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:battery choice and power consumption?
Lithium batteries tend to offer best size to power ratio right now. They are available in rechargeable and disposable. Take a trip to Walmart bearing in mind you may find something you like that is designed to go into something else such as a replacement battery for a cell phone or camera etc.
Q:Fluent speakers of English, could you help me?
Maybe lights but otherwise ok
Q:where can buy a lamp test equipment?
E-Bay -Business Industrial-Electrical Test Equipment
Q:Please help me. i cant find anything about it.?
I can't find out if you don't say what equipment it is.
Q:How is Oil and Gas Industry related to Electrical engineering jobs?
A great deal of electric power is used in extracting oil and gas from the ground, transporting it through pipelines, separating and refining the crude products and distributing the products. Electrical engineers design the required electrical equipment and the associated electric power distribution and control systems. In some situations, electric power must be generated on site rather than purchased from electric utility companies. In addition, electrical engineers are involved in the process instrumentation and control system design. The process control includes both computer systems and specialized electronic equipment.
Q:What kind of power supply (voltage) and adaptors are used in Ukraine?
Ukraine has 220/240 voltage, and a different 3 prong outlets. You can buy converters in most major stores.
Q:Earth Day today. What will you do to help save the planet?
I will go outside and plant some trees and flowers. Go to my local neighborhood garden and help out as well turning my lights off and going to an Earth Day Event today. Well I already went. Do you mind answering mine? It's the first in my profile! :) Thanks
Q:Is electrical engineering just about handling wires?
Electrical engineering is a broad and expansive field that covers almost every aspect of any device or piece of equipment that uses electricity. I have a friend who is a electrical engineer (and is also the smartest person I know), who knows how to design complex Printed Circuit Boards, right down to complex wiring jobs. He currently works as a product engineer for HP. But they do a lot more than that, from designing electronic devices, to working with and designing the high voltage equipment that is used in power grids. Pretty much anything that uses electricity was designed or is maintained by an electrical engineer.
Q:What is the AC Voltage at which domestic electricity is supplied in India ?
Power in the US is 120 VAC +- 5% so 114 to 126 is within tolerances per the maintenance people who were fixing a high voltage at my place. I used to measure 117 at my house. People often say we have 115/230 for our single/double delivery voltages. Most equipment with a range printed on it says 110-125. India presumably is nominally 240.
Q:Electrodes are found in electrochemsistry, not in a generator?
According to Wikipedia: An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte or a vacuum). There is an example of an electrode used in generators, and all industrial/commercial electrical systems. It is called a grounding electrode. It is a metallic rod that is driven deep in to the dirt, to establish a contact with the background Earth voltage. Is the dirt a nonmetallic part of the circuit? Well, dirt often does contain metals in it, but it isn't dominantly metal, so it still is considered non-metallic. And we normally hope that the dirt isn't part of the circuit, but there is a chance that it can become part of the circuit, and that is generally why grounding electrodes are installed. The grounding electrode doesn't really play an active role in the operation of any of the electrical equipment. It is more of a safety feature, as a JUST IN CASE the insulation on the live wire fails. Suppose the live wire insulation fails, and the live wire contacts the metal structure of a device (that isn't intended to play an electrical role), and you as a human victim touch that metal structure. You are also standing on the ground, and the natural path of electric current from the metal structure to the ground is through your body. Unless of course, a better path is established in advance. And that is what a grounding electrode, and the rest of the grounding system does. It establishes electrical continuity with all metals that aren't intended to be electrically involved, so that any failure of the live wire will trip the circuit breaker before there is a chance that the human gets injured.

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