The lines of high and medium voltage: The danger of the lines of the grid depends on the voltage, the intensity and overload to which they are subjected. It is essential to quality, condition and cleanliness of insulators, as well as verification and maintenance of grounding of the towers. In Germany it is recommended that a safety distance of 1 meter per kV of voltage is línea.Si laying underground cables should have good insulation and being coaxial to not generate external fields. If the wires of the three phases est, duly twisted the electromagnetic field is lower than that of a line equivalent area. All modes such lines usually move too close to housing.
Network Processors:
The electrical distribution centers enúcontramos "hidden" between the urban buildings are recognizable by their continuous buzz. Network processors, we see in some esquiúnas, either in underground chambers or areas, make the medium voltage power distribution suitable for industrial and domestic use of 380 and 220 volts. If the grounding of these facilities is defective, it can have serious electrical potential changes in the common terreno.Es see explode and melt the fuse of these transformers sobrecarga.Como in the presence of a safety distance is recommended that homes are at least 15 meters of these transformers. New materials aislaúmiento of electromagnetic fields as numetal can solve the problem of transformers in urban areas.
low voltage lines: While
are responsible for most common electrical pollution in homes, overload and phase imbalance between the three fundamental causes of the changes recommended detectadas.Se cables with insulating coating low-loss and twisted of the three phases, and a good grounding domiciliarias.La facilities vivienda.Se wiring system can verify that many houses and buildings of our country still lack in their instalaúciones protectors and proper electrical connection tierra.La best grid in the underground cities . In housing, junction boxes, meters and circuit breakers should be located in a place away from human presence, if possible, within a metal cabinet, which, like a "Faraday cage" prevent the electromagnetic field irradiation . Every home should have an automatic circuit breaker or other protective circuit. It is necessary for the installation has sound grounding and it is appropriate for separate sectors or funciones.La best protection against domestic electrical pollution is the timely disconnection of the installation that we do not need, especially at night. To this end, developed countries there is a voltage switch in the absence of consumption (type bioswitch). This device turns off the power of 220 v. those sectors of the installation with no consumption (eg, sleeping at night) during shipping a continuous stream of only 6 volts (that does not generate electromagnetic fields) as a pilot for any requirement of consumption to activate the normal flow monitors computadoras.Todas corriente.Televisores and displays based on cathode ray tube emitting ionizing radiation that can affect health, especially those who spend hours in front of computers and televisions. The exposure depends on the distance between the subject and the screen. In the case of computers, monochromatic pantaúllas emit much less radiation than color. But besides the dreaded X-radiation, must take into account the strong electromagnetic field generated by high voltage transformers and deflection coils ray tubes catódicos.Estos electromagnetic fields are distributed globally around the aparatos.Recordemos a common wall is no barrier to electromagnetic radiation. We must therefore consider the place where such equipment installed in both homes and offices, making sure that the field radiated by the back of the TV or computer does not affect the environmental quality of the next room, especially if their occupants are babies or children. Static electricity can be downloaded screens with filters ground. Optical filters protect only the light, avoiding the glare of ambient light on the screen. Mats can be installed grounded conductor for those working long hours at the computer screens are not subject large electrostatic potentials. The World Health Organization recommends that computer operators a few minutes rest every hour, going to download the policy est accumulated in their bodies both arms submerged under water corre.En Dr. Marilyn Goldhaber 1988, completed a 1,583 esútudio on women over three years. Those who had been subjected to radiation from computer screens for periods longer than 20 pm. weekly statistics showed a rate more than twice abortions and malformations of the fetos.Pese to the concerns of the stakeholders in the manufacture of these electronic tools are undeniable effects that manifest many operators computers: migraines, eye strain, insomnia, skin allergies, chronic fatigue, cramps, etc.Las liquid crystal displays (LCD), such as laptops, are perhaps the ideal solution because they use low voltages and do not generate electrostatic fields or strong electromagnetic.
Appliances:
Different devices, both at home and office may be affecting the health of those who are routinely exposed to electromagnetic radiation. This is compounded by the poor quality of their internal processors. The clock radio is one of them, especially by long exposure (8 hours) and proximity to our heads, leading to insomnia, headaches, nightmares, fatigue, morning. The recommended safe distance is at least 1 m, although it would be better without them or exchange them for similar pilas.Los microwave ovens are the subject of considerable controversy. The microwave generator creates a strong electromagnetic field that can harm the health of those who work continuously in the vicinity of these devices in operation in places such as bars, restaurants, pizzerias and supermarkets. But the biggest danger is the possible leakage of microwave emissions, which requires regular monitoring of the closure of the oven. A stove automatic shut off system which fails time to be opened by a child, if found to match your eyes, can cause immediate blindness.
Light fixtures:
Despite the energetic advantages of fluorescent tubes, the usual poor quality in reacútancias allows the formation of significant electromagnetic fields. Therefore, for large installations it is advisable to centralize the reactors in a common metal enclosure and away from people. On the other hand, as this type of pulsating light, although we do not realize, is not suitable for places requiring visual attention, such as drawing boards or workshops. The vibration of light can be offset by mounting three tubes connected to different phases together. The electrostatic field emitted by fluorescent tubes can be corrected shielding with a metal grid and grounded. In general it is advised that the distance between a fluorescent tube is 1.5 people m.Las incandescent lamps, lower than the fluorescent rendiúmiento, however no harmful electromagnetic effects, although the faulty installation can produce electric fields strong enough . To avoid this we must verify that the switch to off stage stop, not just the associated transformers neutro.Los or dichroic halogen lamps are also a major source of electromagnetic fields so it is advisable to remove these transformers of the people working under this type of lighting or centralize the installation.
Transformers:
In general, all transformer radiates an electromagnetic field that can be harmful for people who are in their vicinity at longer times. The ideal is to use toroidal transformers, higher performance, lower power consumption and minimal electromagnetic pollution.
external source Sources: Often
electromagnetic fields that could be affecting the health of a home can come from the equipment or facilities neighbors through the party walls. A TV or computer monitor behind which rests against a wall, emits elecútromagnéticos fields that are hazardous atraviesan.Especialmente medical and dental clinics equipped with X raúyos equipment and other high power. The same applies to small factories and workshops located in urban areas.
Antennas radio and television stations: In the vicinity of these antennas will capture high electrical and electromagnetic fields, especially on AM stations. There have been cases of serious electromagnetic pollution in surrounding residential amateur radio antennas illegal and excessive power stations. These cases are compounded when the antenna does not exceed the surrounding buildings and departments in height are aligned with the tower. The same applies to the microwave link antennas whose dispersion cone sweeps inhabited areas. Lilia
Garcés, Architect.
Claudio Ardohain, geobiologist
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