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How to divide the size of electric vehicle charger

2022-08-15 00:00:00
0

How to divide the size of electric vehicle charger

Generally, there is a nameplate display. If there is no direct description, it can be judged according to the current. Around 1.8a is the charger, around 2.5 is the charger. The voltage is generally a few batteries, that is, a few times 12 volts. Such as 4 batteries, that is 48 volts.

Introduction of electric vehicle charger:

The electric vehicle charger is a charging device specially configured for the battery of electric bicycles! The classification of chargers: with and without power frequency (50 Hz) transformers, can be divided into two categories. Freight three-wheel chargers generally use chargers with power frequency transformers, which are bulky, heavy, and power-hungry, but are reliable and cheap; electric bicycles and electric motorcycles use so-called switching power supply chargers, which save power and have high efficiency, but Fragile.

The correct operation of the switching power supply charger is: when charging, plug in the battery first, and then add the commercial power; when it is sufficient, cut off the commercial power first, and then unplug the battery. If you unplug the battery first when charging, especially when the charging current is high (red light), it is very easy to damage the charger.

Commonly used switching power supply chargers are divided into two categories: half-bridge type and single-excitation type, and single-excitation type is divided into two types: forward type and flyback type. The half-bridge type has high cost and good performance, and is often used in chargers with negative pulses; the single-excitation type has low cost and high market share.

Can electric vehicle chargers be universal?

Electric vehicle chargers cannot be universal, but it depends on the situation. The charger is connected to the front lithium battery in the wrong way.

Electric vehicle chargers are theoretically not universal. This is the same as the principle of mobile phone chargers. It mainly depends on whether the voltage and current are consistent. Generally, chargers of the same brand are more likely to be universal. It is still necessary to check whether the voltage and current match.

  Precautions:

Electric vehicle refers to a mechatronics personal transportation vehicle that uses battery as auxiliary energy on the basis of ordinary bicycle, and is equipped with control components such as motor, controller, battery, turning handle and brake handle, and display instrument system.

Electric vehicle charger

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