Title: Conversion efficiency of 15hp diesel generator set and popularization of energy knowledge in Cambodian Body: I. Introduction With the advancement of science and technology and globalization, energy issues have become the focus of attention of all countries. As an important energy conversion equipment, the efficiency and performance of diesel generator sets have a direct impact on people's lives and work. This article will introduce the relevant knowledge about the conversion efficiency of diesel generator sets, and popularize energy knowledge from the perspective of Cambodian (Khmer), especially about the conversion efficiency of 15hp diesel generator sets from kilowatts (kW) to kilowatt-hours (kWh). 2. Overview of the conversion efficiency of diesel generator sets A diesel generator set is a device that converts the energy generated by diesel combustion into electrical energy. Its conversion efficiency is affected by a variety of factors, such as equipment quality, operating status, environmental factors, etc. Among them, the conversion efficiency is directly related to the economy and environmental protection of energy use. In practical applications, understanding the conversion efficiency of diesel generator sets is of great significance for selecting suitable equipment, optimizing operation and maintenance, etc. 3. Analysis of conversion efficiency of 15hp diesel generator set As a common power generation equipment, 15hp diesel generator set is widely used in households, enterprises and public facilities. Its conversion efficiency is affected by factors such as equipment model, technical level and operating conditions. Generally speaking, the conversion efficiency of modern high-efficiency diesel generator sets can reach about 30%-40%. In actual operation, measures such as improving the maintenance level of equipment and optimizing operating conditions can help improve conversion efficiency. 4. Conversion from kW to kWh Kilowatts (kW) and kilowatt-hours (kWh) are important units in energy metering. Kilowatts represent the power, reflecting the work done per unit of time; Kilowatt-hours represent energy and reflect the amount of electricity consumed over a period of time. In practice, understanding how to convert from kW to kWh is important for energy management and energy saving. For 15hp diesel generator set, the conversion relationship between power and energy is affected by factors such as running time and operating efficiency. The energy obtained by multiplying the running time by the power is the electric power (kWh). Understanding this conversion relationship can lead to better use and management of diesel generator sets. 5. Popularization of energy knowledge in Cambodian Cambodia, as one of the Southeast Asian countries, has a growing demand for energy. The spread of energy literacy in the Cambodian language has helped to increase awareness and understanding of energy issues among the local population. By publicizing the knowledge of diesel generator sets in terms of performance, conversion efficiency, energy saving and consumption reduction, it will help guide local people to use energy rationally and promote sustainable development. VI. Conclusion In conclusion, it is of great significance to understand the conversion efficiency of diesel generator sets and the conversion relationship from kW to kWh for energy management and energy saving. This paper takes a 15hp diesel generator set as an example to introduce the relevant knowledge and popularize energy knowledge from the perspective of Cambodian. It is hoped that through the introduction of this article, readers can better understand the relevant knowledge of diesel generator sets, improve energy efficiency, and promote sustainable development.