This paper proposes a novel hybrid energy storage system (HESS) for the regenerative braking system (RBS) of the front-wheel induction motor-driven battery …
Cornic, D. “Efficient recovery braking energy though a reversible dc substationâ€, IEEE, Electrical Systems for Aircraft, Railway and Ship Propulsion (ESARS), page 1â€"9, Oct. 2010. 664 Lilia Galaï-Dol et al. / Transportation Research Procedia 14
The brake regenerative technique described in the previous section highlights the need to store energy for application to diesel–electric trains. Different technologies and subsystems, such as vehicles, operations, and infrastructure, have been investigated for regenerative braking [ 21 ].
First of all, three methods of storage and utilization of regenerative braking energy are briefly introduced respectively. Then, the advan-tages and disadvantages of these three methods are summarized. Finally, based on the current research situation, the storage and utilization of regenerative braking energy in urban rail transit is prospected.
One of these solutions relies on an advanced battery storage system installed at a trackside substation to capture and reuse the regenerative energy from braking trains. This storage serves a triple valorization purpose: – Reducing the grid energy consumed by assisting the acceleration of trains. – Supporting the grid with primary …
Supercapacitors have a competitive edge over both capacitors and batteries, effectively reconciling the mismatch between the high energy density and low power density of batteries, and the inverse characteristics of capacitors. Table 1. Comparison between different typical energy storage devices. Characteristic.
In addition, the RBS control mechanism could achieve uniform braking force distribution between the front and rear wheels of the vehicle. Furthermore, our findings revealed that the experimental HSC/battery RBS program enhanced the harvesting of the regenerative braking energy, as was evident from the longer driving distance vis-à-vis …
Working principle: This regenerative braking system works on the principle of ''conservation of energy''. The principle says that, the energy converts from one form to another form. In friction braking system, the kinetic energy of the wheel is converted into the heat energy, which is lost to the atmosphere.
Regenerative braking systems (RBSs) are a type of kinetic energy recovery system that transfers the kinetic energy of an object in motion into potential or stored energy to slow the vehicle down, and as a result …
Regenerative braking gets its name from the fact that when a generator makes power, it consumes energy doing it. Attach a handle on a generator and try turning it by hand to charge a battery and you''ll find it hard work. When an EV motor-generator is driven by the wheels, it takes a lot of effort to turn it and that''s what produces a ...
Efficient regenerative braking of electric vehicles (EVs) can enhance the efficiency of an energy storage system (ESS) and reduce the system cost. To ensure swift braking energy recovery, it is paramount to know the upper limit of the regenerative energy during braking. Therefore, this paper, based on 14 typical urban driving cycles, proposes …
Journal of Electrical Engineering & Technology (2023) 18:3941–3949 3943 1 3 still operate normally without a fault, and can still convert electrical energy into mechanical energy. In the same way, if these motors work in the power generation state, electricity can
On the contrary, regeneration by means of electrical braking (EB) provides vehicle slowing down by converting its kinetic energy into electricity that can be stored or used immediately. Thus, a …
In a conventional hydraulic braking system, that means using the friction created between the brake pad and disc, or drum and shoe, to convert the vehicle''s kinetic energy into heat. The heat is then dissipated into the atmosphere and the car slows. In hybrid and electric cars with regenerative braking, this energy is put to much better use.
Efficient regenerative braking of electric vehicles (EVs) can enhance the efficiency of an energy storage system (ESS) and reduce the system cost. To ensure …
The ABS design utilises the braking force generated from the BLDCM of the rear wheel when electrical energy is released to the dummy load as the braking action occurs. A proportional–integral (PI) current controller is designed to determine the pulse-width modulation (PWM) duty cycle at each sampling instant according to the difference …
With the elastic energy storage–electric power generation system, grid electrical energy can drive electric motors to wind up a spiral spring group to store …
This paper focuses on a novel mechanical and electrical dual-pathway braking energy recovery system (BERS) based on coil springs for energy saving applications in EVs. With the aims of maximizing energy recovery efficiency, mechanical and electrical recovery strategies are respectively employed under two different brake situations of inching …
Abstract. Electric rail transit systems are the large consumers of energy. In trains with regenerative braking capability, a fraction of the energy used to power a train is regenerated during ...
Zou et al. [11] used super capacitors to store the energy recovered during braking and came up with a novel method for estimating the amount of recovered energy. The evaluation system of the braking energy recovery of electric vehicles was established.
An electro-mechanical braking energy recovery system is presented. • Coil springs are used for harvesting the braking energy of a vehicle. • The system can provide extra start-up torque for the vehicle. • Efficiencies of 0.56 and 0.53 are obtained in the simulation and
The development of energy regeneration capability in electric vehicles can extend their driving range making them a competent alternative for conventional internal combustion engine vehicles. In this study, a novel energy regeneration technique, called a two-boost method, for electric vehicles driven by a brushless DC (BLDC) motor, a widely …
electrical energy can drive electric motors to wind up a spiral spring group to store energy when power grid is adequate, ... The development of equipment for braking energy recovery with spiral spring Machine Des. …
Operation principle of regenerative braking systems. When braking in a hybrid or electric vehicle, the electric motor switches to generator mode. The wheels transfer kinetic energy via the drivetrain to the generator. The generator turns in a similar way to a bicycle light generator transforming part of the kinetic energy into electrical energy ...
Index Terms— Onboard energy storage, regenerative braking, reversible substation, wayside energy storage. I. INTRODUCTION Increasing the overall efficiency of electric rail transit systems is critical to achieve energy saving, and greenhouse gas (GHG) emission reduction [1], [2]. In general, electric train operation can be divided into four ...
Most fascinating was watching the Tesla''s range actually INCREASE during regen braking, displaying the energy efficiency in real-time. Tesla has designed their cars so that the regenerative braking is "aggressive" enough that with practice, many drivers find they simply don''t need the brakes except for the occasional panic stop.
The probability is high that electronic braking systems (EBS) will emerge as the base brake control system. If not EBS, then the addition of electronically controlled brake valves may be added to the current anti-lock braking system (ABS). While EBS has been in production for 20 years in Europe, ABS is still prevalent for North American …
This project aimed to. regenerate the energy from braking load in the vehicle. In this study, a prototype electric regenerative system is designed a nd. tested experimentally to predict its ...
Electric trains generally have four modes of operation including acceleration, cruising, coasting, and braking. There are several types of train braking systems, including regenerative braking ...
These components can be configured to store or expend energy, making regenerative braking a ''free'' addition. The same is also true for fully electric vehicles since the prime mover, the electric motor, can be used to …