Prefabricated Transformer Substation

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(1)  Anti-corrosion, waterproof, low temperature rise, low noise, easy installation, no maintenance;

(2)  It uses all-sealed structure. The exposed part of high and low voltage terminal is separated from surrounding by imported sealant waterproof material. It is placed in the pit when installing. And it still works safely when the pit is immersed or the transformer is submerged. It can resist flood water disaster for effectively improving the reliability of power-supply system.

(3)  Low voltage switchgear uses patent outdoor light box-type protective casing. Both sides of the casing can install all-day poster board. It uses small volume, green economic LED light-emitting component

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Q:i have a statistics questions relating to probability!?
clerk 1; 0.4(0.020) 0.0080 clerk 2; 0.3(0.025) 0.0075 clerk 3; 0.3(0.015) 0.0045 answer: clerk 1
Q:can any one tell me if a electrical load is shedded,how much does it cost?
Load shedding doesn't cost the utility company anything. It saves them money when it prevents a system wide brown- or blackout. Load shedding means that the customers participate in a program to shut down some electrical loads in their individual buildings. This might happen whenever the utility grid is in danger of having to produce more electricity than the combined capacity of all the available generating equipment on the system. If there are any costs involved, it might be the lost revenue to the utility from the sales of electricity above the generating capacity or the lost production if one of the customers has to shut down revenue producing equipment.
Q:How to overcome these electrical equipments failure ?
Replace the parts, possibly with parts that have a higher voltage or current rating.
Q:Is it bad practice to disconnect a line with current still running through it?
Some appliances like for instance your computer require a shutdown routine in sequence to be happy. Your computer will complain and cry if you suddenly pull the power and the disk or data may be damaged by sudden disconnect but usually nothing major will happen except loss of your photo or video or term paper. most of the hardware must withstand sudden shutdown but it is not a good routine to practice.
Q:How long would the electrical power lines and other equipment last if no one kept them repaired?
The lines are mostly copper or aluminum for the wires themselves. The towers are steel. They would last for decades easily. But lines that run from transformers to homes or neighborhoods could fail earlier. Look at what happens with ice storms in New England. Substations and transformers would last quite long also. But the power stations would last for anywhere from hours to weeks, depending on the degree of automation, and on chance. .
Q:If I plug a 110v electrical equipment in to a 230v outlet, will it fry?
If it is just 110 volts, yes.
Q:What does an electrical engineer do?
Engineering is all pretty much the same, regardless of what one builds. Consider mechanical engineering. One can either build cars or fix cars. Being able to design engines takes a master's degree at least. Fixing cars can be something done with a trade school Associates degree. This is basically the difference between electricians and electrical engineers. Obviously there are many more jobs for the electricians. There is commercial contracting or residential service or any combination of the two. Of course, you will spend your career wiring circuit breakers and very little else. To get an idea of what an actual electrical design engineer does, take apart anything electrical. All those little chips are entire circuit boards. The little metal legs are power inputs and signal inputs/outputs. Larger circuits are built up from the chips. One has to be able to read the data sheet on the chip and then be able to build a circuit around it. This is far more complicated than replacing blown fuses and explains why design engineers need masters degrees or (preferably) PHD's. If you like building things and are comitted enough to endure the many semesters of math and physics required (besides the electrical engineering itself) then design engineering is going to be both enjoyable and very profitable. Of course, becomming a technician first and then furthering one's education is another route to becomming an actual designer. Remember, besides science, economics is also an issue and education is incredibly expensive in America because people refuse to fund affordable public education with tax increases.
Q:What would i have to do to my sprinter van to power 4k watts worth of electrical equipment?
Are you trying to power 120 Volt or 12 Volt electrical equipment? Either way you're looking at nearly 400 amps of additional load on the vehicle and that's a waaaay lot. If your equipment is 120 volt it would be much easier and cheaper to install a generator. Some generators even have regulated outputs that are very precise and surge-protected for sensitive equipment. If your equipment is 12 volt (such as a rack of amplifiers) then you're looking at adding a couple (or more) alternators and may need custom bracketry and fanbelts to drive them. I was at a car stereo competition years ago and there were vehicles with up to 6 alternators. The problem you will find is alternators are rated at their maximum output, not what they put out at idle. Even a 230 amp alternator may put out less than 100 amps at idle. Look for alternators built specifically for use while idling if this is your situation - either industrial vehicles or special alternators designed for stereo competition with high output at low rpms. If I was you I would research what types of industrial uses the Sprinter has been modified for and some of them may have already solved the very problem you're having.
Q:could an electrical engineer work in mechanical engineering?
That can depend on where the engineer is working and what their work history is. In the company where I worked there was an electrical engineer who was considered an expert in all types of rotating equipment from pumps to compressors to turbines. He was also considered an expert in piping, pressure vessels and heat exchangers. All areas typically considered areas covered by mechanical engineers.
Q:Electrical question ?
The USA National Electrical Code (NEC) states: 210.11(C)(3) at least one 20-ampere branch circuit shall be provided to supply bathroom receptacle outlet(s). This circuit shall have no other outlets. Exception: Where the 20-ampere circuit supplies a single bathroom, outlets for other equipment within the same bathroom shall be permitted. The basement outlet circuit s not a 20-amp circuit because it is 14/3 rather than 12/3. It supplies something other than a bathroom. You could use that circuit for the fan. For the bathroom outlet, you can tap into another bathroom circuit that supplies only bathroom outlets. Otherwise you need a new 20-amp circuit. Since you are talking about 14/3 wire and a gfci outlet I assume that you are in the USA or Canada. I think that Canadian requirements are very similar. PS Regardless of what you think you might need, electrical code requirements need to be followed. You might get away with something that looks good if you don't need to have it inspected or do it without getting a building permit. However, if you sell your house, a prospective buyer might not be able to get a loan if substandard work is discovered.

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