ADC AD-95 User Manual download pdf (Page 5)

We reserve the right to alter design and range of our products without prior notice | Kabeldon low voltage switchgear system 2011 | 5

Fundamental technologies

We work on the basis of four fundamental technologies

within which we have accumulated substantial expertise over

many years.

Electrical connections

The safe and secure transfer of electric current between

cable conductors, or between a cable conductor and a

device, requires an electrical connection of good quality.

We test and develop various methods, but in most cases we

use bolt technology, that gives us the possibility of offering

complete solutions in line with our philosophy of easy and

safe installation.

Controlling electrical fields

At high voltages the electrical fields must be controlled

so that the str

ength of the insulation or the surrounding

material is not put at risk. Depending on the voltage level, we

work with different methods, e.g. geometrical, refractive or

resistive field

control.

Geometrical field control is achieved with premoulded stress

cones and splicing blocks.

Resistive and refractive field control are achieved with

special field controlling materials integrated into premolded

termination blocks.

Development of creepage current resistant materials

Outdoors, cable accessories are exposed to major stresses,

e.g. UV radiation fr

om the sun and creepage currents

caused by precipitation and pollution. Cable accessories

are installed everywhere on the face of the planet: in humid

tropical environments, in extreme cold or in the swirling salt

mist of coastal regions. We develop materials and designs

for outdoor use that are only minimally affected by external

factors. In the case of cable terminations, it is the insulators,

both in porcelain and composite material. Practical

endurance tests are an important part of our development

work. In addition to Weather-O-Meter, salt-mist-chamber

tests and other destructive long-term tests, the products are

tested under outdoor weather conditions.

Design of low voltage networks

Electrical distribution in power cable networks calls for safe

and rugged pr

oducts to connect cables and to withstand

external factors such as humidity, vibration, etc., for a long

time without causing malfunctions.

Lengthy experience of our own manufacture of switching

devices and hot-dip galvanized enclosures, as well as good

customer relations, means that we can quickly adapt product

development to suit the needs of the market.

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ADC AD-95 User Manual Page 5

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