A Fanga yɛlɛmani sisitɛmu (PCS)ye fanga caman fanga kuran minɛn ye min labɛnna baarakɛcogo-scale batiri fanga maracogo kama. A b’a to kuran barika cogoyaw ka yɛlɛma ani barika boli sira fila fɛ, ka DC tansɔnw dɛmɛ fɔɔ ka se 1500V ma. PCS be baara kɛ kosɔbɛ kuran maracogo la ani kuran kura bɔli la.
A be sɔrɔ .batiri min be kuran maraani kuran yɔrɔ, o ye fɛn jɔnjɔn ye min b’a to kuran be se ka yɛlɛma sira fila fɛ kuran marayɔrɔ ni kuran yɔrɔ cɛ. A be kɛ ka batiri kɔlɔsi walisa ka AC/DC yɛlɛmani kɛ ka ɲɛ charge/décharge wagati la ani a be baara jɔnjɔnw kɛ minw ye kuran fanga yɛlɛmani ye sira fila fɛ ani sisitɛmu kɔlɔsili ye.
PCS be baara kɛ cogo min na
PCS ka baarakɛcogo jɔnjɔn ye ka se ka yɛlɛma don sira fila la ani ka kuran fanga yɛlɛma cogoya la: AC ni DC fanw cɛ, fanga tilancɛ minɛnw ka yɛlɛmani kɔlɔsili sababu fɛ, AC fanga min be bɔ rɛzo la, o be latilen ka kɛ DC fanga ye walisa ka batiri charge; walima DC fanga min be bɔ batiri la, o be yɛlɛma ka kɛ AC fanga ye walisa ka segi ka don nɛgɛjuru la. O baarakɛcogo be labɛn ni fanga ye ni mikrorɛzo kɔlɔsili sisitɛmu ye, min be se ka fanga basiginin (PQ) wala fanga basiginin (CC) cikanw labato walisa ka batiri chargement ani decharge ka fanga bɔcogo kɔlɔsi tigitigi (i n’a fɔ peak shaving ani valley filling), ani o wagati kelen na, ka fanga bɔli nɔgɔya i n’a fɔ fluctua phovolics fanga yɛlɛmaniw i n’a fɔ fluctua phovolics fanga yɛlɛmaniw.
Kuran rezo baara la, Kuran kɔlɔsili sisitɛmu (PCS) be baara nafaman caaman kɛ:
1. Ka rɛzo baara basiginin sabati: Ka fanga di rɛzo basigibali wagati la, ka batiri lakana sabati kumaɲɔgɔnya fɛ ni Batiri marali Sisitɛmu (BMS) ye, ani ka fanga marayɔrɔba-se ka se ka kuran sisitɛmu sariyaw yɛlɛma ani ka sɔrɔko ɲuman sɔrɔ PCS sababu la.
2. Ka batiriw latanga: Ka baara kɛ ni BMS ye, k’a to batiriw ka baara kɛ cogo lafiyanin na ani ka faratiw bali i n’a fɔ ka charge kɛ kojugu ani ka charge kojugu-bɔ.
3. Ka sisitɛmu yɛlɛmayɛlɛmali ni sɔrɔko yiriwa: Kɛrɛnkɛrɛnninya la, kuran marayɔrɔbaw la, PCS ye sababu ye ka se ka kuran sisitɛmu yɛlɛmayɛlɛmali sariyaw sɔrɔ (i n’a fɔ nɛgɛkunbɛnnanw sɔgɔli ani kuluwow fa, yɛlɛmaniw labɛnni) ani ka sɔrɔko ɲumanya yiriwa.
PCS ka kɛcogo jɔnjɔnw n’a ka baarakɛcogow .
PCS (Système de contrôle de la puissance) be ni minan dɔw ye i n’a fɔ IGBT (Transisteurs bipolaires à porte isolées), PCBs (Corques de circuit imprimés) ani nɛgɛjuruw ni nɛgɛjuruw. A ka kɛcogo jɔnjɔnw n’a ka baara ye nin ye:
Kuran yɛlɛmani sira fila fɛ:PCS be se ka kuran tilennin (DC) yɛlɛma ka kɛ kuran yɛlɛmani ye (AC) ani o cogo kelen na, o be se ka kɛ sababu ye ka kuran yɛlɛma yɔrɔ fila la réseau, batiriw ani doniw cɛ. Ɲɛyirali fɛ, kuran marayɔrɔ dɔ la, a be se ka AC yɛlɛma ka kɛ DC ye walisa ka batiri charge lɛrɛ minw na baara tɛ kɛ -, ani ka batiri DC yɛlɛma ka kɛ AC ye walisa ka segi ka balo di rezo ma walima ka yɔrɔ ka doniw di lɛrɛ minw na baara ka ca.
Fanga kɔlɔsili tigitigi:PCS be se ka chargement ani décharge fanga bonya n’a sira yɛlɛma wagati yɛrɛ yɛrɛ la, ka jaabi tigitigi di réseau dispatch ka cikanw ma wala tagamasiɲɛw ma minw be bɔ Battery Management System (BMS) la, k’a to fanga yɛlɛmani ka ɲɛ ani ka basigi. Ɲɛyirali fɛ, a be se ka chargement ani déchargement, voltage ani frekansi yɛlɛma ka kɛɲɛ ni yɛlɛmaniw ye minw be kɛ réseau kɔnɔ wala batiri cogoya ye.
Fanga ɲumanya yɛlɛmani:PCS be ni harmoniki suppression ani reactive power compensation baarakɛcogo ye, o min be se ka bɔli fanga ɲumanya ani ka dɔ bɔ ɲɔgɔndan na réseau kɔnɔ. Kuran bɔli cogoya kuraw la, a be se ka kuran sɔrɔyɔrɔw ka bɔli yɛlɛmaniw fana nɔgɔya i n’a fɔ fotovoltaiki ni fiɲɛ, ka kuran bɔli kurun sabati ani ka rɛzo ka setigiya fisaya ka sɔn kuran kura ma.
Mode yɛlɛmani ani latanga baarakɛcogow:PCS be baarakɛcogo caaman dɛmɛ, i n’a fɔ grid-connected ani off-grid (islanding), ani a be se ka yɛlɛma joona ani cogo si la. O wagati kelen na, a be latangacogo caaman don a la i n’a fɔ tansɔn caman, kuran caman, funteni caman, ani anti-islanding walisa ka sisitɛmu baarakɛcogo lafiya ni jurumuw wala cogoya juguw la, ka minanw tiɲɛni bali wala kasaara minw be kɛ réseau kɔnɔ.
A ka surun, PCS ye pon jɔnjɔn ye min be kuran marali ni kuran lase ɲɔgɔn na, min be kuran cicogo nɔgɔya, ka baara kɛ n’a ye cogo ɲuman na, ani ka rɛzo baara basiginin kɛ kuran yɛlɛmani n’a maracogo ɲuman ani hakiliman fɛ.
PCS baarakɛcogo
Ka kɛɲɛ ni baarakɛcogo suguya caaman ye, PCS be se ka tilan yɔrɔ saba la: kuran marayɔrɔw, izini ni jagokɛyɔrɔw, ani sigiyɔrɔw. Danfara min be u ni ɲɔgɔn cɛ, o ye fanga min be bɔ.
Kuran marayɔrɔw
Kuran marayɔrɔba-ba be baara nafaman caaman kɛ kuran sisitɛmu kɔnɔ, i n’a fɔ frekansi labɛnni, tansɔn labɛnni ani yɛlɛmani. U ka PCS fanga ka teli ka se megawati hakɛ ma wala a ka ca n’o ye, ani a ka setigiya be daminɛ megawati caaman na ka taga se megawati kɛmɛ caaman ma. U ka laɲiniw ka gwɛlɛ ka ɲɛsin sisitɛmu ka jaabi teliya n’a ka kɔlɔsili tiɲɛtigiya ma, ani u ka kan ka kɛ ni grid-ɲɔgɔndanko barikaman ye ani multi-masini paralɛli koordinasiyɔn setigiya ye walisa ka latanga, ka baara kɛ ka ɲɛ ani ka basigi fanga sisitɛmu yɛlɛmaniba wagati la. U ye dɛmɛbaga jɔnjɔn ye min tɛ se ka bɔ yen ka ɲɛsin smart grids lɔli ma.
Liziniw ni jagokɛyɔrɔw ka kuran maracogo (PCS)
Fanga min be sɔrɔ izini ni jagokɛyɔrɔw ka kuran marayɔrɔw la, o ka ca a la, o be daminɛ 50kW la ka taga se 500kW ma. Ka ɲɛsin kuran doni ni baarakɛcogo gɛlɛnw ma ani minw be yɛlɛma tuma bɛɛ, PCS ka kan ka kɛ ni yɛlɛmani ɲuman ye min ka ca ni 98,5% ye ani milisekɔndi-nivo ka jurumu boli-ka tɛmɛ setigiya fɛ. Ni an ye peak-shaving ani valley-fa fɛɛrɛ dɔ kɛ tigitigi min ye "kuran mara wagati minw na mɔgɔw tɛ baara kɛ ani ka bɔ baara wagati la," o be kuran musakaw dɔgɔya kosɛbɛ jagokɛlaw fɛ ni 30%-50% ye. O wagati kelen na, a ka réseau fluctuation isolation ani seamless switching baarakɛcogo b’a to kuran be to ka sɔrɔ baarakɛyɔrɔw la walima jagokɛyɔrɔw la, o be kuran lafiya sabati kosɔbɛ ani ka kɛ baarakɛyɔrɔw ka kuran marali kɔrɔsibaga ye.
Sibonw ka kuran marayɔrɔ PCS
Sibonw ka kuran mara PCS ka fanga be daminɛ 5kW la ka taga se 10kW ma. A ka baarakɛcogo ka surun ani a be se ka kɛ modɛli dɔw ye, o b’a to a be se ka don nɔgɔman na ani a be se ka don ɲɔgɔn na cogo ɲuman na ni kuran sɔrɔyɔrɔw ye minw tilannin lo i n’a fɔ tile barika min be bɔ sanbon kan. Ni tile barika tɔɔ marara tilefɛ ani ka so kɔnɔ doniw di sufɛ, o be kuran musakaw bɔ minw ka ca ani minw tɛ -kuran musakaw la. Ka fara o kan, a be kuran di min tɛ gɛlɛya lase mɔgɔw ma n’u ka rɛzo tigɛra, a be to ka kuran di doni gwɛlɛw ma i n’a fɔ frigow, yeelenbɔlanw ani kumaɲɔgɔnya minanw, o cogo la, a be rɛzo mikororɛzi fɛɛrɛ dɔ labɛn soo kama min be se ka latanga ani min be se ka baara kɛ a yɛrɛ ma.