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.

Q: I am confused about this figure because some equipments have 230 Volts AC (50 Hz) specified as their operating voltage while some others have 240 V AC (Hz). I practically measured the supplied voltage. It was something like 235 V AC. So I am confused about the standard figure. Is it 230 V AC or 240 V AC ?: If you measured the supply you must be in India. Why don't you call the electricity supply people and ask them what their official figure is? You should also ask them within what limits the variation is controlled. The difference in the figure stated on an item of electrical equipment, i.e. 230 vs 240, is irrelevant. They all will have a margin, maybe plus or minus 10 or 15%, within which they will work satisfactorily.

Q: I saw something about people who have problems with electrical equipment. Also lights flicker or go on and off or dim. The devices either will not work or act strangely for no apparent reason. There is nothing wrong with the equipment because it will work fine for any other person. There is a metaphysical term for people like this. They also tend ot hear static or voices when tv/radio or computers or off. It has to do with some kind of extra sensory. I am not completely sure though. Does anyone know anything about this? What does it mean?: Hi Ditto. There is a school of thought that believes all living and non living things have their own electrical properties or spheres. Each individual is classified as living thing hence has his/her own electrical property. Sometimes his/her electrical property vibrate on the same frequency with other electricalelectronic devices in his/her vicinity depending on that person state of living. It's usually a temporary state of an affair which will pass eventually.

Q: i pods,cameras,nentendos, ect: All those are allowed on the plane. You cannot use anything that has wireless turned on - so cell phone games can be played if the wireless part of the cell phone can be turned off. Computer is OK if you can turn off wireless internet (won't work up there anyway). Please bring headphones so that you don't annoy neighbors.

Q: Here is the deal. I am majoring in Software Engineering. Which includes a fair bit of coding. I wanna be that guy who can make a robot or a Cell phone or Mp3 player or some sort of gadget. I want to do a dual degree with software engineering. So that i can do the software and make the device. So the plan is like this. If i make a robot i can write code too to make it move and all so that just eliminates 2 minds work. So i want to know which is the appropriate branch. Electrical or the Mechanical.What is the diffence between the two. I went to a college a few days ago and the guy there had made a robotic car. I forget if his major was EE or ME but he was doing Computer science minor. Can someone tell me what it could be ?? I want to make electronic devices. So like you can say that i want to make an iPhone sitting at home all by myself. Which 1 should i pick.Thanks a lot!!!!!!!!!: Look it up.

Q: I am currently studying electrical engineering in college but Im considering maybe teaching math for a while. But I wanted to ask what the daily routine is like for an electrical engineer at workThank you: I am an electrical engineer at the university of texas at austin and I recently interned at L3 as an electrical engineer working with hardware. Basically from what Ive done you really work with testing electrical equipment making sure it works correctly. I worked a lot with multisim, matlab, and other programing/testing devices. You also get to install hardware ocassionally. But most of the time I followed around my mentor and learned what the day to day job required. Had to get a security clearance though.

Q: i am in college and my friend tried to explain his major in electrical engineering but i am not completely sure what an electrical engineer does.: In a nutshell. A changer of materials and its applications in the Electrical Field.basically. Awarded a degree of some sort. Able to search for results and perform specific calculations. Read, interpret and design electrical drawings. Probably specializes in one or more with commissioning, insatallation, repair,design, construction, maintenance, manufacture and testing of electrical equipment. We are clever peoplereally speaking. Hope this helps!

Q: A. Lockout/Tagout involves placing a physical lock and a tag on electrical equipmentB. Lockout/Tagout is necessary prior to working on electrical equipmentC. Lockout/Tagout is intended to ensure that electricity is not returned to the equipment by anyone until it is safe.D. Lockout/Tagout is to be used only in extreme cases of potential electrical hazard.: D is not true - a lock out tage is used whenever applying electricity to the circuit would result in dangerous conditions. When repair work is being done on the circuit equipment for example. Lock out tage are used for more then just electrical too.

Q: I mean for SF6 (gas) containers used to refill electrical quipment such as circuit breakers, must the container be discharged completely, or is it possible to retain a partial amount of SF6 gas in the container for future refilling activities? Any electrical experts out there, would really appreciate your assistance with this. Thanks!: Check the MSDS sheet for safe transport. Is a seal broken before use? Do the containers get returned after use or are they discarded (how?). Your local power company must have info because they use this stuff at switching stations.

Q: As your career develops, what opportunities open up for the senior engineer with experience in Electrical or Electronics Engineering?: Engineers have all doors open to them in both the technical and managerial aspect. With Electrical or Electronics Engineering, you can become a manager of any IT firm or any electricity company. All electrodomestic equipment require as well some sort of electric department which should be ran under an electrical engineer. Construction companies also use electrical engineers to map circuits in houses. Engineers are also suited for business administration and are even preferred over people who studied business management because of their technical knowledge and analytical thinking.

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