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Gong-kuang zidonghua, 2020 For problems of large output voltage ripple-wave and poor intrinsic safety performance existed in mine-used intrinsic safety type power supply caused by large filtering capacitor of switching converter, a filtering capacitor resolution scheme was ...
CHEN Huili, LI Jie
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Design of a type of intrinsic safety miner lamp with identification card
Gong-kuang zidonghua, 2013 In view of problems that equipments carried by underground miner increase because of individual design and power supply of identification card, and sometimes positioning would fail because that charging or change of battery of identification card are not
HUO Yin-jia, GU Yi-dong
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Design of a new type of intrinsic safety pilot circuit of magnetic starter
Gong-kuang zidonghua, 2014 In view of shortcoming that intrinsic safety pilot circuit controlled by relay exists unstable faults of self-starting and low-voltage starting, a new type of intrinsic safety pilot circuit with optical coupling isolation of mine-used magnetic starter ...
TONG Jun +3 more
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Design of a new type of protection circuit of mine-used intrinsic safety power supply
Gong-kuang zidonghua, 2013 The paper put forward a design scheme of a new type of protection circuit of mine-used intrinsic safety power supply with LM339 comparator and MAX4080SASA current detection chip based on the analysis of advantages and disadvantages of traditional ...
ZHOU Xue-feng
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Development of Mine-used Feedback Type Frequency Converter with Flameproof and Intrinsic Safety
Gong-kuang zidonghua, 2012 In view of problems that two-quadrant frequency converter can not feedback energy and design selection of braking resistant in two-quadrant frequency converter + resistant braking unit may not match with field conditions, a mine-used feedback type ...
YANG Wei-yi
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Modelling the effect of motivation on mental health components with fuzzy logic among elite athletes [PDF]
Scientific ReportsElite athletes operate in high-stress, feedback-rich environments where mental health risk is shaped by motivation and training climate. This study models the joint effects of intrinsic motivation, psychological safety, and mental well-being on anxiety ...
Ayşe Anapalı Şenel +2 more
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Improvement Design of Underground Intrinsic Safety Type Pilot Circuit of Soft Starter
Gong-kuang zidonghua, 2012 The paper introduced working principles and design of intrinsic safety type pilot circuit, and described basic principle of intrinsic safety type pilot circuit designed by relay isolated method, and indicated the circuit has problems of self starting and
YAN Shu-xun, YANG Wei-yi
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Design of Explosion-proof and Intrinsic Safety Type Computer Used in Coal Mine Underground
Gong-kuang zidonghua, 2010 The paper put forward a design scheme of explosion-proof and intrinsic safety type computer used in coal mine underground by use of mature industrial computer technology on ground.
SHAN Cheng-wei +3 more
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Estimate of intrinsic safety of capacitive circuits [PDF]
E3S Web of Conferences, 2019 A universal method has been developed and tested for computer estimate of intrinsic safety of inductive capacitive circuits, which takes into account the most hazardous discharge type by contact closure and the regression dependences are obtained of ...
Hladkov Oleksandr +2 more
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