A N-gun galai shai ai ladat (PCS)gaw, utility-scale battery n-gun hpe shinggyin tawn ai ladat ni a matu galaw da ai n-gun kaba ai n-gun electronic jak langai mi re. Shi gaw wan n-gun hkrang ni hpe galai shai ya lu ai hte lahkawng maga de n-gun lwi ai hpe galaw ya lu ai, 1500V du hkra DC voltage ni hpe madi shadaw ya lu ai. PCS hpe n-gun shinggyin ai ladat ni hte bai gram lajang mai ai n-gun n-gun shapraw ai lam ni hta grai jai lang nga ai.
lapran kaw nga ai.n-gun mahkawng da ai batteryhte power grid hpe yu yang, n-gun shinggyin ai ladat hte power grid lapran wan n-gun hpe lahkawng maga hku lwi shangun ai core component rai nga ai. Dai hpe charge/discharge galaw ai aten hta AC/DC galai shai ai lam hpe atsawm sha galaw lu na matu battery hpe hkang na matu jai lang nna, bidirectional wan n-gun galai shai ai lam hte system hpe hkang ai lam a madung bungli ni hpe galaw ya ai.
PCS gara hku bungli galaw ai
PCS a madung bungli galaw ai tara gaw, wan n-gun hpe lahkawng maga hku lwi shangun nna, hkrang galai shai ai lam hpe lu la na matu re: AC hte DC maga lapran, wan semiconductor jak ni a galai shai ai hkang ai lam hku nna, grid kaw na AC wan hpe DC wan de gram lajang nna, battery hpe charge galaw ai; shing nrai, battery kaw na DC power hpe AC power de galai nna grid de bai nhtang jaw ai. Ndai lam hpe microgrid monitoring system hku nna n-gun ja ai hku hkang lu ai, dai gaw n-gun (PQ) shing nrai, n-gun (CC) ngu ai matsun ni hpe galaw lu nna, battery charge galaw ai hte n-gun n-gun shayawm ai (peak shaving hte valley filling zawn re ai) a n-gun lwi ai lam hpe hkrak hkrak hkang lu ai, dai hta n-ga, n-gun n-gun galai shai ai lam ni hpe kalang ta n-gun shayawm ya lu ai.
Power grid bungli galaw ai hta, Power hkang zing ai ladat (PCS) gaw ahkyak ai lit law law hpe gun hpai nga ai:
1. Grid bungli hpe ngang grin hkra galaw na: Grid n ngang grin ai aten hta backup power jaw ya ai, Battery Management System (BMS) hte matut mahkai ai hku nna battery hpe shim lum hkra galaw ya ai, n-gun kaba ni hpe mahkawng da ai wan jak ni hpe PCS hku nna n-gun n-gun system hpe n-gun n-gun n-rawng hkra galaw ya lu ai hte sut masa lam hpe grau kaja hkra galaw ya lu ai.
2. Battery hpe shim lum hkra galaw na: BMS hte rau bungli galaw nna, battery ni hpe shim lum ai shadawn sharam kata kaw galaw lu hkra galaw na hte grai charge galaw ai hte grai-discharge galaw ai zawn re ai tsin-yam ni hpe koi gam ai.
3. System hpe galai shai ai lam hte sut masa hpe jat ya ai: Grau nna-n-gun kaba ai n-gun shinggyin ai wan jak ni hta, PCS gaw galai shai ai n-gun system tara masa (peak shaving hte valley filling, frequency tara masa zawn re ai) hpe lu la na matu hte sut masa hpe grau kaja hkra galaw na matu ahkyak ai lam rai nga ai.
PCS a madung lam ni hte magam bungli ni
PCS (Power Control System) ngu ai hta IGBTs (Insulated Gate Bipolar Transistors), PCBs (Printed Circuit Boards) zawn re ai n-gun atsam ni hte n-gun atsam ni lawm ai. Shi a madung lam ni hte magam bungli ni gaw lawu na hte maren rai nga ai.
Bidirectional n-gun galai shai ai lam:PCS gaw direct current (DC) hpe alternating current (AC) de galai shai ya lu nna, shingdu de mung galai shai ya lu ai majaw, grid, battery ni, load ni a lapran hta n-gun lahkawng maga hku hkawm sa lu ai. Ga shadawn, n-gun shinggyin ai ladat hta, grid AC hpe DC de galai nna, off-peak hours aten hta battery hpe charge galaw ya lu ai, battery a DC hpe AC de galai nna, grid de bai n-gun jaw lu ai (sh) peak hour aten hta local loads ni hpe jaw ya lu ai.
Tengman ai Power hpe hkang lu ai:Hpaji rawng ai hkang zing ai ladat ni hku nna, PCS gaw aten dep charge hte discharge galaw ai n-gun a galu kaba ai lam hte lam hpe galai shai ya lu ai, Battery Management System (BMS) kaw na grid dispatch matsun (sh) signal ni hpe hkrak hkrak htai ya lu ai majaw, n-gun galai shai ai lam hpe hkrak hkrak hte ngang grin hkra galaw lu ai. Ga shadawn, grid load galai shai ai (sh) battery a masa hpe madung tawn nna, charge hte discharge galaw ai n-gun, voltage, frequency ni hpe dynamic hku nna galai shai ya lu ai.
Power Quality hpe grau kaja hkra galaw ai:PCS hta harmonic suppression hte reactive power compensation bungli ni nga ai, dai gaw pru wa ai n-gun hpe grau kaja hkra galaw ya lu nna, grid hpe pat shingdang ai lam hpe shayawm ya lu ai. N-gun dat shapraw ai masa nnan ni hta, nhtoi htoi ai hte nbung n-gun zawn re ai aten kadun n-gun dat npawt nhpang ni a pru wa ai n-gun galai shai ai lam ni hpe mung shim lum hkra galaw ya lu nna, n-gun dat shapraw ai n-gun hpe grau ngang grin hkra galaw ya lu nna, grid a bai gram lajang mai ai n-gun dat hpe hkap la lu ai atsam hpe grau kaja hkra galaw ya lu ai.
Mode galai shai ai hte makawp maga ai magam bungli ni:PCS gaw grid-matut da ai hte off-grid (islanding) ni lawm ai bungli galaw ai ladat law law hpe madi shadaw ya ai, ladat amyu myu lapran lawan ai hku nna n-gun n rawng ai sha galai shai lu ai. Dai hte rau, n-gun grai ja ai, n-gun grai ja ai, n-gun grai ja ai, anti-islanding zawn re ai makawp maga ladat law law hpe hpawng de da nna, n kaja ai masa (sh) n kaja ai masa ni hta shim lum ai hku galaw lu na matu, jak rung ni hkra machyi ai (sh) grid accident byin wa na hpe makawp maga ya lu ai.
Tsun ga nga yang, PCS gaw n-gun shinggyin ai lam hte n-gun htawt sit ai lam hpe matut mahkai ya ai madung hka hkin gau langai rai nna, n-gun hpe n-gun hpe n-gun n-gun hpe n-gun n-gun hte n-gun n-gun hpe atsawm sha jai lang lu ai, n-gun hpe atsawm sha jai lang lu ai, n-gun hpe atsawm sha galai shai ai hte hparan hpareng ai hku nna ngang grin ai grid bungli galaw lu ai.
PCS jai lang ai mabyin masa ni
N bung ai jai lang ai lam ni hpe madung tawn nna, PCS hpe madung daw masum hku garan mai ai: n-gun hpe shinggyin tawn ai n-gun dat jak rung ni, hpaga lam hte hpaga yumga galaw ai shara ni, hte nta gap ai shara ni. Madung shai hkat ai lam gaw power pru ai lam hta rai nga ai.
N-gun mahkawng da ai wan jak ni
Large-scale n-gun shinggyin ai n-gun dat rung ni gaw n-gun dat masa hta ahkyak ai lit law law hpe gun hpai nga ai, dai hta frequency hpe hkang ai, voltage hpe hkang ai, backup galaw ai ni lawm ai. Shanhte a PCS n-gun gaw megawatt madang (sh) dai hta jan ai de du wa nna, megawatt law law kaw nna megawatt latsa daram du hkra n-gun nga ai. Shanhte gaw system a mahtai lawan ai hte hkang zing ai lam a hkrak ai lam a matu grai ngang kang ai ra kadawn ai lam ni nga ai, n-gun kaba ai lahkawng maga de galai shai ai aten hta n-gun system hpe shim lum ai, hkrak ai, ngang grin ai hku galaw lu na matu ngang kang ai grid-matut mahkai lam hpe galai shai lu ai atsam hte multi-machine parallel coordination atsam ni hpe lu ra ai. Shanhte gaw smart grids ni hpe gawgap na matu n mai malap ai core madi shadaw ai hpung langai mi rai nga ai.
Hpaga lam hte hpaga lam a matu n-gun mahkawng da ai ladat (PCS)
Industrial hte hpaga lam hta n-gun shinggyin ai jak ni a matu n-gun n-gun gaw 50kW kaw nna 500kW du hkra rai nga ai. Hkrak ai hte galoi mung -galai shai nga ai wan n-gun hte bungli galaw ai masa ni hpe hkrum katut ai shaloi, PCS gaw 98.5% jan galai shai ai atsam hte millisecond-level fault ride-through atsam hpe lu ra ai. "Off-peak aten hta wan n-gun hpe shinggyin tawn da nna, wan n-gun law ai aten hta wan n-gun hpe jahkrat kau ai" ngu ai peak-shaving hte valley-filling ladat hpe hkrak hkrak galaw ai hku nna, hpaga lam ni a matu wan n-gun manu hpe 30%-50% daram shayawm ya lu ai. Dai hte maren, shi a grid galai shai ai lam hpe garan ginhka ai hte n-gun n rawng ai hku galai shai ai magam bungli ni gaw ahkyak ai galaw shapraw ai lam (sh) hpaga yumga galaw ai shara ni de matut manoi n-gun jaw ya lu ai, n-gun kam hpa mai ai lam hpe grai shatsaw ya lu ai hte hpaga lam a n-gun hparan hpareng ai lam hpe makawp maga ya ai wa tai wa lu ai.
Nta n-gun mahkawng da ai PCS
Nta kata na n-gun hpe shinggyin tawn ai PCS gaw 5kW kaw nna 10kW du hkra n-gun rawng ai. Shi a compact, modular design gaw nta ntsa na jan n-gun zawn re ai garan gachyan ai n-gun npawt nhpang ni hte loi loi hte jung lu na matu hte n-gun n rawng ai sha hpawng de lu na matu ahkang jaw ai. Shani aten hta jan n-gun law ai hpe mahkawng da nna, shana aten hta nta masha ni a lit ni hpe jaw ya ai hku nna, peak hte off-peak wan n-gun manu hpe hkrak sha hkye la lu ai. Dai hta n-ga, grid n-gun yawm mat ai aten hta, n-gun n-gun n-rawng ai backup power hpe jaw ya ai, refrigerator, nhtoi, matut mahkai arung arai ni zawn re ai ahkyak ai lit ni hpe matut manoi n-gun jaw ya lu ai, dai hku nna nta a matu shim lum ai hte tinang hkrai galaw lu ai microgrid hparan ladat hpe shabyin ya lu ai.