Introduce the difference of control cable performance

Control cable performance difference;
The power cable is used to transmit and distribute the large-functional power in the main line of the power system, and the control cable directly transmits the power from the power distribution point of the power system to the power connection lines of various appliances and appliances. The rated voltage of the power cable is generally 0.6/1kV and above, and the control cable is mainly 450/750V. When power cables and control cables of the same specifications are manufactured, the insulation and sheath thickness of power cables is thicker than that of control cables.
(a) The control cables belong to the cables for electrical equipment, and the power cables are two of the five categories of cables.
(b) The standard for control cables is 9330, and the standard for power cables is GB12706.
(3) The color of the insulated wire core of the control cable is generally black and white, and the low voltage of the power cable is generally a color separation.
(4) The cross-section of the control cable will generally not exceed 10 square meters. The power cable is mainly used for power transmission and generally has a large section.
Due to the reasons mentioned above, the specifications of power cables can generally be as large as 500 square meters, and manufacturers with large cross-sections are generally less able to do so, and the cross-sections of control cables are generally small, and the maximum is generally no more than 10 square.
In addition to the above products, the company also supplies RVVP cables, DJYPVP cables and other products. Our company has the most practical technology, professional operating team, to create a service based on the user experience, the perfection of the service is Our never-ending pursuit. Because of the people-oriented, so it is trustworthy; because professional full-time, it is worth choosing. The above information is for reference only, please call the relevant staff to answer your questions.

Closed Cooling Tower

Why say closed cooling tower is energy saving and environmental protection equipment, more and more users are using this kind of equipment to replace the original equipment (open tower), we can through data analysis and comparison, the two energy data accounting can be obvious. Energy consumption is basically two major aspects, one is water, the other is electricity. Both are energy costs that no cooling tower can escape, unless you leave the equipment on.

First of all, look at the consumption of water. Water is generally consumed in two aspects. One is the flying overflow after spraying, and the other is the evaporation consumption of water.

Let's look at the open cooling tower, the spray water of the tower is basically between two and three percent of the overflow rate, if we according to the daily operation of 10 hours, excluding holidays, 280 days of operation. According to the actual open cooling tower flow of 6000 cubic meters per hour to calculate. 6000*2%*10*280= 336,000 tons of water, and the same closed cooling tower, its spray flying overflow is very small, because after all, the spray work is carried out in the tower, almost can be controlled in a few thousandths, we calculate according to 5 thousandths, the same is 10 hours of work, 280 days a year operation, To achieve the same cooling amplitude is basically 4,500 tons per hour of closed cooling tower is enough, then the calculation results: 4,500 *0.5%*10*280= 63,000 tons, it is not difficult to see, because of the different design structure caused by the waste of spraying water resources, more than 200,000 tons of terror. The bigger the pool of the open tower, the more wasted water, because the evaporation area increases, and the closed cooling tower has no pool, so the consumption here is zero. Judging from the price of a ton of water, just such a equipment, a year to solve the capital of hundreds of thousands of enterprises.

Let's look at the comparison of electric energy, electric energy is not different, because they are all through the same power equipment to operate the equipment, the power of the two is similar, the running time is the same, basically the energy consumption is about the same.

To sum up, for the closed cooling tower energy saving accounting can be strong to open the tower out, and, today are advocating energy conservation and environmental protection, this is the general trend, so the closed cooling tower is more and more favored by the majority of users.

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