Fire Emergency Power Supply
EPS is the English abbreviation of Emergency Power Supply, and its Chinese name is Emergency Power Supply. EPS is a kind of standby AC power supply device that uses weak current to control strong current transformation, which belongs to power electronic power supply equipment. EPS is mainly used for electrical equipment in the fire protection industry, which is mainly used as the backup power supply for emergency power after the mains power failure. The application scope is mainly used in construction engineering, fire protection system, civil and other fields.
How to select the most appropriate fire emergency power supply equipment?
Steps to quickly purchase fire emergency power supply equipment
1、Click to consult
2、Get in touch with our engineers
3、Determine the design scheme
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You need to consider the overall dimensions, efficiency, current strength, protection and cables you will need, as well as any other functions you are looking for. A good power supply can be used for many years, and will have a huge impact on your PC efficiency, so please take the time to choose wisely.
The main power supply shall be 120 VAC. The power supply shall be from the emergency panel or emergency generator panel located at the main switchboard. One. The 120 volt AC power supply shall be dedicated to the fire alarm system panel.
How to confirm the scheme design of fire emergency power supply equipment?
Quick confirmation of several major steps in the scheme design of fire emergency power supply equipment
1、Communicate needs with engineers
2、Review the design scheme
3、Determine the design scheme
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It consists of an inverter charger and rechargeable batteries, which are housed in a portable enclosure. When the main power supply is unavailable, you can use it to power most appliances in your home. In addition, it can also be used as a charger to charge other 12V sealed lead-acid batteries.
The specification for operating systems critical to life safety requires emergency power supplies. For systems that are not classified as requiring emergency power but whose failure may cause a hazard or hinder rescue or fire fighting operations, regulations require backup power as required by law.
How to select the components of fire emergency power supply equipment?
Three points to ensure rapid procurement of fire emergency power supply equipment components
1、Click to consult
2、Contact the Engineer
3、Confirm requirements
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Components of the alarm system.
Fire alarm control panel.
Start the unit.
Pull the station.
Smoke detector.
Pipe detectors.
Heat detectors.
Beam detector.
Aspirating or air sampling smoke detectors.
Different types of fire alarm systems for commercial use
Manual and automatic fire alarms. Fire alarm can be roughly divided into two categories – manual and automatic.
Manual fire alarm system.
Automatic fire alarm system.
Conventional fire alarm system.
Addressable fire alarm system.
How does the fire emergency power supply work?
3 points to ensure the safety of fire emergency power supply equipment
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In case of normal power failure, the emergency power supply system shall automatically provide backup power for connected electronic equipment. According to NFPA 110, an emergency power supply system is required to power these devices within 10 seconds of the actual power failure.
(d) The emergency power supply, its associated transformer equipment and emergency switchboard must be located behind the collision bulkhead, outside the machinery enclosure and above the uppermost continuous deck.
The main power supply of the fire alarm system can be provided by the power company, the engine driven generator (this is not a standby generator, but it is a on-site generator complying with NFPA 72 requirements), the energy storage emergency power supply system (SEPSS), or the cogeneration system.
The rating of the emergency power supply system indicates the duration of its design to operate without refueling, for example, Level 2 is designed to operate for 2 hours without refueling, while Level 48 is designed to operate for 48 hours without refueling
How to test the quality of fire emergency power supply equipment?
Quality key points of fire emergency power supply equipment
1、Complete and pass the test required for the energy storage equipment.
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Once every 36 months
The focus here will be on the main ITM requirements in Chapter 8 of NFPA 110. Some key considerations of ITM will be discussed in detail below, but in general, the emergency power supply system needs to be inspected once a week, once a month, and tested at least once every 36 months.
The minimum allowable duration of the emergency escape lighting system is 1 hour, so your annual emergency lighting test will check whether all your lights are turned on and kept for at least 60 minutes and at most 3 hours, depending on the type of escape you are using.
The emergency power supply system is an independent power supply that can support important electrical systems when normal power is lost. The backup power system may include backup generators, batteries, and other equipment.
How to choose the transportation and packaging mode of fire emergency power supply equipment?
2 points to ensure the safety of transportation and packaging of fire emergency power supply equipment
1、Complete and pass various transportation tests
2、Reinforce the packaging of household transport equipment
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The limit refers to the maximum quantity of each inner package or article used to transport dangerous goods. It can be found in column 7a of the dangerous goods list.
Minimum and maximum temperatures. Changes in humidity and pressure. Shock and vibration during loading and unloading.
How to install the fire emergency power supply?
Three common installation methods of fire emergency power supply
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In the traditional fire alarm system, all equipment such as detectors, sounders and call points are connected to the control panel through separate wires or cables, rather than sharing one. In other words, the first end of the wire is connected to the detector and the second end is connected to the control panel.
The fire alarm system needs to be able to operate continuously during the life cycle of the building, including the time when the main power supply of the building is lost. The fire alarm system is equipped with auxiliary power supply to maintain operation in case of loss of main power supply.
NFPA 72 requires two independent and reliable fire alarm system power supplies: the main power supply and the auxiliary power supply.
The life safety system always needs to be on the emergency power system. This includes the lighting of the exit path, the power supply of the sprinkler pump and the power supply of the fire alarm system. The hospital will place the respirator and other life-saving equipment in the standby power supply.
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