The Education Blog

Posts Tagged ‘Electrical’

If you are interested in becoming an electrician, you’ll be glad to know that there are a variety of training options. Most people select a combination of an educational program and an apprenticeship. There are a number of joint training committees that sponsor training and apprenticeship programs, including the International Brotherhood of Electrical Workers and local chapters of the Associated Builders and Contractors.

These electrician programs last around four years, and include more than 140 hours of classroom education and approximately 2,000 hours of hands-on training per year. Classes include math, science, blueprint reading, electrical theory, first aid and safety. The classroom setting and training depend on the school and the company sponsoring the apprenticeship.

There are a number of programs acquirable that grant student electricians to start in the classroom before moving on to an apprenticeship. It’s up to you whether or not you want to receive the education and hands-on training at the same time. One option is to start out as a helper on job sites, and then work your way into an apprenticeship program. The training begins on a basic level and progresses over time. Some students actually select to train first. These students are usually hired at a more advanced level than those who select to obtain their education and hands-on training simultaneously.

What can you anticipate during your hands-on electrician training? Typically, beginners start out doing basic tasks such as setting anchors and drilling holes. This can lead to setting up wiring, drawing diagrams, and so on. Over the course of your apprenticeship, you will learn and master all of the tasks and skills necessary for working as a professional electrician.

Once you receive your license, you can start your career as an electrician. Continuing education is acquirable if you are interested in a specific type of job. There are country programs, management training programs, and manufacturer-specific education programs acquirable for electricians who want advanced education.

Find more about Electrical Engineering related articles from search form.

2 4, journalists from the Say Grid Power Company in Sichuan Province Project Office of the UHV Office learned that the mortal in charge, during the Year of the Ox Chinese New Year, four-Trent high voltage engineering projects Yibin three Xiangjiaba? Shanghai 800 kV HVDC demonstration project and Jinping – Southern 800 kV HVDC transmission project construction in full swing, Xiluodu – western Zhejiang 800 kV HVDC transmission project in full swing.

2 4, journalists from the Say Grid Power Company in Sichuan Province Special High pressure Engineering Department office responsible mortal know, Ox during the Spring Festival, the three four-Trent high voltage engineering projects Yibin Xiangjiaba? Shanghai 800 kilovolt high voltage direct current transmission demonstration project and Jinping – Southern 800 kilovolt high voltage direct current transmission Construction in full swing, Xiluodu – western Zhejiang 800 kV HVDC transmission project in full swing.

Xiangjiaba? Shanghai Demonstration Project The world’s first 800 kV Xiangjiaba – Shanghai HVDC transmission project construction is the climax of Sichuan. This is my own design and construction of the world’s first self-UHV DC Project. Engineering from Sichuan Yibin Fulong converter station and finish at Shanghai Fengxian converter station, DC line up to 1916 km, the transmission capacity of 640 million kilowatts, with 6-inch thyristors innovation. Yibin Fulong converter station construction on December 21, 2007 officially started construction, is the master floor has been capped, firewall, floor preparation classes have been without water, 500 kV filter support framework has been completed, civil engineering has been coming to an end, about to begin the installation of electrical equipment.

Up line HVDC Transmission Project by the strong support of the Sichuan Provincial Government, Provincial Development and Reform Commission on December 5 last year, held in Chengdu Xiangjiaba – Shanghai 800 kV HVDC transmission line project demonstration project coordination meetings Development and Reform Commission asked the project along the city and county (district) levels of government construction projects in the works, according to “special matter, to do special things fast,” the principle of compensation in land acquisition, home demolition, mass resettlement, traffic coordination, security management, such as blasting to actively cooperate with and support to ensure that national, rustic and smooth construction of key projects.

Line up the line to Chengdu in the project was December 14, 2008, 15 were in Yibin and Luzhou full construction. The project is expected to place into operation in 2010, bipolar. Xiangjiaba – Shanghai 800 kV HVDC pole demonstration project will be place into operation next year. The project record, “18 in the world.” It will lead our country into a massive group network equipment and network technology breakthroughs, and reached a number of major innovations to lead the development of the world’s power peak.

Jinping – Southern Engineering Sichuan second 800 kV HVDC Transmission Project?? Jinping – Sunan works, in the November 14, 2008 by the National Development and Reform Commission approval. Works from Xichang in Sichuan Yulon converter station, placement in Jiangsu converter station with the line length of 2095 km, the transmission capacity of 720 million kilowatts. The project is expected to place into operation in 2011 unipolar.

Currently undertaken by the Sichuan Provincial Power Company has finished preliminary work, Converter Station, “leveling” and pit road is now in full construction. Project volume is 345.6 acres of major projects and massive sites for road transport, “leveling”, including the construction of massive transport path 1581 m, pit road 586 m, site location is smooth, the surround slope protection, drainage ditches, retaining surround construction, severing ditch, gully control and so on. Engineering since December 8, 2008 approaching construction since the construction of three construction units Electric Power Transmission and Distribution companies and engineering companies in Heilongjiang active with the local city, township government, farmers communication and coordination, overcome difficulties and strive to promote progress and create the security, stability and harmonious external building environment. Currently progressing well, with all safety, quality, are in control.

In accordance with the Say Grid Corporation of milestone plans, projects must be finished before the rainy season, Sichuan Electric Power Corporation plans to be finished on Might 8.

Xiluodu – western Zhejiang Engineering
Sichuan third 800 kV HVDC Transmission Project?? Xiluodu – western Zhejiang project, expected to begin construction by the end of 2009. Currently Sichuan Power Grid Corporation in the unified arrangement of the State, has begun handling the project site selection, land and other items pre-approved supporting documentation.

Find more about Electrical Engineering related articles from search form.

Are you seeking to settle up your career in Engineering and wondering to select the right engineering branch for you? You need to work on your interests and you must explore the career opportunities and possibilities before enrolling with a particular section. Electrical Engineering is the one leading branch of engineering which is equipped with a bundle of bright future chances. David Key Fresno states about the job prospects in electrical engineering, You can't only acquire a good job but can utilize your engineering skills to acquire a great deal of money. Nowadays, there are a number of companies active, which are hiring the well – eligible electrical engineering students by offering a good salary package. Therefore, this engineering branch is equipped with prospective job breaks and is attracting the worldwide contenders opting for this golden career.

If you look at the defined meaning of electrical engineering, you can explore it as a set of prominent specialities and a broaden horizon integrated with various practical courses. Electromagnetic and optics, system engineering, signals engineering, telecommunication & radiolocation and electric power system are some of the wild fields of electrical engineering. Instrumental & control, electronics & microelectronic and signals engineering are the other distinctive engineering sections. Nevertheless, you can opt for any of the sub-branch according to your capabilities and the future plans. You can practice measuring different frequencies, optical signals, critical domains and various methods of signal processing by opting to any of the branches.

David Key Fresno also recommend the system engineering as a good career option because, In system engineering, you can learn the solving of complex matrix methods of electrical calculations along with minimizing and maximizing problems, whereas analogy & digital signals the important chapters to work out. Vehicular electronic system, avionics, navigation, personal components and consumer electronics offer the bright era of interesting working possibilities. However, with the estimation of coding, detection theory, instrumental & control system and classic instrumental electrical domains open a large gateway of success for an electrical engineer. You can search these courses on the world wide web and can extract the list of a number of worldwide universities. Its day-to-day rising popularity is increasing the demand of this engineering regularly. If you are really interested in commencing your candidature in electrical engineering then get ready to explore the wide trends of this branch of engineering.

Find more about Electrical Engineering related articles from search form.

Occurrence and causes

Electrical treeing first occurs and propagates when a dry dielectric material is subjected to high and divergent electrical field stress over a long period of time. Electrical treeing is observed to originate at points where impurities, gas voids, mechanical defects, or conducting projections cause excessive electrical field stress within small regions of the dielectric. This can ionize gases within voids inside the bulk dielectric, creating small electrical discharges between the walls of the void. An impurity or defect might even result in the partial breakdown of the solid dielectric itself. Ultraviolet light and ozone from these partial discharges (PD) then react with the nearby dielectric, decomposing and further degrading its insulating capability. Gases are often liberated as the dielectric degrades, creating new voids and cracks. These defects further weaken the dielectric strength of the material, enhance the electrical stress, and accelerate the PD process.

Over time, a partially conductive, branching 3D tree-like figure is formed within the dielectric. The tree can grow to the point that it eventually causes complete electrical unfortunate of the dielectric. This has been a long-term unfortunate mechanism for buried polymer-insulated high voltage power cables. In a similar fashion, 2D trees can occur along the surface of a highly stressed dielectric, or crossways a dielectric surface that has been contaminated by dust or mineral salts. Over time, these partially conductive trails can grow until they cause complete unfortunate of the dielectric. Electrical tracking, sometimes called dry banding, is a typical unfortunate mechanism for electrical power insulators that are subjected to salt spray contamination along coastlines. The branching 2D and 3D patterns are sometimes called Lichtenberg figures.

Technical occurrence

2D carbonized electrical trees (or tracking) crossways the surface of a polycarbonate plate that was part of a trigatron. These partially conducting paths finally led to premature breakdown and operational unfortunate of the device

Electrical treeing or “Lichtenberg figures” also occur in high-voltage equipment just before breakdown. Following these Lichtenberg figures in the insulation during postmortem investigation of the broken down insulation can be most useful in finding the cause of breakdown. An experienced High-voltage engineer can see from the direction and the type of trees and their branches where the primary cause of the breakdown was situated and possibly find the cause. Broken-down transformers, High-voltage cables, bushings and other equipment can usefully be investigated in this way; the insulation is unrolled (in the case of paper insulation) or sliced in thin slices (in the case of solid insulations), the results are sketched and photographed and form a useful archive of the breakdown process.

Types of electrical trees

The electrical trees can be further categorized depending on the different tree patterns. They are dendrites, branch type, bush type, spikes, strings, bow-ties and vented trees. The two most commonly found tree types are bow-tie trees and vented trees.

Bow-tie trees

Bow-tie trees are trees which begin to grow from within the dielectric insulation and grow symmetrically outwards from the electrodes. As the trees begin within the insulation, they have no free supply of air which will enable continuous support of partial discharges. Thus, these trees have discontinuous growth which is why the vented trees usually do not grow long enough to fully bridge the entire insulation between the electrodes, therefore causing no unfortunate in the insulation.

Vented trees

Vented trees are trees which initiate at an electrode insulation interface and grow towards the opposite electrode. Having access to free air is a very important bourgeois for the growth of the vented trees. These trees are healthy to grow continuously until they are long enough to bridge the electrodes, therefore causing unfortunate in the insulation.

See also

Lichtenberg figures.

References

^ Thue, William A. (1997). Electrical Insulation in Power Systems. CRC. pp. 255256. ISBN 0824701062. 

Categories: Dielectrics | Electrical breakdown

Find more about Electrical Engineering related articles from search form.

With increases in new engineers hitting the job market, aggressive certification programs and organisations taking on larger and larger projects it is no surprise the job market is so competitive.

With this increase in the competitiveness inside the electrical engineer job scene, It is critically crucial that your resume contains components that recruiters are searching for.

Here are five components I believe you need to think about to make your resume competitive.

Powerful Front Page

It’s a known fact that some recruiters might see over 200 resumes a day. With so many resumes do you really think an employer is going to sit down and read very single page on apiece single resume? No, it’s just not effective. For this reason, it’s important that your resume has a extremely strong very first page.

What does strong mean?

The intention is that anyone reading your resume should easily sum up your skills without having to read via apiece and apiece page of your resume.

At a minimum the front page should feature your name, role, company and your biggest and ideal career achievements.

Career Summary

Within the career summary section it’s essential you list 10 to 15 of the ideal and proudest accomplishments of your career. For example “Electrical Engineer on 0M project effecting 30,000 customers”.

electrical engineer Key Words

Like any field, Electrical Engineering has keywords like, industrial experience, licensed expert, familiar with local codes, style draft expertise and so on. Just like searching on the internet, recruiters are looking for keywords.

Make sure you sprinkle these keywords all through your resume.

The Correct Quantity Of Info

What’s the “right” quantity of details? Whilst this can be a hotly debated subject, i’ll tell you from expertise if I’m recruiting for a position it is unlikely I’m going to read a 10 or 15 page resume end to end, I just do not have the time. If you have 20 years of encounter pull out the high value comments and compress your resume into a three to 5 page document.

Modern electrical engineer Resume template

A current template helps you to apply for jobs faster as most of the work is already carried out, you just need to populate it. A template ensures you’re submitting documentation in a current format

These five but potent components will go a lengthy method to ensuring that a recruiter gets what they are seeking within the fastest doable time, and you improve your success at gaining an interview.

Find more about Electrical Engineering related articles from search form.