Energy-saving hydraulic station accumulator principle video
Energy analysis and optimization of main hydraulic system in …
The primary cause of the low energy efficiency of hydraulic presses (HPs) is the mismatch between installed power and demanded power. This study adopts the concept of a high-pressure waterjet cutting system and presents an energy-saving method to reduce the energy dissipation of HPs, where a single drive system composed of multi …
Energy optimization of main hydraulic system in a forging press …
The primary cause of the low energy efficiency of hydraulic presses (HPs) is the mismatch between installed power and demanded power. This study adopts the concept of a high-pressure waterjet cutting system and presents an energy-saving method to reduce the energy dissipation of HPs, where a single drive system composed of multi …
Research papers Research on energy saving system of hydraulic excavator based on three-chamber accumulator …
The energy saving system was tested on a 21.5-ton hydraulic excavator, and the results showed that the energy consumption of the boom lifting hydraulic circuit was reduced by 47.99 %, and the engine fuel consumption was reduced by …
Energy saving and performance enhancement of hydraulic …
In this study, a novel double-stage hydraulic system incorporating a hydraulic controllable accumulator (HCA) was proposed to simultaneously improve the …
Energy-Saving Adaptive Robust Control of a Hydraulic …
In this paper, a novel energy-saving control strategy is proposed for the accurate motion tracking of a hydraulic manipulator. To achieve independent pressure …
CN102454646A
The invention provides an energy-saving hydraulic station which comprises an oil tank, a plunger pump and a working machine, wherein the oil tank is connected to the plunger pump; the plunger pump is connected with the working machine; and the working machine is connected with the oil tank. The energy-saving hydraulic station is characterized in that …
Output feedback control for energy-saving asymmetric hydraulic servo system …
The maximum working pressures of the HP-accumulator and LP-accumulator are and p l1, respectively rrespondingly, the minimum working pressure of the two accumulators are p h2 and p l2 cause the minimu p h1 m demand pressures in extension and retraction stages of the piston are different, the switching points between …
Energy saving and performance enhancement of hydraulic fineblanking press assisted with controllable hydraulic accumulator …
The hydraulic accumulator is widely used for storing energy in hydraulic system, but it is a passive device; the flowrate and volume of hydraulic oil adjusted by the accumulator are not well ...
Research on energy saving system of hydraulic excavator based …
Abstract. As the boom of a hydraulic excavator drops, the potential energy accumulated during the lifting process is converted into thermal energy and …
BOOK 2, CHAPTER 1: Hydraulic Accumulators (part 1)
The following circuit images show some circuits using accumulators for the operations mentioned in 1 to 4 above. Other accumulator circuits and information follow. Using accumulators to supplement pump flow. Some hydraulic circuits require a large volume of oil for a short time; for example to move a large cylinder rapidly to clamp a part.
Catalog HY10-1630/US Hydraulic Accumulators Page …
Hydraulic Accumulators Introduction 4 Parker Hannifin Corporation Hydraulic Accumulator Division Rockford, Illinois USA Accumulator Selection Guide Hydro-pneumatic accumulators are the most widely used type of accumulator in industrial and mobile hydraulic systems. They use compressed gas to apply force to hydraulic fluid. …
Hydraulic accumulators: how do they work?
Hydraulic accumulators are energy storage devices. Analogous to rechargeable batteries in electrical systems, they store and discharge energy in the form of pressurized fluid and are often used to …
Energy-saving starting method of electric motor based on the battery-accumulator …
The principle of hydraulic pump/motor reversely driving the electric motor is shown in Fig. 1 (a). The oil released from the high-pressure accumulator drives the hydraulic pump/motor 5 to operate as a motor, so as to drive the electric motor to start and accelerate. The ...
Accumulators
The inherently higher output of the piston accumulator may make it the best alternative when space is tight. Table 1 lists outputs for 10-gal piston and bladder accumulators operating isothermally as auxiliary power sources over a …
Energy-saving strategies on power hydraulic system: An overview
Different strategies for improving the energy efficiency of a power hydraulic system have been reviewed in this article. The energy-saving scheme is …
A Comprehensive Study of Energy Conservation in Electric-Hydraulic ...
An injection-molding machine (IMM) is equipment that produces all kinds of plastic products. At present, the global production of IMMs amounts to more than 30 million units each year, and its total production accounts for 50% of all plastic molding equipment. Now, the main energy consumption equipment of plastic processing plants consists in IMMs. …
Guidelines for Understanding and Maintaining Hydraulic Accumulators
Guidelines for Understanding and Maintaining Hydraulic ...
Energy-saving starting method of electric motor based on the …
The series electro-hydraulic hybrid powertrain has advantages in improving the dynamic characteristics and increasing the cruising range of battery rail vehicles. In order to reduce the large peak starting current of electric motor, an energy-saving starting method is proposed, which is using the hydraulic pump/motor to reversely drive the electric …
Design, system modeling and energy management for a novel hydraulic …
Liu YH, Jiang JH, Yu QT, et al. Study on the energy-saving principle of hydraulic oil pumping unit with secondary regulation technique. In: Proceedings of ICMEM2005, Nanjing, China, 26–28 October 2005, pp.291–293.
Simulated research on large-excavator boom based on hydraulic energy recovery …
According to the working condition characteristics of a company''s existing XE series 70-ton-large-scale crawler hydraulic excavator, a new hydraulic type is designed for the purpose of energy saving, which contains an accumulator as a reversible energy storage component and a variable pump/motor as an energy conversion element.
Review of the Progress of Energy Saving of Hydraulic Control …
In many different industrial domains, hydraulic control systems are extensively utilized. This paper examines the current state of research and the trajectory of energy-efficient hydraulic control system development. Initially, a quick introduction to the control principles of hydraulic control systems is given. Secondly, hydraulic control …
CN102454646A
The energy-saving hydraulic station is characterized in that an energy accumulation device is added between the plunger pump and the working machine. The hydraulic station has low fault rate, low loss consumption and small pressure oscillation, and the normal and stable production is ensured.
Improvement of Energy Saving for Hybrid Hydraulic Excavator …
To reduce the energy consumption and emission, an innovative powertrain and the energy management strategy are proposed for hydraulic excavator in this paper. The novel powertrain consists of the engine, motor/generator, planetary gear, gearbox, and variable hydraulic pump. The energy regeneration system is also applied on the system …
Review of innovative design and application of hydraulic …
The priority flow valve comprises a priority line and a bypass line. The fluctuation of the output power can be reduced by adjusting the flow of the priority port, whereas the flow of …
Research on energy saving system of hydraulic excavator based …
Download Citation | On Nov 1, 2023, Cheng Yang and others published Research on energy saving system of hydraulic excavator based on three-chamber accumulator | Find, read and cite all the ...
Hydraulic accumulators in energy efficient circuits
In this review article, we presented some major fields where hydraulic accumulators can be used to increase energy efficiency and performance. The …
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