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Strategies & Market Trends : 2026 TeoTwawKi ... 2032 Darkest Interregnum

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From: Haim R. Branisteanu	8/16/2019 1:35:50 PM
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My response to Prof. Dr. Ferdinand Dudenhoeffer Professor of General Business Administration and Automotive Economics who heavily advertised fast charging for EV's in Germany at welt.de Haim R. Branisteanu Senior Partner Ramko Rolland Ass. turning dreams profitable businesses EV's in their current setup with batteries is a failure of major proportions. Energy density is around 0,8 kwh/kg (gasoline 11 to 14 kwh/kg) Each EV carries around 120 kg or more unnecessary weight, this adds up to wasted energy only to carry energy storage. Fast Charge sounds nice, but the electrical losses add several kwh per charge that no one takes into account. Power waste is inherent in any ohmic system resistance multiplied by the charging current ^2 (P=R x I^2) and Kwh losses in AC/DC conversion!! In addition, fast-charging stations induce instability within the electrical network due to the multiplication of demand (at around the same time) for high power for a short time during a short period within a 24h day. Cable overheating due to high current only add to the expenses, which can be solved with substantial heavier wire gauge (wire cross-section) which is prohibitively expensive and which in turn demands much bigger electrical network power transformers within the network only to provide high power for a short period of time. Solutions - charging station equipped with high capacity batteries - insane and very expensive. This is the best example of plain short term thinking or better said very unwisely. The are other solutions instead of pure EV Haim R. Branisteanu Senior Partner Ramko Rolland Ass. turning dreams into profitable businesses The average weight of a passenger internal combustion car is around 1,500 kg. in an EV storage batteries add about 10% of unnecessary weight wonder how much energy is wasted to drive a 10% heavier car not to mention if the road is on a hilly landscape As a remark hydrogen has energy density of around 38.8 KWH/kg

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