? ? THF型雙電源控(kong)制(zhi)柜------

? ?

雙電源(yuan)(yuan)控制設備(bei)主要由(you)雙電源(yuan)(yuan)自動(dong)切換裝置組成，可(ke)根據需要在常(chang)用電源(yuan)(yuan)與備(bei)用電源(yuan)(yuan)之間自動(dong)切換，保(bao)證供電的可(ke)靠性和連續性。

依據：消防給水及消火栓系統技術規范GB50974-2014

11.0.17 消(xiao)防水(shui)泵雙電源(yuan)切換時(shi)應符合下列規定：

1 雙(shuang)路電源(yuan)可手動及(ji)自(zi)動切換時(shi)，自(zi)動切換時(shi)間不應大于 2s；

2 當一路電源與內燃機動力(li)切換(huan)時，切換(huan)時間不應大(da)于 15s。

依據(ju)：建筑(zhu)設計防(fang)火規(gui)范(fan)GB50016-2014（2018年版）

10.1.8消防控(kong)制室(shi)、消防水泵房、防煙和(he)排煙風機房的(de)消防用(yong)電設備及消防電梯(ti)等的(de)供(gong)電，應在其配電線路的(de)最末一級配電箱處設置自動切換裝置。

? ? ? The dual power supply control equipment is mainly composed of dual power supply automatic switching device, which can automatically switch between common power supply and standby power supply as required to ensure the reliability and continuity of power supply.

Basis: technical code for fire water supply and hydrant system gb50974-2014

11.0.17 when the dual power supply of fire pump is switched, the following provisions shall be met:

1. When the dual power supply can be switched manually or automatically, the automatic switching time shall not be more than 2S;

2 when one power supply is switched with the power of internal combustion engine, the switching time shall not be more than 15s.

Basis: Code for fire protection design of buildings gb50016-2014 (2018)

10.1.8 for the power supply of the fire control room, fire pump room, smoke control and smoke exhaust fan room, the automatic switching device shall be set at the last level distribution box of the distribution line.