Engaged in the research, development and sales for more than a decade of power cable, mastered the rich experience, for cable supply
products in use problems are often, we made a detailed summary, the hope can help you!
Overload operation for a long time, will make the cable temperature, insulation aging, so that insulation breakdown, and reduce the construction quality.
Has: electric cable construction technology can not meet the requirements, cable head sealing, internal moisture intrusion cable, cable insulation performance;
When laying cable failed to take protective measures, protective layer destruction, lower insulation.
Civil engineering aspects are: work well pipe trench drainage not free, cable by water soak for a long time, damage the insulation strength;
Work well is too small, the bending radius is not enough, the long-term extrusion force.
Major is mechanical rough construction in municipal construction, dig dug the cable.
Protective layer by chemical etching or cable corrosion for a long time, the protective layer failure, lower insulation.
Poor quality of the cables or cable head accessories, Tailfeng lan cable
head sealing, insulation glue dissolve, cracking, lead to stand resonance phenomena for circuit disconnection fault make circuit and capacitance and of distribution transformer excitation inductance capacitance and resonant circuit, so as to stimulate the ferromagnetic resonance.
The dangers of bolt failure cause resonance.
Bolt resonance in severe cases, the high frequency and fundamental frequency resonance overlay, can make the over voltage amplitude phase voltage to [
5 times, can lead to system neutral point displacement, winding and wire overvoltage, serious when can make the insulation flashover, lightning arrestor explosion, electrical equipment damage.
In some cases, the load of the transformer phase sequence may be reversed, and may also transfer over voltage to low voltage side of transformer, cause harm.
Dongguan Taifeng Electronics Co., Ltd. have now make a decision to enlarge our company in other countries.
A detailed plan must be developed if we hope to reach your profitability goal. Once we have a certain figure in mind, Dongguan Taifeng Electronics Co., Ltd. and our staff need to determine all the steps necessary to reach that goal and act on them.
In a nutshell, is actually an ultimate solution for cable manufacturers and underestimating its value cost you higher than anything else. So grab it before you miss the boat.
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