High-power energy-saving lamps extend the lighting application technology of low-power energy-saving lamps from small-scale indoor lighting applications to large-scale indoor and outdoor lighting applications. This is a breakthrough and an innovation in application technology. High-power and ultra-high-power energy-saving lamps have two production and assembly methods and two different application methods. One is a self-ballasted integrated high-power energy-saving lamp where the electronic ballast and lamp tube are integrated into one unit; the other is a separate high-power energy-saving lamp where the lamp tube and electronic ballast are each assembled as an independent unit. High-quality separate high-power energy-saving lamps can have a connection distance of 20-30 meters between the lamp body and the electronic ballast. Both installation and usage methods involve installing the lamp and ballast separately, connecting them with a wire. The advantage is that the ballast and lamp tube can be interchanged. If the lamp tube fails, it can be replaced; if the ballast fails, it can be replaced. The separate lamps can be installed in sealed lighting fixtures without worrying about damage to the lamp due to high temperatures. The above two products are available with E27 and E40 lamp holders. Self-ballasted integrated high-power energy-saving lamps can be directly installed on the corresponding lamp holders for lighting. However, integrated energy-saving lamps have certain limitations regarding ambient and operating temperatures, thus their use in sealed lighting fixtures where overall temperature rise is significantly affected is restricted. They are better suited for open-type lighting fixtures; otherwise, their lifespan will be affected. The above is a brief introduction to two different installation and usage methods of high-power energy-saving lamps. Below, we will explain the application of high-power energy-saving lamps in practical lighting based on their performance characteristics. High-power energy-saving lamps are divided into two types based on their installation and usage: active filtering and passive filtering based on APFC and PPFC filtering methods. They are also available with different power factors: high power factor and low power factor. Low-power factor high-power energy-saving lamps cannot be used in applications with high requirements for electromagnetic interference and electromagnetic compatibility, such as automation control, radar stations, telecommunications, navigation, communication, computer rooms, and instrument rooms. Low-power-factor, high-power electronic products should not be installed and used in large quantities in the same area simultaneously. The large-scale, concentrated use of low-power-factor energy-saving lamps, due to excessive harmonic content (third harmonic exceeding 80%), can directly cause phase shift in the power supply, leading to neutral wire overcurrent and potential fires in wiring and equipment. The production of low-power-factor products is generally discouraged, and both domestic and international standards impose certain restrictions on such products. High-power-factor, high-power energy-saving lamps typically have a high power factor, generally above 0.95, and third harmonic content below the standard requirement of 37%. For high-power-factor lamps exceeding 0.99, the total current harmonic content can be controlled below 8%, and the third harmonic content below 5%. With the addition of EMI and EMC suppression circuits at the front end of the filter circuit, electromagnetic compatibility can meet the International Electrotechnical Commission's (IEC) standard requirement of below 45dB. This allows for safe use in applications with high requirements for electromagnetic interference, conducted interference, and radio frequency interference. The third harmonic is well controlled, allowing for large-scale centralized use. It will not cause phase shift in the power supply or overcurrent in the neutral wire. High power factor electronic products are designed with safety features such as overcurrent, overvoltage, and overtemperature protection, ensuring high safety and reliability in large-scale use and preventing accidents and fire hazards. New domestic and international standards promote the use of electronic products with power factors above 0.9, which is also a future design direction for the electric light source industry. [b]The innovation of high-power energy-saving lamps demonstrates many advantages not found in other electric light sources in practical lighting:[/b] 1. High color rendering index, reaching approximately 79-85. This is significantly better than self-ballasted mercury lamps with a color rendering index of only around 0.5. It can be used in important occasions requiring high color reproduction, such as photography, television broadcasting, printing and dyeing factories, textile mills, and laboratories. 2. High luminous efficacy: In practical application circuits operating at 45kHz, the luminous efficacy can reach a technical level of 58LM-68LM/W. Under the same operating conditions, the luminous efficacy of an 85W high-power energy-saving lamp can reach 5800-6300LM, equivalent to the brightness and illuminance of a 400W incandescent or 350W self-ballasted mercury lamp. Energy saving effect reaches over 80%. It is a new product to replace and phase out self-ballasted mercury lamps and incandescent lamps. (Color rendering index is lower than incandescent lamps.) Third, the high power factor reaches 0.95-0.99 or higher, and the lamp's lifespan can reach 5000 hours. High-quality products can have a lifespan of over 8000 hours, five times that of incandescent lamps and more than four times that of mercury lamps. The overall lifespan of a split-type high-power energy-saving lamp can reach over 12000 hours, resulting in significant economic benefits. Fourth, special color temperature manufacturing technology: The color temperature manufacturing technology of high-power energy-saving lamps can range from dark red at 300K to high blue at 20000K. This is a major feature of high-power energy-saving lamps. The applications of special color temperatures are quite unique. A color temperature of 17000K produces astonishing results in the seed cultivation of special plant bioengineering. It allows for the control and improvement of plant growth through illumination at specific color temperatures, and can also be used for targeted plant cultivation. Fifth, special explosion-proof environments: High-power split-type energy-saving lamps can be used in oil refineries, chemical plants, military factories, explosives factories, flour mills, gas plants, gas stations, warehouses, and other environments requiring explosion-proof and fire-proof protection, such as warehouses and areas with high oil content or flammable and explosive materials. They can directly replace mercury lamps and incandescent lamps without changing existing sealed explosion-proof lighting fixtures. Sixth, indoor lighting: They overcome the limitations of insufficient illumination from low-power energy-saving lamps, and can be used in buildings, halls, pavilions, waiting rooms, conference rooms, photography studios, stages, factories, mines, enterprises, large shopping malls, cinemas, theaters, dance halls, restaurants, stadiums, schools, etc., where high-ceilinged spaces require high levels of illumination and brightness. This improves the environmental lighting conditions. VII. Applications in outdoor lighting: It can be used directly in environments with a height of 6-10 meters. Such as: stations, docks, squares, ports, airports, residential areas, stadiums, sports fields, streetlights, and urban lighting projects.