Chii chinonzi Frequency Regulation?

Frequency regulation inochengetedza chiyero pakati pekugadzirwa kwemagetsi uye kudiwa nekugadzirisa kubuda kwemagetsi munguva chaiyo kuchengetedza grid frequency yakagadzikana. Magetsi emagetsi anoshanda pamwero wakajairwa we50 Hz muEurope neAsia kana 60 Hz muNorth America, uye frequency regulation inovimbisa kuti izvi zvinoramba zviri mukati mekushivirira kwakasimba kudzivirira kukuvara kwemidziyo uye kutadza kwehurongwa.

Kana kudiwa kwemagetsi kuchipfuura kupihwa, iyo grid frequency inodonha pazasi kukosha kwayo kwezita. Sezvineiwo, kana chizvarwa chikapfuura kushandiswa, frequency inokwira. Kutsauka uku kunokonzeresa otomatiki kudzora michina inogadzirisa kubuda kwemagetsi pamayuniti akawanda ekugadzira mukati memasekonzi kusvika kumaminitsi.

Maitiro acho anovimba nekuenderera mberi kwekutarisa kwegridi frequency pane akawanda kuyerwa nzvimbo. Kana mafambisirwo atsauka kubva pachinangwa, masisitimu ekudzora otomatiki anosaina majenareta, masisitimu ekuchengetedza simba, kana mitoro inodzoreka kuti ibaye kana kutora simba. Izvi zvinoitika kuburikidza nehierarchical control layers inoshanda nekumhanya kwakasiyana uye inoshandira zvinangwa zvakasiyana.

Grid opareta vanoyera chiyero chiri pakati pechipo nezvinodiwa kuburikidza nefrequency pachayo-inoshanda sechiratidzo-chechokwadi chenguva yehutano hwehurongwa. Mafambiro akatsiga anoratidza kuenzana kwakaringana, ukuwo kutsauka kwakasimba kunoratidza matambudziko anogona kubuda mukudzima kana akasiyiwa asina kuvharwa.

Frequency regulation inoshanda kuburikidza neatatu hierarchical control nhanho, imwe neimwe ichitaura dzakasiyana nguva uye zvinangwa.

Primary frequency controlinozvimutsa mukati memasekonzi emhirizhonga. Magavhuna ejenareta anoona frequency kutsauka uye gadzirisa turbine simba rekubuda zvakaenzana kuburikidza nekudonha kwekudzora maitiro. Iyi mhinduro yekukurumidza inosunga kuderera kana kusimuka asi haikwanise kudzoreredza zvizere kune zvezita. Iyo system inodzikama pane imwe yakatsiga-nyika frequency padyo, asi kwete chaizvo, pa, kukosha kwainotarirwa. Kudzora kwekutanga kunofanirwa kuita mukati memasekonzi makumi matatu uye kuchengetedza mhinduro kweanenge maminetsi gumi nemashanu zvinoenderana neEuropean grid standard.

Secondary frequency controlinotora nzvimbo mushure mekutanga kutonga kwadzikamisa frequency, kazhinji inoshanda mukati memasekonzi makumi matatu kusvika kumaminetsi akati wandei. Otomatiki Generation Kudzora masisitimu anorongedza akawanda majenareta kudzoreredza frequency chaizvo kune yayo yezita kukosha uye kugadzirisa yakarongwa kuchinjana kwemagetsi pakati penzvimbo dzekutonga. Iyi layer inobvisa yakatsiga-chikanganiso chenyika chasiiwa neprimary control uye chinoburitsa mareserve ekutanga kuti adzokere pakwakare. Iyo nzira inopera mukati memaminitsi gumi nemashanu mumazhinji grid masisitimu.

Tertiary frequency controlinoshanda kwenguva yakareba, kubva pamaminetsi kusvika kumaawa, yakatarisana nekugadzirisa hupfumi uye kuchengetedza kudzoreredza. Grid vanoshanda nemaoko kana otomatiki vanotumirazve zviwanikwa zvechizvarwa kutsiva zvakachengetwa zvakashandiswa panguva yekutanga neyechipiri kutonga. Izvi zvinobvumira iyo sisitimu kuti idzokere kune yayo yakanyanya hupfumi yekumisikidza kwekushandisa uku ichiva nechokwadi chekuti matura akakwana anoramba aripo kune ramangwana rekukanganisa.

Iwo matatu akaturikidzana anoshanda pamwechete pasina musono. Kana jenareta hombe ikaenda kunze kwenyika, kudzora kwekutanga kunosunga kudonha kwemasekonzi mukati memasekondi. Kudzora kwechipiri kunozodzosa frequency zvishoma nezvishoma kusvika ku50 kana 60 Hz pamaminetsi akati wandei anotevera. Chekupedzisira, tertiary control inogadzirisa hurongwa hwechizvarwa kugadzirira sisitimu kune inotevera inogona kukanganisa.

Frequency Regulation

Battery simba rekuchengetedza masisitimu akabuda seanonyanya kushanda frequency regulation zviwanikwa nekuda kwekugona kwavo kupindura nekukurumidza uye bidirectional simba kuyerera. Kusiyana nemajenareta echinyakare anoda nguva yekutanga uye magadzirirwo emuchina, mabhatiri anogona kubaya kana kutora simba mukati me100-500 milliseconds.

Pakupera kwa2020, 885 MW yebhatiri rekuchengetedza bhatiri rekuUnited States rakaratidza kuti mabhatiri anopindura kakawanda sei seyekutanga kushandiswa, inomiririra 59% yezvishandiso zvese{3}}zvikero zvebhatiri. Izvi zvinoratidza kwakasimba tekinoroji kuenderana pakati pemabheti maitiro uye frequency regulation zvinodiwa.

Simba Batterymasisitimu anokunda pa frequency regulation nekuti anogona kushandura zvisina musono pakati pekuchaja uye kuburitsa modes pasina kushushikana kwekupisa kana kupfeka kwemagetsi kunobata majenareta akajairwa. Kugona kupindura uku kunoita kuti dzive dzakanakira kugadzirisa-kushanduka-shanduka kunounzwa nemasimba anogona kuvandudzwa.

Mabhatiri masisitimu anogona kupindura kune grid frequency kutsauka mukati me100-500 milliseconds, nekukurumidza zvakanyanya kupfuura zvakajairwa chizvarwa zviwanikwa. Iyi yekumhanyisa mukana inovabvumira kusunga mafrequency excursions vasati vanyanya kukomba kuti vakonzere kubviswa kwemidziyo yekudzivirira.

Maitiro ekudzora bhatiri{{0}based frequency regulation anonangana nekuchengetedza mamiriro akakwana ekuchajisa uku uchideredza kudzikira. Sophisticated algorithms inodzikamisa kudiwa kwekupa tsigiro yefrequency inopindura maererano ne-hutano hwenguva refu hwebhatiri system. Kana akabatwa nemazvo, mabhatiri anogona kupa zviuru zvechaji-madhizaini ekuburitsa kudzorwa kwefrequency regulation ine mwero wekuderedzwa unogamuchirwa.

Musika wepasirese frequency regulation wakasvika pamadhora zviuru zvishanu zvemadhora muna 2024 uye unofungidzirwa kuti unowedzera paCAGR ye7.8% kuburikidza ne2033, ichisvika pamadhora zviuru gumi neshanu nemazana mana. Uku kukura kunoratidza kuomarara kuri kuwedzera kwekutarisira magridi ane yakakwirira renewable simba kupinda.

North America inotungamira musika neinosvika USD 2.3 bhiriyoni muna 2024, ichifambiswa neakura ekuwedzera masevhisi misika uye yakakosha gridization yekudyara. United States yakagadzira masisitimu akasimba anogonesa kutora chikamu kwakafara kubva kune zvishandiswa, vagadziri vemagetsi vakazvimiririra, uye vanoda mhinduro aggregator.

Europe inomiririra musika wechipiri-pakukura paUSD 1.8 bhiriyoni muna 2024. Nyika dzakaita seGermany, United Kingdom, neNordic nyika dziri kutungamira mukuvandudza ma frequency regulation, kuwedzera kuchengetedza kwesimba kwepamusoro uye hunyanzvi hwekupindura. European Union yakatarisa pamisika-yemisika yemagetsi epamuganhu inosimudzira kushanda kwe frequency regulation services pama grid akabatana.

Asia Pacific yakabuda senharaunda-yekukura kwepamusoro iine USD 1.2 bhiriyoni pamusika wemari muna 2024. China, Japan, South Korea, neIndia dziri kuisa mari yakawanda mukugadzira grid infrastructure uye kuchengetedza magetsi kuti vatsigire vavariro dzavo dzesimba rinogonekazve.

Mikana yekuwana mari yevanopa frequency regulation inobva mukubhadharwa kwevanokwanisa uye nekuita{{0}kuzvikurudzira. Vashandisi veGridhi vanotsiva zviwanikwa zvekuvepo kuti vape mutemo uye mubairo iwo nekurongeka uye nekukurumidza kwekupindura. Iyo 1 MVA/1 MWh bhatiri system yakaiswa muSweden kuitira frequency regulation masevhisi inoburitsa angangoita zviuru zana nemakumi mashanu emadhora pagore, nekudzoka kwekudyara pakati pemakore maviri ne3.

Shanduko kune simba rinogonekazve inoshandura zvakanyanya frequency regulation zvinodiwa. Mhepo uye chizvarwa chezuva chinoshaya huwandu hunotenderera hweakajairwa synchronous jenareta, zvichideredza yakazara system inertia. Lower inertia inoreva kuti frequency inoshanduka nekukurumidza kana chizvarwa uye kudiwa kunenge kwave kusaenzana.

Magadzirirwo emagetsi masisitimu aivimba nesimba rekinetic rakachengetwa muzviuru zvemajenareta anotenderera kuti ape chivharo chekukurumidza kupesana nekukanganiswa kwema frequency. Pakaitika kuwedzera kwemutoro, iyi misa inotenderera yaizononoka, ichiburitsa simba kuti rizadzise kudiwa uku masisitimu ekudzora achiitwa. Renewable magetsi masisitimu akabatana kuburikidza nemagetsi emagetsi haaiti mazvake kupa iyi inertial mhinduro.

Tsvagiridzo yakaburitswa muna 2024 inoratidza kuti kubatanidza masosi emagetsi anogona kudzokororwa kunowedzera kukosha kwekuremerwa frequency control nekuda kwekuwedzera uye kuoma kwemagridi emagetsi akabatana. Mamiriro epakati emhepo uye solar chizvarwa anounza kakawanda uye akakura frequency kutsauka pane echinyakare masisitimu.

Grid operators vanogadzirisa matambudziko aya kuburikidza nenzira dzakawanda. Yepamberi yekudzora algorithms inogonesa maturbine emhepo uye solar inverters kutevedzera inertial mhinduro yemajenareta e synchronous kuburikidza ne "synthetic inertia" kana "virtual inertia" maitiro. Masisitimu ekuchengetera magetsi anopa kukurumidza-matura ekuchengetedza anotsiva kuchinjika kunokwanisa kuitazve. Vanoda mhinduro zvirongwa zvinotora mitoro inochinjika kugadzirisa mashandisirwo mukupindura kune frequency masaini.

Kusiyana kwekugadzirwazve kunowedzerawo huwandu hwehuwandu hwekugadzirisa simba hunodiwa. Kugadzirwa kwezuva kunodonha nekukurumidza apo makore anopfuura pamusoro. Kugadzira mhepo kunogona kuchinja zvakanyanya mukati memaminitsi sezvo mafambiro emhepo anochinja. Uku kuchinjika kwekukurumidza kunoda kusimba kwekuita frequency regulation pane inofanofungidzira mitoro shanduko yemagridi echinyakare.

Frequency Regulation

Frequency regulation zviwanikwa zvinofanirwa kusangana zvakaomarara tekinoroji zvinodiwa kuti utore chikamu mumasevhisi egridi. Grid operators anoda zviwanikwa kuti zvipindure otomatiki mukati memasekondi kune frequency kutsauka uye kuchengetedza mhinduro kwenguva yakatarwa. Izvo chaizvo zvinodiwa zvinosiyana nedunhu uye musika mushandisi.

Nguva yekupindura inotsanangura kuti chitubu chinogona kukurumidza sei kuona kutsauka kwefrequency uye kutanga kugadzirisa kubuda kwesimba rayo. Mabhatiri masisitimu anowanzo kuzadzisa zvinodikanwa zvenguva yekupindura isingasviki sekondi imwe, nepo majenareta akajairika angada masekonzi akati wandei kuti atange kupindura.

Regulation size inoyera huwandu hwesimba resituru inogona kupa kune frequency control. Vashandi vanofanirwa kuchengetedza iyi chiyero iripo uye yakagadzirira kutumira. Kumabhatiri, izvi zvinoreva kuchengetedza kuchaja mukati mechikamu chinobvumira kubuda kwemagetsi maviri -pasina kuchajiwa kana kupera.

Kururama metrics inoongorora kuti chisimbiso chinotevera zvakadii chiratidzo chemirau chinotumirwa nevashandisi vegridi. Yepamberi bhatiri manejimendi masisitimu anowana yakanyanya kurongeka, achitevera masaini ane kushoma kukanganisa. Kunyatsoita uku kunobvumira grid operators kuchengetedza yakasimba frequency control nezvishoma zviwanikwa.

Sustained mhinduro kugona inotaridza kuti inguva yakareba sei sosi inogona kuchengetedza yayo yemutemo kubuda. Mabhatiri masisitimu anotarisana nekushomeka kwesimba-bhatiri reMW 1 rine maminetsi gumi nemashanu ekuchengetedza simba rinogona kupa simba rakazara kwenguva iyoyo chete risati rada kuchajwazve. Grid vanoshanda vanogadzira zvigadziriso zvakatenderedza izvi zvipimo zvinoshanda, zvine matura ekutanga anowanzo kutaurwa kwemaminetsi gumi nemashanu kusvika makumi matatu.

Yemazuva ano frequency regulation inoshandisa yakaomesesa kudzora nzira inogonesa kuita uku uchibata zvipingaidzo zvemidziyo. Droop control inoramba iri nzira yekutanga yekupindura frequency, ichigadzira hukama hwakaenzana pakati pefrequency kutsauka uye kugadzirisa kwemagetsi kubuda.

Mune droop control scheme, jenareta yega yega inogadzirisa kuburitsa kwayo zvichienderana nehukuru hwe frequency kutsauka. A 5% droop setting zvinoreva kudonha kwe5% frequency kunokonzeresa kuwedzera kwe100% mukubuda kwejenareta mukati memusoro unowanikwa. Majenareta akawanda ane akasiyana droop marongero anongogovera otomatiki mutoro wemirau zvakaenzana.

Battery simba rekuchengetedza masisitimu anoisa yakawedzera droop control iyo inoverengera nyika yekuchaja. Kana bhatiri richichaja, sisitimu inogona kupa yakaderera-regulation (charging) pane kumusoro-regulation (kubvisa). Sezvo mamiriro ekuchajisa achidzikira, kurerekera kunoshanduka kuenda pasi-kukwanisa kugadzirisa. Kugadziridza uku kunodzivirira pamusoro-kuchaja kana kudarika{7}}kubuditsa uku uchikwidziridza hurongwa hwesevhisi.

Otomatiki Generation Control inoronga yechipiri frequency mhinduro pane akawanda zviwanikwa. Iyo sisitimu inoverengera Area Kudzora Kanganiso, iyo inosanganisa frequency kutsauka uye isina kurongwa simba rinoyerera pakati penzvimbo dzekutonga. AGC inobva yagovera zviratidzo zvekugadzirisa kune majenareta anotora chikamu zvichienderana nekwaniso yavo uye zvinhu zvehupfumi.

Virtual synchronous jenareta zvidzoreso zvinogonesa masimba emagetsi ekushandura kutevedzera hunhu hunochinja hwechinyakare chinotenderera muchina. Izvi zvinodzora zvinopa synthetic inertia nekupindura kune mwero we frequency shanduko, kwete kungoita frequency kutsauka pachayo. Izvi zvinotevedzera maitiro echisikigo einertial yeajairwa majenareta, zvichibatsira kusunga kwekutanga frequency kutsauka nekukurumidza.

Frequency regulation zvinodiwa uye kuita zvinosiyana zvakanyanya pamhando dzakasiyana dzemagetsi masisitimu. Makuru akabatana magidhi anobatsirwa kubva kune geographic uye zviwanikwa zvakasiyana asi anotarisana nematambudziko ekubatanidza munzvimbo dzakawanda dzekutonga. Zvitsuwa grids anoshanda neashoma redundancy uye anoda yakawanda inopindura frequency control.

Microgrids inomiririra yakanyanya kunetsa frequency regulation nharaunda. Aya masisitimu madiki-ane inertia shoma uye mashoma mashoma. Rwendo rwejenareta rimwe chete kana shanduko yemutoro inogona kukonzeresa ma frequency swings. Kuchengetedza bhatiri kunova kwakakosha mumamicrogrids, kupa mhinduro yekukurumidza inodiwa kuchengetedza kugadzikana panguva yekuvhiringidza.

Tsvagiridzo ichangoburwa yakaburitswa muna 2024 yakaongorora kubatanidzwa kwemotokari yemagetsi mumamicrogrids, zvichiratidza kuti zana maEVs anogona kunyatso chengetedza grid frequency mukati me59.5-60.5 Hz pane dzakasiyana siyana dzekuedza. Izvi zvinoratidza kuti zviwanikwa zvakagovaniswa zvinogona sei kuunganidzwa kuti zvipe zvine musoro frequency regulation rutsigiro.

Maindasitiri ane-kugadzirwa kwesaiti anowanzo tora chikamu mumisika yekudzora mafambiro. Mahombe emagetsi emagetsi uye maitiro anodzoreka anogona kugadzirisa kushandiswa mukupindura masaini masaini. Yakasanganiswa kupisa uye zvidyarwa zvemagetsi zvinopa zvese zvinopisa uye zvemagetsi kubuda, zvichivapa kuchinjika kuti vagadzirise kugadzirwa kwesimba rekudzora frequency uku vachichengetedza kupisa kuburitsa.

Mapurazi ekufambisa{{0}akabatana nemhepo nesolar ari kuramba achipa masevhisi ekudzora mafambiro zvisinei nehunhu hwawo. Yepamberi inverter kudzora inobvumira izvi zvivakwa kubata zvakachengetwa uye kupindura kune frequency kutsauka. Munguva yekudzikisira, kana kuburitsa kunoderedzwa nemaune pasi pehukuru hwepamusoro, zvivakwa zvinogona kuvandudzwa zvinogona kukurumidza kuwedzera chizvarwa kana frequency inodonha.

Frequency Regulation

Frequency kutsauka kunoitika pese pese pakugadzira magetsi uye kushandiswa kunenge kusina kuenzana. Zvikonzero zvinowanzoitika zvinosanganisira kudzimwa kwejenareta kusingatarisirwi, nzendo dzemitsara yekutapurirana, kuchinja kukuru kwakangoerekana kwaitika, kana kuchinjika kwechizvarwa nekukurumidza. Iyo grid frequency inosimuka kana chizvarwa chinodarika mutoro uye chinodonha kana mutoro unopfuura chizvarwa.

Grid opareta vanowanzo chengetedza frequency mukati me ± 0.1 Hz panguva yakajairika mamiriro e50 Hz kana 60 Hz masisitimu. Tighter control inovandudza kunaka kwesimba uye inoderedza kushushikana pamidziyo. Mitemo yemusika inowanzopa mibairo zviwanikwa zvinotevera zviratidzo zvemirau zvakanyatsojeka, zvichigadzira kukurudzira kwehupfumi kwechokwadi.

Mazuva ano ma turbines emhepo uye solar inverters anogona kupa frequency regulation kuburikidza nemhando yepamusoro yekudzora nzira. Ivo vanofanirwa kubata imwe nhanho mukuchengetedza pane kushanda zvakanyanya kuburitsa, kugadzira mukana wemutengo. Nekudaro, kugona uku kunobatsira zvivakwa zvinogoneka zvinopa masevhisi ehurongwa kupfuura kugadzirwa kwesimba rakachena.

Kutsauswa kwema frequency kunze kwemarenji anogamuchirwa kunokonzeresa zviito zvekudzivirira. Pasi pe-frequency load shedding inodzima vatengi kudzivirira kuparara zvachose. Kupfuura-kuwanda kunogona kukonzera kuti jenareta ribviswe. Muzviitiko zvakanyanyisa, kutadza kudonha kunotungamira mukudzima kwakapararira.

Iko kushanduka kweiyo frequency regulation inoenderera sezvo masisitimu emagetsi anobatanidza simba rinogonekazve uye zviwanikwa zvakagoverwa. Bhatiri rekuchengetedza simba, mhinduro yekuda, uye zvidzoreso zvepamberi zvinopa kuchinjika kunodiwa kuchengetedza kugadzikana. Misika iri kuchinjika kukoshesa kumhanya uye kurongeka kunopihwa matekinoroji matsva uku uchiona kuti kugona kwakaringana kunoramba kuripo kugadzirisa kuwedzera kuomarara kwegridhi. Izvo zvakakosha zvehunyanzvi uye zvehupfumi zvinonongedza kune ramangwana uko zviwanikwa zvakasiyana zvinoshanda pamwechete kuchengetedza frequency yakagadzikana kunyangwe musanganiswa wechizvarwa unowedzera kushanduka nekugovaniswa.

Sources

EPRI Storage Wiki - Frequency Regulation

US Energy Information Administration - Battery Storage Applications uye Shifting Use Cases

Scientific Reports - Frequency Regulation muHybrid Renewable Power Grid, 2024

Growth Market Reports - Frequency Regulation Market Research Report, 2025

Socomec - Power Grid Frequency Regulation neBESS

Frontiers muKutsvagisa Kwesimba - Yakavandudzwa Sisitimu Yekudzora Kugona KweBattery Energy Storage, 2022

Scientific Reports - Impact of EV Interfacing on Peak-Shelving and Frequency Regulation in Microgrids, 2024

EEPower - Frequency Control muPower System, 2020