Solar cell module wiring

Determine the wiring mode of the solar cell module according to the design drawing. The wiring mode of the solar cell module should meet the requirements of the design drawing. Wiring using multi - strand copper core wire, wiring should be the first to do tin treatment. Pay attention not to connect the positive and negative poles in reverse order to ensure correct wiring. After each string of solar cell modules is connected, check whether the open circuit voltage of the solar cell module string is correct. Disconnect the cable of one solar cell module after the connection is correct to ensure the safe operation of the subsequent procedure. Connect the solar cell module to the connecting cable of the controller, and the metal armor of the cable should be treated accordingly.

According to the series and parallel design requirements of solar cell square array module, the positive and negative plates of the module are connected with cables. For solar cell modules with connection wires and connectors directly in the junction box, positive and negative polarities are marked on the connectors, so long as the connector connectors are directly inserted. After the cable is connected, fix the cable on the support with binding bands and steel wire clips to avoid wear and poor contact of the solar cable 4 mm after long-term wind blowing and shaking.

After the installation of the solar cell module, the total current and voltage should be measured first. If it does not meet the design requirements, the branches should be measured separately. Of course, in order to avoid the influence of each branch, when measuring the current and voltage of each branch, each branch should be disconnected from each other.

59f300c435c2b1726f2cbd8a78c0866bThe WIRING of the solar cell array should be supported, tightened, protected, etc. The wires should have an appropriate margin, and the wiring mode should conform to the provisions of the design drawings. Wires of different colors should be used as positive (red), negative (blue) and parallel or series connection wires, and the wire specifications should meet the design requirements. Connection wire section is greater than 6 was multi-strand wire should be equipped with copper fittings (nose), less than 6 was the single conductor cross section in the solar cell component joint line joint ring connection, the line head bending direction should be the same as that of fastening screws, each terminal allow at most two conductors, and should add shim between the two root core, all connection screws should be tightened.

The method of solar cell module series is: the positive electrode (or negative electrode) of the first module and the negative electrode (or positive electrode) of the second module are connected; ​solar cell modules are connected in parallel by connecting the positive and negative poles of the first module and the positive and negative poles of the second module. The solar modules when wiring junction box with a small screwdriver to open, the solar energy battery components the power cord with a screwdriver with small pressure to the junction box of the terminals, require the red line to the anode, the blue line to the cathode, line after good will to the junction box for waterproof nut fastening, and the terminals within the terminal box with 7091 sealed silicone, Apply the amount of glue to ensure that the wire inlet hole in the junction box is completely sealed, and then buckle the cover of the junction box. The cover of the junction box should be fastened, not reversed.

After the wiring of the solar cell array module is completed, check whether the wiring is correct according to the construction drawing. The connection cable at the outlet of the junction box of the solar cell module should be bent downward to prevent rainwater from flowing into the junction box. The solar cell cable and the square lead cable should be fixed or bundled on the support with fixing clips.

Why is the '82 Lafite still famous?

Modern people's living standard is getting better and better, more and more is also high to the requirement of diet and lifestyle, as is common in our life, only white wine first common in our life, and now wine varieties is very much, not only people's sense of the drink also is different, not so much in alcohol, as in a wine tasting, So a variety of luxury wine is increasingly sought after by people.

In our impression, the price of '82 Lafite is very high and very classy. We usually joke about opening a bottle of'82 Lafite, but I don't know if you have found it. Why hasn't the' 82 lafite been drunk so far after so many years, so how many'82 lafite have been brewed? To be where we are today.

A wine insider tells us what's going on. As a matter of fact, Lafite is a very old wine chateau in France. The chateau is very strict about the wine brewing specifications, and does not allow the wine brewing time and brewing technology to be changed at will due to external factors. Because of the strict rules, the final wine taste is very pure 39bet-xsmb-xổ số tây ninh-xổ số binh phước-xổ số binh dương-xổ số đồng nai.

It is said that in 1982, because the climate of France was very good, the grapes produced were particularly delicious, and the wine produced was also very good.

There was a lot of late that year because the grapes were good. We all know that foreign wineries like to store wine and sell it later when it appreciates in value, so that year, Lafite kept a total of 200,000 bottles.

Not only that, but there are plenty of '82 Lafite bottles on the market because many wine lovers have stocked them up. However, most of the '82 Lafite is used for collection and generally not sold by enthusiasts, so most of the Lafite on the market now is fake. Those who want to buy the'82 Lafite should not be fooled. After all, it is not easy to buy such good quality wine.

Wine tips:

Why buy wine every year?

Generally speaking, the year on a wine label does not refer to the age or date of release, but to the year in which the grapes were picked.

The reason why the age of a wine is so important is because it tells consumers two things:

(1) The wine can be observed from the aging to the present situation.

(2) It can reflect the difference in product quality in different years of the same winery.

Wine is made from grapes, and grape planting is simply a process of "being in the right place at the right time". In a good year, when sunshine, rain and temperature are well coordinated, the grapes will grow well, the quality of the grapes will be good, the ability to age will be stronger, the more valuable they will be for collection, and the more expensive they will be for sale.

The '82 Lafite, however, was brewed in such a favorable environment at the right time.

When you learn about the different vintages, you can easily pick a wine that suits your taste. In warmer years, for example, wines are more likely to have ripe fruit aromas; ​in colder years, acidity and freshness are more prominent.