What is the main purpose of electrical maintenance, and what is the operation and maintenance of ele

The word "electrical" actually comes from Japan, and the word "gas" is purely a syllable, which sounds good and has no real meaning. Electrical engineering is also known as electrical engineering or electrical science, also known as the discipline of electrical engineering. Before 97 years, electrical information was divided into two parts, electrical technology and electronic and information engineering, that is, strong electricity and weak electricity.

Electricity and telecommunications both study electricity, but electricity is used to transmit electricity as energy, and telecommunications is to use electricity as a carrier of signals, and the study of information composed of signals. In other words, telecommunications only uses electricity as a carrier to transmit signals, without studying electricity itself, and the voltage used is very low, usually a few volts is enough. Electrical, on the other hand, is the study of how to ensure electricity, from power generation, transformation, transmission to distribution, the design, manufacture, testing and testing of power equipment, as well as the basic theory of electricity.

There are five sub-disciplines in electrical engineering: Power System Automation: The study of the design, planning, scheduling, control, and protection of power systems Electrical Motors and Appliances:

Research on electrical equipment. It is subdivided into two small specialties: motor and electrical appliances. Motors include generators, motors, and transformers; Electrical appliances are not commonly referred to as electrical appliances, but power equipment such as circuit breakers, disconnectors, transformers, and fuses.

High voltage and insulation technology: mainly study the phenomenon under high voltage, insulation protection design and test and detection of equipment under high voltage, which is subdivided into two specialties: high voltage and insulation, high voltage is mainly test, discharge and research power system overvoltage and protection; Insulation research, insulation materials, insulation testing, etc. Power Electronics & Power Tradition:

Power electronics is the study of the application of electronic technology in the power system, of course, the application of high voltage and high current. Power electronics mainly studies the conversion of electricity, such as alternating current to direct current, direct current to alternating current, alternating current changing frequency, etc., as well as harmonics in power systems and their suppression. There are also those who study power supplies, such as the charging power supply of mobile phones.

The relationship between electric drag and motor is relatively tight, involving control. Electrical theory and new technology: The study is the basic theory of the electromagnetic field of circuits, and the popular research fields are chaos.

The main body of electrical engineering is strong electricity, and of course there are also weak current applications. Schools with strong electrical engineering are generally strong in electricity, and schools with average strength are in the so-called electrical automation technology. Just like a transformer, the higher the voltage level, the fewer manufacturers can manufacture, representing the strength of an enterprise.

Most of the small transformer factories can be built. After graduation, he mainly worked for power systems, power supply bureaus, design institutes, electric power research institutes, power plants, power equipment manufacturing, teachers, electrical enterprises, etc.

To put it simply, it is to sell the electricity bought from the power plant to various users with power needs, of course, the users' needs for electric energy are different.

Because there is more or less distance between the power plant and the user, there must be power lines and transformers, in order to ensure that there are no problems between these connections to the user's power supply, there are many different types of work to ensure normal operation.

There are relay protection, substation operation, transmission line operation and maintenance overhaul, distribution line operation and maintenance overhaul, marketing department and so on.

Of course, there are also some management departments, which I will not list here.

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What are the contents of the inspection of the distribution room?

1. The fixing screws of the connection parts of the main circuit (copper busbar), the knife switch of the branch and the circuit breaker correspond to the instrument indication.

2. Whether there is overheating and discoloration at the connection points of each part of the output line.

3. Whether the three-phase load is balanced during operation and whether the three-phase voltage is the same, check whether the load voltage drop in the workshop exceeds the regulations.

4. There is no abnormal sound and smell inside the power distribution cabinet and electrical appliances.

5. Whether the circuit breaker with arc extinguishing cover and the three-phase arc extinguishing cover are intact.

6. Check whether the circuit breaker and electromagnet core are normal, and whether the coil is overheated or the noise is too loud.

7. Whether the bus insulating clamp is damaged and skewed, and whether the fixing screws of the bus clamp are loose.

8. Whether the surface of the electrical appliances in the distribution cabinet is clean and whether the grounding connection is normal and good.

9. Whether the doors and windows of the power distribution room are in good condition, whether the door of the distribution cabinet is complete, and whether there is water leakage on the roof in rainy days.

10. Whether there are signs of heat discoloration on the body and high and low voltage terminals, and whether there are abnormal noises and odors.

11. The temperature rise of each connecting wire and busbar is normal.

What does the operation and maintenance of electricity do?

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Operation and maintenance of electric power: normal power equipment will inevitably have the practical problems of aging instruments and frequent faults in the process of accumulation of time, and this requires special personnel to carry out equipment inspection and maintenance in advance in order to extend the life of power equipment and reduce the occurrence of failures.

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What are the contents of the inspection of the distribution room? 1. The main circuit (copper busbar), the knife switch of the branch, and the fixing screw of the circuit breaker connection part correspond to the lead indication of the instrument 2, whether there is overheating and discoloration at the connection points of each part of the output line 3, whether the three-phase load is balanced in operation, whether the three-phase voltage is the same, check whether the load voltage drop in the workshop exceeds the provisions 4, whether there is any abnormal sound and odor inside the distribution cabinet and electrical appliances 5, the circuit breaker with the arc extinguishing cover, whether the three-phase arc extinguishing cover is intact 6, check the circuit breaker, Whether the electromagnet core is normal or not, whether the ring is overheated or too noisy 7, whether the bus insulating clamp is damaged and skewed, whether the fixing screws of the bus clamp are loose 8, whether the surface of the electrical appliances in the distribution cabinet is clean, whether the grounding connection is normal and good 9, whether the doors and windows in the distribution room are in good condition, whether the door of the distribution cabinet is complete, whether there is water leakage on the roof in rainy days 10, whether there are signs of heating and discoloration at the body and high and low voltage terminals, whether there is abnormal sound and odor 11, and the temperature rise of each connecting wire and busbar is normal.

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1. Establish a system for the preparation and approval of temporary electricity construction organization design and technical measures for safe electricity use, and establish corresponding technical files.

2. Establish a technical disclosure system. Introduce the overall intention, technical and technical content and precautions of the temporary electricity construction organization design and safe electricity technical measures to professional electricians and all kinds of electricity users, and should perform the signature procedures of the person who made the disclosure and the person to be disclosed on the technical disclosure text, and indicate the date of disclosure.

3. Establish a safety inspection system. Starting from the completion of the temporary power project, the temporary power project is regularly tested, the main contents are: grounding resistance value, electrical equipment insulation resistance value, leakage protector action parameters, etc., in order to monitor whether the temporary power project is safe and reliable, and make a test record.

4. Establish an electrical maintenance system. Strengthen daily and regular maintenance work, discover and eliminate hidden dangers in a timely manner, and establish maintenance work records, record maintenance time, place, equipment, content, technical measures, treatment results, maintenance personnel, acceptance personnel, etc.

5. Establish a project demolition system. After the completion of the construction project, the temporary electric call or the demolition of the project shall have a unified organization and command, and the demolition time, personnel, procedures, methods, precautions and protective measures shall be stipulated.

6. Establish a safety inspection and evaluation system. The construction management department and enterprises shall regularly inspect and evaluate the safety of on-site electricity in accordance with JQ59-88 "Construction Safety Inspection Scoring Standards".

7. Establish a responsibility system for safe electricity use. The operation, supervision, and maintenance of each part of the temporary power project are divided into sections, blocks, and extensions, and are supplemented by necessary rewards and punishments.

8. Establish a safety education and training system. Regularly carry out education and training on the safety of professional electricians and all kinds of electricity users, and all personnel must hold a certificate issued by the labor department, and it is strictly forbidden to work without a license.

There are still some differences in the daily maintenance and maintenance of electrical equipment maintenance work according to the situation of their own equipment, but in general, some basic aspects are still the same, which are explained as follows:

1. Confirm that effective and reliable safety technical and organizational measures have been taken 2 The surface of the insulator is clean, free of cracks, porcelain dropping, brokenness, and discharge2 The connection points of each part of the fastening should be free of corrosion and overheating.

3. Check whether the shell of the cabinet is well grounded and the cabinet is clean and tidy.

4. The soft bus bar has no back buckle, broken strands, loose strands and obvious damage.

5. The hard bus bar is smooth and flat, no deformation, and the phase mark is complete.

6. There is no force on the wire, no hard object pad wear, damage, overload phenomenon7. The power supply protection device works reliably.

8. The power cords of each branch are well insulated and there is no overheating.

9. The strong cutting device is effective and reliable.

10. The indicator light and meter are complete and effective, the relay protection is sensitive and reliable, and the room is clean and tidy, free of flammable materials, and the doors and windows are closed tightly.

12. Implement the termination of the transmission system.

13. Cleaning the site and tidying up with equipment.

Inspect and inspect the operation of electrical equipment under stable and reliable conditions, and at the same time need to have a certain knowledge of electrical equipment, equipment model, function, data selection appropriately, but also have considerable maintenance capabilities, when the fault occurs, can timely eliminate the fault, ensure the normal operation of electricity and equipment to restore power supply, and ensure the normal order of production and life.

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If you are majoring in electrical automation, electrical engineering, mechatronics and other related majors, it is still appropriate to go to the electrical maintenance position, and there are many opportunities for exercise, which is very beneficial to your future career.

1. Cultivate team spirit: many of the electrical maintenance positions in the factory are three-shift operations, and the workers and masters get along day and night, and learn to work together in the handling of electrical faults in the production process, race against time to deal with problems, and resume production as soon as possible.

2. Enhance technical quality: the objects of electrical maintenance are the equipment that is running, and the failure will cause economic losses, and the problem must be solved as soon as possible, which requires excellent technology, and in the process of work, you can learn from skilled workers and technicians, stabilize theoretical knowledge, cultivate hands-on ability, and be very helpful for future development;

3. Accumulation of work experience: experience is very important to engage in electrical technical work, and electrical maintenance work will encounter a variety of problems, which can not only quickly familiarize yourself with the production process and production equipment, but also accumulate a lot of valuable experience in dealing with practical problems and solving problems;

4. Improve communication skills: electrical maintenance work is service work, for production services, in solving problems will deal with many people, there are front-line workers, technical personnel, as well as the leaders of the workshop section, which must learn to communicate with different people to provide faster and better service, subtly improve emotional intelligence, and emotional intelligence is crucial to success.

I worked as an electrical engineer for 8 years, and then I changed jobs to become an electrical and instrumentation engineer. The usual job is maintenance. Now I'm working as an engineer at the research institute.

To tell you the truth, unless you continue your education, you will not learn much about electrical maintenance.

And if you want to develop in the electrical field in the future, you have to continue to get an engineer certificate (difficult) If you have the strength at home, it is best to go to the electricity bureau (you can transfer other jobs internally) in your situation, I guess I didn't learn anything useful in school, go to the steel plant to do electrical maintenance, if you don't want to be a worker for a lifetime, there are two ways.

1. It is easy to continue to study and take the certificate, and it is easy to change jobs or promote technical cadres when the time comes.

2. Learn to come to things and get in touch with secretarial work to a certain extent, change parts and intrigue with others.

I have done electrical maintenance for 4 years and electrical equipment automation for 2 years. First of all, we must be sure that no matter what kind of industry position you are engaged in, as long as you put your heart into it, you will definitely gain it again.

As for the prospects for electrical maintenance: you just have to ask yourself Do you want to be an electrical engineer for automation equipment?

Doing electrical maintenance well requires a lot of hands-on experience to find and solve problems quickly! Whether you can learn things is all up to you, there are still a lot of electrical equipment in the steel plant, as long as you like to go boldly.

Let's go to industrial automation, so that you can learn more.

If you have to work night shifts, the environment is not good, so it is recommended not to go.

1. Firepower.

BAI Power Plant:

1. Boiler overhaul, DU the entire boiler system.

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DAO2, steam internal turbine generator overhaul.

3. High and low voltage electrical equipment (capacitance.

force transformer, high-voltage switchgear, low-voltage switchgear).

4. Electrical test class. Responsible for preventive testing of electrical equipment, relay protection and calibration of automatic devices.

5. Laboratory. Responsible for the testing of water quality, coal quality, oil quality, etc.

6. Mechanical maintenance and processing workshop. Responsible for small processing, machinery maintenance, etc.

2. Hydroelectric power plants:

1. Hydro generator maintenance.

2. Hydraulic machinery maintenance class. Responsible for the overhaul of the hydraulic machinery of the whole plant.

3. Maintenance of high and low voltage electrical equipment (power transformer, high voltage switchgear, low-voltage switchgear).

4. Electrical test class. Responsible for preventive testing of electrical equipment, relay protection and calibration of automatic devices.

5. Laboratory. Responsible for the laboratory of water quality, oil quality, etc.

6. Mechanical maintenance and processing workshop. Responsible for small processing, machinery maintenance, etc.