To meet the demanding requirements of hydraulic accumulator and achieve the energy saving, this 232 study proposed a double-stages pressure hydraulic s ystem with a novel controllable accumulator ...
Learn MoreDOI: 10.1016/J.MECHATRONICS.2005.06.009 Corpus ID: 108566871; Comparison of energy-saving on the speed control of the VVVF hydraulic elevator with and without the pressure accumulator
Learn MoreIn addition, 15 sets of motor-pump stations were idle when the HP worked in the WT stage. The actual energy consumed to complete the action is presented in Table 6. Table 6. ... Simulation study on a hydraulic-accumulator-balancing energy-saving systems in hydraulic boom. 50th National Conference on Fluid Power (2005), pp. 371 …
Learn MoreEnergy saving in construction machinery has become an increasingly important issue due to the increase in fuel price and the environmental pollution, especially for a
Learn MoreThe main function of an accumulator is to store hydraulic energy under pressure, which can be used later to supplement the pump flow rate, absorb shock or pulsations, and maintain system pressure during temporary fluid demand surges or power loss. ... Efficient accumulators help in optimizing the hydraulic system''s energy consumption and ...
Learn MoreBased on the detailed review of various energy-saving models, a novel energy-efficient hydrostatic power transmission drive of the chairlift transport system …
Learn MoreTo improve the useful energy efficiency of a hydraulic fine-blanking press (HFBP), a hydraulic system using a combined valve-pump combined with multiple accumulators and comprising a valve ...
Learn MoreTriet 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 …
Learn MoreIn 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 …
Learn MoreThe primary purpose of this paper is to investigate energy regeneration and conversion technologies based on mechanical–electric–hydraulic hybrid energy storage systems in vehicles.
Learn MoreEnergy saving and performance enhancement of hydraulic neblanking press assisted with controllable hydraulic accumulator for sustainability Zhicheng Xu1,2,3 · Lin Hua1,2 · Yanxiong Liu 1,2 Received: 22 April 2023 / Accepted: 20 January 2024 / …
Learn MoreSection snippets Working principle of the integrated control strategy. The proposed hydraulic servo system is demonstrated in Fig. 1. It consists of a double-acting asymmetric cylinder, a fixed displacement pump, two hydraulic accumulators with high and low pressure levels, respectively, namely, HP-accumulator and LP-accumulator, a …
Learn MoreTherefore the VVVF hydraulic elevator is more efficient when it descends with the pressure accumulator. 7. Conclusions (1) The speed control system of the VVVF hydraulic elevator with the pressure accumulator has been proposed, which is a kind of innovation energy-saving hydraulic elevator. (2)
Learn MoreA hydraulic accumulator, the key component of the energy regenerative modality, can be decoupled from or coupled to the HST circuit to improve …
Learn MoreTo address this problem, a new energy-saving system based on hydraulic accumulator is proposed in this paper. A simulation model of the system is established. The simulation shows that the system can recover up to 73% of the gravitational energy while reducing the installed power of the electric motor by 60%, specifically from …
Learn MoreMotor Hydraulic Accumulator Station for Continuous Casting Machine, Find Details and Price about Hydraulic Motor CCM from Motor Hydraulic Accumulator Station for Continuous Casting Machine - FUJIAN SHENGLI INTELLIGENCE INDUSTRY SCIENCE & TECHNOLOGY CO., LTD. ... FOB Price; 1 Piece: US$1,000.00-100,000.00/ Piece: Port: …
Learn MoreThe 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 …
Learn More@article{Liu2020AnalysisOE, title={Analysis of energy characteristic and working performance of novel controllable hydraulic accumulator with simulation and experimental methods}, author={Yanxiong Liu and Xu Zhicheng and Lin Hua and Zhao Xinhao}, journal={Energy Conversion and Management}, year={2020}, volume={221}, …
Learn MoreA hydraulic accumulator, the key component of the energy regenerative modality, can be decoupled from or coupled to the HST circuit to improve the efficiency of the system in low-speed, high-torque situations. ... R. Rahmfeld, Development and Control of Energy Saving Hydraulic Servo Drives, Proceedings of 1 st FPNI-PhD Symposium, …
Learn MoreAt the end of two years (0-24 months) of bioinfestation, there were increases in the consumption of 34%, 30%, and 95% for Pumps 1, 2, and 3, respectively.
Learn MoreTriet 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 …
Learn MoreSave Energy With Efficient Water Cooling Systems ... HYDAC hydraulic accumulators can help. They are versatile, make your machine more convenient to use, secure your hydraulic system and are used to increase the energy efficiency of hydraulic systems and for many other tasks. ... Accumulators stations . Product brochure EN (1.54 MB) PDF ...
Learn MoreOwing to the high-power density and lower price of hydraulic accumulators, this configuration has unique advantages. The combination of VSPC and …
Learn MoreAccumulators have also been used as low-pressure tanks in closed hydraulic circuits (Çalışkan et al., 2015; Costa and Sepehri, 2019), shock absorbers (Porumamilla et al., 2008), and as part of switched hydraulic circuits, where hydraulic power at the actuator is controlled by fast-switching hydraulic valves instead of spool …
Learn MoreAfter reviewing scientific works, the following cases of using hydraulic accumulator were established: enables an economical use of fuel in excavators (); prevents from water shocks in various ...
Learn Morea so-called pressure compensated variable displacement pump1) is used for an energy-saving power source shown in Fig.lb. However this type of power sources was
Learn MoreThe Hydraulic Hybrid Swing System captures the swing braking energy in hydraulic accumulators, the stored energy is re-used during upper-structure …
Learn MoreRequest PDF | On Oct 1, 2019, Ying-Xiao Yu and others published Energy Saving of an Electric Forklift with Hydraulic Accumulator | Find, read and cite all the research you need on ResearchGate
Learn MoreThe 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 …
Learn MoreAC induction motors have been widely used as prime movers in power sources for hydraulic servo systems. The authors have proposed and developed a new-type energy-saving power source for an electro-hydraulic servo system. In this power source, the rotational speed of AC induction motor driving a fixed displacement pump is controlled so …
Learn MoreThe hydraulic scissor lift is a widely used special lifting equipment. In its repeated ascent and descent, the gravitational potential energy of its platform is wasted.
Learn MoreEH3 uses the binary energy source instead of the battery to supply energy to the powertrain, which is hydraulic accumulator-battery. The binary energy source combines the high power ratio characteristics of hydraulic accumulator [13] and the high energy ratio characteristics of battery [14]. The additional torque is provided for starting …
Learn MoreIn hydraulic systems, the hydraulic accumulator is the most commonly used components, which is also the core element of the HRD [20]. According to the way of separating the oil from the gas, the ...
Learn MoreThe hydraulic scissor lift is a widely used special lifting equipment. In its repeated ascent and descent, the gravitational potential energy of its platform is wasted. To address this problem, a new energy-saving system based on hydraulic accumulator is proposed in this paper. A simulation model of the system is established. The simulation …
Learn MoreThe aim of this paper is to show how a hydraulic accumulator can be used in mobile hydraulic systems in order to reduce energy consumption and achieve increased performances.
Learn Moreaccumulator to a 16 MN fast forging hydraulic press to reduce the installed power by the absorption of large flow and pressure pulses. Results show that the accumulator has promising energy-saving effects. Waldemar and Jerzy [30] proposed a new type of accumulator energy storage system by combining the features of a …
Learn More2022 International Conference on Power System and Energy Technology (ICPSET 2022)
Learn MoreA novel energy-efficient system with double-actuator to reduce the energy consumption of hydraulic presses, results indicate that energy consumption can be reduced by 20.61% [44]. A virtual production line is used to present a method for generating assembly process-relational plans for a product according to the configurations of the …
Learn MoreThe Sixth International Conference on Fluid Power Transmission and Control (ICFP'' 2005), Hangzhou, China, April 5-8, 2005 Hydraulic Accumulators as Key Components in Energy
Learn MoreOverflow loss can also be reduced using a combination of hydraulic accumulator and fixed displacement pump such that the hydraulic accumulator stores excess flow and acts as an auxiliary power source [7]. Owing to the high-power density and lower price of hydraulic accumulators, this configuration has unique advantages.
Learn MoreIn this study, a novel double-stage hydraulic system incorporating a hydraulic controllable accumulator (HCA) was proposed to simultaneously improve the energy and working efficiency of the hydraulic fineblanking press. ... Yao J (2016) Energy saving and control of hydraulic press fast forging system based on the two-stage …
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