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Electrotechnics. What?
A. how to learn from electrician to maintenance electrician?

From elementary, intermediate, advanced, technicians to senior technicians, there are textbooks and question banks that can be understood and tested.

The quickest way is to go to a technical school and take an exam while studying;

If you can't go to a technical school, you can also participate in scientific research and training;

B. What knowledge do I need to learn to take the electrician senior technician certificate?

You need to go to the electrician training class organized by the local labor department to participate in the electricity inspection and work permit. They have study materials (electrical homework). I mainly study the safety of electrical work and the basic knowledge of electrical work, and generally don't take the actual operation test. Electrician certificate belongs to the operation qualification certificate and does not represent the actual operation skill level. The main projects include line maintenance, high-voltage operation, low-voltage operation and electric power construction. , many of which are effective in the whole country, engaged in engineering wiring construction, equipment maintenance, electric lighting (lighting) construction, etc. In addition, there is the power duty certificate of the person in charge of the Economic and Trade Commission, which is a necessary qualification certificate for the power sector and is only valid in this province. Electrician skill level certification requires electrician certificate (senior technicians need to go to the province for examination), including theory and practical operation. There are many electrical equipment, such as motors, refrigeration (split, central air conditioning, refrigeration), transformers, frequency converters, equipment control, interlocking, high and low voltage lines, substation equipment, numerical control, elevators, fire fighting equipment and so on.

C. what is the title examination for electrician technicians? Is there a technician electrician training school in Chengdu?

Consult the labor skill appraisal committee of the local labor bureau. If you are qualified to register, there will be organized training courses after registration.

D. What courses do you need to take for maintenance electrician research?

1) electronic technology: analysis of transistor multistage amplifier circuit; Typical circuit analysis and parameter setting of operational amplifier: analysis and design method of typical logic combination circuit and sequential logic circuit; Analysis and design methods of integrated electronic circuits.

(2) Power electronic technology: the basic concepts of power electronic devices, thyristor rectifier circuits and inverter circuits.

(3) Electrical automatic control technology: the basic principle of automatic control; Working principle and parameter setting of double closed-loop DC speed regulation system; Working principle and detection circuit analysis of common sensors; Understand the installation, debugging and electrical detection and diagnosis technology of complex equipment electrical system.

(4) Programmable controller: programming with PLC basic instructions and common function instructions; The steps and design method of controlling the production process with PLC: the relay circuit is converted into the flow chart and program table controlled by PLC.

(5) New technology: the basic concept of numerical control system; Basic concepts of microcomputer application and interface technology; Basic concepts of network communication; Basic concept of AC variable frequency speed regulation system: Basic concept of AC motor vector control speed regulation system: professional development direction.

(6) Be familiar with the basic principles of pneumatic control and hydraulic control, and the methods of drawing identification, analysis and troubleshooting.

(7) Maintenance process preparation: Be able to formulate the maintenance and overhaul process of electrical systems and electrical equipment, and understand the basic methods of electrical design.

(8) Training and guidance: maintenance electrician production practice teaching methods and basic knowledge of pedagogy.

(9) Modern enterprise management knowledge: familiar with enterprise production, technology, quality and other management knowledge.

E. what qualifications do you need to learn electrician?

You don't need a degree to learn electrician. As long as you study hard, dare to endure hardships and are not afraid of being tired, you will certainly succeed. If you want to have a strong theoretical knowledge, you must read more books on electrician. Because being an electrician requires strong theoretical knowledge.

F. I am a senior electrician now, and I want to test what kind of study preparation technicians need to make.

Mainly for practical operation, it is difficult to test technicians. There is a question bank for the theory test, and it is generally no problem to memorize it. The actual operation needs to test the frequency converter, PLC programming and wiring.

G. What qualifications does a maintenance electrician need to apply for?

During the exam, the teacher said that high school (or equivalent to high school) was needed.

They all took the senior exam before taking the exam, and none of them succeeded.

You can ask the teacher what to say first. Generally speaking, the requirements for academic qualifications are not very strict.

H. What subjects do senior electrician technicians need to study?

After two years, you can take the technician exam, and the textbook training school will send it to you.

Our technicians got 1. Comprehensive theoretical examination 2.protel99se drawing 3. Process planning 4. Siemens PLC programming.

5. Elevator troubleshooting 6. thesis defence

This is different in some places, such as protel99se drawing may be changed to cad drawing, and Siemens PLC programming may be Mitsubishi PLC programming. We didn't take the PLC control frequency converter operation this time, so the difficulty was reduced.

I just took the technician exam this year, and the registration fee is 2500 yuan. After obtaining the certificate, the Labor Bureau will subsidize 1900, which is quite cost-effective.

First, the senior electrician technician taught me to learn electrician. They say it will be successful in three months, and it is not difficult. He told me that we don't have to take detours.

Electrical technology has developed rapidly, and it is difficult for even senior technicians to master it all. If you study for three months, it is difficult to issue you a junior certificate with my appraisal experience.

J. What subjects do senior electrician qualification certificates and intermediate senior technicians need to study before they can enter? Thank you.

In fact, there is not much difference between advanced and advanced. I understand that these are just three-phase alternating current, electronic circuits and PLC programming. I learned that now I am basically faced with all kinds of contactors, relays, button switches and wires, but it is more difficult and deeper than the first one.