Por Enrique González Haas | Presidente y director para Schneider Electric México y Centroamérica.
Hoy en día nuestra sociedad depende de un suministro continuo de energía eléctrica, si éste se ve interrumpido por un largo periodo producirá pérdidas considerables tanto a las compañías que suministran la electricidad como a todas aquellas que la consumen.
La falla de arco es un cortocircuito que sucede entre conductores eléctricos, puede ser entre dos conductores vivos o entre uno vivo y a tierra; ésta ocurre a través de aire ionizado y se caracteriza por una explosión eléctrica debido a la velocidad, potencia, calor y presión del fenómeno.
Los principales efectos del arco eléctrico son:
Luz intensa con radiación cegadora y quemante.
Temperaturas de hasta 23,000° F.
Voltaje altamente peligroso para los operadores.
Generación de aire caliente y vaporización de los componentes de cobre, lo que ocasiona un exceso de presión en el equipo, sonido potente y por ende explosiones acompañadas de gases tóxicos.
La expulsión de material incandescente puede provocar quemaduras graves dependiendo de la protección con la que el operador cuente, así como de la distancia, voltaje corriente y duración del fenómeno. Todo ello sin mencionar la generación de incendios y daños severos a los equipos y objetos aledaños. Las afecciones para una empresa ante pérdidas humanas y de inmobiliario pueden llegar a ser tan grandes que la recuperación podría tomar años. En el caso de las plantas, por ejemplo, los daños que un incendio puede provocar en las áreas de producto terminado y bodegas tienen consecuencias monetarias severas, considerando los retrasos en fabricación y con clientes. Inclusive hay algunos casos en los que las plantas difícilmente pueden retomar la operación y desaparecen.
En 2014, la Asociación Mexicana de Instituciones y de Seguros (AMIS) reportó un aproximado de 4.8 mil millones de pesos en pérdidas para las empresas debido a incendios. La realidad ante estos sucesos nos muestra que la ausencia de un sistema de protección no implica un ahorro sino todo lo contrario.
Entonces, el objetivo primordial de una protección contra falla de arco es brindar máxima seguridad al personal, así como reducir el daño de las instalaciones al mínimo. Para ello, entre más rápido sea el tiempo de respuesta del sistema de protección, menor será el daño que produzca la falla de arco, la reparación será más rápida y el periodo sin suministro de energía eléctrica será menor.
Una solución rentable
Podemos decir que la falla de arco representa uno de los peores riesgos en un sistema de potencia y debido a que la protección contra sobrecorriente es incapaz de evitar sus efectos, es necesario utilizar otro tipo de protección. Esa protección se llama VAMP, un sistema simple y eficiente que protege las barras de media tensión, lugar donde puede originarse el arco eléctrico. Además, es aplicable en equipos de media y baja tensión.
Esta tecnología de detección de arco eléctrico reduce significativamente el tiempo que le toma al relevador abrir el interruptor en respuesta a la falla, por ende, se reduce el riesgo y peligro de este fenómeno. Para que lo anterior suceda, VAMP cuenta con sensores ópticos, que a diferencia de la tecnología tradicional que mide la corriente eléctrica, estos miden la luz. De esta forma se puede detectar la falla con mayor rapidez y brindar una respuesta al problema en menor tiempo.
Adicionalmente, VAMP es una solución muy rentable ya que puede ser instalada en equipos existentes por lo que no es necesario cambiar el equipo para incrementar la seguridad de los mismos. Con esta tecnología, Schneider Electric es pionera en la protección contra arco eléctrico, contando con cerca de 15,000 sistemas funcionando y 300,000 sensores ópticos en servicio.
VAMP en empresas de electricidad, petróleo, minería y metalurgia
Uno de los principales retos para las empresas de electricidad, petróleo, minería y metalurgia es salvaguardar la continuidad del servicio y la reducción de los tiempos de interrupción que eviten pérdidas millonarias debido a fallas eléctricas.
Para ello, la forma en que nuestra tecnología opera es a través de la detección temprana del arco eléctrico para que de esta manera se pueda proteger a las personas y a los equipos; limitando daños, reduciendo los tiempos de reparación y acortando los tiempos muertos de producción. Esto sin mencionar la reducción de la prima de riesgo que las empresas tienen que pagar a las aseguradoras, brindando así un beneficio económico inmediato.
La instalación de una solución completa para el fin de línea de Coca-Cola Bottling en Indonesia, incrementó en 50% la eficiencia de la línea en una de las empresas de producción de bebidas más importantes del país.
En busca de los detalles más finos para fotografiar a sus hijos en momentos intensos y genuinos, en los que se capturen la esencia del momento y sea digno de mostrarse al mundo.
Hoy, en un mundo repleto de ofertas de marcas y servicios, querrás darle valor a tu producto ofreciendo un trato cercano y personalizado y lo mejor de todo, es que puedes comenzar a hacerlo desde hoy.
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How much does this mean you are looking down on the provincial Chinese medicine doctors What do you think After looking through it, I had an idea in my mind, and then handed the prescription to Wu Buwei beside me.After Du Heng finished the Shixuan bloodletting and performed stimulation on the two acupoints, the patient finally responded and no longer needed to inject the Baihui acupoint.
What happened today was such a coincidence that Du Heng couldn t help but suspect that it was arranged by Lu Zhongjiang.Although some of them contained water, the number was enough to keep him as steady as a mountain.
It is easy to cultivate family ties and there is no need to worry about other troubles.If the prescription is not good, it may be more troublesome to take one dose of medicine.
The person who opened the door was Wang Shuqiu. Du Heng asked as soon as he entered, What s wrong with your phone Is it out of battery Why can t you get through Wang Shuqiu nodded, and she was in a good mood.Wei Wen and Wang Lili were very quick and had already given the mother some energy replenishing liquid.
What s this thing Du Heng thought for a moment, if Aunt Wang was here, then her group of sisters must be there too.High school teacher, that s quite tiring. Tell me about your situation.
Rose.
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Although I had just heard Li Jianwei explain that the side effects of the medicine have been neutralized, there will be no problems.Aren t you receiving any treatment Yes, the doctor prescribed medicine.
The only money that could be used now was the money allocated by Song Jiaying.What s going on Zhao Xinfang said, blaming himself, It s my fault, I m too impulsive.
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He is so pretentious. Being ridiculed by his old classmate, Du Heng could only smile in embarrassment.Come on, go into the house. I ll write you a recipe and explain something to you two.
I heard that they have set their sights on rural areas and are preparing to dispose of this batch of medicinal materials at extremely low prices.He is suffering from chronic spleen deficiency and dampness.
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Du s number. Okay, just a moment Wait. After some manipulations by the toll collector at the registration window, his outpatient doctor changed from Zheng Yuanchao to Du Heng in the second clinic.Du Heng did not speak to Yu Haiting, but turned to Xiao Li and said, Xiao Li, go get my needle kit.
During the years when I was in school, when the family s finances were a little tighter, he only ate once a week or two.Old man, you are recovering well. Do you want to re prescribe the medicine If it is not effective, there is no need to change the prescription.
What you have to do is to form a process in this area and make it more professional.It s up to you. Du Heng was a little dumbfounded. I seem to have forgotten that the initiative is in Dong Yuezhang s hands.
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Instead, it looked a bit like they were coming to Troublemaker.During that period, every extra day he lived was equivalent to suffering for him.
After taking his pulse, Du Heng looked at his mouth again.I asked Xiao Li and he said that Wu Buwei had gone to the ward to treat patients.
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They live a delicate life, but they also have many problems.What Du Heng disagreed with Lu Zhongjiang s statement.
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There were still a lot of people in the hall, but it was no longer so crowded.Du take a look at you. Just take a look at you and you will be fine.
The patient s dementia should be due to excessive stimulation and self isolation.
Por Enrique González Haas | Presidente y director para Schneider Electric México y Centroamérica.