Scheme Based on Economic Analysis of Energy Consumption about Lithium-Electric Excavator Hydraulic System

Abstract:

The Lithium-electric Excavator Hydraulic System (Li-EEHS) is based on economic analysis of energy consumption, and it has changed the excavator counterweight into Lithium-ion Battery in order to replace the engine. A computational analysis which takes the Qingdao heavy industry excavator HW130 as the example demonstrates the accessibility of the scheme. The total efficiency of the excavator has been improved from 7% to 17.1% by the Li-EEHS without energy regeneration, while the cost has been decreased from 750¥/day into 240¥/day. And the cost recovery will take around 3.3 years (about 500,000¥).The article typically analyzes the system scheme and the working features for 4 major Li-EEHS.

• Periodical: Applied Mechanics and Materials (Volume 741)
• Pages: 558-562
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.741.558
• Online since: March 2015
• Authors: Yong Zhi Ma*, Qing Song Hua, Zhen Yu Huang, Tie Zhu Zhang
• Keywords: Economic Analysis of Energy Consumption, Excavator, Hydraulic System, Lithium-Ion Battery, scheme

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