dor_id: 26215

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351.#.#.6: http://www.revistas.unam.mx/index.php/ingenieria/index

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harvesting_group: RevistasUNAM

270.1.#.p: Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

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856.4.0.u: http://www.revistas.unam.mx/index.php/ingenieria/article/view/47821/43005

100.1.#.a: Vázquez Guzmán, Gerardo; Martínez Rodríguez, Sosa Zúñiga, José Miguel

524.#.#.a: Vázquez Guzmán, Gerardo, et al. (2015). High Efficiency Single-Phase Transformer-less Inverter for Photovoltaic Applications. Ingeniería Investigación y Tecnología; Vol 16, No 2, 2015. Recuperado de https://repositorio.unam.mx/contenidos/26215

245.1.0.a: High Efficiency Single-Phase Transformer-less Inverter for Photovoltaic Applications

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Facultad de Ingeniería, UNAM

264.#.0.c: 2015

264.#.1.c: 2016-05-12

653.#.#.a: Photovoltaics systems; common mode voltage; leakage current; efficiency; parasitic capacitance

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-ND 4.0 Internacional, https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode.es, fecha de asignación de la licencia 2016-05-12, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico marciaglez@dirfing.unam.mx

884.#.#.k: http://www.revistas.unam.mx/index.php/ingenieria/article/view/47821

001.#.#.#: oai:ojs.phoenicis.tic.unam.mx:article/47821

041.#.7.h: spa

520.3.#.a: Photovoltaic (pv) inverters have a very important role in the energy market, therefore they must possess excellent characteristics regarding cost and reliability. The pv structure most often used in the conversion stage of solar energy system includes a low frequency transformer (lft) which provides galvanic isolation, but on the other hand reduces the overall efficiency and increases the total size and cost of the system. an alternative to reduce the size of the system and the losses, is to use a high frequency transformer (hft), the problem in this case is that additional power stages must be included in the system. The additional stages increase the power losses in the conversion process, as a consequence the efficiency of the system is reduced. therefore the tendency is to remove the transformer in order to increase the efficiency and reduce the cost. A security problem regarding common mode currents arise when the lft or hft is omitted. in this paper an inverter topology to deal with the problem of the common mode currents is proposed. numerical results are performed in order to prove the performance of the topology regarding efficiency and common mode voltage (cmv) issues.

773.1.#.t: Ingeniería Investigación y Tecnología; Vol 16, No 2 (2015)

773.1.#.o: http://www.revistas.unam.mx/index.php/ingenieria/index

046.#.#.j: 2021-08-03 00:00:00.000000

022.#.#.a: ISSN impreso: 1405-7743

310.#.#.a: Trimestral

264.#.1.b: Facultad de Ingeniería, UNAM

758.#.#.1: http://www.revistas.unam.mx/index.php/ingenieria/index

handle: 00a3fa70f15ed746

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last_modified: 2021-08-12 16:00:00

license_url: https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode.es

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Artículo

High Efficiency Single-Phase Transformer-less Inverter for Photovoltaic Applications

Vázquez Guzmán, Gerardo; Martínez Rodríguez, Sosa Zúñiga, José Miguel

Facultad de Ingeniería, UNAM, publicado en Ingeniería, Investigación y Tecnología, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Cita

Vázquez Guzmán, Gerardo, et al. (2015). High Efficiency Single-Phase Transformer-less Inverter for Photovoltaic Applications. Ingeniería Investigación y Tecnología; Vol 16, No 2, 2015. Recuperado de https://repositorio.unam.mx/contenidos/26215

Descripción del recurso

Autor(es)
Vázquez Guzmán, Gerardo; Martínez Rodríguez, Sosa Zúñiga, José Miguel
Tipo
Artículo de Investigación
Área del conocimiento
Ingenierías
Título
High Efficiency Single-Phase Transformer-less Inverter for Photovoltaic Applications
Fecha
2016-05-12
Resumen
Photovoltaic (pv) inverters have a very important role in the energy market, therefore they must possess excellent characteristics regarding cost and reliability. The pv structure most often used in the conversion stage of solar energy system includes a low frequency transformer (lft) which provides galvanic isolation, but on the other hand reduces the overall efficiency and increases the total size and cost of the system. an alternative to reduce the size of the system and the losses, is to use a high frequency transformer (hft), the problem in this case is that additional power stages must be included in the system. The additional stages increase the power losses in the conversion process, as a consequence the efficiency of the system is reduced. therefore the tendency is to remove the transformer in order to increase the efficiency and reduce the cost. A security problem regarding common mode currents arise when the lft or hft is omitted. in this paper an inverter topology to deal with the problem of the common mode currents is proposed. numerical results are performed in order to prove the performance of the topology regarding efficiency and common mode voltage (cmv) issues.
Tema
Photovoltaics systems; common mode voltage; leakage current; efficiency; parasitic capacitance
Idioma
spa
ISSN
ISSN impreso: 1405-7743

Enlaces