The rice cooker is a modern cookware that can be steamed, boiled, stewed, braised, and simmered. It not only can make food cooked, but also can be kept warm, clean and hygienic, no pollution, saves time and effort, and is one of the indispensable tools for the modernization of housework. Kitchen appliances that use electric cooking to cook food. The working temperature is mostly above and below 100 °C, and can be steamed, boiled, stewed, braised, simmered and other cooking operations as shown in the figure is Huafeng CFXB40-650D computerized rice cooker circuit. Transformer For Renewable Energy Transformer For Renewable Energy, Solar Transformer,Wind Mill Transformer, Energy Station Hangzhou Qiantang River Electric Group Co., Ltd.(QRE) , https://www.qretransformer.com