To ensure that the emergency power supply functions properly in critical situations, the following issues require regular attention in daily use:
1. Site Maintenance
- Check whether the room is well-ventilated and monitor the ambient temperature. For the battery equipped with EPS, the fire protection industry requires that the ambient temperature does not exceed 30℃. Temperature has a significant impact on battery lifespan: for every 10℃ increase above 25℃, the battery lifespan is halved. Units with conditions should install air conditioning.
- EPS must be kept away from fire sources and flammable/explosive materials. Ordinary debris should not be piled up in the room where EPS is placed, as this is not only detrimental to fire safety but also prone to attracting rodents, which may gnaw on cables and cause accidents.
- Humid air in spring and summer can easily cause condensation on the internal control circuit boards of EPS, leading to control failures. Therefore, indoor moisture prevention should be strengthened during these seasons.
- Indoor dust should not be excessive or too dirty. Dust is generally positively charged; excessive accumulation on EPS control boards may cause malfunctions.
- The placement of EPS should not be too close to windows to prevent water immersion, rain, or direct sunlight.
2. Maintenance of Mains Input End
- Regularly check whether the mains voltage is normal and whether the neutral and live wires are misconnected. This is particularly important for grids where EPS is connected to dual mains or backup generators—always verify that the neutral and live wires of the primary and secondary backup power supplies are consistent. If misconnection is found, correct it immediately to avoid EPS failures.
- Users with lightning protectors installed at the front end of EPS should regularly inspect the lightning protectors and grounding wires to ensure they are in normal condition.
- In areas with a high rodent population, protective sleeves should generally be added to input and output cables.
3. Line Maintenance of EPS Output Circuits
- Determine whether the output circuit is short-circuited based on the status of each output circuit breaker of EPS.
- Use clamp meters or similar tools to detect whether each circuit is overloaded.
- Check for abnormal cable temperatures by touch to determine if the wire diameter is appropriate or too small.
4. Maintenance of EPS Itself (Common Issues with EPS)
(Note: Specific common issues and maintenance methods can be supplemented based on actual equipment manuals, such as battery capacity testing, inverter module inspection, and control system debugging.)
With the improvement of national safety awareness, the prominent application advantages of EPS emergency power supplies, and the strong promotion by domestic fire protection and building electrical design industries, the market prospect of EPS is expected to achieve significant growth in the next few years. It may even become a mandatory configuration similar to fire extinguishers.