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Because the generator is sealed at the bottom of the dam, so you can't clearly see the appearance of the turbine, you can only see the device on the turbine in the main plant, Huangshi took a look, there are indeed only three generator sets, these turbine units look similar to the generator sets in the Three Gorges Dam of the Yangtze River in TV, but the scale is too small.

"Let's talk, how much power do they have these generator sets?" Huang Shi pointed to the row of three water turbines on the ground in the main plant.

"The single unit capacity of Unit 1 is 150KW, the single unit capacity of Unit 2 is 200KW, and the single capacity of Unit 3 is the highest, it is 300KW. However, their total installed capacity still depends on whether it is in the wet season or the dry season, and whether the power plant is at full capacity, which has an impact on their total installed capacity. ”

"Oh, that's right, this is the main wiring diagram of the power station, right?" Huang Shi glanced at the wall, the inner circle of the wall has a running diagram, just like the kind of train operation diagram that often appears in science fiction movies, through the above diagram reminder can clearly know the wiring of the entire hydropower station in Langdao, and can also know the various equipment used in the entire power station and their quantity.

After a few laps in the main factory building, Huangshi can be regarded as fulfilling his childhood dream, but in fact, there is nothing to see. Then he followed the forgetfulness back to the microcomputer control room, and returned the white coat and helmet to the staff, so it can be said that the inspection trip to the hydropower station was successfully concluded.

Huang Shi and Dan Forget stood in the square in front of the hydropower plant, looking at the three water dragons flowing endlessly and gushing out under their feet, the white water waves flew down from the hole, and the water mist stirred up reflected a beautiful little rainbow in the sun, the rainbow appeared and disappeared, wandering between the roaring white waves, and the colorful and crystal reflected in the past was very beautiful.

What's even more amazing is that the turbulent water mist rises into the air, just like the billowing smoke coming out of the bottom of the water, which makes people secretly frightened. Huang Shi looked around and found that this hydropower station is not wide, that is, more than 30 meters long, horizontally is the distance of five or six rooms, and the distance between the length and vertical of the hydropower station is less than 20 meters.

That is, an area of 800 square meters, Huang Shi was secretly calculating over there, and he forgot to see that Huang Shi didn't speak, and he didn't know what he was thinking.

"Lao Huang, I read the information on Dongluo Island that you passed to me earlier, and I feel that we still need our engineers to investigate on the spot before I can make a plan for you."

Tan Forget turned around and leaned his back against the railing, and said to Huangshi, because wind turbines are not their main equipment, they can only be regarded as an intermediary, and the profit on this equipment is naturally not as high as their own company's self-produced equipment, and he also thinks that the reason why Huangshi only wants to go to wind power projects is because of the size of the investment.

So he continued, "In fact, the investment cost of small hydropower stations depends on the scale of power generation, as well as the local terrain conditions, the general small power stations use water diversion for power generation, most of the money is invested in water diversion channels or tunnels, and various machinery and equipment, the small ones are only 10 tens of thousands, and the larger ones are tens of millions!" ”

"Your island, I took a cursory look, the tunnel must not be drilled, the water source to the foot of the mountain up and down the drop is also 30 meters, you can build a small low-head hydropower station, the investment is not necessarily more expensive than you build a single-unit wind farm." Forgetting to see that Huang Shi didn't talk, he continued to persuade with some reluctance.

"Okay, Xiaodan, let me think about it again." Huangshi can't say it, he is a little shaken when he forgets this, his place seems to be suitable for the development of hydropower, but the problem is that it is an island, and the big water source is just that, which is used to generate electricity, so the drinking water for people and animals is a problem.

And just now I heard the main engineering quantity of the main project of this small hydropower station, including earth and stone excavation, earth and stone backfill, as well as concrete pouring, curtain grouting, consolidation grouting, etc., they are all two or three million cubic meters, and the metal structure production and installation also needs about 20,000 tons, which is too huge the amount of work.

Shaking his head, Huangshi still made up his mind to develop a wind farm on Dongluo Island first, "Xiaodan, it's not that I don't want to do it, it's just that there is really no way to do it now, so I still decided to start the wind power project." ”

"Okay, Lao Huang, but I also told you, this wind power is not cheap, I'll give you a thorough understanding here first." When it came to this, he had no choice but to die and stop pushing his hydropower unit.

He took out a small notebook from his jacket pocket and a pen, "Lao Huang, look, I'll calculate it for you, and you will know how much it will cost to build a wind farm in Ludao." ”

"The basic condition for the construction of wind power generation facilities is to have a strong enough wind, which is a small island, and the situation of wind resources can be understood through the local meteorological department or the local people. If the wind data from the local weather station indicates that the average annual wind speed at a height of 10 meters is 3. If you are more than 5 meters per second, you can build a wind power facility. ”

"Wait, Xiaotan, what if we don't have a weather station or historical wind measurement data on that island?" Hearing this, Huang Shi hurriedly interrupted the forgotten speech, this is a key question, he has not tested the wind speed above 10 meters high, if this is not suitable, his hundreds of thousands of investments are not going to be wasted, this still has to be asked clearly.

"Uh, why haven't you ever asked someone to learn more about it before?" It's a little strange to forget about gratitude.

"Yes, but this question has really not been asked, and no one has asked it." Huang Shi was a little embarrassed, he was only looking for some "experts" on the Internet this time, plus. There are 500 wastes that people have crossed, and he is just one person, so he can only be a headache doctor, a foot pain doctor, and there is really no way to make a detailed and clear plan, many things still rely on a pat on the head to make a decision.

I was a little speechless about this kind of "five beats" user, tapped my forehead with a pen, thought for a while, and said, "Lao Huang, when I go back next time, I will help you query the historical wind measurement data in the nearby area." ”

"Okay, thank you so much."

What's the use of verbal and honest thanks, forget to complain in my heart, if you want to thank you, you still have to come up with a list of real money, but he suddenly remembered, so he said to Huangshi, "Oh, by the way, I just remembered that in our country in the late 80s of the 20th century, and between 2004 and 2005, the government organized two national surveys of wind energy resources, and the islands in your southeast coastal area belong to the best wind energy area, so the meteorological conditions for establishing wind power generation should be available." ”

Huang Shi rejoiced in his heart, "I said, no wonder I consulted those experts, when they heard that it was Dongluo Island in Fuqing, they didn't ask for any data on the annual wind speed of 10 meters, it turned out that people already knew it in their hearts, so they told themselves that there was no problem in building a wind farm in that place." ’

"Hehe, then let's talk about it later." Now he was a little embarrassed to forget about him, and he put on an oolong.

"I'll take a wind power station that our company helped build last year as an example, its wind turbine is a 200KW equipment, the model is B-ZFD-ZTS-200, the investment in construction is first of all the unit cost of 1.32 million yuan, the infrastructure cost of 250,000 yuan, as well as the transportation cost, commissioning cost of 70,000 yuan, and then the island installation, transportation cost of 200,000 yuan, and the last other costs cost about 150,000 yuan."

"Lao Huang, you see, the construction cost alone is 2.1 million yuan, which is equivalent to 1 per KW of electricity cost. 050,000 yuan, and then after you finish the construction, you still have to invest it year by year. ”

"Wait, wait." Huang Shi hurriedly stopped the forgotten words, as if the last time I understood, this wind turbine is not so expensive, and after it is built, how can there be a cost, how can this be obtained.

"Listen to me." Forget to write in the small book with a pen, and then Huang Shi continued.

"Wind turbines have to be repaired, and if you want to repair them, you have to pay 40,000 yuan a year for maintenance funds, which is calculated according to 2% of the total cost of the unit, so if you calculate it for 20 years, you have to pay 800,000 yuan, they are used for the maintenance of the unit every year, and there is a small overhaul every 5 years and a major overhaul every 10 years."

"Okay, so what's down there?" Huang Shi nodded, it is true that the equipment needs to be overhauled, so he gestured to forget to say to Lu Xia.

"There is also the management cost of unit operation, which is still calculated at 2% of the total unit cost, and it also costs 40,000 yuan per year. After that, you still have to calculate depreciation expenses, you wait, I'll show you when I'm done writing it together. ”

Huang Shi could only watch the formula written on the paper by the lines, and after a while, after the forgetfulness finished writing the thing, he checked it again, and handed over the notebook, "Old Huang, take a look for yourself." ”

After taking a look, Huangshi was really taken aback, because several depreciation items were densely written on the paper, only to see that it was written that the annual depreciation cost is equal to the value of fixed assets plus construction interest minus the net residual value and then divided by the depreciation period, of which the interest on the loan during the construction period is calculated at a low interest rate of 6%, and the depreciation period is calculated according to 20 years.

Huangshi looked at the last few lines, the depreciation cost for 20 years will be 1.8 million yuan, and the total investment for 20 years will reach 3.5 million yuan. Then the cost per kilowatt-hour of electricity is calculated to be 0. 50 yuan.

"Hey, it's pretty cheap, we only sell more than 5 cents for one kilowatt-hour of electricity in Fuzhou."

Forget to roll her eyes, "Lao Huang, this is just the cost of electricity, not the price of electricity." ”

"Ahh