Virtual Power Plants: Iyo Battery Storage Inogadzira Kukosha

A virtual power plant (VPP) isoftware-inogoneswa nzira yekubatanidza zviwanikwa zvesimba zvakagoverwa; bhatiri simba rekuchengetedza sisitimu (BESS) chimwe chinhu chemuviri chinogona kudzora neVPP.VPP inogona kusanganisa mabhatiri ane solar, EV kuchaja, HVAC, smart thermostats, inochinjika yekutengesa mitoro, uye zvimwe zvakagoverwa simba zviwanikwa (DERs) kuitira kuti midziyo midiki yakawanda ipindure seyakarongwa portfolio.

Kuchengeta bhatiri kunonyanya kubatsira mukati meVPP nekuti inogona kutora magetsi nekuiburitsa gare gare. Izvo zvinoita kuti simba rakachengetwa ridzorerwe mukati menguva, asi hazviiti kuti bhatiri rega rega rinyatso kudhindwa panguva yega yega. Mamiriro ekuchaja, masimba emagetsi, simba resimba, kuchengetedza kuchengetedza, nzvimbo dzinokosha, mitemo yekubatanidza, zvinodikanwa zvechirongwa, uye miganho yekushanda kwebhatiri zvese zvinokanganisa kuwanda kwekushanduka kunowanikwa.

Dhipatimendi reMagetsi reUS rinotsanangura zvidyarwa zvemagetsi seakabatana aggregations eDER matekinoroji. Zvayovirtual power plant overviewinoratidzawo basa rekuda kuchinjika uye kubatanidzwazve. Kune vaverengi vanoda hwaro mune yekuchengetera asset pachayo, ona gwara rekutichii chinonzi BESS uye kuti yakasiyana sei nebhatiri rebhengi.

Chii chinonzi Virtual Power Plant?

A virtual power plant itaneti yakarongeka yezvakagoverwa simba zviwanikwa zvinogadziriswa kuburikidza nekutaurirana, kufanotaura, optimization, uye kutonga software. Izvo zviwanikwa zvenyama zvinoramba zvakagoverwa mudzimba dzese, mabhizinesi, nzvimbo dzemaindasitiri, kana dzimwe nzvimbo, asi VPP inogona kusanganisa kuchinjika kwavo kunowanikwa mune portfolio.

Yakajairika VPP zviwanikwa zvinosanganisira:

• bhatiri simba rekuchengetedza masisitimu;
• pamusoro pedenga uye akagoverwa solar;
• mota dzemagetsi uye EV yekuchaja midziyo;
• smart thermostats uye HVAC masisitimu;
• kupisa kwemvura;
• zvinochinjika zvekutengesa kana zveindasitiri mitoro; uye
• zvimwe zvinokwanisa kugadzirwa kana kuti magetsi-zvekushandisa.

Iyo yekushandisa modhi inonyanya kukosha kupfuura iyo label yemidziyo. Bhatiri chinhu chinobatsira. VPP ndiyo yekubatanidza layer inotaridza kuti zvii zvinotora chikamu zvingaite, pazvinogona kuzviita, uye kuti mhinduro yavo yakabatanidzwa inounzwa sei kune utility, aggregator, kana musika wemagetsi.

Ko Virtual Power Plants Inoda Mabhatiri?

Kwete. Kuchengetedza bhatiri kwakakosha kune maVPP akawanda, asi haisi iyo inodiwa pasi rose. Iyo portfolio inogona zvakare kuvakwa kubva kune inodzoreka mitoro, EV kuchaja, thermostats, solar, kana mamwe maDERs uko chirongwa nemitemo yemusika inovabvumidza kutora chikamu.

A misanganiswa portfolio inogona kuchinjika pane bhatiri-chete portfolio. Kana chiitiko chegidhi chikaitika, imwe saiti inogona kuburitsa bhatiri nepo imwe ichinonoka kuchaja EV uye chetatu ichidzikisa mutoro weHVAC. VPP inoronga mhinduro pane kuda kuti zviwanikwa zvese zvibate zvakafanana.

Nei Bhatiri Kuchengeta Kukosha muVPP

A BESS inopa VPP chinhu chinodzoreka chine zvese kuchaja uye kuburitsa kugona. Kana magetsi awanda, asingadhure, kana kushomeka, bhatiri rinogona kuchaja. Kana chivakwa kana grid ichida kuchinjika, bhatiri rinogona kuderedza kutengwa kwesaiti kana simba rekunze kunze kana chirongwa nechirongwa zvichizvibvumidza.

Iyi controllability inotsigira akati wandei akajairika makesi ekushandisa:

• Peak demand management:kubuda kunogona kuderedza kudiwa kwegetsi panguva yakakwira-nguva yekuremerwa.
• Kuda mhinduro:mabhatiri anogona kupindura kune utility kana aggregator chiitiko, kazhinji padivi pemitoro inoshanduka.
• Load shifting:simba rakachengetwa rinogona kutamiswa kubva pane imwe nguva kuenda kune imwe. Kuti uwane tsananguro yakadzama, onakusimuka kwekutakura nekuchengetedza simba.
• Renewable kubatanidzwa:mabhatiri anogona kuchengeta imwe solar kana chimwe chizvarwa chinogoneka kuti chizoshandiswa gare gare pane kuda chizvarwa uye kuda kuti zviitike panguva imwe chete.
• Grid services:uko mitemo yemusika uye tekinoroji qualifications inobvumidza, akaunganidzwa maDER anogona kupa simba, kugona, matura, kana mamwe masevhisi ekuwedzera.

Chikumbiro chikuru ndechekutiiriposimba, kwete nameplate simba. Bhatiri re1 MWh haringope 1 MWh kuVPP. Rimwe simba rinogona kunge risipo nekuda kwemamiriro azvino ekuchajisa, hushoma hwekushandisa muganho, yekuchengetedza yekuchengetedza, mamiriro ekupisa, inverter miganho, saiti mutoro zvinodikanwa, kana imwe chibvumirano chechibvumirano.

Iyo Virtual Power Plant ine Battery Storage Inoshanda

Mapuratifomu anosiyana, asi bhatiri{{0}inoenderana neVPP inogona kunzwisiswa senhanho-nhanhatu dzekushanda.

Danho 1: Batanidza uye Ukodzere Bhatiri

VPP inoda nzira yakavimbika yekugamuchira mamiriro ebhatiri uye kuburitsa mirairo inotenderwa. Kubatana chete hakuna kukwana. Saiti inogonawo kugutsa zvinoshandiswa, kubatanidza, metering, telemetry, nzvimbo, kunyoresa, kana zvekutengesa{2}}zvinodiwa zvemusika.

Iyo control layer inowanzo pindirana nebhatiri manejimendi system, inverter kana simba rekushandura system, saiti controller, uye simba manejimendi system. Kana kutora chikamu kweVPP chiri chinangwa chepurojekiti, kutaurirana uye kudzora nzvimbo dzinofanirwa kuongororwa panguva yekusarudzwa kwemidziyo kwete kuwedzera sekufunga kwekupedzisira. Ichi chitarisiko che abhatiri simba rekutonga systeminopa mamwe mamiriro pamusoro peiyo supervisory control layer.

Danho rechipiri: Forecast Load, Generation, uye Battery Kuwanikwa

Iyo puratifomu inofungidzira kuchinjika kunogona kuburitswa panguva yehwindo rakakodzera. Kune bhatiri, izvo zvinoda zvinopfuura kuverenga yakaiswa simba uye zviyero zvesimba. Iko kuverenga kunogona kutarisisa mamiriro azvino ekuchaja, inotarisirwa saiti kuremerwa, inotarisirwa kubuda kwezuva, kuchaja kana kuburitsa miganho, kuchengetedza zvinodiwa, kuwanikwa windows, uye zvirambidzo zvekushanda.

Semuenzaniso, funga nezve 500 kW / 1,000 kWh bhatiri rekutengesa iro parizvino riri pa80% mamiriro ekuchajisa asi muridzi achida 300 kWh kuti arambe akachengeterwa backup. Usati wafunga kushanda nesimba, shoma SOC, saiti kurodha, kana zvimwe zvinogumira, ingangoita 500 kWh inogara pamusoro peiyo nzvimbo. Kana VPP ichikumbira 400 kW kweawa imwe chete, simba rinodiwa i400 kWh. Bhatiri rinogona kunge richikwanisa chiitiko ichocho, asi kuverenga kunobva pane iripo simba uye zvekutanga zvekushandisa, kwete iyo 1,000 kWh nameplate chete.

Danho rechitatu: Gamuchira Grid, Utility, kana Market Signal

A utility, aggregator, kana redunhu grid operator anogona kukumbira kuchinjika. Chiito chakumbirwa chinogona kusiyana: kuderedza kudiwa kwese, simba rakachengetwa kunze kwenyika, kushandura masheji ekuchaja, kuchengetedza kuzvipira, kana kupa imwe sevhisi inokodzera.

Iwo chaiwo mukana unoenderana nenzvimbo, mutero, utility ndima, dhizaini yemusika, uye mitemo yehurongwa. MuUnited States, FERC Order No{1}} ihurumende yakakosha yeDER aggregation mumisika yakarongeka. FERC'sOrder Nha{0}} anotsanangurainotsanangura kuunganidza, zvishoma-saizi, nzvimbo, metering, telemetry, uye coordination zvinodiwa uku tichisimbisa kuti kushandisa kunosiyana neRTO/ISO.

Nhanho 4: Tumira iyo Portfolio

VPP inosarudza kuti ndezvipi zviwanikwa zvinofanirwa kupindura uku ichiremekedza midziyo uye zvisungo zvevatengi. Bhatiri rinogona kubuda, EV charger inogona kumbomira kuchaja, uye sisitimu yekudzora chivakwa inogona kudzikisira kuremerwa kwechinguva. Mhinduro yepotfolio inogona saka kusangana negridi inoda pasina kumanikidza hunhu hwakafanana kubva pazvinhu zvese.

Kumasaiti ekutengesa, bhatiri rimwe chetero rinogona kunge riri kutoshanda zvakanyanya-zvinodiwa. Varidzi vanotarisa mabasa ese ari maviri vanofanirwa kunzwisisa kuti mari yekuchengetedza mabhiri emunharaunda uye zvisungo zvekutumira zvekunze zvinopindirana. Gwaro iri rekutipeak shaving ine bhatiri kuchengetedza explains the site-side use case in more detail.

Nhanho 5: Kuyera Kuita uye Gadzirisa Muripo

Mushure mechiitiko, chirongwa chinoda kuona kuti chii chaunzwa chaunzwa. Muripo unogona kubva pahuwandu hwakanyoreswa, kuwanikwa, simba rekutumira, kuderedzwa kwekutakura, kunyatsoita mhinduro, kana chimwe chirongwa-chaicho metric.

Izvo zvinogadzira metering uye telemetry zvekutengesa zvinodiwa pamwe nehunyanzvi zvinodiwa. Muridzi anofanirwa kuziva kuti ndeipi mita ine chiremera, maverengero ekutanga anoverengerwa kana kuderedzwa kwemutoro kunoyerwa, nguva yedata inodiwa, mafambisirwo anoitwa basa, uye kuti zvirango zvinoshanda here kana kuendesa kwakasiyana nekuzvipira.

Nhanho 6: Dzosera Nyika Yekuchaja uye Kugadzirira Saiti

Chiitiko chegridi hachina kupera kubva pamaonero emuridzi webhatiri kana kubuda kwakamira. Bhatiri ringangoda kuchajazve, uye kuchaja uku kunokanganisa saiti kurema, mutengo wemagetsi, kugadzirira chiitiko chinotevera, uye kugona kuchengetedza.

Kugonesa kwakanaka nokudaro kunoongorora kutenderera kuzere: pre{0}}chiitiko SOC, kutumira, kutumira{1}chiitiko recharge, uye chinotevera chinotarisirwa chisungo chekushanda. Mazano anowedzera kubhadhara kwechiitiko chimwe asi achisiya bhatiri risipo kune imwe yakakosha saiti inodiwa inogona kuderedza huwandu hweprojekiti.

VPP Mabhatiri Anogadzira Sei Kukosha?

Iko hakuna yepasi rose VPP mari modhi. Mukana wehupfumi unoenderana nesaiti, mutero, chirongwa, musika, chibvumirano cheaggregator, kuita kweasset, uye kuwedzera bhatiri bhasikoro.

Kukosha kunogona kubva kune akati wandei:

• utility kana aggregator chirongwa chekubhadhara;
• kukwanisa kana kuwanikwa kubhadhara;
• kuita-kunobva mukubhadhara kwekuchinja kunounzwa;
• inokwanisa mari yemusika weholesale;
• kuderedzwa kwechaji dzinodiwa kana mamwe magetsi-anochengetedza mutengo; uye
• mashandisirwo arinani ebhatiri riripo kana zviitiko zveVPP zvisingapesane nepamusoro-mashandisirwo esaiti ekutanga.

DOE's 2025Virtual Power Plants Updateinotsanangura kukura kweUS VPP kutumirwa uye kushandiswa kwemaDER aripo kupa grid kuchinjika. Iyoyo system-level inogoneka haifanire kubatwa sechivimbiso chekudzoka kune mumwe muridzi webhatiri.

Gross Program Revenue Haisi Net Battery Value

Kuongorora kunobatsira kwekutengeserana kunotanga nemusimboti uri nyore:

Hwose hweVPP hunokosha=mari yose yekubhadhara purogiramu inobvisa mari yeaggregator, kuwedzera kubhadharisa uye kurasikirwa, kuderedzwa nekugadziridza kwakawedzera, mari yekubatanidza, njodzi yekushanda, uye mukana wemukana wekumwe kushandiswa kwebhatiri.

Mukana{{0}munguva yemitengo iri nyore kupotsa. Bhatiri rinobuditsa chiitiko cheVPP rinogona kunge riine simba shoma rekuveura ndebvu, backup, kana imwe sevhisi yakabhadharwa. Iyo kilowatt yakachengetwa-awa imwe chete haigone kuitwa kune zvisungo zviviri zvinopikisana panguva imwe chete.

Nzira yekuongorora Kuwedzera kweBattery Degradation

Kuwedzera kuchovha bhasikoro hakusi kwemahara, asi mutengo wakajairwa kutenderera unogona kurasisa. Varidzi vanofanirwa kufananidza iyo VPP inoshanda chimiro nebhatiri chaiyo waranti uye modhi yeprojekiti.

• Kufungidzira nhamba inotarisirwa yezviitiko zveVPP pagore.
• Kufungidzira kudzika kweavhareji yekubuda uye gore negore kuwedzera kwesimba kuburikidza nekushandisa.
• Enzanisa kubuditswa ikoko newaranti inogumira, fungidziro dzemabhaisikopo, uye zvinotarisirwa zvinogoneka-kuchengetedza kugona.
• Akaundi yesimba rekuchaja,{0}}kurasikirwa nerwendo kuenda nekudzokera, kushandisa kwekuwedzera, uye kugadzirisa.
• Enzanisa mutengo wekuwedzera unotarisirwa kubhadhara kwehurongwa hwese, kwete mari yemusoro.

Kana waranti ichiratidzwa muchidimbu kuburikidza nekuwanda kwekuwedzera, kutenderera, tembiricha yekushandisa, kana mamwe mamiriro, iwo mazwi chaiwo anofanira kushandiswa. Chinangwa ndechekufungidzirakuwedzerakupfeka kunokonzerwa nekutora chikamu kweVPP pane kupa bhatiri rehupenyu hwese kuderedzwa mutengo kuchirongwa.

VPP vs. Microgrid vs. Standalone BESS

Virtual magetsi zvidyarwa, microgrids, uye standalone bhatiri masisitimu anogona kushandisa mamwe emidziyo yakafanana, asi anogadzirisa matambudziko akasiyana.

Kusiyana kwekubuda kwakakosha. VPP haingope simba rekuchengetedza kune yega yega saiti. Bhatiri rinokwanisa kutsigira backup chete kana dhizaini yemagetsi emunharaunda, zvidzore, zvekufambisa, maitiro ekushandisa, uye interconnection kuronga zvinotsigira basa iroro. Iyo microgrid yakanyatsogadzirirwa kutenderedza kurongeka kwenzvimbo uye inogona kugadzirwa kuti ishande yakazvimiririra kubva kune yakakura grid. Kuti uwane kuenzanisa kwakadzama, ona gwara irimicrogrid bhatiri rekuchengetedza system dhizaini.

Chii Chinoita Kuti BESS VPP-Igadzirire?

Kugadzirira kweVPP zvese mubvunzo wehunyanzvi uye wekutengesa. Giridhi{{1}bhatiri rakabatana rinogona kudzoreka nehunyanzvi uye risisakodzere chimwe chirongwa.

Remote Monitoring uye Controlled Dispatch

Iyo VPP inofanirwa kuve nekuonekwa kwakakwana mune bhatiri chimiro uye yakavimbika nzira yekuburitsa chete mirairo iyo muridzi akabvumidza. Kondirakiti uye dhizaini yekuvaka inofanirwa kutsanangura kuti ndiani anogona kutumira bhatiri, mukati mesimba ripi uye miganhu yeSOC, mukati maawa, uye pasi pemamiriro api epamusoro.

Metering uye Telemetry

Iyo purogiramu inofanira kukwanisa kuona kushanda. Usati wanyoresa, simbisa zvinodiwa zvemamita, nguva ye telemetry, kuwanikwa kwekutaurirana, muridzi wedata, mitemo yekutanga, nguva yekugadzirisa, uye chii chinoitika kana data isipo kana kutaurirana kukundikana.

Kudyidzana

VPP ingangoda kurongedza zvinhu kubva kune vakati wandei vagadziri. Zvakavhurika kana zvakanaka-zvinotsigirwa zvinogoneka zvinogona kuderedza kukweshera kwekubatanidza, nepo proprietary controls inogona kupfupisa sarudzo yeaggregator kana kuda mamwe masuwo. Varidzi vanofanira kuona kutsigirwa kweprotocol, kuwanikwa kweAPI pazvinenge zvakakodzera, kutsigirwa kwefirmware, basa rekubatanidza, uye-rutsigiro rwevatengesi venguva refu vasati vatengwa kana kuve kweVPP kuri chinhu chinodiwa pachirongwa.

State-ye-Charge and Backup Reserve Controls

Varidzi vanofanirwa kutsanangura mashoma ekuchengetedza uye ekutanga mitemo isati yatanga kutumira. Nzvimbo yakakosha ingangoda nzvimbo yakakura kupfuura saiti inokoshesa mari yesevhisi zvakanyanya. Izvo zvinonyanya kukosha zvinofanirwa kuteedzerwa muhurongwa hwekutonga kwenzvimbo, kwete kusiiwa sechinhu chisina kurongeka chekushanda.

Cybersecurity uye Data Governance

A VPP inogadzira nzira dzekunze dzekutaurirana kuenda kumagetsi ekushandisa. Varidzi vemabhatiri vanofanira kuona kuti ndiani anogona kudzora asset, nderipi data rinosiya saiti, parinochengeterwa, kuti vashandisi nemidziyo zvinotenderwa sei, kuti kure kure kunoiswa sei, magadzirirwo esoftware, uye maitiro emunharaunda anoitika kana kutaurirana kwakanganiswa.

NIST's National Cybersecurity Center of Excellence yakaburitsa agwara rekudzidzira pamusoro pekuchengetedza kuchinjisa ruzivo pakati pekugoverwa kwesimba zviwanikwa uye grid mashandiro. Inogona kubatsira zvikwata zvepurojekiti kuronga cybersecurity zvinodiwa pasina kufunga kuti generic IT kuchengetedza cheki inokwana tekinoroji yekushandisa.

Kubatana, Kukodzera kweChirongwa, uye Mitemo yekuisa

Bhatiri rinoenderana nehunyanzvi rinogona kunge richiri kusakodzera nekuda kwenzvimbo inoshandiswa, mutero, chimiro chekubatanidza, mitemo yekubatanidza nzvimbo, kunyoreswa kwemusika, zvinodiwa zvemamita, kana zvirambidzo pakugamuchira muripo kubva kuzvirongwa zvakawanda.

Semuenzaniso, chirongwa cheCalifornia's Demand Side Grid Support chinotongwa nemitemo iripo yeCalifornia Energy Commission. The2026 DSGS Chirongwa Mirayiridzo, Yechishanu Editiongadza kukodzera, sarudzo dzekutora chikamu, nekuita{{0}kunoenderana nemitemo yekubhadhara. Ndiwo muenzaniso unobatsira wekuti nei ruzivo rwechirongwa ruchifanirwa kutariswa maererano nezviri pamutemo sosi pane kukopa kubva kuchinyorwa chekare kana peji rekunyoresa.

Kuchengetedzwa uye Miganhu Yekushanda

Mari yeVPP haifanire kudarika emvuropu yakachengeteka yebhatiri, inverter miganho, kuchengetedzwa kwemagetsi esaiti, kana kuchengetedza nekubatanidza zvinodiwa. Mapurojekiti anofanirwawo kuona zvitupa uye kodhi zvinodiwa zvinoshanda kune chaiyo yekumisikidza uye kutonga. Kuti uwane mamwe mamiriro, onanei BESS mapurojekiti achida yakakodzera UL certification.

Kondirakiti Mibvunzo Varidzi Vebhatiri Vanofanira Kugadziriswa Vasati Vanyoresa

Chibvumirano cheaggregator chinogona kukosha zvakanyanya sesoftware. Vasati vasaina, varidzi vanofanira kunzwisisa:

• Muripo unoverengwa sei: kunyoreswa, kugona, kuwanikwa, simba, kuyerwa kudzikiswa kwemutoro, kana kuita?
• Muridzi weasset anogamuchira chikamu chipi chemari yese?
• Ndiani anobhadhara magedhi, mamita, kubatanidzwa, kutaurirana, uye inoenderera mberi mubhadharo wepuratifomu?
• Pane here nguva shoma yekutora chikamu kana zvirevo zvekusarudzika?
• Ndezvipi zvirango zvekuita kana clawbacks zvinoshanda?
• Muridzi anogona kudarika kana kubuda kunze kwekutumira, uye nechiziviso chipi?
• Ndiani ane basa kana kubatanidza kana masystem-echitatu akundikana?
• Bhatiri rinokwanisa here kupinda mune imwe mutero, yekuda-chirongwa chemhinduro, kana kuyerera kwehoresale pasina kuverengera kaviri kana kupikisa zvisungo?
• Ko zvirambidzo zvewaranti, miganho yekushanda kwebhatiri, uye mabheti ekuchengetedza zvinotevedzwa sei?
• Ndedzipi kodzero dzedata dzinogamuchirwa nemuunganidzi panguva uye mushure mechibvumirano?

Kune mapurojekiti ekutengeserana nemaindasitiri, iyi mibvunzo inofanirwa kubatanidzwa mune yakakura bhatiri dhizaini uye yehupfumi modhi kwete kuongororwa chete mushure mekuiswa. Maonakutengeserana uye maindasitiri ekuchengetedza simba mhinduroyekuwedzera system-level context.

Illustrative Commerce VPP Scenario

Funga nezvenzvimbo yekutengeserana ine solar pamusoro pedenga remba, BESS, uye chivakwa manejimendi system. Uyu ndiwo mufananidzo wekushanda, kwete data reprojekiti.

Panguva yekushanda kwakajairika, bhatiri rinoderedza nzvimbo dzakasarudzwa uye rinochengeta rimwe simba rezuva. Muridzi anonyoresawo muVPP asi anoda shoma rekuchengetedza. Kana iyo VPP ikagamuchira chikumbiro chekutumira, chikuva chinotarisa SOC yebhatiri, nzvimbo yekuchengetera, nzvimbo yekuremerwa, inverter simba, kumwe kurongwa kushandiswa kwebhatiri, uye nguva yechiitiko.

Kana huwandu hwakakwana huripo, bhatiri rinobuda panguva yakabvumidzwa. Kumwe kunhu mune imwecheteyo VPP portfolio, imwe saiti inogona kuderedza inochinjika HVAC mutoro uye EV yekuchaja saiti inogona kunonoka chikamu chekuchaja kwayo. Mushure mechiitiko, mhinduro yega yega inoyerwa kugadzirisa. Bhatiri rinobva rachaja zvinoenderana nesaiti economics, mitemo yehurongwa, uye kukosha kwekudzoreredza kugadzirira backup.

Chinhu chakakosha ndechekuti VPP iri kugadzirisakuwanikwa kuchinjika. Haisi kungoraira bhatiri rega rega rakabatana kuti riburitse pese kana grid ichisimbiswa.

Mhedziso: Bata Kubatanidzwa kweVPP sechishandiso-Sarudzo Yekugadzirisa

Zvigadzirwa zvemagetsi zvinogoneka zvinogona kuita kuti zviwanikwa zvesimba zvakagoverwa zvakanyanya kubatsira kune yakafara grid, uye kuchengetedza kwebhatiri kunogona kuita kuti VPP portfolio iwedzere kudzoreka nekuti simba rakachengetwa rinogona kuchinjika mukati menguva. Iwo mapurojekiti akasimba, zvisinei, haabate bhatiri seasingagone kutumirwa kugona.

Iyo inonzwika VPP zano inoronga zvinhu zvitatu zvakakosha: izvo zvinodikanwa zvegidhi kana chirongwa, tekinoroji miganho yebhatiri, uye zvinonyanya kushanda zvemuridzi weasethi. Ndisati ndabvunza chete kana bhatirianogonajoina VPP, tarisa kuti ndeapi shanduko yaanogona kupa nekuvimbika, ndeupi huwandu hunofanirwa kuramba huripo kune saiti, izvo zvirongwa zvinogona kutsiva kuchinjika uku, uye chii kutora chikamu kunozodhura pamusoro pehupenyu hwehurongwa.