energy saving method of hydraulic accumulator
Improvement of Energy Saving for Hybrid Hydraulic
An estimated 41% of the total potential energy could be regenerated at the lowering of the boom in accumulator-motor-generator system while the recovery efficiency in the motor-generator system is ...
Read More(PDF) MODELING AND SIMULATION OF HYDRAULIC-ENERGY SAVING …
Triet H.H. Et.al [9] have been developed A novel energy-saving hydraulic system based on an HST/hydraulic accumulator combination was investigated through analysis and modeling. The system improves the efficiency of the primary power source. The accumulator is used in a novel way to recover the kinetic energy without reversion of …
Read MoreResearch on energy saving system of hydraulic excavator based on …
Then, a hydraulic excavator energy saving system based on three-chamber accumulator is proposed, which can store and reuse the energy loss from …
Read MorePerformance analysis of an automatic idle speed control system with a hydraulic accumulator for pure electric construction machinery …
1. Introduction Recently, energy efficiency and a low environmental impact have become the basic requirements for construction machinery to meet increasingly stringent emission regulations. Thus, research on …
Read MoreEnergy saving of hybrid hydraulic excavator with ...
According to Ranjan P. et al. [18], a hydraulic accumulator was used to store the regenerated energy. The experiment results showed that the proposed system was 10% more efficient compared to the conventional system. A three-chamber cylinder and hydraulic accumulator boom system was proposed in study of Hao Y. et al. [19]. In …
Read MoreEnergy saving and performance enhancement of hydraulic
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 ...
Read MorePower Matching and Energy Efficiency Improvement of Hydraulic Excavator ...
To address this problem, a hydraulic accumulator is used to balance the load of the power source for assisting starting of the motor and a matching method combined with speed and displacement control of the pump is proposed to improve the energy efficiency and dynamic performance simultaneously under different working …
Read MoreEnergy Saving and Control of Hydraulic Press Fast Forging System …
Request PDF | Energy Saving and Control of Hydraulic Press Fast Forging System Based on the Two-stage Pressure Source | The poor energy efficiency is a big issue in the conventional electro ...
Read MoreEnhancing Energy Efficiency in Hydraulic Excavators based on the …
Abstract: In this paper, a novel configuration of the new independent metering valve (NIMV) with combined the hydraulic accumulator and booster cylinder is proposed for the …
Read MoreResearch on the Pressure Impact Mechanism and Suppression of Digital Hydraulic …
With the development of digital hydraulic technology, digital hydraulic transformer appears as a new type of hydraulic component, which is an important attempt to make hydraulic technology intelligent and energy-saving. The digital variable output of the digital hydraulic transformer is achieved by switching the control valve group. It has the advantages of …
Read MoreEnergy 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 …
Read MoreEnergy-saving Methods for Hydraulic Presses Based on …
and energy accumulator which can bring down machine''s installed power by providing large flow and absorb pressure pulse in a short time [12, 13], are all effective methods to save energy ...
Read MoreEnergy improvement of fineblanking press by valve-pump …
Semantic Scholar extracted view of "Energy improvement of fineblanking press by valve-pump combined controlled hydraulic system with multiple accumulators" by Xu Zhicheng et al. ... An energy-saving method to solve the mismatch between installed and demanded power in hydraulic press.
Read MoreComparison of energy-saving on the speed control of the VVVF hydraulic …
It is volume control system with energy-saving and without relief losses [8]. In this paper, the speed control system of the VVVF hydraulic elevator with the pressure accumulator has been designed, which is a kind of innovation energy-saving hydraulic elevator. The speed control of the VVVF hydraulic elevator with pressure accumulator …
Read MoreResearch On Energy Saving and Performance Enhancement of …
hydraulic c ylinders and hydraulic accumulator w as proposed to recovery the potential energy of the 116 bucket, the stick and the boom, which gained comprehensive energy-saving rate is 41.6 % ...
Read MoreNovel Automatic Idle Speed Control System with Hydraulic Accumulator ...
The hydraulic accumulator (HA) is used to store the energy, which can provide backup pressured fluid when the idle mode is cancelled. Then, a method of how to set the pressure differential between the hydraulic accumulator and the load is proposed and the control law is discussed. ... Currently, there are several energy saving methods …
Read MoreA new type of hydrokinetic accumulator and its simulation in hydraulic …
Since in this work mode the hydraulic energy of the system is converted into the kinetic energy of the rotating accumulator flywheel, this method of energy storage is, due to greater energy losses, less efficient than in the hydrostatic work mode. However, the collected kinetic energy can be of higher density. 3.3. Hydrokinetic mode
Read MoreThe 20MN energy savings fast forging press hydraulic
This paper analyzes the energy saving possibilities with pressure accumulators based on the introduction to the principles of energy saving methods of fast forging press. Two hydraulic system of ...
Read MoreFrontiers | Hydraulic accumulators in energy …
3 Energy storage and reuse from multiple actuators. In many situations, accumulators can be used to store energy during motoring quadrants, i.e., when energy flows from the load into the hydraulic circuit. In one case …
Read MoreAn energy-saving method to reduce the installed power of hydraulic ...
The mismatch between installed and demanded power is the primary cause of low energy efficiency among HPMs. This paper proposes an energy-saving hydraulic drive system based on the flywheel energy ...
Read MoreEnergy saving of hybrid hydraulic excavator with innovative powertrain …
To enhance the energy saving efficiency, this paper proposes an innovative electric hybrid hydraulic excavator, as shown in Fig. 1. The engine, electric motor/generator, invertor, battery, hydraulic pump, and planetary gear are installed in the powertrain of the excavator. The hydraulic motor and generator are installed in the …
Read MoreAnalysis of energy characteristic and working ...
Xing [32] proposed a series structure hydraulic accumulator by improving the structure of the oil outlet valve. This accumulator is in series with the input main circuit to increase the component natural frequency, which shows high energy saving, vibration absorbing and pressure pulsation reducing working performance.
Read MoreEnergy-Saving for a Velocity Control System of a Pipe Isolation Tool Based on a Reinforcement Learning Method …
The method was applied to the PIT control system and achieved an energy saving efficiency of 23.71% when the accumulator inflation pressure is 3 MPa, higher compared to other energy-saving systems. A novel approach was provided for the study of PIT, which could not operate for extended periods owing to lack of energy.
Read MoreComparison of energy-saving on the speed control of the VVVF hydraulic …
An energy recovery system with a hydraulic accumulator that could save and restore energy in a crane''s hydraulic system has also been studied, and it was found that the potential energy of the ...
Read MoreEnergy Saving Implementation in Hydraulic Press Using …
In this study, a mixed method of performing an energy audit of a hydraulic press using IIoT showed improvements in input power factor from 0.79 to 0.9, an 84% reduction in motor starting current, a 40% reduction during the loading cycle, a 65% reduction during the unloading cycle, and a 24% reduction in electrical consumption with …
Read MoreReview of Energy-saving Technologies in Modern Hydraulic Drives
Hydraulic accumulator used its recovery potential energy . ... Except for the well-known energy-saving methods mentioned in the review paper [5][6][7][8][9], such as hybrid system and machine ...
Read MoreProcesses | Free Full-Text | Review of the Progress of Energy Saving of Hydraulic …
4. Current Status of Energy-Saving Research on Hydraulic Control Systems. The above energy loss analysis shows that a portion of the energy loss is caused by the system''s own structure, such as motor transmission efficiency loss, hydraulic pump efficiency loss, and hydraulic pipeline loss.
Read MorePerformance analysis of an automatic idle speed control system …
The traditional energy saving methods used in HEs cannot significantly improve energy savings if there are no further technological breakthroughs. The successful application of pure electric systems in vehicles provides a new method for HEs to achieve energy savings. ... A novel ISC with a hydraulic accumulator (HA) for the two-ton HE …
Read MorePotential energy recovery method based on alternate recovery …
During the lifting process (0.5 s–4.2 s), pump 1 and the hydraulic accumulator drive the energy recovery cylinder and the energy utilization cylinder, and pump 2 is in the unloaded state. Due to the assistance of the hydraulic accumulator, the driving pressure of pump 1 is significantly reduced, with an average of only 14 MPa.
Read MoreExperimental Results on an Energy Saving Method Applied to a …
The energy recovery method is based on the use of a hydraulic power multiplier cylinder and an accumulator. Three working scenarios are presented and the performance of the …
Read MoreFrontiers | Hydraulic accumulators in energy efficient circuits
3 Energy storage and reuse from multiple actuators. In many situations, accumulators can be used to store energy during motoring quadrants, i.e., when …
Read MoreFree Full-Text | Energy Analysis and Verification of a Constant-Pressure Elastic-Strain Energy Accumulator Based on Exergy Method …
Focusing on the low energy-storage efficiency and unstable energy output of existing accumulators, this paper proposes a novel constant-pressure elastic-strain energy accumulator based on the rubber material hyperelastic effect. The proposed accumulator can store and release energy at a constant pressure. Based on the exergy …
Read MoreEnergy saving of hybrid hydraulic excavator with ...
An innovative hydraulic hybrid excavator is proposed in this paper to save energy. An electrical hydraulic continually variable powertrain is proposed to drive the …
Read MoreEnergy-saving Methods for Hydraulic Presses Based on Energy …
Energy-saving method for hydraulic press Based on the analysis of energy dissipation in hydraulic system, two methods to improve the matching degree between the output and input power were proposed. 4.1. ... Journal of Systems and Control Engineering 2010, 224: 31-40. [12] Sun W, Virvalo T. Simulation study on a hydraulic …
Read MoreEnergy-saving strategies on power hydraulic system: An …
Xu B, Yang J, Yang H. Comparison of energy-saving on the speed control of the VVVF hydraulic elevator with and without the pressure accumulator. Mechatronics 2005; 15: 1159–1174. Crossref
Read MoreApplication of Hydraulic Energy-Saving Technology in the …
To cope with the current resource, energy, and environmental problems faced by the manufacturing industry, energy conservation has become a long-term national development strategic policy. Specifically, the problems of high energy consumption and low energy efficiency in hydraulic systems have received considerable attention. Based on …
Read MoreEnergy Saving Implementation in Hydraulic Press Using …
ArticlePDF Available. Energy Saving Implementation in Hydraulic Press Using Industrial Internet of Things (IIoT) December 2022. DOI: 10.3390/electronics11234061. Authors: Sumit. Deepali Gupta ...
Read MoreComparison of energy-saving on the speed control of the VVVF hydraulic elevator with and without the pressure accumulator …
Semantic Scholar extracted view of "Comparison of energy-saving on the speed control of the VVVF hydraulic elevator with and without the pressure accumulator" by Bing Xu et al. DOI: 10.1016/J.MECHATRONICS.2005.06.009 Corpus ID: 108566871 Comparison of ...
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