Doseg
Kakšen razpon boste dejansko dobili?
Uradna številka je laboratorijski rezultat pri zmerni temperaturi. Dve stvari jo pokvarita na resničnem potovanju: vzdrževana hitrost in mraz.
Zakaj hitrost toliko stane
Pri mestnih hitrostih večina vaše energije gre v pospeševanje mase, regenerativno zaviranje pa vrne dober delež nazaj. Na avtocesti skoraj nič od tega ne deluje — nenehno potiskate zrak stran, in ta strošek se povečuje s kvadratom vaše hitrosti, medtem ko moč, potrebna za premagovanje, narašča s kubom.
Praktična posledica je, da je razlika med 110 in 130 km/h veliko večja, kot nakazuje 18-odstotna razlika v hitrosti. Pri dolgi vožnji pogosto znižanje hitrosti za 20 km/h prihrani postanek za polnjenje, kar prihrani več časa, kot stane.
Hitrost in poraba
Zimska kazen
Dva učinka se seštevata. Kabina potrebuje ogrevanje, v avtomobilu z upornim ogrevanjem, ki neposredno črpa iz akumulatorja. In sam paket sprejema in oddaja energijo manj zlahka, ko je hladen, kar tudi upočasni hitro polnjenje. Študije, ki merijo učinke okoljske temperature na porabo, kvantificirajo skupni rezultat [1].
| Pogoji | Načrtujte | Opomba |
|---|---|---|
| Mestno, blago | 100 % ali bolje | Regeneracija deluje v vašo korist |
| Mešane ceste, blago | ~85 % | Blizu uradnega cikla |
| Avtocesta 110 km/h, blago | ~75 % | Upor prevladuje |
| Avtocesta 130 km/h, blago | ~65 % | Kubična moč se pozna |
| Avtocesta, blizu zmrzali | ~50-60 % | Ogrevanje plus hladen paket |
| Tovornjak ali strešni kovček | Zelo manj | Frontalna površina je sovražnik |
Pogosta vprašanja
Koliko dosega izgubim pozimi?
Ali naj upočasnim?
Ali je strešni kovček pomemben?
Zakaj je moja poraba slabša kot v ocenah?
Sorodno branje
Reference
Vsaka navedba spodaj povezuje na izvirni recenzirani zapis na PubMedu ali preko DOI. Nič tukaj ni nadomestilo za medicinski nasvet.
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Development of Hybrid Vehicle Energy Consumption Model for Transportation Applications—Part II: Traction Force-Speed Based Energy Consumption Modeling Pitanuwat S, Aoki H, IIzuka S, et al. · World Electric Vehicle Journal · 2019 · Journal article DOI
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Intelligent Hydrogen Fuel Cell Range Extender for Battery Electric Vehicles Wu D, Ren J, Davies H, et al. · World Electric Vehicle Journal · 2019 · Journal article DOI
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Scaling Trends of Electric Vehicle Performance: Driving Range, Fuel Economy, Peak Power Output, and Temperature Effect Jung H, Silva R, Han M · World Electric Vehicle Journal · 2018 · Journal article DOI
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