Solar Powered Path Lights Trend Report

Recently on the Internet, see an article of PFC function of lamps and lanterns, general reading and feeling explanation of PFC is not very clear, I just have so a little knowledge on PFC, also might as well take out a 'axe'.



lamps and lanterns is a very important parameter in -
—
Power factor (
PFC）

People tend to be ignored, so what is the power factor, power factor what is the point?

1, the power factor of power factor characterization of the lamps and lanterns is the ability of the active power output.

Power is the rate of energy measurement, it is in the dc voltage V and current product of A and b.

In communication system is more complicated: that is part of the alternating current power transmission in the load cycle is not, it is called the reactive current or harmonic current, it makes the apparent power (
Voltage in the Volt by current Amps)
Is greater than the actual power.

Apparent power and real power ranging from raising power factor, power factor is equal to the ratio of actual power and apparent power.

So the communication system in the actual power is equal to the apparent power multiplied by the power factor.

I. e. , the power factor = actual power/apparent power.

Only linear load power factor, such as electric heater and the bulb is 1, many equipment's actual power and apparent power difference is small, and can be neglected, and like capacitive equipment such as lamps and lanterns of the difference is very big, very important.

A recent study of the American journal of PC Magazine lamps and lanterns is typical of the power factor is 0.
65, namely the apparent power (
VA)
Than the actual power (
Watts)
Big 50%!

2, apparent power, apparent power, namely the product of the ac voltage and ac current.
Expressed in formula is: S = UI.

Type, S is the rated power output, the unit is VA (
Volt ampere)
；

U is rated output voltage, the unit is V, such as 220 V, 380 V, etc. ;
I was rated output current, the unit is A.
Apparent power includes two parts: active power (
P)
And reactive power (
Ｑ）
。
Active power refers to the direct part of the work.

For example makes lights shine, the motor rotation, the electronic circuit work, etc.

Because the power to do work into heat and can be felt by people directly, so some people will produce an illusion, namely the active power as the apparent power, what does not know active power is only part of the apparent power, expressed in type: P = UIcos theta = = Scos theta UI, F.
Type, is the active power P, the unit is W (
Watts)
；

F = cosine theta is called power factor, and theta is in different voltage and current phase in phase with nonlinear loads.

Reactive power is stored in the circuit but not directly to work that part of the power, expressed in type: Q = Ssin theta = UIsin theta.

Type, Q for reactive power, the unit is var (
Spent)
。

For lamps and lanterns and other all work with dc voltage of electronic circuit, cannot leave the reactive power works.

Users are generally recognized as such devices only need to lamps and lanterns active power, without the need for reactive power.
Since reactive power does not work, want to use it!

So of course they will think the lamps and lanterns of power factor to 1 is best.
Because it can give maximum output power.
However, it's actually not the case.

If there is a lamp, when the ac mains input rectifier, get pulsating dc voltage, if not to make any processing, pulsating voltage is directly provided to the lamps and lanterns, there is no doubt that the circuit can not work normally.

Although at this time the power factor is close to 1 of lamps and lanterns, can be this good.

Circuit can work properly in order to let the lamps and lanterns, must to provide a smooth dc voltage.

The 'smooth' must be followed in the lamps and lanterns of rectifier the filter capacitor C.

This filter is like a reservoir, the capacitor must be stored in a sufficient number of charge, when the gap between rectifier half-wave, make the working voltage of circuit still uninterrupted, to maintain a normal level.

In other words, even if no input power between two pulse half wave, the voltage level of Uc has no significant change, this function is accomplished by within the capacitor energy storage, this part of the stored in the capacitor energy is the reactive power.

So, lamps and lanterns is to rely on reactive power support, to ensure correct use of active power circuit implementation of normal use.

Therefore, not only need active power of lamps and lanterns, also need reactive power, both be short of one cannot.

Solar street lamps installed in outdoor should pay attention to what?

Solar street lamps lighting products is currently in use is common, with low cost, stable and reliable, long life and other characteristics, so what should be paid attention to solar street lamps installed in the outdoor?
Look at the following detailed introduction.




in the outdoor installing solar street lights, you should pay attention to?

Is a kind of widely used solar street lamps lighting products, has low cost, reliable, stable and long life, etc.

In the outdoor installing solar street light, you should pay attention to?
Please see the following detailed introduction.
1.
All the leakage part of solar street lamps anti-corrosion;
2.

The wind resistance of the solar street lights all connection;
3, battery compartment ventilation;
4, waterproof battery chamber;
5, battery security;
6.
Solar panels of anti bird: 7.
Solar panels of guard against theft;
8.
Street light access line and control room rain;
9, battery insulation in winter summer cooling;
10, waterproof lamps and lanterns, insect-resistant, hail proof;

Solar led lamp has the following characteristics: 1.

Low cost, high brightness, low power consumption, low configuration of solar cells and batteries needed and reduce the cost.
2.

Long service life:
monocrystalline silicon or polycrystalline silicon solar cell components of the quality guarantee period of 20 years.

Twenty years later, can continue to use the battery components, production declined slightly.

Ultra bright white light leds, service life of up to 100000 hours of intelligent controller of static low power consumption, long service life.
3.

Which solar street light stability: monocrystalline silicon or polycrystalline silicon solar energy components with character such as typhoon, moisture resistance, resistance to ultraviolet radiation.
4.
In the operation of the unattended: don't need managers.

A perfect intelligent control system enough confidence to the customer.
5.

10 hours of power supply: the system is designed considering the local wet weather, the average residual energy stored in the storage battery, ensure that the user has enough electricity use in continuous rainy day.

In addition, solar led lamp use: 1.
There is no need to set up or buried transmission line;
Second, it does not use grid power.
3.
Do not need to maintain.

It is an investment, is also a benefit for life.

Whether village square, scenic park or school, stadium and other situations involve the installation of Led light, solar lamp manufacturers in general to install 8 meters - such as square field

10 meters high lamp lighting brightness or cheaper is more commonly used.

Many customers inquiry on



whether village square, scenic park or school, stadium, etc are without Led light, 【

The LED light is used for highway, roads and other places of a lamp.
】

Installation, solar lamp manufacturers in general to install 8 meters - such as square field
10 meters high lamp'

Light, generally refers to more than 15 meters steel conical light pole and high-power modular fixtures are composed of new type of lighting.
】

Cheap lighting intensity is relatively commonly used.
Come up to ask many customers inquiry shandong growing 【

Billiards is a basic skill, is hitting cue ball above the halfway point, make the cue ball hits the target ball after continue to move forward.
】

8 m 10 meters lamp manufacturer to sell how many money, it's really difficult, different design specifications and prices also vary a lot.



such as shandong 8 meters high lamp light pole routine caliber: 60
160, arm thickness: 3.
0, flange: 300 * 300 * 12;

Shandong 10 meters square light, regular diameter: 70 -
180, arm thickness: 3.
5, flange: 320 * 320 * 12.


shandong high lamp manufacturer company remind everybody all light, high caliber arm thickness can be customized according to customer requirements.

Such as a lamp holder, two lamp holder, multiple lamp holder and so on.

General shandong 8 meters high lamp with 100 watts of the led street light head, shandong 10 meters high lamp of the double lamp holder can use 80 w * 2 project-light lamp.
Specific can consult the manufacturer's technical personnel.



shandong 8 m -

10 meters high lamp manufacturers wholesale how many money, general configuration in 1230 - price
1500 yuan.


8 meters high lamp manufacturer in shandong 10 meters to sell how many money, if you need a precise quotation, you can contact our sales staff to communicate the specific design specifications, to facilitate accurate quotation for you, or according to your budget to recommend suitable configuration scheme.

For areas where there are still many areas that are eager to develop industries, replacing existing lighting with wind-solar complementary LED street lights will solve the problem of tight energy supply and have promising business opportunities. Compared with traditional street lamps, the wind-solar complementary LED street lamp lighting system products popularized and used now have very good energy-saving effects. In order to make the wind-solar complementary LED street lamp market develop better, the wind-solar complementary technology has been improved. Due to the unique energy-saving wind-solar hybrid solar street lamp system design, it proves that the wind-solar hybrid lighting technology can meet the international road lighting regulations, and it is of significance for wind-solar hybrid street lamps to replace traditional mercury lamps or high pressure sodium lamps. Wind energy and solar energy have their own advantages and disadvantages. Except for geographical and natural environment constraints, the cost of manufacturing wind turbines is only 1/5 of that of solar cells. The combination of the two can complement each other appropriately. The complementarity of solar energy and wind energy in time and season makes the wind-solar hybrid LED street light have the best matching in resources. The wind-solar hybrid LED street light is a high-performance independent power supply system. I believe that if we can grasp the price advantage in the future, the business opportunities of wind-solar complementary LED street lights will be greatly improved in the future. For more industry information or product prices, you can call toll free: 4000-760-286

With the popularity of solar energy, in order to save energy and reduce consumption, many places will give priority to solar street lights when installing street lights. At present, there are many solar street light products on the market with different prices. This is mainly because affected by the configuration.

First of all, according to the sunshine hours in the country and region where the customer is located, recommend whether the customer is suitable for solar street lights. In the world, such as South America, Africa, Southeast Asia and most of China are very suitable.

Secondly, according to the measured local sunshine hours, the pole height and lamp power of the solar street light are deduced on the basis of its road width. Therefore, under the action of the intelligent controller, according to the lighting needs of the venue every night, it can provide full-power lighting settings for 6-12 hours a day or lighting settings for different periods of time. From this, you can configure the appropriate lamp power, pole height, battery panel size, battery capacity and controller model.

Finally, according to the configuration and the customer's actual budget, the actual installation and purchase costs are calculated.

The above information on how to reasonably configure solar street lights is shared here. As a new energy source, solar street lights have been widely used in road lighting. The system configuration of solar street lights determines the quality of the entire road lighting. Therefore, solar energy The choice of streetlight system configuration is very important.