Flameproof emergency power supply system with high power for auxiliary fan in the coal mine
Abstract：Aiming at the special requirement that remaining uninterrupted ventilation in the working face and the extremely atrocious condition in the coal-mine,a three-phase emergency power supply system with high power to improve the reliability of power supply for auxiliary fan was developed.When the dual power used for the main fan are unable to function normally,the system will supply power for auxiliary fan to ensure uninterrupted ventilation.After the power for the main fan can resume normal power supply,via automatic switch apparatus,the emergency power supply system will cause the main fan to replace the auxiliary fan to supply wind,and at the same time the system will be charged while the auxiliary fan will enter the standby state.The emergency power supply system is comprised of control modules,batteries system modules,inverter modules and protection modules.The time that the system can offer is long up to sixty minutes such that it can prevent gas accumulating or exploring effectively so as to ensure intrinsical safe of the coal mine.
Keywords：coal minefanemergency power supply with high powerPLC
Publication Date：2011-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)