Prefabricated Substation for Wind Power

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Prefabricated Substation for Wind Power


I. It is suitable for power transformation control for 1500kW wind driven generator from 690V up to35kV.


II. Normal Service Condition

1. Altitude: lessthan 1000m.

2. Operation environmentaltemperature: more than -40, and less than +40℃.

3. Relative airhumidity of operation environment is not higher than 90% (equal to airtemperature of +20℃).

4. Horizontal accelerationof earthquake is not more than 0.4m/s2,and the vertical acceleration is not more than 0.2 m/s2.

5. Verticalinclination angel of installation base is not more than 5°, and there is no severe vibration and impact.

6. Installation sitewith good ventilation without explosion, correction, gas and dust which candestroy insulation.

7. Constant waveof voltage is not more than ±5%, and short-term wave is not more than ±10%. Rated frequency is 50Hz.


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Q:Mechanical, electrical, or biomedical engineering?
Well, with a mechanical engineering degree, you can do almost any other engineering discipline, granted you get a little more education in it too. Mechanical engineering is the broadest of the three fields you mentioned above; I've heard of of some mechanical engineers working in the medical device industry, so I would suggest mechanical. Electrical, on the other hand, is a whole other ball game. It deals with circuits and electrical devices,programming, etc. If electricity and magnetism from physics interested you, then I suggest looking into electrical engineering.
Q:Can you connect an electrical equipment requiring 220-240V to an outlet producing 110V?
Yes, if the power it needs does not exceed what a 120V 15 or 20A circuit can provide, and you can get a transformer with adequate capacity to power the applaince.
Q:Software Engineering or Electrical Engineering?
I think that there is an abundance of computer science people out there. However, how many people do you know, know how to use an oscilloscope? Electrical Engineering is going to be the new Computer Science in 10 years, I think. Computer Science had its time during the dot com boom. It's downhill from here.
Q:Electrical Engineering or Mechanical Engineering?
I'm in EE and it's fairly difficult. I hear it's one of the harder ones (according to other engineers), but I enjoy it. It's still not TOO hard. I think that both are fairly important, but I believe that presently the big issue is interfacing with the nervous system/brain, so I might lean toward electrical. But then again, the bionic part itself is mechanical, so I think it just boils down to personal preference.
Q:I'm always tired and sleepy now and i don't know why ?
You may be starting puberty, and that would make this normal.
Q:Some large piece of electrical equipment has a peak power output of 2000 kW.?
Power voltage x current Therefore current power/voltage. Thus, if power is constant at 2000kW current at 480 volts will be: I 2000,000/480 4166.67amps At 240 volts: I 2000,000/240 8333.33 amps However, line losses are current (squared) x resistance Thus the ratio will be 4166.67 (squared) / 8333.33 (squared), resistance remaining constant of course. I make that 0.25 (or 4, if you are thinking that way up!) That help?
Q:My US 120V TV and stereo aren't working in 220 Amsterdam using 3000W transformers bought in US. Why?
In case noone else has a better answer, this might be something to think about not sure if it is correct TV's especially, require the 60Hz frequency of the electricity in order to work properly if the Amsterdam power runs at a different frequency that might be the reason. Transformers convert the power (wattage) correctly, but not all transformers will convert to the correct frequency most transformers will convert wattage at the frequency they are plugged into If this IS the case, you need a wattage and frequency converter for your tv to work again, I may be wrong
Q:Is their a network operated electrical outlet available? ?
You should look for electric regulator. and pick up the one of your choice.
Q:i feel not alive.i feel draind.and weird i was on the computer when i started feeling like this more?
I don't care what people say, electrical equipment and the energy such equipment gives off is not good for you. Take a few hours to go read a book, take a walk or even just a nap. Then, try limiting your time on the computer to as few hours as possible until you begin to feel better; it took me over a month to get back to 'normal' from a bout of computer-induced 'depression.' Good luck.
Q:Various Electrical Equipment Information?
HMI Human Machine Interface Gen-set Engine generator set for generating electricity PLC Program able Logic Controller used in factory automation UPS Uninterruptible Power Supply SCADA Supervisory Control And Data Acquisition industrial control system using HMI and PLCs Citect the software company that specilized in SCADA control MCC Motor Control Center E-Stop Emergency Stop Stop Control PCS/SIS PCS (Process Control Systems) and SIS (Safety Instrumented Systems) Murphy switch shutdown switch actuated when process parameters are not correct, like shutting down an engine when engine oil level is critically low.

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