Power generation refers to the use of power generation equipment to convert hydro energy, petrochemical fuel (coal, oil, natural gas) thermal energy, nuclear energy, and solar, wind, geothermal, and ocean energy into electrical energy. To supply the needs of various sectors of the national economy and people's lives. According to the type of energy, the power generating device is divided into thermal power device, hydroelectric device, nuclear power device and other energy power devices;
Power transmission is the transmission of electrical energy. It forms the overall function of the power system together with power transformation, power distribution, and power consumption. Through the transmission of electricity, the power plants and load centers that are far apart are connected, so that the development and utilization of electrical energy can exceed regional restrictions. Compared with the transmission of other energy sources, power transmission has small losses, high efficiency, flexibility and convenience, easy regulation and control, and low environmental pollution; power transmission can also connect power plants in different locations to implement peak-valley adjustment. Power transmission is an important manifestation of the superiority of electrical energy utilization. In modern society, it is an important energy artery;
After the reform of the electricity sales side, the participating electricity sales entities can be divided into three categories. One is the power company's electricity sales company; the other is the social capital investment in the incremental distribution network and the electricity sales company with the distribution network operation right; Independent power sales companies do not own the operation rights of the distribution network and do not undertake guaranteed power supply services.
Power distribution refers to the network that plays the role of power distribution in the power grid. Usually refers to the network in the power system where the low-voltage side of the secondary step-down transformer directly or after the user drops power, which is the link in the power system that is directly connected to the user and distributes energy to the user. The power distribution system consists of power distribution substations, high-voltage power distribution lines, power distribution transformers, low-voltage power distribution lines, and corresponding control and protection equipment;
Power consumption is the process of consuming power through electrical appliances. It is the last node of the power link. Through the use of electricity, you can also reversely know the construction of the four links of power generation, power transmission, distribution, and sales. It is said that the use of electricity is the first step of "sending, transmitting, distributing, selling, and using";
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