Wan hte n-gun hpe mahkawng da ai ladat

AGC (Automatic Guided Vehicle) garum ningtum magam bungli ni hpe jaw ya ai madung frequency tara masa arung arai hku nna, thermal power unit ni gaw, hkra machyi ai lam law law hpe hkrum sha nga ai: mahtai jaw ai aten galu (galaw madang hku nna second shi daram laman); n-gun shayawm ai n-gun (thermal power unit ni a matu masat da ai n-gun 3% hta n jan ai); hte n kaja ai tara masa hkrak ai lam (thermal power unit ni a matu ahkang jaw da ai n bung ai lam gaw rated power a 1% re).

Raitim, bungli galaw ai .battery n-gun mahkawng da ai ladat niAGC matsun ni hpe htai na matu thermal power unit ni hte rau jawm galaw ai shaloi, n-gun shinggyin ai ladat ni a akyu ara ni hpe hkum tsup hkra jai lang lu ai: mahtai jaw ai aten kadun (<100ms), fast regulation rate (regulation time from no-load to full-load less than 20ms), and high regulation accuracy. This improves the overall regulation performance index K of the unit while avoiding the need for large-capacity energy storage systems, enabling the project to achieve better economic benefits.

Kahkyin gumdin ai nbung hte n-gun hpe mahkawng da ai frequency tara masa a madung tara ni hte ladat:

Lahta na ladat kaw na mu lu ai hte maren, BESS a n-gun kaba dik htum gaw AGC matsun hte thermal power unit a ya na n-gun lapran na shai hkat ai lam rai nga ai. Performance ra ai lam gaw, n-gun kaba ai-, lawan ai, hte hkrak ai tara masa hpe ahkyak shatai nna, atsam ra ai lam gaw shadawn sharam sha rai nna, n-gun-type BESS application langai mi hpe shabyin ya ai. BESS a atsam hte n-gun atsam hpe grid frequency hte dai ginra hta nga ai control error signal a galai shai ai atsam ni hpe madung tawn nna, theoretical hku nna kaja dik htum hkrang shapraw lu tim, lit galai shai ai lam ni a akyu hpe tup hkrak myit yu yang, grid AGC hpe shabra ai npawt tara ni, sut masa akyu ara ni hpe grau kaja hkra galaw ai shaloi, ya aten na hkrang shapraw ai lam law malawng gaw pa AGC matsun ni hpe, AGC dat dat ai matsun ni hpe 90% jan hpe tsep kawp hkan tam na matu shakut nna, bungli galaw ai aten hta, battery SOC hpe 50% grup yin hta tawn da na matu shakut nga ai.

Dai hta n-ga, thermal power unit a n-gun galai shai ai n-gun kaba dik htum gaw minit mi hta 3%P re ngu ai hpaji masa ra kadawn ai lam hpe madung tawn nna, AGC matsun galai shai ai lam ni gaw minit mi-by-minute cycle hta law malawng byin ai majaw, 2C n-gun shinggyin ai ladat hpe rathermals power of the P power hta 3% grau law ai.

Madung tara hpe sumla hta madun da ai.

N-gun hte n-gun hpe shinggyin la lu ai ladat ni hpe kahkyin gumdin ai hta, BESS (Boiler Energy Storage System) grid matut mahkai ladat ni gaw, madung hku nna lahkawng hku garan nna, langai gaw, ya nga ai plant karum shingtau transformer a law htum n-gun hpe jai lang nna, secondary voltage booster hku nna, generator pru ai shara de matut mahkai ai;

 

kaga langai mi gaw, n-gun shinggyin ai ladat hpe generator pru ai shara de hkrak matut mahkai na matu, shanglawt ai step-up transformer hpe gram lajang da ai. Ndai matut mahkai ladat lahkawng yan gaw, ya nga ai nbung n-gun jak ni, madung galai shai ai jak ni, boiler actuator ni, karum shingtau ai jak ni hpe shim lum ai hku galaw lu na matu, line short-circuit atsam hte harmonic galai shai ai lam ni hpe myit maju jung ra ai. Ya aten hta, plant karum transformer matut mahkai ai masing hpe grau nna jai lang nga ai.

Matut mahkai lam hte hkang zing ai lam hte seng nna, RTU (Remote Control Unit) hte DCS (Distributed Control System) lahkawng yan hpe dai hte maren galai shai ra ai, sumla hta madun da ai hte maren.

Ndai jak a hpaji masa hpe gram lajang ai lam hte madung bungli ni gaw:

RTU (Regional Unit) gaw BESS (Balanced Energy Storage System) ngu ai n-gun shadawn shadang hpe jat bang na rai nna, dai hpe n-gun dat pru ai shadawn shadang manu ni hte hpaw nna, AGC (Automatic Gain Control) jep joi ai lam a npawt nhpang hku nna n-gun dat dat ai shara de htawt sit ya na re. BESS hte matut mahkai lam nnan langai hpe hpaw nna, AGC matsun ni hpe garan jaw na matu hte, ra ai hku nna, hpawng de da ai nbung n-gun hte n-gun shinggyin ai ladat a pru wa ai lam hte masa lam ni hpe BESS de htawt sit ya na rai nna, AGC tara masa galaw ai lam index K hpe shawng nnan jep joi ai lam hte buga ginra hta akyu hkam sha ai lam ni hpe jep joi ai lam galaw na re.

DCS (Distributed Control System) gaw BESS hte matut mahkai lam nnan hpe hpaw nna, AGC matsun ni hpe, wan jak pru ai lam hpe bai htang ai lam, wan jak a tengman ai n-gun hpe madun ai masat kumla ni, wan jak AGC hpe shamu shamawt ai lam hpe bai htang ai lam, wan jak a shawng nnan na frequency tara masa galaw ai masat dingsat ni, wan jak pru ai shadawn shadang, wan jak a tara masa shadawn sharam ni hpe htawn tsun na re.

 

BESS gaw, AGC matsun ni hte generator unit a real-time output hpe madung tawn nna, n-gun shinggyin ai system battery a SOC hte hpaw nna, n-gun shinggyin ai system a matu power command ni hpe gawgap nna, sumla hta madun da ai hte maren, n-gun hpe lawan ai hku hkang lu na matu galaw ai.

 

Hkrang: BESS karum AGC hkang ai wa

Kahkyin gumdin ai nbung hte n-gun shinggyin ai frequency hpe hkang ai ladat hta, n-gun shinggyin ai ladat hta law malawng gaw PCS+step-up transformer hka htung, battery hka htung, high-voltage access hka htung, buga ginra hpe yu reng ai hka htung ni lawm ai. Dai ni hta, PCS+step-up galai shai ai hka htung hta ring main unit, step{6}}up galai shai ai jak, PCS ni hpe tawn da ai. DC maga na battery bang ai shara hte matut da nna, AC maga de gaw, makau grup yin na n-gun shinggyin ai jak hte parallel hku matut da nna, dai hpe plant service transformer hte n-gun n-jaw ai sha, n-gun n-gun n-rawng ai shara (central switch cabinet) hku nna matut da ai.

Ndai masing hpe hkrak hkrak galaw sa wa ai hta, hkrang shapraw ai lam hte galai shai ai lam a hkrak tup ai lam ni gaw n bung chye ai, raitim yawng gaw, npawt nhpang thermal power unit ni hpe hkra machyi ai lam hpe shayawm kau na ngu ai npawt tara hpe hkan sa ra ai rai nna, DCS hte unit ni a shingra tara bungli galaw ai lam hta shimlam hpe n hkra hkra galaw ra ai.

N-gun atsam a matu ra kadawn ai lam ni grau grau ngang kang wa ai, grau nna nbung hte jan n-gun zawn re ai bai gram lajang mai ai n-gun atsam npawt nhpang ni a atsam lawan ai hku jat wa ai majaw, n-gun atsam grid gaw -quality tsaw ai frequency regulation resources ni hpe ra sharawng ai lam grau grau law wa nga ai. Raitim, n-gun dat jak ni hku nna AGC (Automatic Gain Control) kaba ai hku ayan galai shai ai lam ni gaw, jak rung ni hpe n kaja ai hku hkra machyi shangun nna, ngang grin ai bungli galaw ai lam hpe pat shingdang kau ya lu ai. Dai hta n-ga, ultra-low emission retrofitting gaw, nbung n-gun dat ni a tara masa hpe grau nna shadawn sharam da ya nna, tara masa galaw ai lam index K hpe shayawm kau ya ai.Dai majaw, nbung n-gun hte n-gun shinggyin ai frequency tara masa ni hpe hpawng de da ai gaw, hpaji masa hku nna hkrak hkrak akyu jaw ya nna, sut masa lam hta grai kaba ai akyu ni hpe jaw ya nga ai.

 

Miwa mung a Dingdung Dingda daw hta nga ai nbung n-gun hte n-gun shinggyin ai lam hpe hpawng de da ai masing hpe ga shadawn hku nna la ga nga yang, n-gun shinggyin ai lam hpe n jat shi yang, shanglawt ai nbung n-gun hpung ni a AGC tara masa galaw ai lam masat masa K gaw 1.97 kaw nna 2.62 lapran rai nga ai. N-gun shinggyin ai lam hpe jat bang ngut ai hpang, hpawng de da ai thermal power hte n-gun shinggyin ai ladat gaw ndai hpe 4.95 kaw nna 5.91 de gram lajang ya ai; hka wa na gumhpraw mung lani mi hta yuan 10,000 npu kaw nna lani mi hta yuan 110,000 daram de jat wa ai.

Raitim, n-gun n-gun n-rawng ai aten ni hta, grid a frequency regulation resources ni hpe ra sharawng ai lam gaw, ntsa tsang nga ai, ndai application a matu gat lawk shara hpe lawan ladan shinggrup kau na re. "Zero-sum" tara hpe hkap la ai majaw hte tara masa ni hte seng ai akyu garan gachyan ai ladat ni a n-gun atsam a majaw, masing a shang gumhpraw, grau nna n-gun shinggyin ai ladat madu ni a shang gumhpraw gaw, n teng n man ai lam nkau mi hpe hkrum sha nga ai.