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ISO 7637 Road vehicles -- Electrical disturbances from conduction and coupling[1] is an internationalelectromagnetic compatibility vehicle standard published by theInternational Organization for Standardization (ISO), that relates to 12- and 24-volt electrical systems. As of November 2018[update], four parts of ISO 7637 have been published,[1][2][3][4][5] and one is in development (part 4):[6]
There are several distinctelectrical transient waveforms that are required from this testing to ISO 7637-2. These pulses or waveforms include very high rise or fall times often in the nanosecond and microseconds range.[7] These transients are designed to simulate electrical occurrences in operational environments, including aload dump simulation. ISO 7637 is referenced by many vehicle manufacturer standards and individual waveforms are modified to meet specific requirements.[8] ISO 7637 includes both immunity and emissions components of electromagnetic compatibility testing.[9] This standard, including ISO 7637-2 places specific requirements on test equipment that can be used to replicate electrical occurrences.[10]
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