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16 Apr,2024

Electrical equipment operation and maintenance

The operation and maintenance of electrical equipment is a very important link in power system. In order to improve the operation efficiency of electrical equipment and ensure the good operation of power supply system, it is necessary to strictly manage and control electrical equipment. This includes establishing the electrical equipment management department

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16 Apr,2024

Electrical equipment is divided into two types according to its voltage

Electrical equipment can be divided into high-voltage electrical equipment and low-voltage electrical equipment according to its voltage. According to the People's Republic of China industry standard electrical safety work regulations, the voltage to the ground of high-voltage electrical equipment is above 250V, and the voltage to the ground of low-voltage electrical equipment is 250V and below. According to the 2009 Power line Safety Regulations, the voltage level of high-voltage electrical equipment is 1000V and above, and the voltage level of low-voltage electrical equipment is below 1000V. In addition, high-voltage lines generally refer to 3-10 kV lines, and low-voltage lines generally refer to 220/380 volt lines.

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16 Apr,2024

What electrical equipment includes

Electrical equipment includes primary equipment and secondary equipment. Primary equipment is mainly power generation, power transformation, transmission, distribution, electricity and other direct generation, transmission, consumption of electrical energy equipment. Secondary equipment is mainly auxiliary equipment such as control, protection, monitoring, metering and signal transmission. Electrical equipment consists of two parts: power supply and electrical equipment. The power supply includes a storage battery, a generator and its regulator.

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16 Apr,2024

Application of electric power

Power system application is one of the most important fields in energy industry. In 2023, the first National Artificial Intelligence Application Scenario Innovation Challenge Intelligent Energy special Competition was successfully held, attracting participation from well-known universities, research institutes and enterprises at home and abroad.

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16 Apr,2024

The role of electricity in social development

Electricity plays a very important role in social development. First of all, as a basic energy guarantee, electricity has an important supporting role for economic development and social stability. The safe operation and reliable power supply of power grid is one of the key factors for smooth internal circulation. Secondly, wire and cable products are distributed in the entire area along the length direction, unlike motors, transformers or information transmission equipment, programmed switches, etc., installed on a certain "node", easy to control and maintain. Therefore, the long-term safe and reliable operation of wire and cable products is particularly important. Finally, the development of power engineering has also had a profound impact on society, such as the declaration requirements and materials of power engineering construction qualifications.

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16 Apr,2024

What is a power system

Power system is a power production and consumption system composed of power generation, transmission, transformation, distribution and electricity consumption. Its main function is to convert the natural primary energy into electricity, and then transmitted to the user through the transmission line to meet the user's electricity needs. The power system also includes the corresponding information and control system for measurement, regulation, control, scheduling, etc., to ensure that users get high-quality electric energy. The power system is a complex system that needs to be studied and managed by scientific methods.

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16 Apr,2024

Basic knowledge of power systems

The power system is an integral part of modern life, its basic function is to convert energy into electricity and distribute it to users. The power system includes four parts: generation, transmission, transformation and distribution. The frequency characteristics of the power system depend on the frequency characteristics of the load and the frequency characteristics of the generator, while the voltage characteristics depend on the balance of active and reactive power supply and demand in each region. The short circuit of the power system may cause the rotor of the generator to accelerate, destroy the stability of the system, and even cause a large area of power failure. The transmission line is the main artery of the power industry, which is used to transmit electric energy and contact the power plants and substations to make them run side by side, realize the networking of the power system, and can realize the power transmission between the power systems.

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16 Apr,2024

What are the electronic components

Electronic components refers to the general term for various parts and devices used in electronic equipment, and there are a wide variety of them, about 10,000 kinds. According to the role in the circuit, electronic components can be divided into diode class, display device class, photoelectric device class, resistance class, protection class. Among them, common electronic components include diodes, transistors, field effect tubes, optocouplings, varistors and so on. These components are widely used in various areas of electronic products, such as motherboards, notebook computers, mobile phones, scanners, optical disc drives and datapodders.

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16 Apr,2024

Residential district power distribution code

The power distribution standard of residential area is an important standard to ensure the safety of residential power consumption. According to GB/T 36040-2018, the power configuration of residential communities includes residential power load, public facilities power load, supporting commercial housing power load and electric vehicle charging device power load.

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