What is an electrician?

Open classification: technology, engineering, electric power, factory, power supply

1 electrician definition

1) Personnel (posts) engaged in industrial production systems such as electric power production and electric power manufacturing.

2) People engaged in the research and application of objective laws of electromagnetic fields are usually called electrical engineers.

3) TBEA, namely TBEA Co., Ltd.

2 electrician type of work

1), thermal power plant

1, electrical attendant?

2. Auxiliary power attendant?

3, centralized control attendant?

4. Elevator repairman?

2) Operation and maintenance of power transmission and substation

1, high-voltage line live repairman?

2. Transmission line maintenance operator?

3. Distribution lineman?

4. Power cable worker?

5. Indoor installer?

6. Substation attendant?

7. Camera attendant?

8. Transformer repairman?

9. Substation maintenance worker?

10, substation live repairman?

1 1, DC equipment repairman?

12, electrical tester?

13, relay protection worker?

14. Is the electricity meter connected to the electrician?

15, electrical instrument?

16, electrical inspector?

17, meter reading accountant?

18, watt-hour meter repairman?

19, power recharge controller?

3), thermal power construction?

1, high-voltage electrical installer?

2. Second line installer?

3. Auxiliary power installer?

4. Cable installer?

4) Power transmission and transformation project construction?

1, transmission line erector?

2. Transformer installer?

3. Secondary Installer of Substation

5) Hydroelectric power plant?

On-duty personnel of hydro-generator set

6), others?

1, dispatcher?

2. electrician?

3. Maintenance electrician?

Note: 1, which is common for some jobs.

7) China's professional qualification appraisal is divided into five grades: primary, intermediate, senior, junior technician (collectively referred to as technician) and senior technician. Therefore, technicians and senior technicians are still workers' series, not titles.

Among them, the third-class electrician is a senior electrician.

8) Professional titles refer to junior engineers (assistant engineers), intermediate engineers (engineers), senior engineers and professor-level engineers (unique to China, equivalent to university professors).

Brief introduction of electrician

Electromagnetism is a basic physical property of natural matter. Therefore, it is necessary to study the laws of electromagnetism and the influence of its application on material production and social life.

All aspects, including energy and information materials, have a profound impact on the pillars of modern society. As a secondary energy source, electric energy can be easily obtained from many aspects (such as water power).

Power generation, thermal power generation, nuclear power generation, solar power generation and other new energy power generation. ), at the same time, it is easy to convert into other forms of energy to meet social production and life.

Various requirements (such as electric, electric, electrochemical energy, electric light source, etc. Compared with other energy sources, electric energy is easier to control in the process of production, transmission and use. This series

Advantages, making electric energy the most ideal secondary energy, attracting people's attention. The development and wide application of electric energy became the second place in modern history after the invention of steam engine.

The core content of the second technological revolution. The large power system that appeared in the 20th century constitutes the main artery of energy transmission in industrial society. The information and control system based on electromagnetism includes

This paper introduces the neural network of modern society. The development and application of various emerging electrical materials have enriched the content of modern materials science. Modern Physics's Understanding of the Unity of the Material World

The development of electrician directly or indirectly influenced the birth and development of system cybernetics. At the same time, the achievements of adjacent disciplines also constantly promote the development of electrician to a higher level.

Secondary development. Therefore, the level of electrician development is an important symbol to measure the degree of social modernization and a powerful lever to promote social production, scientific and technological development and social civilization.

Rod. Electrification and Modern Society Since 19 applied electric energy in 1980s, almost all technical departments of social production and people's life have gradually moved here.

Based on a brand-new technology, it greatly promoted the development of social productive forces, changed the social life style of human beings, and made the 20th century go down in history as an "electronic century".

Electric light developed earlier. It eliminates the restrictions on human life and productive labor at night, greatly prolongs the labor time used by human beings to create wealth, and improves the labor rules.

Pieces, enriched people's lives. This laid the most extensive social foundation for the application of electric energy and became a powerful driving force to promote electric energy production. Electric drive is the most extensive range and form.

As the most important power source, motor fundamentally changed the face of primary industrialization with steam power as the main force in the19th century. Electric heating,

The development of electrochemistry and electrophysics has opened up one new industrial sector and scientific research field after another. In a word, the application of electricity not only affects all aspects of material production, but also

It permeates all levels of human life more and more widely (the wide application of medical instruments and the popularity of household appliances are just two well-known examples). Electrification has become synonymous with modernization to some extent, and the degree of electrification has become an important symbol to measure the development level of social material civilization. Large-scale, multi-level engineering system, light speed and electric energy

Spread, so far failed to achieve industrial-scale storage. Therefore, the production and consumption of electric energy are almost completed at the same time and can be used at the same time. Power generation, transformation, transmission and distribution,

All aspects of electricity consumption constitute an inseparable whole and are always in continuous work. It is the first time in the history of human engineering science that this large-scale power system integrates power generation, power supply and electricity consumption.

One of the most important achievements. By the 1970s, several large power systems with installed capacity exceeding 1 100 million kilowatts had been built in the world, and the largest coverage area reached.

100000 square kilometers. Each system transmits and distributes more than 1 trillion kwh of electricity every year. In this system, active power flow, reactive power flow, higher harmonics, negative sequence

Current, etc. Instantly propagates through the whole system at the speed of light. It can not only transmit a lot of electricity, create huge wealth, but also cause major catastrophic accidents in an instant. In order to ensure this.

The huge system runs safely, stably and economically, which puts forward high requirements for the control mode and automation device of the system. Power system has become one of the social material production departments.

A three-dimensional engineering system with the widest spatial span, strict time coordination requirements and extremely complicated hierarchical division of labor. In a sense, it is the emergence and development of the power system that promotes the system.

The formation of the high-tech field of integrated engineering and automatic control has promoted the development of a series of industrial and scientific research departments. Electrician manufacturing and new electrician technology. Electrician manufacturing is

The production and consumption system of electric energy provides material equipment. With the increasing demand for electric energy, in order to meet the needs of building large power plants, the cooling technology of generators has been improved and adopted.

By adopting new insulating materials and ferromagnetic materials and improving the structural design, the power of a single generator is improved and the cost is reduced. The maximum power of the thermal generator set is from 1926.

160 MW increased to19731300 MW; Hydropower units increased from 108 MW in 1942 to 700 MW in 1978, and nuclear power units were upgraded from 5 MW in 1954.

In 1980s, it was as high as 1300 ~ 1500 MW. With the expansion of power system, the capacity of complete sets of power transmission and transformation equipment has also increased rapidly. After 1952, the first set of 380 was made.

After the complete sets of kv AC power transmission and transformation equipment, 1000 ~ 1500 kv AC power transmission and transformation equipment came out one after another after the 1970s. About 70% of the load in electrical equipment is electricity.

Steel rolling motor, blast furnace blower motor and other power, the single machine power is 12780 kW and 36000 kW respectively, and there are thousands of micro-special electricity with different uses.

Machine. The appearance of power electronics technology not only makes DC transmission technology develop steadily, but also makes AC and DC transmission technology and various power conversion technologies be innovated. it will be

Microcomputer control is closely combined with power execution, and the comprehensive functions of logic, control, monitoring, protection and diagnosis are unified, which effectively promotes the technical trend of mechatronics.

Exploring new power generation methods is an important aspect of electrician development. Since 1954, nuclear power generation has rapidly become the third largest power generation mode after thermal power and hydropower. 50

At the end of 1990s, magnetic fluid power generation rose, and by 1985, an industrial magnetic fluid-steam combined thermal power station of 500,000 kilowatts had been built. Realizing the controlled nuclear fusion reaction is the ultimate solution.

One of the ways of energy problems in human society. All countries are devoted to research. In the 1990s, mankind is moving towards the door to solve this problem. Research on superconducting materials

The new breakthrough shows people the attractive prospect of superconducting electrician era. Fuel cells and power storage batteries can be built in a decentralized way and can supply power without long-distance transmission.

We need to create a new realm systematically. The crystallization of close cooperation between scientific research, technology development and production and application. The technological revolution marked by the application of electric energy is different from the previous technological revolution.

The fundamental point of life is that it does not come directly from workshops or other fields of production practice, but from scientific laboratories. First of all, the birth of technology is its appearance.

Productivity is clearly written in the history of human cognition. Humans have long noticed electromagnetic phenomena in nature, but it was not until AD 1800 that Volta invented the Volta battery in the experiment, which made people

For the first time, the class obtained a continuous and stable power supply, which promoted the research of electricity and turned to current, and began the research of electric energy application such as electrochemistry, arc discharge, lighting and electromagnet.

183 1 year, m Faraday discovered the law of electromagnetic induction through experiments, which promoted the development of electromagnetic science and technology. The discovery of this law not only makes static electricity, electrokinetic electricity (electricity

Flow), mutual induction of current and magnetic field and a series of electromagnetic phenomena reached a more comprehensive and unified understanding, which laid a theoretical foundation for electromechanical energy conversion. 1873

1996, J.C. Maxwell deduced Maxwell's equations and described the basic equations of electromagnetic field theory, which became the theoretical basis of the whole electric field. The invention of the generator came true.

The transformation of mechanical energy into electrical energy has conquered the magical power contained in nature and predicted the arrival of the electrification era. At the same time as the invention of the generator, electric lighting, electroplating, electricity

Industrial production technologies such as solution, electrometallurgy and electric power have matured. It has spawned a power system that integrates power generation, substation, transmission, distribution and electricity consumption. 19th century

The invention of three-phase AC transmission technology in 1990s made the electric power industry, as a basic industry, step into the ranks of modern large-scale industries and ushered in a new era of electrification in the 20th century. Modern part

The development of science, technology and industry is a process of close combination of basic theoretical research, applied research and technological development. The development trend of science and technology integration is increasingly obvious. You have to make one

Physical research turned to collective research. 1876, T.A. Edison took the lead in setting foot on this inevitable road and founded the world's first industrial application research laboratory. In this quilt

In the praised "invention factory", he organized a group of professionals to be responsible for the division of labor and study the same invention, breaking the previous practice that only a few scientists were engaged in research alone.

The tradition of research. This correct path of technological research and development, which adapts to the development level of modern science and technology and productive forces, shows great vitality and not only promotes power generation.

The rapid development of production and electrical manufacturing has also set a precedent for the close integration and coordinated development of basic science, applied science and technology.