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Use small wind generator
First, the use of conditions
Small wind generators should in general be more abundant in wind resources of the region to use. That is, the average wind speed in the 3 m / s and above, the year 3-20 m / s wind speed cumulative number of hours effective 3000 h over the year 3-20 m / s average effective wind energy density lOOW/m2 above.
In the wind resource-rich areas, rated the best choice of fan design wind speed and wind speed design of the local best match of the wind turbine. Wind tunnel tests proved that wind round the conversion of wind power and cubic proportional to that is to say, the wind speed to power the greatest impact.
Second, the general requirements
At present, the use of small wind turbine energy storage batteries, home appliances electricity provided by the battery. Therefore, the total power consumption when the principle is that the battery discharge after timely given by the wind turbine added. In other words, the battery charge and the use of electrical power required for the consumption of electricity to roughly equal (to the general).
Cite a case that this issue: the use of a certain area of a wind generator, wind speed rated output power of 1 OOW, assumptions, the region, equivalent to a rated speed of the wind Chuigua hours continuously for 4 h, while the output of the fan and Storage batteries, to the energy of 400 Wh. Taking into account the conversion efficiency of lead-acid batteries to 70 percent, the user can use the actual use of electrical energy 280 Wh. If the users of electrical appliances are:
(1) 15W light bulb 2, the use of 4 h, energy consumption for 120 Wh;
(Z) 35W TV, one Taiwan, the use of 3 h, energy consumption for 105 Wh;
(3) 15W Shoulu Ji, one Taiwan, the use of 4 h, energy consumption for the 60 Wh.
Total energy consumption for more than 285 Wh.
In this way, with the total electrical energy than wind turbines can provide the energy beyond the 5 Wh, there is the so-called "no-pay" power, such income not pay the electricity, will be in the battery Deficit, the state of work. If regular electricity so long, so that the battery will be a serious loss and damage, and shorten their life.
On the cases, the assumption that wind turbines in wind speed-rated hit the electricity consumption, in fact, due to wind variability, intermittent, the wind has a different size (wind speed) have Chuigua duration of the different ( Wind frequency). Therefore, the use of electrical appliances when the wind conditions should be good when more appropriate use of electricity, poor wind conditions less electricity. This requires users to use conscientiously sum up experiences.
In addition, conditional on regional and users can prepare a kilowatt-class diesel generating sets, when the wind situation worse when added to the battery charge, uninterrupted power supply to the battery.
Third, small wind generators supporting the reasonable
A small wind turbine power storage batteries after the first, and then by the electrical power supply batteriesÏòÓÃ. Therefore, we must seriously consider the scientific, wind power generators and battery capacity of the match and static reasonable period of wind energy storage, and other issues.
At present, small wind generator and battery capacity are generally in accordance with the input and output equal to or greater than the output enter the principles of the match. Namely: 100 W wind turbine matching 120 Ah batteries (60 Ah2 block); 200 W wind turbine match 120-180 Ah batteries (60 or 90 Ah2 block); 300 W wind turbine matching 240 Ah Reserve Power (120 Ah2 block); 750 W wind turbine matching 240 Ah batteries (120Ah2 block); 1000 W wind turbine matching 360 Ah batteries (120 Ah3 block).
Practice has proved that: If the battery capacity does not match with a wind turbine energy requirements, will have the following questions:
(1) Batteries rong heavy, wind energy generators can not guarantee a timely manner to the battery fully charged, resulting in a deficit regular battery power status. Shorten battery life. In addition, the battery capacity, price, and the use of cost increases, the economy has also caused unnecessary wastage.
(2) battery capacity of the hour, would have been in the battery charging status. As a result of sufficient power and wind power generators to stop the work would seriously affect the efficiency of fans. Rechargeable batteries will have long-term battery early damage, shorten life.
In addition, small wind generators reasonable match, with the electrical distribution is also a set of content can be ignored. Matching used in electrical appliances should also be in accordance with the wind generator and battery matching principles. That is, by matching the amount of electrical energy and wind power generators to the energy output to match. However, it should be pointed out is that the match is highlighted by indicators of "energy" and not to confuse power. The choice of using electrical appliances, must also pay attention to the requirements of the system voltage, current, small wind turbine on the distribution box with a 12 V, 24V and TV special socket, users, to be used for electrical voltage required by the corresponding value of choice The sockets, television should be devoted planted on the TV outlet.
If you are using the exchange of electrical equipment, it must be prepared to meet its power purchase requirements of the "inverter" will be transformed into DC battery voltage to 220 V, the frequency of 50 Hz AC power to use.
Related Questions:
1. Knowledge of small wind generator
