Cell-Level vs. String-Level Battery a Wɔhwɛ So: Nea Ɛhe Na Wuhia?

Batere hama betumi ayɛ te sɛ nea ɛte sɛ nea ɛte bere mpo a cell anaa block biako afi ase resɛe no. Eyi ne nsonsonoe titiriw a ɛda cell-level battery monitoring ne string-level battery monitoring ntam: biako kyerɛ battery biara tebea, bere a ɔfoforo no kyerɛ sɛnea wɔaka abom wɔ string mũ no nyinaa mu.

Nhwehwɛmu ahorow abien no nyinaa ma wonya nsɛm a mfaso wɔ so, nanso wobua nsɛmmisa ahorow a ɛfa nsiesie ho. Saa akwankyerɛ yi kyerɛkyerɛ nea ɔkwan biara susuw, mfomso ahorow a ebetumi ada no adi, ne sɛnea wɔbɛpaw nhyehyɛe a ɛfata a wɔde hwɛ nneɛma so ama UPS nhyehyɛe, substations, telecom mmeae, akwantu ntam nkitahodi, ne mfiridwuma mu ahoɔden a ɛho hia a wɔde di dwuma.

Dɛn ne String-Level Battery a Wɔhwɛ So?

String-level battery monitoring susuw anyinam ahoɔden nneyɛe a ɛwɔ battery string a wɔaka abom a edi mũ no mu. Ɛdenam nhyehyɛe no nhyehyɛe so no, ebetumi ahwɛ:

• Total ahama ahoɔden
• Charge ne discharge mprempren
• Float mprempren
• Ripple mprempren ne ripple ahoɔden
• Ɔhyew a atwa yɛn ho ahyia ne ɔhyew a ɛwɔ hɔ
• Insulation anaasɛ leakage tebea horow
• Discharge bere tenten ne string-level nsɛm a esisi

Saa nsɛm yi boa wɔn a wɔyɛ adwuma no ma wohu sɛ ebia charger ne battery string no reyɛ adwuma wɔ baabi a wɔhwɛ kwan no anaa. Ebetumi ahu tebea horow te sɛ total voltage a ɛnteɛ, discharge a wɔnhwɛ kwan, current a ɛboro so, charger haw, anaa string a ɛnkyɛ current yiye ne parallel strings.

Nanso, string-level monitoring ntaa nhu batere ankorankoro bɛn na ɛde nsakrae no bae. Ebia mfiridwumayɛfo bi nim sɛ ahama no wɔ ɔhaw bi nanso ɛda so ara hia sɛ wɔde nsa susuw na ama wɔahu nkwammoaa anaa block a ɛka no.

Dɛn Ne Cell-Level Battery a Wɔhwɛ So?

Cell-level battery monitoring de ankorankoro sensor anaa susudua kwan di dwuma ma cell anaa battery block biara. Ɛdenam batere no mu nnuru ne ano aduru a wɔapaw so no, nhyehyɛe no betumi akyerɛw:

• Ankorankoro cell anaa block voltage
• Mfinimfini mu ahoɔden a ɛko tia anaasɛ impedance
• Battery terminal no hyew
• Nkitahodi anaasɛ nkwammoaa ntam a ɛko tia
• Electrolyte level ma batere a nsuyiri a ɛboa
• Tebea horow a ɛma nsu a ɛtwetwe nsu
• Abakɔsɛm mu nkɔso ne twe a wɔtwe wɔn ho fi batere afoforo a ɛwɔ ahama no mu ho

Sɛ́ anka ɛbɛda botae biako pɛ adi ama ahama a edi mũ no, batere a ɛwɔ cell-level battery monitoring system kyerɛ sɛnea battery biara reyɛ n’ade. Eyi ma ɛyɛ mmerɛw sɛ wubehu nkwammoaa a ɛyɛ mmerɛw, ɔhyew a ɛnteɛ, ahoɔden a ɛko tia a ɛkɔ soro, ahoɔden a ɛnkari pɛ, anaa nkitahodi ho haw ansa na ada adi wɔ ahama gyinabea.

Nea Enti a Normal String Voltage Betumi Asie Batere a Ɛyɛ Mmerewa

Wɔ batere nhama a wɔde abɔ mu nnidiso nnidiso mu no, ahoɔden a ɛwɔ mu nyinaa yɛ batere ahoɔden ankorankoro nyinaa nyinaa a wɔaka abom. Sɛ batere biako wɔ ahoɔden a ɛnteɛ a, batere afoforo ne charger no betumi atua ka bere tiaa bi, na ama ahama ahoɔden nyinaa akɔ baabi a ɛda adi sɛ wogye tom.

Sɛ nhwɛso no, charger no betumi akura float voltage a wɔhwɛ kwan no nyinaa mu bere a blocks ankorankoro yɛ adwuma wɔ voltage ahorow mu no. Ebia batere biako ntumi nnya ahoɔden pii bere a foforo nso wɔ float voltage a ɛkorɔn mu. Ahama akenkan a edi mũ no nkutoo nkyerɛ saa nkyekyɛmu yi.

Anohyeto koro no ara bɛyɛ nea ɛho hia titiriw bere a wɔayi no afi ayaresabea hɔ no. Battery a ɛyɛ mmerɛw sen biara no betumi adu ne ahoɔden a ɛba fam tebea mu ntɛm sen ahama no nkae no, na ɛto batere bank no nyinaa adwumayɛ a wotumi de di dwuma no ano hye ɛwom mpo sɛ sɛ wɔkyekyem pɛpɛɛpɛ a, batere no da so ara te sɛ nea ɛwɔ ahoɔden de.

Cell-Level vs. String-Level Battery a Wɔhwɛ So

Nsusuwii Ho Nsusuwii

String-level monitoring ma string a edi mũ no ho hwɛbea biako a wɔaka abom. Cell-level monitoring ma wonya cell anaa block biara a wɔhwɛ so no ho adwene a ɛyɛ soronko.

Mfomso a Wohu

String-level monitoring betumi ahu voltage, current, discharge, charge, ne nneɛma a atwa yɛn ho ahyia a ɛnyɛ ne kwan so nyinaa. Cell-level monitoring betumi ada nsonsonoe adi bio wɔ batere ankorankoro ntam, a nea ɛka ho ne voltage deviation, resistance a ɛkɔ soro, ne localized temperature a ɛkɔ soro.

Mfomso Beae

Alarm a ɛwɔ ahama so kyerɛ sɛ ɛho hia sɛ wɔyɛ nhwehwɛmu foforo. Alarm a ɛwɔ cell-level betumi ahu baabi a ɛka no, ahama, ne batere no gyinabea, na aboa akuw a wɔhwɛ so no ma wɔahu ɔhaw no ntɛmntɛm.

Abakɔsɛm mu Nhwehwɛmu

String trends kyerɛ sɛnea battery bank mũ no nyinaa yɛ n’ade bere tenten. Nkɔso a ɛkɔ so wɔ nkwammoaa mu no ma wɔn a wɔde di dwuma no tumi de batere biako toto ne mfiase ne batere a ɛbemmɛn a ɛwɔ hama koro no ara mu ho.

Installation ne Data a Wɔhwehwɛ

String-level nhyehyɛe ahorow taa hwehwɛ sɛ wɔsusuw mmeae kakraa bi, nhama kakraa bi na wɔde hyɛ mu, na wɔmfa data pii nsie. Cell-level nhyehyɛe ahorow hwehwɛ sɛ wɔde sensor afoforo, adwuma a wɔde hyehyɛ mu, addressing, nkitahodi, ne data sohwɛ, nanso ɛma wonya nsɛm a ɛkɔ akyiri a wɔde hwehwɛ yare mu.

Nnwuma a Ɛfata Yiye

String-level monitoring betumi afata ama mfitiaseɛ hwɛ anaa asiane a ɛba fam installations. Cell-level monitoring fata yie ma application a ɛho hia anaa akyirikyiri a battery baako a ɛdi nkoguo bɛtumi aka ɔsom a ɛkɔ so, ahobanbɔ, anaa ntɛmpɛ ho mmuaeɛ.

Ɔhaw Bɛn na Monitoring Level Biara Betumi Hu?

Ɔhaw ahorow a Wohu wɔ String Level

• Abnormal total ahama ahoɔden
• Charging anaasɛ dischargeing current a wɔnhwɛ kwan
• Battery ahama biako a edi mũ a ɛyera
• Mprempren kyɛfa a ɛnteɛ wɔ nhama a ɛne ne ho di nsɛ ntam
• Ripple current anaa voltage a ɛboro so
• Pia mu hyew anaa ɔhyew a ɛnyɛ ne kwan so
• String discharge nsɛm a esisi ne bere tenten

Ɔhaw Ahorow a Wɔahu Yiye wɔ Nkwammoaa Gyinabea

• Cell anaa block biako a float voltage a ɛnteɛ wom
• Nkɔanim wɔ emu resistance anaasɛ impedance
• Batere a ɛma ɔhyew sen batere a ɛbemmɛn no
• Voltage a ɛnkari pɛ wɔ ahama no mu
• Battery a ɛyɛ mmerɛw a edu low voltage ntɛm bere a ɛrepue
• Nkitahodi a ɛyɛ mmerɛw anaasɛ ɛresɛe
• Nkitahodi a ɛyera ne batere sensor ankorankoro bi

Nsusuwii biako biara nni hɔ a ɛkyerɛ sɛnea batere tumi tumi yɛ adwuma anaasɛ nkwa nna a aka. Ɛsɛ sɛ wɔde abakɔsɛm mu nsɛm a ɛkɔ so, nhwehwɛmu, wɔn a wɔyɛ no nyansahyɛ, ne tumi sɔhwɛ a ɛfata ka voltage, resistance, temperature, ne current ho hwɛ.

Nea Enti a Tumi Nhyehyɛe a Ɛho Hia Ta Hia Nneɛma Abien no Nyinaa

Ɛnsɛ sɛ wɔfa cell-level ne string-level monitoring sɛ mfiridwuma a ɛne wɔn ho wɔn ho di akan. Battery monitoring architecture a edi mũ a egyina hɔ no taa ka wɔn bom.

Sensor ahorow ankorankoro susuw battery-level voltage, resistance, ne temperature. String device susuw voltage ne current nyinaa. Controller anaa gateway boaboa data no ano, de alarm logic di dwuma, sie abakɔsɛm kyerɛwtohɔ ahorow, na ɛde nsɛm kɔ mpɔtam hɔ interface anaa centralized management platform so.

Saa nhyehyeɛ a wɔaka abom yi ma adwumayɛfoɔ tumi bua nsɛmmisa ahodoɔ mmienu:

• Dɛn na ɛrekɔ so wɔ batere nhyehyɛe no so? String-level voltage ne current kyerɛ adwumayɛ mu adeyɛ no nyinaa.
• Battery bɛn na ɛsɛ sɛ wɔde adwene si so? Cell-level data kyerɛ battery a ɛnyɛ ne kwan so ne nea ɛrekɔ so.

Bere bɛn na String-Level Monitoring Fata?

Wobetumi asusuw string-level monitoring ho bere a:

• Batere a wɔde ahyɛ mu no sua na ɛnyɛ den sɛ wode nsa bɛhwɛ mu
• Adesoa a wɔabɔ ho ban no wɔ nea efi huammɔdi mu ba a ɛba fam
• Ahwehwɛde titiriw ne sɛ wobehu charge, discharge, ne string tebea nyinaa
• Adwumayɛfo a wɔatete wɔn betumi asusuw ankorankoro batere mpɛn pii
• Dwumadie no yɛ mfitiaseɛ nhwehwɛmu fã a ɛwɔ nhyehyɛeɛ a wɔakyerɛkyerɛ mu ama daakye ntrɛmu

Wɔ saa dwumadie yi mu mpo no, ɛda so ara hia sɛ wɔsusu cell anaa block bere ne bere mu. Ɛnsɛ sɛ wɔkyerɛ ahama a wɔhwɛ so ase sɛ ɛyɛ si so dua sɛ batere biara a ɛwɔ ahama no mu no wɔ apɔwmuden.

Bere Bɛn na Wɔkamfo Sɛ Wɔhwɛ Batere a Ɛwɔ Cell-Level So?

Nkwammoaa mu nhwehwɛmu so wɔ mfaso titiriw bere a:

• Battery no boa data center, substation, telecom network, keteke kwan, wimhyɛn gyinabea, ayaresabea, ngo ne gas adwumayɛbea, anaa adesoa foforo a ɛho hia
• Instɔlehyɛn no kura nhama atenten anaa nhama pii a ɛne ne ho di nsɛ
• Mmeae a nnipa nni hɔ, ɛwɔ akyirikyiri, anaasɛ ne bo yɛ den sɛ wobɛkɔ hɔ
• Ɛsɛ sɛ akuw a wosiesie batere no hu batere pɔtee a ɛbata alarm ho
• Abakɔsɛm mu nsɛm ho hia na wɔde asiesie a egyina tebea so
• Ɛsɛ sɛ wɔde battery hyew ne emu ahoɔden a ɛko tia no toto ho
• Adwumayɛfoɔ no hia sɛ wɔhwɛ so wɔ mmeaeɛ ahodoɔ pii
• Ɛsɛ sɛ wɔkyerɛw sɛnea batere no yɛ adwuma bere a ɛretu ankasa anaa nea wɔayɛ ho nhyehyɛe no

Mfaso a ɛwɔ cell-level monitoring so no kɔ soro bere a battery a wɔde si hɔ no ho hia, ɛyɛ kɛse, ɛwɔ akyirikyiri, na ɛyɛ den sɛ wosiesie no.

Nhwɛso ahorow a Wɔde Di Dwuma

Data Centers ne UPS Nhyehyɛe ahorow

String voltage ne current si charging anaa discharge event no nyinaa so dua, bere a cell-level data boa ma wohu 12V block a ɛyɛ mmerɛw ansa na aka UPS runtime. Sɛ wode DCIM anaa network management platform bɛka abom a, ɛbɛtumi de alarm ne amanneɛbɔ akɔ baabiara.

Tumi a Wɔde Di Dwuma ne Substations

Substation DC nhyehyɛe ahorow no betumi akura 2V lead-acid anaa 1.2V Ni-Cd nkwammoaa pii. Cell-level monitoring boa voltage ne temperature ntotoho wɔ bank no nyinaa so, bere a string-level current ne voltage kyerɛ charger ne DC system suban.

Telefon so nkitahodi ho nhyehyɛe

48V telecom mmeae a ɛwɔ akyirikyiri no nya mfaso fi cell-level fault localization mu efisɛ nsrahwɛ a wɔde siesie no gye sika pii. String susudua ma wotumi hu charge ne discharge events, bere a centralized software boa akuw ma wɔde mmeae a ɛsɛ sɛ wɔde adwene si so di kan.

Transportation ne Mfiridwuma Ho Nneɛma a Wɔde Yɛ Adwuma

Keteke, wimhyɛn gyinabea, ngo ne gas, ne mmeae a wɔyɛ nneɛma betumi de batere a wɔakyekyɛ pii adi dwuma. Sɛ wɔde level abien no nyinaa bom a, ɛboa akuw a wɔhwɛ nneɛma so ma wodi nsɛm a esisi wɔ nhyehyɛe no nyinaa mu ho dwuma a wɔhwere sɛnea wotumi hu batere ankorankoro.

Monitoring Nsi Tumi Sɔhwɛ ananmu

Cell-level monitoring ma wotumi hu ade yiye, nanso ɛnsusuw ampere-hour tumi a wotumi de di dwuma wɔ battery bank mũ no nyinaa mu no tẽẽ. Mfinimfini ahoɔden a ɛko tia ne ahoɔden a ɛkɔ so no betumi aboa ma wɔahu batere a ɛsɛ sɛ wɔyɛ mu nhwehwɛmu, bere a sɔhwɛ a wɔyɛ no yiye a ɛma batere no fi mu no hwɛ sɛ batere no tumi gyina adesoa pɔtee bi so wɔ tebea horow a wɔakyerɛkyerɛ mu mu.

Wɔ dwumadie a ɛho hia ho no, ɛsɛ sɛ nsiesie nhyehyɛeɛ no ka nhwehwɛmu a ɛkɔ so, nhwehwɛmu a wɔde aniwa hu, nkitahodiɛ mu nhwehwɛmu, akwankyerɛ a wɔde ma wɔn a wɔyɛ, ne tumi a wɔahyɛ da ayɛ ho adansedie bom.

Sɛnea Wobɛpaw Monitoring Architecture a Ɛfata

Ansa na wobɛpaw nhyehyɛe bi no, boaboa adwuma no ho nsɛm a edidi so yi ano:

1. Kyerɛ dwumadie ne nea ɛfiri batere a ɛdi huammɔ mu ba.
2. Si battery chemistry, nominal voltage, tumi, ne nea ɔyɛe no so dua.
3. Kyerɛw nkwammoaa anaa block dodow a ɛwɔ ahama biara mu.
4. Kyerɛw nhama dodow ne sɛ ebia ɛyɛ adwuma wɔ bere koro mu anaa.
5. Kyerɛkyerɛ cell-level ne string-level parameters a wɔhwehwɛ.
6. Kyerɛkyerɛ wɔn a wogye alarm ne bere a wɔhwehwɛ sɛ wɔyɛ ho mmuae.
7. Si nkabom ahwehwɛdeɛ te sɛ Modbus, SNMP, MQTT, anaa IEC 61850 so dua.
8. Hwɛ sɛ ebia ɛsɛ sɛ nhyehyɛe no boa daakye ntrɛwmu anaasɛ mmeae pii.

Wɔ tumi a wɔde si hɔ a ɛho hia pii mu no, nhyehyɛe a mfaso wɔ so sen biara no nyɛ cell-level anaa string-level monitoring. Ɛyɛ nhyehyɛe a wɔaka abom a ɛde abien no nyinaa di dwuma.

Nsɛm a Wɔtaa Bisa

So cell-level battery monitoring ye sen string-level monitoring?

Cell-level monitoring ma mfomsoɔ a wɔhunu ne localization a ɛkɔ akyiri, nanso string-level voltage ne current da so ara ho hia na ama wɔate battery dwumadie nyinaa ase. Mpɛn pii no, nhyehyɛe ahorow a ɛho hia nya mfaso fi nsɛm abien no nyinaa a wɔde bɛka abom no mu.

So string voltage betumi ahu batere a ɛyɛ mmerɛw?

Ɛnyɛ nea wotumi de ho to so. Ebia nhama ahoɔden nyinaa bɛkɔ so ayɛ nea wɔhwɛ kwan bere a batere biako nyɛ nea ɛfata no. Ankorankoro voltage, resistance, temperature, ne discharge trends ma wonya nsɛm a mfaso wɔ so kɛse a wɔde behu baabi a battery a ɛyɛ mmerɛw.

Dɛn na batere a ɛwɔ nkwammoaa mu a wɔhwɛ so no susuw?

Ɛgyina batere no su ne nhyehyɛe so no, ebetumi asusuw ankorankoro ahoɔden, emu ahoɔden a ɛko tia anaa nea ɛko tia, ɔhyew, nkitahodi a ɛko tia, electrolyte dodow, ne tebea a ɛtwetwe.

So batere biara hia n’ankasa sensor?

Nkwammoaa mu nhyehyɛe pii de sensor biako di dwuma ma nkwammoaa anaa block biara. Ebia architecture afoforo de multi-channel measurement modules bedi dwuma. Sɛnea wɔayɛ no yiye no gyina batere ahoɔden, nnuru, batere dodow, ne nneɛma a wɔhwehwɛ so.

So cell-level monitoring betumi akyerɛ bere pɔtee a battery no bedi dwuma?

Parameter biako biara nni hɔ a wɔhwɛ so a ebetumi ahyɛ bere pɔtee a wɔde bedi dwuma ho bɔ. Nhwehwɛmu kyerɛ adwumayɛ tebea ne sɛnea nneɛma asɛe, bere a ɛsɛ sɛ wɔfa sɔhwɛ a ɛfata a wɔde yi nneɛma gu so di tumi anaa bere a wɔde tu mmirika a ɛwɔ hɔ no ho adanse.

So wobetumi de cell-level data abɔ SCADA anaa DCIM ho?

Aane. Controller anaa gateway betumi aboaboa ankorankoro battery ne string data ano na ɛde susuw ne alarm ahorow a wɔapaw no akɔ denam protocol ahorow a wɔboa so. Ɛsɛ sɛ wɔsi nhyiamu ne data-point list a wɔhwehwɛ no so dua bere a wɔreyɛ nhyehyɛe no.

Yɛ Battery Monitoring Solution a Edi Mu ne DFUN

DFUN de cell-level ne string-level battery monitoring solutions ma data centers, anyinam ahoɔden nnwuma, telefon so nkitahodi, akwantuo, ne mfiridwuma mu ahoɔden nhyehyɛeɛ a ɛho hia. Nsiesiei a ɛwɔ hɔ no boa ankorankoro batere sensor ahorow, ahama susuw, abakɔsɛm mu nkɔso, alarm a wotumi hyehyɛ, centralized management, ne nkabom ne mfiridwuma protocol ahorow a wɔtaa de di dwuma.

Fa wo battery chemistry, cell anaa block voltage, battery dodow, nhama dodow, ne nkitahodi protocol a wɔhwehwɛ no mena DFUN. Yɛn mfiridwuma kuw no betumi aboa ma wɔayɛ nhyehyɛe a wɔde hwɛ nneɛma so a ɛfata wo application no.