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The limiter of retension Pexlim for the high voltage line buy in Almaty
Buy The limiter of retension Pexlim for the high voltage line
The limiter of retension Pexlim for the high voltage line

The limiter of retension Pexlim for the high voltage line

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Kazakhstan, Almaty
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Technical characteristics
  • BrandАББ
  • Country of manufactureKazakhstan
Description
The limiter of retension Pexlim for the high voltage line
In total - big and small, private and state owners of electrical power systems are in a condition of an intense competition with more and more increasing requirements for ensuring readiness and reliability of electric systems. Consumers of the electric power become more and more exacting as their production directly depends on continuous, reliable and high-quality power supply. In many countries ensuring readiness and reliability of electric systems is complicated by complexity of obtaining permissions for construction of new power lines of the usual sizes. Reduction of dimensions of the high voltage line, construction of "compact lines" is required. On the other hand, there is a problem of control and fight against switching and storm retension. The limiters of retension installed lengthways to the line in certain critical points, in this case, can be the attractive decision or addition to the taken measures.

There are several ways of improvement of such indicators of work of the high voltage line as reliability and readiness:

  • The duplicating lines (construction of the parallel high voltage lines)
It is very expensive way which, often, we will not put into practice
  • Increase in level of isolation of the high voltage line
    Such way not only is expensive, but also can create a number of additional problems, for example, will result in need to increase the level of isolation and the substation equipment
  • Improvement of grounding of support
    Often it is rather difficult because of features of an arrangement of the high voltage line, especially in the mountain district
  • Lightning-protective cable
    If this non-standard decision (for example, initially the high voltage line was designed without cable), then it can be expensive. Besides, in spite of the fact that this method reduces number of shutdowns of the high voltage line, it does not allow to reach the increased reliability of work of the line
  • Protection with OPN
    Use of OPN which are established directly on high voltage line support, parallel to a garland of insulators
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