Fixed energy storage tram energy storage cleaning

Why are trams with energy storage important?

Trams with energy storage are popular for their energy efficiency and reduced operational risk. An effective energy management strategy is optimized to enable a reasonable distribution of demand power among the storage elements, efficient use of energy as well as enhance the service life of the hybrid energy storage system (HESS).

What is energy management in a hybrid energy storage system?

Therefore, the energy management of a hybrid energy storage system (HESS) is a key issue to be studied. Through the application of effective energy management control techniques, the power performance of the HESS is ensured, the power braking energy is effectively utilized and the service life of the HESS is enhanced.

How energy management strategy is used in Guangzhou Haizhu trams?

An improved PSO algorithm based on competitive mechanism is developed to obtain the optimal energy management strategy. The obtained energy management strategy has better effects in energy reduction with application in Guangzhou Haizhu tram. Trams with energy storage are popular for their energy efficiency and reduced operational risk.

What is the energy management strategy of fixed power thresholds?

The energy management strategy of fixed power thresholds requires the adjustment of power thresholds. The power supply phase requires lowering the power threshold, i.e., lowering the output maximum power P bmo of the power battery.

How to save energy in rail transportation?

For energy saving and emission reduction in rail transportation, the development of fuel cell electric locomotives based on renewable and clean energy, power locomotives using power batteries, and new locomotives based on various hybrid power have become new technologies and ways [ 1, 2 ].

How do energy storage elements work?

Under the optimal discharge current corresponding to the power threshold value, the energy storage element works according to the two energy management strategies, and the electrical quantity change curve is obtained, as shown in Fig. 6, Fig. 7, Fig. 8, Fig. 9, Fig. 10. Fig. 6. Power supply curve of energy storage elements. Fig. 7.