new energy pure electric energy storage excavator

A review of developments in energy storage systems for hybrid …

The ESS (Energy Storage System) is very important in a hybrid system with ICE (Internal Combustion Engine) and motors/generators. Due to the different power …

Contact

Research on the Development of pure electric vehicle power …

Power battery is the key to the widespread use of pure electric vehicles. In this paper, patent mining and data analysis technology are adopted to summarize the development trend and main patentee of battery electric vehicle power battery patent technology. Combined with the patent text, the key technologies in the field of battery …

Contact

A review of developments in energy storage systems for hybrid ...

TLDR. A novel series hybrid hydraulic excavator based on electro-hydraulic composite energy storage, which provides the average power of the system through the diesel engine, and the battery and accumulator are used as the intermediate energy storage devitalize the output current of the battery, and improve the service life of …

Contact

A generation step for an electric excavator with a control strategy and verifications of energy consumption …

Yoon et al. [1] proposed a new type of excavator -electric excavator (ELEX) -with energy saving capacity using the EHAs a conventional HYEX, hydraulic power, corresponding to the maximum ...

Contact

[PDF] Parameter Matching and Control of Series Hybrid Hydraulic …

A novel series hybrid hydraulic excavator based on electro-hydraulic composite energy storage, which provides the average power of the system through the diesel engine, …

Contact

Sunward''s first pure electric hydraulic excavator rolled off the ...

On August 23, 2020, Sunward Intelligent issued an announcement that the company''s first large-scale pure electric hydraulic excavator SWE550FE was off the assembly line. The project team worked overtime, day and night to tackle key problems, overcame many difficulties, and experienced layers of testing. It took only 33 days from design to trial ...

Contact

A Positive Flow Control System for Electric Excavators Based on …

Energy conservation and emission reduction of construction machinery are the focus of current research. The traditional excavator, whose hydraulic pump is driven by the engine, has high fuel consumption and emissions. Furthermore, it is difficult to match the working point of the engine to that of the hydraulic pump. Current pure electric drive technology …

Contact

(PDF) Design and Research on Electro-Hydraulic Drive and Energy ...

the energy demand, pure electric hydraulic excavators with batteries as energy carriers are a promising solution for energy saving [ 4 ]. In terms of the energy potential of excavators, it is more ...

Contact

Design and Research on Electro-Hydraulic Drive and Energy …

In current pure electric-hydraulic excavators, the main power source is the battery, and the working device of the load is the hydraulic system. How to make full use of the …

Contact

Development and key technologies of pure electric construction …

Pure electric construction machinery has four types of power supply. • The core components of the power unit of the pure electric drive system are energy storage …

Contact

Zoomlion Reveals 16 New Energy Products, Fully Embracing …

Zoomlion''s latest fleet of new energy products not only includes the widely-acclaimed world''s first fully-electric truck crane, ZTC250N-EV, but also the grand debut of several other world records ...

Contact

Energy and Operation Characteristics of Electric Excavator With …

In order to improve excavator energy eficiency, an electric excavator scheme using a hydraulic-electric dual-power drive boom system is proposed. A linear actuator, including …

Contact

A review of developments in energy storage systems for hybrid excavator…

In [45,46], electric systems were successfully integrated into excavator booms for energy recovery, resulting in less energy consumption, and hence lower CO 2 emissions. Wang et al. [16] studied ...

Contact

Optimal Energy Management of the Electric Excavator Using …

As a result, a simulation model of the electro-hydraulic drive and energy management strategy of a 1.6 t pure electric hydraulic excavator is built to investigate the energy regeneration and ...

Contact

Energies | Free Full-Text | Design and Research on …

Thus, it is imperative to save energy and develop new energy systems for excavators. Driven by the energy demand, pure electric hydraulic excavators with batteries as energy carriers are a …

Contact

New compound energy regeneration system and control

Firstly, the conventional piston-type hydraulic accumulator is integrated with the hydraulic cylinder to form a three-chamber accumulator, which has a pressurizing function during energy storage. Then, a hydraulic excavator energy saving system based on three-chamber accumulator is proposed, which can store and reuse the energy loss …

Contact

Development and key technologies of pure electric construction machinery …

Types of pure electric CM (PECM) are discussed firstly to give a glance at PECM. Then the characteristics of a pure electric system for CMs are introduced. Key technologies, like variable speed control of the electric motor (EM), hydroelectric EM driving, new hydroelectric actuator, power supply, and energy recovery, are analyzed …

Contact

Energy recovery for hybrid hydraulic excavators: flywheel-based ...

Compared with the development path of new energy for automobiles, enterprises and researchers are also committed to researching hybrid energy and pure electric construction machinery (PECM) [3,4].

Contact

Research on Constant Power Control Strategy of Pure Electric Excavator

2. System Structure. In this paper, an 8-ton electric excavator is taken as the research object to carry out the power system power matching research. The system structure is given in Figure 1. In ...

Contact

Parameter Matching and Control of Series Hybrid Hydraulic Excavator Based on Electro-Hydraulic Composite Energy Storage …

DOI: 10.1109/ACCESS.2020.2999620 Corpus ID: 220071577 Parameter Matching and Control of Series Hybrid Hydraulic Excavator Based on Electro-Hydraulic Composite Energy Storage @article{Wang2020ParameterMA, title={Parameter Matching and …

Contact

Power control strategy and performance evaluation of a novel …

A energy-saving prototype is developed for a 23-ton hydraulic excavator. Several tests are carried out to evaluate the prototype from the perspectives of energy …

Contact

Applied Energy

Results indicated that pure electric vehicles provide cost benefits throughout the vehicle lifetime. ... The developed EHESS is composed of energy storage with eight UC modules, an energy management controller, an electric motor controller, a cooling system, and an energy recovery and regeneration unit. ... In the energy-saving …

Contact

A Positive Flow Control System for Electric …

Energy conservation and emission reduction of construction machinery are the focus of current research. The traditional excavator, whose hydraulic pump is driven by the engine, has high fuel consumption and emissions. …

Contact

A comprehensive review of energy storage technology …

Comparing the domestic and international energy technologies for electric vehicles, the technical routes regarding energy utilization are still lagging behind foreign countries, the comprehensive consideration of pure electric vehicles in the motor, battery and a series of components such as efficiency and energy consumption, after the test …

Contact

Parameter Matching and Control of Series Hybrid Hydraulic …

In this paper, a novel series hybrid hydraulic excavator based on electro-hydraulic composite energy storage, which provides the average power of the system through the …

Contact

An Energy Management Strategy of Pure Electric Mini Hydraulic Excavator …

Abstract. Pure Electric Mini Hydraulic Excavators (PEMHE), endowed with zero-emission, compactness, and quick dynamic properties, play an indispensable role in confined spaces and scenes demanding rapid, precise operations. Nevertheless, the stringent need for installation space significantly curtails the maximum battery capacity …

Contact

Research on boom potential energy recovery system of hybrid hydraulic excavator

Results show that, compared with pure displacement variable concept, the electric power consumption during the idle period can be reduced from 2.05 kW to 0.7 kW, the energy saving ratio under ...

Contact

Parameter Matching and Control of Series Hybrid Hydraulic Excavator …

A novel series hybrid hydraulic excavator based on electro-hydraulic composite energy storage, which provides the average power of the system through the diesel engine, and the battery and accumulator are used as the intermediate energy storage devitalize the output current of the battery, and improve the service life of theattery, is proposed.

Contact

Development of an energy saving electric excavator

This paper is to propose a new type of excavator - electric excavator (ELEX) - with energy saving capacity using six quasi independent electro-hydraulic actuators (EHAs). The quasi-independent configuration minimizes hydraulic interferences among the actuators and losses which occur in HYEXs. In addition, the potential energy accumulated at "up" …

Contact

Parameter Matching and Control of Series Hybrid Hydraulic Excavator …

Pure electric driven excavators have high cost and limited endurance. Therefore, at present, hybrid power train system is an ideal candidate for excavators to realize energy-saving and emission ...

Contact

Design and Research on Electro-Hydraulic Drive and Energy Recovery System of the Electric Excavator …

Energies 2022, 15, 4757 4 of 18 2. Design of the EHDR-EEB 2.1. Structure of the EHDR-EEB A specific electro-hydraulic drive and energy recovery system of an electric excavator boom is shown in Figure 1. The system includes the battery, motor, variable

Contact

Design and Research on Electro-Hydraulic Drive and Energy Recovery System of the Electric Excavator …

In current pure electric-hydraulic excavators, the main power source is the battery, and the working device of the load is the hydraulic system. How to make full use of the advantages of electric energy storage and hydraulic energy storage, and give full play to

Contact

Energy efficiency analysis of integrated drive and energy …

A decentralized variable electric motor and fixed pump (VMFP) system with a four-chamber cylinder is proposed for mobile machinery, such that the energy efficiency can be improved by hydro-pneumatic energy storage, and problems of closed-circuit pump-controlled systems including asymmetrical flow and speed limitation are …

Contact

Review of hybrid electric systems for construction machinery

However, the energy storage device of a pure electric structure has high cost, poor endurance, long charging time and fewer charging stations, which restrict the application of pure electric structures. Download : Download high-res image (27KB) Download : Download full-size image; Fig. 5. Pure electric structure.

Contact

Sunward''s first pure electric hydraulic excavator rolled off the …

On August 23, 2020, Sunward Intelligent issued an announcement that the company''s first large-scale pure electric hydraulic excavator SWE550FE was off the assembly line. The project team worked overtime, day and night to tackle key problems, overcame many difficulties, and experienced layers of testing. It took only 33 days from design to trial ...

Contact

Liugong Electric Excavator Doubles Overweight Green …

The 924FTN-E electric excavator is a new-generation electric excavator technology platform based on Liugong, combined with the special requirements of tunnel construction, such as many stones, …

Contact

Parameter Matching and Control of Series Hybrid Hydraulic …

In this paper, a novel series hybrid hydraulic excavator based on electro-hydraulic composite energy storage, which provides the average power of the system …

Contact

The world''s first mass-produced pure electric excavator, Sany …

The prototype is based on a SANY 1.6-ton small excavator with a bucket capacity of 0.04m³, a maximum digging force of 15.2kN, and a rotation speed of 10r/min. Compared with the fuel model, its internal combustion engine is replaced by a large-capacity lithium battery and a switched reluctance motor

Contact

XCMG exports over 100 pure electric excavators to South America

The over 100 XE270E pure electric excavators exported this time belong to the "E20" new energy equipment supply project in South America, which has created a new record of the largest export order of new energy excavators in China.

Contact

Robust Control for the Hybrid Energy System of an …

Compared with the development path of new energy for automobiles, enterprises and researchers are also committed to researching hybrid energy and pure electric construction machinery ... Hu, B. A …

Contact

Research on Constant Power Control Strategy of Pure Electric Excavator

considering the influence of SOC and temperature on the discharge characteristics of the battery, a piecewise constant power control strategy is proposed to realize the organic unity of power and ...

Contact

Control of electric drive powertrain based on variable speed control …

To ensure energy saving, controllability, power, and safety of construction machinery, the state of each part of the powertrain and the energy flow between them must be monitored and controlled. Pure-electric-drive powertrain control technologies have been mainly used in automobiles [9, 10] and are relatively mature. However, it is quite ...

Contact