I have used and showcased several of the more expensive public DC fast chargers recently, and the topic of pricing for DCFC keeps coming up. Right now, it appears the public charging providers are struggling to find a pricing structure that complies with regulations, works for a variety of EVs with a variety of charging profiles, and is sustainable from a business perspective.
I suggest that public charging providers investigate the use of “demand fees,” which would work similarly to the way utilities charge demand fees. Essentially, the EV owner would pay a rate based on their total demand (i.e., per kW of total charging capacity), which can be combined with a base per-minute or session fee. At the moment, a 10 cent per minute plus .25 cent per kW demand fee seems the most appropriate, as it would result in the following:
– A Bolt EV owner charging at 55 kW would pay: 24 cents per minute (or 26 cents/kWh)
– A Kona Electric owner charging at 70 kW would pay: 28 cents per minute (or 24 cents/kWh)
– An I-PACE owner charging at 85 kW would pay: 31 cents per minute (or 22 cents/kWh)
– An e-Tron owner charging at 150 kW would pay: 48 cents per minute (or 19 cents/kWh)
The biggest benefit to the charging providers beyond fairness is that they would be able to create a single, consistent fee structure across their entire network, and it would eliminate the need to set fees by region or charger. And that would, of course, also improve the customer experience.
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› Cheap, solid unit: http://amzn.to/2EZk1AC
› Expensive, USB unit: http://amzn.to/2lWoj2L
The difference between the cheap and expensive unit is mostly in the USB connection & the software. The ability to control the power supply from the computer and view amperage/voltage is pretty useless unless you intend to use it for livestreaming with open broadcaster and want results to show up on the screen. For most you will want the cheaper version.
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› Home microphone: https://amzn.to/2xfampC
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How to make 12v dc from 220v ac transformer,
12v battery charger
Circuit diagram link -https://drive.google.com/file/d/15FqxJnIEFv6jPnTGMaJy8PVsk_ZwJoGC/view?usp=drivesdk
इस वीडियो में आप घर पर ही 12v dc सप्लाई बना सकते है । इतना ही नही आप इस वीडियो की मदद से 12v बैटरी चार्जर बना सकते है ।
इसके लिए आपको एक ट्रांसफॉर्मर 0 12 ,1amp का चाहिए ,आप पुराने tv, vcd, एम्पलीफायर से भी ले सकते है बस वो जला हुआ न हो ।
4 डायोड 1007 चाहिए,
1 कैपेसिटर 4700uf 25 या 35 बोल्ट
fayad electronics এর পক্ষ থেকে আমি ফায়েদ আপনাদেরকে জানাই আন্তরিক শুভেচ্ছা
আজ আমি ১২,০,১২ vold transformer দিয়ে Ac to dc বা Battery charger বানালাম
আমার আরও ইলেকট্রনিক্র এর ভিডিও পেতে আমার চ্যনেলটি subscribe করুন
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Order ISDT A4 here
ISDT A4 is designed to Charge 10500 12500 AA AAA Li-Ion batteries fast and secure. It is Perfectly compatible with phone power adapters, USB ports, portable power banks and car chargers. Auto-matching with the USB charging devices output power. Fast charging is possible when combined with a QC adapter. Automatic battery type identification, the A4 will auto-match the optimal charging algorithm, fully compatible with NiMH, NiCd, Li-lon and LiFePO4 batteries. The battery level, type, operation mode and information can be shown clearly by indicators with various color. ISDT A4 have 4 real independent channels for intelligent current regulation, supports hybrid charging of different types & sizes of batteries. Innovative battery performance detection mechanism, intelligent power allocation, auto-adjust charging parameters.
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