Electric or hybrid vehicles are becoming more and more common on the roads. Manufacturers have high requirements in terms of insulation level throughout the entire life cycle of these vehicles. This period is usually 15 years. It is therefore expected to comply with factory standards such as Mercedes MBN LV 123, BMW GS 95023 or Volkswagen VW 80303.
In addition to the parallel connection of individual components, there are aspects of material wear, penetrating moisture, contamination and corrosion throughout the entire life cycle of an electric vehicle operation. For this reason, vehicles must have much higher insulation values when delivered to be able to operate safely throughout their entire lifecycle.
The VW 80303 standard, developed by the Volkswagen automobile company, describes the electrical properties and electrical safety requirements of high-voltage components for road vehicles, and defines test methods.
Vehicle manufacturers must ensure the quality of the high voltage electrical system to ensure that it operates with functionality throughout the vehicle's entire lifecycle. The high-voltage electrical system installed in today's electric vehicles connects many different types of consumer systems to a powerful high-voltage battery. However, all inverters and converters with high frequency switched power electronics used in the vehicle mutually cause current and voltage fluctuations in the circuits.
Significant voltage harmonic waves, called ripple, are tested for their size and maximum dynamics during development and finally during vehicle acceptance. The VW 80303 standard is used as a guide for such tests.
This standard defines precise test conditions for testing high-voltage components in electric and hybrid vehicles. During the vehicle acceptance phase before it is released for mass production, the entire high-voltage electrical system is verified by high-speed voltage and operational current measurements. Manufacturer-specific extended test conditions that go beyond this standard are also applied to ensure that the electrical system is sufficiently robust.
Among the numerous test, measurement, analysis and evaluation studies it provides for businesses in various sectors, our organization also provides electrical properties and electrical safety testing services of high voltage components in motor vehicles, within the scope of VW 80303 standard, with its trained and expert staff and advanced technological equipment.
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