1. Hybrid technology applications for construction equipment
After a long time of research, this market hybrid excavator PC200-8 is the first
construction equipment using hybrid technology. Komatsu Hybrid System to reduce CO2
emissions and fuel consumption.
While the standard equipment often use hydraulic motors to spin structure above the
Komatsu Hybrid System developed special purpose electric motors. Through this new
motor accumulated energy is used again. It is fundamental to develop hybrid hydraulic
excavators. Compared with the excavator PC200-8 Hybrid technology has decreased an
average of 25% of the rate of fuel consumption. Furthermore, in some conditions the
customer, the biggest drop is 41% when the superstructure on the go with great frequency.
In fact, the hybrid system on hydraulic excavators more efficient cars. As the car
moves on the road normally, the drivers often brake pedal to reduce the average speed of 5
- 10 minutes / time. In contrast, the upper structure of the excavator in a cycle of about 10
seconds to reduce the speed of rotation 2 times. Therefore accumulate more energy hybrid
system that is more efficient.
Kinetic energy of the PC200-8 excavator as well as the standard car. Kinetic energy
is proportional to the product of mass and velocity squared. Therefore, only a small
difference which car is lighter and faster moving heavy excavator PC200-8 but move
slower. But due to the structure of the reduced rotational speed often so huge energy gain.
Basic points that provide energy from the capacitor used to support the engine when
accelerating power of a car is to replace the fire power of the engine.
Product development based on the idea of combining traditional products with hybrid
systems. Therefore, the shape of them seem to be the same. The reason for this is to
produce a series on the standard line was, however, the shape and size not quite as
traditional products.
Because the voltage used for higher hybrid system of traditional construction
equipment so designers have to be careful to design safety. The power switch is simply not
necessary to our safety equipment and they also need to consider the scenario before
deciding the safest design possible. The designers have also developed display system and
error analysis system to assist the operator in the process of using the device.
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