantenten biara akyi: pɛtro a wowia, dede ho anwiinwii, nneɛma a wɔde kɔ baabiara a wɔhwɛ so ne ɛka a ɛyɛ mmerɛw a wɔbɔ wɔ engine nketewa mpempem pii a wɔhwɛ so ho no ma saa kwan no ntumi nkɔ so wɔ dodow mu.
Ɛno ma battery string no yɛ backup power a wɔde adi dwuma ankasa wɔ scale mu biako pɛ. Nea enti a lead-acid akura saa gyinabea yi mfe du du pii no nyɛ asɛmti akontaabu biako pɛ. Ɛyɛ nea wɔaka abom a ɛka a ɛba fam wɔ watt-dɔnhwerew biara a wɔkora so sen lithium, ɔsom nkwa a ahotɔ twam mfe anum wɔ float duty ase, ne — nea ɛho hia sen biara ma network nhyehyɛefo — huammɔdi kwan a wotumi hyɛ ho nkɔm. Tumi no yera nkakrankakra, wɔ curve a wubetumi ayɛ chart mu, sen sɛ wobɛkɔ fam a wommɔ wo kɔkɔ. Curve bi a wotumi hyɛ ho nkɔm kɔ nsiesie kalenda no mu; afiri a ɛtwa mu a ɛyɛ nwonwa kɔ nkɔnsɔnkɔnsɔn ho amanneɛbɔ no mu.
Adwene a ɛnteɛ a wɔtaa nya ne sɛ batere a ɛwɔ beae hɔ no yɛ adwuma bere a anyinam ahoɔden atɔ nkutoo. Wɔ nneyɛe mu no wɔde wɔn nkwa nna kɔ baabiara wɔ adwumayɛ akwan abiɛsa ntam. Nea edi kan ne float standby: bere a utility power wɔ hɔ no, rectifier no kura ahama no mu wɔ ahoɔden a ɛkɔ so daa a ɛma nkwammoaa no yɛ ma bere a ɛhyɛ ne ho a ɛtwetwe no mu ma nkutoo. Ɛkame ayɛ sɛ ahoɔden biara ntumi nkɔ baabiara. Nea ɛto so abien ne equalize charging: bere bi akyi wɔ float so no, controller no ma voltage no so bere tiaa bi de twe cells a ɛyɛ brɛoo sen biara no san kɔ sɛnea ɛne string no nkae no hyia, na ɛno ne nea ɛmma cell biako a ɛyɛ mmerɛw ntwe battery no nyinaa nkɔ fam. Nea ɛto so abiɛsa ne discharge support: sɛ utility power no di huammɔ a, ahama no soa beae no nyinaa kosi sɛ grid no bɛsan aba anaasɛ generator bi begye.
Sɛ wunim kyinhyia bɛn na edi tumi wɔ beae bi a, ɛsakra nkyerɛkyerɛmu no. Nameplate tumi nkutoo yɛ afiri, efisɛ tumi a wotumi de di dwuma no yɛ adwuma a ɛfa discharge rate, ambient temperature ne precision of the float voltage setting. 200Ah ahama a ɛwɔ abɔnten kabinet a ɛyɛ hyew a ɛwɔ crude charge management mu no betumi akɔ fam akodu ɔha biara mu aduɔson wɔ tumi a wɔde di dwuma no mu wɔ afe abiɛsa mu; ahama a wɔde toto ho wɔ nhyehyɛe a wɔhwɛ so yiye mu da so ara kura ɔha biara mu aduɔkron wɔ afe anum mu. Nsonsonoe no ntaa nyɛ nkwammoaa no. Ɛyɛ sɛ ebia nea ɔyɛe no de batere ho nhyehyɛe ankasa ne ɔhyew a wɔde di dwuma bɛhyɛ ade no mu, anaasɛ ogyaw saa gyinaesi ahorow no maa obiara a ɔde bɛhyɛ mu.
Site ahorow no de ahwehwɛde ahorow a ɛbɔ abira to hɔ. Nkurow akɛse mu nkwammoaa nketewa no ntumi nkɔ baabiara na ehia sɛ wɔde nneɛma a ɛyɛ den a wotumi de si rack so. Nkuraase macro sites soa nnesoa a emu yɛ duru na ehia tumi a wɔde ka sakre boasetɔ ho. Mmeae a ɛwɔ ɔhye so, nsupɔw ne anhweatam so dwen ɔhyew a ɛwɔ hɔ ne ahobammɔ a wɔbɔ wɔ ɔkwan a wɔfa so kɔ mu ho kɛse koraa. Ɔyɛfoɔ bi a ɔhyɛ adetɔfoɔ ma wɔtɔ adansiɛ ahodoɔ mmiɛnsa de kata saa ntrɛmu yi so reyɛ spare parts ahodoɔ mmiɛnsa, nteteeɛ nhyehyɛeɛ mmiɛnsa ne monitoring integration no nkyerɛaseɛ mmiɛnsa.
Battery yɛfo a FangService gyina n’akyi no de SDA10 platform biako di eyi ho dwuma. Ɛtrɛw 48V din ahama a tumi options fi 50Ah kosi 200Ah, ne rack sorokɔ fi 3U kosi 7U a ɛtɔ kɔ mainstream telecom cabinets — compact access-network dan ne saa ara nso na akɛse aggregation sites. Platform no nso boa 1C discharge a ɛkɔ so, a ɛho hia sen sɛnea ɛte. Telecom mfiri twetwe mprempren surge a ɛboro ne rated load mmɔho pii bere a wɔrefi ase ne bere a wɔresakra no; battery a entumi mfa mma no ma voltage sag, na saa sag no ma mfiri no kɔ restart loop mu. Nhyehyɛe bi a wɔahyɛ sɛ ɛbɛma nsu a ɛkɔ so 1C akɔ so no twetwe nsu a ɛreworo so no a drama biara nni mu, na esiane sɛ ne kyinhyia nkwa nna bɛyɛ batere a ɛyɛ ɔkwan biara so mmɔho abiɛsa nti, asɛnka agua no fata yiye titiriw ma mmeae a wɔtaa hu sakre a emu dɔ.
Backup power yɛ infrastructure, enti nkɔmmɔ a wɔne adetɔfo bɔ no ntɛmntɛm twa datasheet no ho. Nea ɛho hia ne sɛ ebia nea ɔyɛe no betumi akɔ so de ade no ama, wɔ ne su a ɛkɔ so daa mu, wɔ mfe pii a wɔde bedi dwuma no nkwa nna nyinaa mu. Ɔyɛfoɔ a FangService gyina n’akyi no di nkɔnsɔnkɔnsɔn a ɛtumi di ne ho so koraa firi nkwammoaa mu denam container-level system integration so, a ɛkyerɛ sɛ wɔdi tumi ne ne su so wɔ emu sene sɛ ɛbɛgyina nkwammoaa a wɔatɔ a ɛba berɛ ano so. Wɔde nea wɔde yɛ nneɛma abien no kyerɛ sɛ ɛyɛ adwumayɛbea ahorow a ɛyɛ nyansa a ɛkɔ anim wɔ ɔmantam no mu, enti nea ɛkɔ so daa no fi nhama a wɔde wɔn ankasa yɛ mu sen sɛ ebefi adwumayɛfo ahokokwaw a ɛsono wɔ nsakrae ahorow mu.
Adansedie a wɔahyehyɛ no yɛ nea ɛyɛ nokware saa ara: ISO9001 ne ISO14001 a ɛfa su pa ne nneɛma a atwa yɛn ho ahyia ho dwumadie ho, CE ne UL ma gua so kwan ne ahobanbɔ, ne UN38.3 ma akwantuo sɔhwɛ nnisoɔ a ɛkyerɛ sɛ ebia batere a wɔde mena no gyae amanneɛbɔ wɔ aman dodoɔ no ara mu. Nea ɛka ho no, nea ɔyɛ no de ne ho ahyɛ BNEF Tier 1 wiase nyinaa ahoɔden a wɔkora so ayɛfo din mu mpɛn pii na ɔne wiase nyinaa telefon so nkitahodi adwumayɛfo a wɔagye din, abantenten nnwumakuw ne nnwinnade a wɔyɛ no wɔ fekubɔ a ɛyɛ ɔkwan pa so. Sɛ wowɔ saa adetɔnfo a wɔapene so no din mu a, ɛno ankasa yɛ adanse a ɛto so abiɛsa a ɛfa adwumayɛbea akontaabu, nneɛma a wɔde kɔma ho kyerɛwtohɔ ne mmuae a wɔde ma wɔ adetɔn akyi — akuw a ɛnpue da wɔ datasheet so nanso wosi gyinae sɛ ebia rollout bi bewie wɔ bere a wɔahyɛ mu.
Sɛ wode eyi rekɔ adwuma nhyehyɛe bi mu a, adwuma abiɛsa na ɛkata asiane no mu dodow no ara so. Nea edi kan no, grade wo sites: core exchanges nya high-reliability configurations a capacity headroom, bere a edge nketewa cells nya standardized product a wubetumi ayɛ no sɛnea ɛte ntɛmntɛm. Nea ɛto so abien, kyerɛw gye a wogye tom gyinapɛn wɔ apam no mu sɛ gyinapɛn ahorow a wotumi susuw, ɛnyɛ aguadi nsɛmfua — float voltage window, discharge rate, tumi a wɔkora so wɔ ɔhyew mu, cycle count ne calibration kwan no nyinaa yɛ nea ɛwɔ annex no mu. Nea ɛto so abiɛsa no, fa mmuae bere hyɛ SLA no mu. Batere yɛ ade a wotumi de di dwuma; asɛmmisa no nyɛ da sɛ ebia ɛbɛdi nkogu anaa, na mmom bere tenten a site a adi nkogu no bɛtra ase.
Wɔ akuw a wɔpaw obi a ɔde nneɛma ma nkitahodi nhyehyɛe tiawa no, afiri kratafa a wɔde abata ho fi asɛm yi mu no de nkyerɛkyerɛmu a edi mũ ma SDA10 ntoatoaso no kyerɛ: 48V a ɛwɔ 50-200Ah akwan horow, 3U-7U rack sorokɔ, 1C a ɛkɔ so yi, bɛyɛ sɛ mmɔho abiɛsa a ɛyɛ kyinhyia nkwa nna, BMS a wɔasisi mu a SOC/SOH ne nea ɛboro so, nea ɛboro so, nea ɛboro so ne ɔhyew ahobammɔ, ne DC ɔhyew ne ɔhyew a wɔhwɛ so ma ɔhyew a ɛtrɛw adwumayɛ. Aligning specification, certification ne delivery tumi wɔ pass biako mu no gye bere pii koraa sen sampling foforo round.
Wobetumi asusuw ɛka a wɔbɔ wɔ AC a wɔbɛtwa mu wɔ base station bi ho: bere tenten a wɔde twa adwuma no a wɔde wɔn a wɔakyerɛw wɔn din a wɔakata wɔn ho no abɔ ho no ma kar a ayera ne anwiinwii dodow; sɛ ɛkanyan cascading alarm a, transport ne core networks nya twetwe kɔ mu nso. Ɔfã a ne bo yɛ den no te adwumayɛ mu — lɔre a wɔde kɔ anɔpa nnɔn abien, generator a wɔagye ne ne pɛtro, ne mmara kwan so amanneɛbɔ a edi mfomso a wɔbɔ ho amanneɛ akyi.
Ɛno nti na backup power fata n’ankasa line wɔ sikasɛm nhyehyɛe no mu: ɛnyɛ accessory na mmom variable biako pɛ a ɛkyerɛ bere tenten a wobetumi atra outage bi so. Wɔ tumi a wɔde ahyɛ mu a wɔde ama ho no, nsonsonoe a ɛda kɔbere-acid ne lithium ntam no da adi bere nyinaa wɔ mfe abiɛsa kosi anum adwumayɛ kyinhyia mu wɔ nkwa nna, ɔhyew a wotumi gyina ano ne mmɔden a wɔbɔ sɛ wobesiesie no mu. Bere a wɔatrɛw mu wɔ mfe no mu no, saa ntotoho no bɛn ɛka ankasa sen bo a wodi kan tɔ no.
Ka wo project scenario ne ahwehwɛdeɛ kyerɛ yɛn, na yɛbɛma ano aduru a ɛfata no ahyia na yɛde quote ama wɔ nnɔnhwereɛ 24 ntam.
Nya Quote a Wɔde Ma KwaSDA10 series (48V, 50-200Ah, 3U-7U), kɔ so 1C high current discharge, cycle nkwa bɛyɛ mmɔho 3 sɛ batere a ɛyɛ mpapahwekwa, built-in BMS (SOC / SOH, overdischarge / overcharge / overcurrent / ɔhyew ahobammɔ) ne DC ɔhyew + ɔhyew management, wide temperature range adaptability. Mfiridwuma nkɔnsɔnkɔnsɔn a ɛde ne ho koraa fi batere nkwammoaa so kosi nhyehyɛe a wɔde ka bom so no atwam ISO9001 / ISO14001 / CE / UL / UN38.3 adansedi. Wɔabu adwumayɛbea atitiriw abien a wɔyɛ nneɛma no sɛ adwumayɛbea ahorow a nyansa wom a ɛkɔ anim wɔ ɔmantam no mu na wɔakɔ so aka BNEF Tier 1 wiase nyinaa ahoɔden a wɔkora so no ho.
Sua lead-acid battery ano aduru a wɔde yɛ nkitahodi base stations ho ade →