New Energy Pure Electric Energy Storage Excavator

Research on Constant Power Control Strategy of Pure Electric Excavator

Appl. Sci. 2020, 10, 7599 2 of 16 train system [8]. In a hybrid hydraulic excavator, even though the EM is used, the engine is still the main power unit. The EM is an auxiliary power source, which

A review of developments in energy storage systems for hybrid excavators

There are different types of energy storage systems available for long-term energy storage, lithium-ion battery is one of the most powerful and being a popular choice of

Sunward''s first pure electric hydraulic excavator

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

Energy Consumption Characteristics of Pure Electric Drive

This study puts forward a kind of hydraulic excavator system, which is based on the LUDV system and driven by a frequency conversion motor, to overcome the low efficiency, poor speed

Sunward''s first pure electric hydraulic excavator rolled

SWE550FE electric hydraulic excavator is the first large-scale pure electric hydraulic excavator independently developed by Sunward Intelligent, which mainly meets the needs of electric excavators in the medium and large open

Parameter Matching and Control of Series Hybrid Hydraulic Excavator

Traditional excavators driven by diesel engine have poor emissions and low energy efficiency. Pure electric driven excavators have high cost and limited endurance. Therefore, at present,

DESIGN AND VERIFICATION OF A NEW ENERGY SAVING ELECTRIC EXCAVATOR

electric energy is more than the capacity of the capacitors. 2.2 Experimental electric excavator (EELEX) To verify the effectiveness of the ELEX design idea suggested in the previous

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

Design and Research on Electro-Hydraulic Drive and

The hydraulic accumulator has the advantages of high power density, fast response, stable operation and high cost performance. However, compared with the electric energy storage method, the hydraulic accumulator

A real‐time energy management control strategy of hybrid energy

To enhance the efficiency and prolong the battery life of hybrid energy systems equipped with battery and supercapacitor for a pure electric loader, this paper proposes a real

Construction machinery giants enter lithium battery and energy storage

As early as 2021, Zoomlion released new energy products such as pure electric pump trucks and off-highway pure electric wide-body dump trucks; Sunward Intelligent also

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