Small Impedance Transformers, CVTs and CCTs, and Their Applications to Small Power Dividers and Ring Filters

2005 ◽  
pp. 240-268
Keyword(s):  
Small Power ◽  
Power Dividers

Main problems of import subsumption in domestic engineering, applicable to small-power electric generator installations

2018 ◽  
Vol 1 (1) ◽  
pp. 46-51 ◽  
Author(s):  
A. V. Shelgunov
Keyword(s):  
Low Power ◽  
Import Substitution ◽  
Power Generator ◽  
Small Power ◽  
Domestic Production ◽  
Power Generators ◽  
Electric Generator ◽  
Generating Sets ◽  
Current State ◽  
Generator Sets

Subject: the subject of the study are low-power generator sets with a power of up to 30 kW.Materials and methods: in this paper, the main domestic legislative documents regulating the requirements for products. An assessment is made of the current state of Russian engine building.Results: the detailed analysis of the modern domestic market of power generating units with a capacity of up to 30 kW is made, the main problems in the field of domestic production of  electric power generators in the range up to 30 kW are revealed, and the prospects for import substitution of gasoline and diesel engines are noted.Conclusions: almost complete absence of the market of domestic low-power generating sets is established, insufficient measures taken to support domestic producers are noted, measures are  proposed for the development of domestic production of power units in the range of up to 30 kW.

Impact of Non-Linear Small Power Receivers on Low Voltage Network Operation Conditions

2014 ◽  
pp. 682-686
Author(s):  
Julian Wosik ◽  
Bogdan Miedzinski ◽  
Artur Kozlowski ◽  
Marian Kalus
Keyword(s):  
Low Voltage ◽  
Small Power ◽  
Operation Conditions ◽  
Non Linear ◽  
Network Operation

PROPOSAL FOR A PRACTICAL CLASSROOM IN THE EDUCATION OF ALTERNATIVE ENERGIES WITH A SMALL POWER WIND GENERATOR

2017 ◽  
Author(s):  
Stefany Kariny dos Santos de Souza Queiroz ◽  
Pedro Celestino Neto ◽  
Isac Barbosa de Almeida ◽  
Clayton Antonio de Oliveira ◽  
Idalmir de Souza Queiroz Júnior
Keyword(s):  
Small Power ◽  
Wind Generator ◽  
Alternative Energies

RELIABILITY ASSESSMENT OF THE RESERVE SYSTEM FOR NPP OWN NEEDS BASED ON THE SMALL POWER ADDITIONAL STEAM TURBINE

2019 ◽  
Vol 57 (4) ◽  
pp. 76-87
Author(s):  
R.Z. Aminov ◽  
◽  
V.E. Yurin ◽  
M.A. Murtazov ◽  
◽  
...  
Keyword(s):  
Steam Turbine ◽  
Reliability Assessment ◽  
Small Power ◽  
Reserve System

scholarly journals Low-Roughness-Surface Additive Manufacturing of Metal-Wire Feeding with Small Power

Materials ◽  
2021 ◽  
Vol 14 (15) ◽  
pp. 4265
Author(s):  
Bobo Li ◽  
Bowen Wang ◽  
Greg Zhu ◽  
Lijuan Zhang ◽  
Bingheng Lu
Keyword(s):  
Additive Manufacturing ◽  
High Surface ◽  
Deposition Process ◽  
High Energy ◽  
Width Ratio ◽  
Thin Wall ◽  
Small Power ◽  
High Surface Quality ◽  
Wall Structures ◽  
Wire Feed

Aiming at handling the contradiction between power constraint of on-orbit manufacturing and the high energy input requirement of metal additive manufacturing (AM), this paper presents an AM process based on small-power metal fine wire feed, which produces thin-wall structures of height-to-width ratio up to 40 with core-forming power only about 50 W. In this process, thermal resistance was introduced to optimize the gradient parameters which greatly reduces the step effect of the typical AM process, succeeded in the surface roughness (Ra) less than 5 μm, comparable with that obtained by selective laser melting (SLM). After a 10 min electrolyte-plasma process, the roughness of the fabricated specimen was further reduced to 0.4 μm, without defects such as pores and cracks observed. The ultimate tensile strength of the specimens measured about 500 MPa, the relative density was 99.37, and the Vickers hardness was homogeneous. The results show that the proposed laser-Joule wire feed-direct metal deposition process (LJWF-DMD) is a very attractive solution for metal AM of high surface quality parts, particularly suitable for rapid prototyping for on-orbit AM in space.

Experimental study on small power generation energy storage device based on pneumatic motor and compressed air

2021 ◽  
Vol 234 ◽  
pp. 113949
Author(s):  
Yonghong Xu ◽  
Hongguang Zhang ◽  
Fubin Yang ◽  
Liang Tong ◽  
Yifan Yang ◽  
...  
Keyword(s):  
Power Generation ◽  
Experimental Study ◽  
Energy Storage ◽  
Compressed Air ◽  
Storage Device ◽  
Energy Storage Device ◽  
Small Power ◽  
Pneumatic Motor

scholarly journals Design and Simulation of a Small Power Two-Bit MC Circuit via Full Adder Logic

2021 ◽  
Vol 1962 (1) ◽  
pp. 012029
Author(s):  
Soumik Bhattacharjee ◽  
Aparna Vyakaranam ◽  
Devu Satya Svpk ◽  
SSS Shameem ◽  
Rafida Sulo ◽  
...  
Keyword(s):  
Full Adder ◽  
Small Power

Considerations on Designing Artificial Muscle Working at High Pressure

2012 ◽  
Vol 268-270 ◽  
pp. 1457-1463
Author(s):  
Li Chao Wang ◽  
Xiao Dong Wang
Keyword(s):  
High Pressure ◽  
Material Properties ◽  
Weight Ratio ◽  
Artificial Muscle ◽  
Force Output ◽  
Compact Structure ◽  
Small Power ◽  
Small Force ◽  
Working Principle ◽  
Contraction Angle

Artificial muscle is a new style of actuator with novel working principle, which owns the advantages of compact structure, high power-to-weight ratio, compliance and easy application. Pneumatic artificial muscle (PAM) is usually used in robotics, medical auxiliaries and other small force output occasions nowadays. However, it suffers problems of small power, hysteresis and poor repeatability. A kind of artificial muscle working at high pressure was researched. Different muscle styles are compared and MicKibben structure is selected while fluid media is determined. Furthermore, factors of geometry and material properties, which limit the ultimate pressure, are analyzed. Formulas and simulations verify the influence of limitation and help to calculate key parameters of 18MPa artificial muscle. Data show that it is possible in theory to design high pressure artificial muscle by overall consideration of initial diameter, initial contraction angle and material properties, initial length only influent the stroke.

Compact Bandpass-Filtering Response Power Dividers with High Isolation and High Frequency Selectivity

2017 ◽  
Vol 37 (1) ◽  
pp. 73-79 ◽  
Author(s):  
Kaijun Song ◽  
Fan Zhang ◽  
Yu Zhu ◽  
Maoyu Fan ◽  
Yong Fan
Keyword(s):  
High Frequency ◽  
Frequency Selectivity ◽  
Power Dividers ◽  
High Isolation
Sign in / Sign up

Export Citation Format

Share Document