Zobrazeno 1 - 8
of 8
pro vyhledávání: '"mine-used power supply"'
Publikováno v:
Gong-kuang zidonghua, Vol 46, Iss 9, Pp 83-87 (2020)
For problems of existing mine-used power supply such as inconvenient access, large volume, poor anti-fluctuation ability, complex circuit and high cost, a mine-used adaptive power supply with super wide input voltage range was designed. The power sup
Externí odkaz:
https://doaj.org/article/b2f9438d630742a4b49ea4c0c820f909
Publikováno v:
Gong-kuang zidonghua, Vol 45, Iss 2, Pp 18-23 (2019)
For problems of poor electromagnetic immunity and weak load capacity of current intrinsically safe power supply, a high-performance mine-used intrinsically safe power supply was designed. The power supply is based on quasi-resonant flyback switching
Externí odkaz:
https://doaj.org/article/6aa661e2734343c6917b3ab0cbf28f7f
Publikováno v:
Gong-kuang zidonghua, Vol 43, Iss 8, Pp 83-86 (2017)
According to working condition of mine-used power supply in coal mine underground, novel intrinsically safe power supply with 'ia' grade was designed. The power supply uses a fully enclosed AC-DC module to eliminate special flameproof enclosure, and
Externí odkaz:
https://doaj.org/article/12624ce654a74afab7d5924bb1d0b239
Publikováno v:
Gong-kuang zidonghua, Vol 41, Iss 7, Pp 90-94 (2015)
In view of problems that power supply voltage level and power type between mine-used sensors and DC power supply system is inconsistent, a design scheme of new type of wide range DC input and intrinsic safety type power module was put forward. The po
Externí odkaz:
https://doaj.org/article/bafd96262b71472ebea1a77775c98cac
Publikováno v:
Gong-kuang zidonghua, Vol 39, Iss 7, Pp 11-14 (2013)
For problem that adapted voltage fluctuation range of existing mine-used power is narrow and its use is inconvenience, the paper proposed a design scheme of adaptive power system with AC80-830 V wide voltage input based on full-bridge phase-shift rec
Externí odkaz:
https://doaj.org/article/2cb6a3d5c4f94b759ee2f418509ade36
Publikováno v:
Gong-kuang zidonghua, Vol 39, Iss 4, Pp 36-39 (2013)
For characteristics that power supplys in coal mine underground has multi input voltage grades and are susceptible to disturbed when big equipments are starting or stopping, the paper put forward a design scheme of adaptive wide-voltage power supply
Externí odkaz:
https://doaj.org/article/43a3380ef28345e390c7162a3100554e
Publikováno v:
Gong-kuang zidonghua, Vol 38, Iss 1, Pp 43-46 (2012)
For the problem of harmonic pollution of underground power network caused by existing mine-used three-phase power supply, a mine-used digital three-phase power supply based on STM32F103VB was designed and working principle and control strategies of t
Externí odkaz:
https://doaj.org/article/f90fb8b4c69e4e6b970b3df26cae439d
Autor:
ZHAO Si-hai, ZHOU Jie
Publikováno v:
Gong-kuang zidonghua, Vol 38, Iss 4, Pp 17-19 (2012)
The paper put forward a design scheme of explosion-proof and intrinsic safety DC stabilized UPS used in coal mine based on the principle and characteristics of intrinsic safety power supply, introduced design of main circuit of the power supply. The
Externí odkaz:
https://doaj.org/article/c75ee2b303ab49848cf1581f83c7c7da