7/31/2019 Electric Overhead Conductor With Self

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Annex 1

Electric overhead conductor with self-protection at thedeposits of frost/ice for high voltage lines

- short presentation -

Functional and technical characteristics:

Self-protection to the deposition of frost / ice of electrical aerial transport conductor of electric power lines, according

to the idea proposed by us is done through:

1. Use of electromagnetic field energy dissipated by the conductor in operation (50 Hz; ~ 400 kV), transformed into

heat at the surface of the electrical conductor, in order to maintain the temperature at a value above the temperature of

formation of frost / ice.

2. The physical process pointed out above is based on a multifunctional material (alloy Mcx), which is a metal alloy

drawn into wires of the same diameter as the top layer of the conductor.

3. The multifunctional alloy (Mcx), created by us for this purpose, change their properties as a function of theenvironment temperature; the process is reversible and without hysteresis, so that at positive temperature it doesnt have anyheat and participate only as a current carrying conductor similar as the other wires of the conductor, at negative temperatures it

captures a portion of electromagnetic radiant energy dissipated by the conductor and converts electrical energy into heat.

Advantages in exploiting the EE-HVL transportation relays

Ensures the self-protection at frost/ice deposits on the electricity aerial transport lines, without requiring additional

energy consumption, without intervention of control (human or automatic) with no adverse ecological effects. As design and

use properties it is identical with the standard conductors used today for the transportation of EE-HVL.

It completely eliminates todays practices, cumbersome and uncertain, used in removing the frost/ice which is

deposited on the aerial electricity transport conductors, in the areas with cold, severe climate.

Ensures high energetic security, virtually eliminating the EE-HVL transportation relays damage caused by the

supplementary mechanical burden due to deposition of frost / ice on these conductors.

Climate comparative test with electrical conductor

17,7 mm / Mc1, at 320 A a.c., 50 Hz.

S3 / T = - 14.8C, temperature of witness conductor, not loaded.S2 / T = - 4.2C, temperature of standard conductor load at 320A

S1 / T = + 0.3C, temperature of self-protective conductor at the

deposition of frost/ice, load at 320A.

Technical and scientific innovative and novelty elements

The multifunctional alloy cod Mcx newly created for this purpose, characterized through thermo sensitive magnetic

predetermined and reversible properties, without hysterezis, and without transformations of the crystalline structure.

Using the electromagnetic dissipated field by the operating transportation conductor EEHVL with the intrinsic

property of self-protection at the frost / ice deposits and which retains all other identical structural and use characteristics with

those of the standard conductors used today for the EE-HVL transportation.

The constructive solution of the aerial electric conductor with the intrinsic properties of self protection to frost/ice

deposition and which keep all other constructive and used characteristic properties identical to those used in standardized wires

currently used for electrical energy transport. Additional caloric input in the 50Hz frequency overhead electric conductor with

self-protection to the frost and ice, in not due to a Joules effect of direct current.

Edition, October 2012 Liviu Palii - IDT 1

Department: Advanced Materials