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With the continuous expansion of the global energy crisis, all countries have set their sights on the electric vehicle industry for the development of low-carbon economy, but the development of the electric vehicle industry should be synchronized and coordinated with the development of charging facilities, so it is of great practical significance
to discuss and study the design of charging piles and their key technologies.
At present, the charging facilities that have been developed or built in China are basically divided into two categories, one is the charging pile, and the other is the charging station
.
These two charging facilities have their own advantages in charging efficiency and environmental requirements, and the specific selection should be reasonably adopted
according to the actual situation.
Usually the charging pile occupies a small land area, and the management cost is relatively low, generally in the city's parking lots, residential areas and other areas with a relatively large traffic flow and vehicle parking density to meet the charging needs
of electric vehicles.
At the same time, the charging pile generally adopts a slow charging mode, the current is relatively small, the safety performance is high, and the life
of the electric vehicle battery can be extended to a certain extent.
The two-way charging pile mainly refers to a DC charging facility
that realizes two-way communication between the on-board battery system and the photovoltaic power grid under the control of the microgrid.
The two-way charging pile is fixed outside the electric vehicle and connected to the power grid to provide DC charging services
for the non-on-board electric vehicle power battery.
The charging object of the bidirectional charging pile is a lithium electronic battery, the output current is DC, and the output voltage meets the battery standard requirements of the charging object, which provides a strong guarantee
for the overall safe operation of electric vehicle charging and replacement.
With the continuous expansion of the global energy crisis, all countries have set their sights on the electric vehicle industry for the development of low-carbon economy, but the development of the electric vehicle industry should be synchronized and coordinated with the development of charging facilities, so it is of great practical significance
to discuss and study the design of charging piles and their key technologies.
At present, the charging facilities that have been developed or built in China are basically divided into two categories, one is the charging pile, and the other is the charging station
.
These two charging facilities have their own advantages in charging efficiency and environmental requirements, and the specific selection should be reasonably adopted
according to the actual situation.
Usually the charging pile occupies a small land area, and the management cost is relatively low, generally in the city's parking lots, residential areas and other areas with a relatively large traffic flow and vehicle parking density to meet the charging needs
of electric vehicles.
At the same time, the charging pile generally adopts a slow charging mode, the current is relatively small, the safety performance is high, and the life
of the electric vehicle battery can be extended to a certain extent.
The two-way charging pile mainly refers to a DC charging facility
that realizes two-way communication between the on-board battery system and the photovoltaic power grid under the control of the microgrid.
The two-way charging pile is fixed outside the electric vehicle and connected to the power grid to provide DC charging services
for the non-on-board electric vehicle power battery.
The charging object of the bidirectional charging pile is a lithium electronic battery, the output current is DC, and the output voltage meets the battery standard requirements of the charging object, which provides a strong guarantee
for the overall safe operation of electric vehicle charging and replacement.
