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2017 - 06 - 01
Electric car charger principle, the charger control chip is generally based on the TL494 as the core, to promote the 2 13007 high voltage triode. In combination with LM324 (4 operational amplifier), the three stage charging is realized. 220V AC rectifier through D1-D4, C5 filter to get about 300V direct current. This voltage charges the C4 and initiates the current through the TF1 high voltage winding, the TF2 main winding, and the V2. The TF2 feedback winding generates an induced voltage that turns the V1 and V2 in turn. Therefore, the low-voltage power supply winding in TF1 generates voltage...
2017 - 06 - 01
[Abstract] the establishment of the new "six articles" of the national standard for electric bicycles has made it possible to accelerate the introduction of the new national standard, so as to protect the broad masses of consumers, that is, more common people, public interests (Lu Quan), or beneficial.The new six items of national standard for electric bicycles should be improved (1)[China electric vehicle network commentator and guest writer Song Zikui] we only have the spirit of "scientific rigor and is conducive to the promotion of industry (industry) technology progress"...
2017 - 06 - 01
China electric network commentator, guest writer Song Zikui] of course, the premise is: we only have the spirit of "scientific rigor and is conducive to the promotion of industry (industry) technology progress" for the purpose, it is helpful to improve the vehicle itself "integrated technical indicators (including safety performance index)" as the basic principle, and fully take into account (focus to more effectively improve the products ") practical performance", in order to meet a wide range of consumers is more ordinary people (the actual needs of the reasonab...
2020 - 08 - 18
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