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Librería Técnica

La librería técnica de Megger ofrece acceso a una amplia gama de contenidos y recursos, tales como guías técnicas, notas aplicativas y mucho más. Cuando usted se registra y crea una Cuenta Megger, usted puede entre otras cosas, registrar su producto y tener acceso a una amplia gama de actualizaciones de software y descarga de catálogos y folletos específicos sobre su productos.

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    Mostrando artículo/s 11 - 20 de 29 en total
Oil-paper insulation voltage dependency during frequency response analysis
Dielectric Frequency Response, DFR is the extension of power factor testing except that the measurement is performed from 1 kHz down to typically 1 mHz. It is a very useful tool for evaluating the moisture content in solid insulation of HV and EHV components such as power transformers, bushings, instrument transformers and PILC cables.
Publicado: 12 julio 2018
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On-site testing of special transformers
The increased usage of the phase shifting transformers in various fields within power systems has introduced new challenges in performing on-site maintenance testing.
Publicado: 12 julio 2018
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PowerOn TTSC June 2014
Improved transformer insulation assessment using dielectric response analysis.
Publicado: 12 julio 2018
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Innovative test and diagnostic system for medium voltage cables – PD monitored withstand testing versus non-destructive Partial Discharge (PD) diagnosis
For testing and partial discharge (PD) diagnostic purposes many different test voltage wave shapes and frequencies have been established over the past years. Their application is well proven and is guided by IEEE 400 norm.
Publicado: 12 julio 2018
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Investigations on a combined resonance/VLF HV test system – partial discharge (PD) characteristics at VLF and DAC voltages
The necessity of HV cable testing is a given fact. So far, two testing methods, 24 hour soak or resonance testing are commonly used. This paper describes a comparison of test power demand dependent from voltage shape and test capacitance as well as the power consumption of test systems for different test techniques.
Publicado: 12 julio 2018
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Lessons learned from a 400 kV busbar misoperation utilizing the IEC 61850 standard
This paper discusses the investigation of the tripping of a 400 kV substation due to improper operation of a bus-bar protection scheme.
Publicado: 12 julio 2018
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Modern ART (Accuracy in Resistance Testing)
This paper will demonstrate the advantages of applying a variable low frequency AC waveform and, using temperature-to-frequency conversion techniques developed, and also the ability to correct any resistance value automatically to a to a known temperature corrected result.
Publicado: 12 julio 2018
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Offline PD diagnostics using several excitation voltages
Diagnostics on both MV and HV cables is used as part of commissioning tests to check the quality of workmanship of newly installed cables and accessories. This paper goes into detail to all available excitation voltages for offline PD diagnostics.
Publicado: 12 julio 2018
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Demagnetisation of GOES
The process of demagnetisation from the material viewpoint and its implications for transformer testing.
Publicado: 12 julio 2018
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Effects of Low Resistance Measurement Instruments on Protection and Control Devices
This paper will provide an insight into the factors that can go wrong during micro ohm measurements and how to prevent those using a proactive approach.
Publicado: 12 julio 2018
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  • Mostrando artículo/s 11 - 20 de 29 en total