GGD-AC LV cabinet

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GGD-AC LV cabinet

GGD-AC LV cabinet is applied to distribution system of AC 50HZ, rated voltage 380V, rated current up to 3150A for power users, such as power plant, substation, mining corporation and etc.,and used for driving power, illumination and energy conversion, distributionand control for

distribution equipments.

GGD cabinet broke through the structure form of old products. Its basic frame is partial welded by cold roll forming sectiona lsteel of 8MF. The parts of common used cabinet are designed according to moduleprinciple with installing holes of 20 modules, and the interchange ability of the parts is high. The design of cabinetbody has a good natural ventilation system. The frame, door and face-plate adopt polyester stoving finish after phosphorization, which have the advantages of strong adhesionand goodtexture. No painting parts are all galvanized and passivated.

The protectiongrade of the housing is IP30, and can also be improved accordingto the installation requirements of users.

The connection manners of GGD cabinet normally are upsideand underside incoming lines, meanwhile, the manners of incoming lines fromtop, left, middle and right positions of the cabinet have also been designed tomeet different incoming manners required by all kinds of the project designs. Atthe same time, the fixed location in the cabinet is for special users, such aspower plant, to install additionally relay protection and auto devices.

GGD type LV distributioncabinet conforms with IEC439: LV Switchgearand Controlgear Assemblies andGB7251: LVSwitchgear Assembly.

Q:electrical equipments like resistor,capacitor, transistor, etc: you have to go to asan you kind find many stores selling them. You just go to asan and ask for anyone there they will tell you the way correctly.

Q:How long did it take you to complete? What job do you have now? I am interested in going to school for that and wondering what type of jobs I might have.: It took me 4 years to complete I am in a leadership development programing at a large aerospace company A lot of my classmates got jobs in the defense industry. Most are working in computer enigneering, rf design, or software

Q:hi, i am in my final year electrical engineering can any one provide me the latest booming seminar topics.: seminartopic.in/p/ieee-seminar-topics-1.html

Q:exactly 5 min later:a- Would it damage the power grid?b-Would sudden surge after 5 min create even a bigger loss in energy than what was saved in that 5 min period??I am not an electrical engineer? I keep hearing that sometimes turning off an energy source for short term does not really save any energy? Is that true?Thanks alot.Could you help me with these 2 points?: Yes, in this extreme case, it may damage (BOE calculation: 2 million x ~500 watts: ~1 billion watt) if they are on single grid. In many of equipment (motorized) start-up losses are significant. So, you may end-up with little saving and a big grid failure. But if you leave aside such extreme situations, it is always good to turn off electrical equipments even for a short gap. And just to add, beware of leaking currents (e.g. not disconnecting appliances from the power plug) which are bigger concern.

Q:Hi, I have an interview for an electrical engineering position with my city water district. I have a power and drives background but I am pretty sure that they are not a utility company. What exactly do electrical engineers do at the water cleaning districts? I appreciate anything response I can get. Thanks in advance.: The water district is a public utility. If they did not need someone with your skills, they would not have asked you for an interview. They use a lot of pumps, motors, and other electrical equipment. good luck with your interview.

Q:1. what is electrical and wiring system?2. what are the factors to be considered in designing an electrical wiring system in buildings?3. what are the possible ways of saving energy when designing an electrical and wiring system in buildings?i just need the experts opinion about this.thanks!: A building electrical system includes all of the equipment and wiring designed by the electrical engineer. This begins at the utility power connection and includes the service entrance equipment (meter base, current transformer cabinet and main disconnect switch), a main distribution panel (main breaker panel or main switchboard), and branch circuit distribution panels. The electrical system includes all wiring from the connection to utility power to connections to all electrical utilization of equipment. The electrical system also includes building lighting and lighting controls, building premise wiring for computers, computer hub room equipment, security systems, public address/broadcast system, keyless entry system, fire alarm system, and standby and emergency power systems. The main factors to consider is square footage of building, type of occupancy, number of occupants, and applicable local codes, the number of floors in the building, location of exits and stairwells. These considerations are used especially in determining what voltage with which to serve the building and size (ampacity) of service entrance and main distribution panel. These statistics are also important in the design of the fire alarm system. The main ways to save energy is through use of occupancy sensors and daylighting controls for lighting (the latter assumes windows or skylights for introducing daylight). These controls will keep the lights off unless specific areas are occupied, and lighting along with HVAC are the largest electrical loads. Energy costs (both electricity and heating fuel) can often be significantly reduced by incorporating CO2 sensors and variable frequency drives to control air handlers (large fans) rather then running them continuously at a rate to support maximum building occupancy, as is the case in many buildings.

Q:I have some basic questions about SketchUP and AutoCAD.I'm totally new to 3D software and was planning to enroll in an AutoCADcourse before I found SketchUP and found out some self training with thefree tutorials might give me some good handicap before I go to the more advanced stage.My question is : Is it possible to transfer without any issue (bugs, etc.) a 3D file from SketchUP to Autocad and continue the work in AutoCAD, or vice-versa?What would be the best way for someone like me (that knows almost nothing) to get started?andwhat would be the best figures to start drawing for someone who eventually plans to design mainly electrical heavy equipments?Thanks a lot.: Yes, it is possible to transfer Sketchup files to AutoCAD. You will need to purchase the Pro version of Sketchup though. In my experience its best to always draw in the native program you intend to use. Something always gets lost or confused during any translation. Free Sketchup can import AutoCAD files, but not export them. AutoCAD cannot import Sketchup files. In my opinion Sketchup is really great for quick models artistic renderings. Sure you can spend a lot of time getting the model perfect but it will always look artistic, never real. My advise. Inroll in some AutoCAD training classes, buy some books, get the manual if possible, or at least consult the Help menu within AutoCAD(There are tutorials available within the Help menu also).

Q:1 artificial permanent 2 electromagnetic3 natural: I suppose they all do; Electromagnets are probably the most useful as they can be switched on and off instantaneously. They are used in motors, loudspeakers, relays, televisions etc. artificial permanent magnets can also be found in electric motors, loudspeakers, reed switches etc. As far as i can think natural magnets don't have many applications. but they could be used to make loudspeakers, motors and to operate reed switches for sure. So in short, they all have several applications in electrical equipment. Sorry not to be of more help.

Q:for example, a 3ds?: There is a video on youtube of how to take apart a 3ds. This might make you void your warranty.

Q:i want to where I can transformator ( i do not know the name)But I whant to there is some equipment the you connetectwith your device it will change the current. And please wherecan I buy and approximatly what is the price?Thank you: yes u can but u would need a power volt changer to make them work in the usa the power converters cost between 10.00 - 100.00 dollars

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