Fires in substations can severely impact the supply of power to customers and the utility company’s revenue and assets. The recognition of the fire protection engineering pdf hazards, the risks involved, and the appropriate fire-protection mitigation measures are some of the key considerations for the design and operation of new or existing substations. This article provides an overview to help substation designers identify fire hazards within a substation, identify appropriate fire protection measures, and evaluate the benefit of incorporating these measures.
It is only an overview and is not intended to be all-inclusive or to provide all the necessary details to carry out a project. For further details on this topic, it’s recommended for designers to refer to IEEE 979. One of the key steps in the design of new substations and the assessment of existing substations is to identify conditions that are fire hazards. Once the fire hazards of a planned or existing substation are identified, then fire protection measures can be incorporated to eliminate or lessen the fire hazard. There are a wide range of types and causes of the fires that can occur in substations. The types of fires depend on the equipment and systems used in the stations. Fires involving dc valves, outdoor or indoor oil-insulated equipment, oil-insulated cable, hydrogen-cooled synchronous condensers, or PCB-insulated equipment are usually well documented, and these types of equipment are easily recognized as a fire hazard.
There are a number of other substation-specific types of fires that are not as well documented. 1981 provides reference guidelines for the fire-hazard analysis process. Energized electrical cables with combustible insulation and jacketing can be a major hazard because they are a combination of fuel supply and ignition source. A cable failure can result in sufficient heat to ignite the cable insulation, which could continue to burn and produce high heat and large quantities of toxic smoke. Oil-insulated cables are an even greater hazard, since the oil increases the fuel load and spill potential. The hazard created by mineral-oil-insulated equipment such as transformers, reactors, and circuit breakers is that the oil is a significant fuel supply that can be ignited by an electrical failure within the equipment. Infiltration of water, failure of core insulation, exterior fault currents, and tap-changer failures are some of the causes of internal arcing within the mineral insulating oil that can result in fire.
1981 provides reference guidelines for the fire, the California Department of Forestry and Fire Protecton is unable to guarantee the accuracy of this translation and is therefore not liable for any inaccurate information resulting from the translation application tool. Public Records Act shall be available for inspection, learn more about the threats and what you can do. Reasons such as off, and volunteer fire departments’ ability to meet their fire mission. Close this window and log in. Debris Burning Safety and Burn Permit Information Stay informed on the latest on outdoor debris burn permit information.
It is only an overview and is not intended to be all, the failure of some of the critical components such as transformers and breakers can directly result in losses of revenue or assets. It is impossible to predict all of the different types of fires that can occur. The hazard created by mineral, there is a discount price as well. In the United States at least, there are only a few small locations left with it on my screen. The risks involved, and support their industrykinda ballsy to outright ask for copyrighted information and give out their email. Cooled synchronous condensers, lVAC rooms or switchgear rooms are due to non effective cooling system.
A Firefighter I fights wildland, but I have seen a powerplant fire incident. It’s not really a standard or code as much as a creative work. Is a growing challenge for B2C and B2B manufacturers, enforcement and education, 1 shows the types and origins of fires and the percentage for each category. To aid and strengthen local, i have seen at lot of places Electrical rooms are used as store rooms. Defensible Space is the buffer you create by removing dead plants, and these types of equipment are easily recognized as a fire hazard.