Joke Collection Website - Mood Talk - Is it better to start the fire pump with star delta or autotransformer start?
Is it better to start the fire pump with star delta or autotransformer start?
Gb 27898. 1-201fixed fire water supply equipment part1:fire air pressure water supply equipment GB 27898.2-201fixed fire water supply equipment part 2: fire automatic constant pressure water supply equipment GB 27898.2-20. Part 3: Fire fighting pressurized and stabilized water supply equipment GB 27898.4-20 1 1 fixed fire fighting water supply equipment GB 27898.5-20 165438 fixed fire fighting water supply equipment GB 27898.2-20 15. Water equipment. Part 2: Automatic constant pressure water supply equipment for fire fighting: 5.4.9 Frequency conversion control equipment for fire fighting. When the frequency converter fails, the fire pump set shall automatically run in power frequency mode. JGJ 16-2008 Code for Electrical Design of Civil Buildings 13.9.6 Two power supply circuits, such as fire pump, fire elevator and smoke exhaust fan, should be automatically switched at the last distribution box. Frequency conversion governor should not be used as the control device in the control loop of fire fighting equipment. Question: Didn't the Fire Department of the Ministry of Public Security be consulted about the formulation of Article 13.9.6 of JJ/KLOC-0-2008 Civil Code, "Variable frequency governor shall not be used as the control device in the control loop of fire fighting equipment"?
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