ISO 11452-4:2005 pdf download.Road vehicles -Component test methods for electrical disturbances from narrow band radiated electromagnetic energy - Part 4: Bulk current injection (BCI).
6 Test apparatus and instrumentation
6.1 General
Bulk current injection (BCI) is a method of carrying out immunity tests by inducing disturbance signals directly into the wiring harness by means of a current injection probe. The injection probe is a current transformer through which the wiring harnesses of the device under test (OUT) are passed Immunity tests are carried out by varying the test severity level and frequency of the induced disturbance.
6.2 Measuring equipment
6.2.1 Current Injection probe or set of probes, capable of operating over the entire test frequency range. required to couple the test equipment to the DUT. The probe(s) shall be capable of withstanding a continuous rnput power over the test frequency range regardless of the system loading.
6.2.2 Current m.asur.m.nt probe or set of prob.s. capable of operating over the entire test frequency range.
6.2.3 ArtIficIal network(s) (AN) see 7.2 and Annex C.
6.2.4 RF generator, with internal (or external) modulation capabilities.
6.2.5 Power ampllfl.r
6.2.6 Powermeter (or equivalent measuring instrument), for measuring foiward power and reflected power.
6.2.7 Current measuring equipment
6.3 Stimulation and monitoring of DUT
The DUT shall be operated as required in the test plan by actuators that have a mln4mum effect on the electromagnetic characteristics. e.g. plastic blocks on the push-buttons. pneumat actuators with plastic tubes.
Connections to equipment monitoring electromagnetic interference reactions of the OUT may be accompshed by using fibre.optics. or high-resistance leads, Other types of lead may be used but require extreme care to minimize interactions. The orientation, length and location of such leads shall be carefully documented to ensure repeatability of test results,
Any electrical connection of monitoring equipment to the DUT may cause malfunctions of the DUT. Extreme care shall be taken to avoid such an effect.
6.1 General
Bulk current injection (BCI) is a method of carrying out immunity tests by inducing disturbance signals directly into the wiring harness by means of a current injection probe. The injection probe is a current transformer through which the wiring harnesses of the device under test (OUT) are passed Immunity tests are carried out by varying the test severity level and frequency of the induced disturbance.
6.2 Measuring equipment
6.2.1 Current Injection probe or set of probes, capable of operating over the entire test frequency range. required to couple the test equipment to the DUT. The probe(s) shall be capable of withstanding a continuous rnput power over the test frequency range regardless of the system loading.
6.2.2 Current m.asur.m.nt probe or set of prob.s. capable of operating over the entire test frequency range.
6.2.3 ArtIficIal network(s) (AN) see 7.2 and Annex C.
6.2.4 RF generator, with internal (or external) modulation capabilities.
6.2.5 Power ampllfl.r
6.2.6 Powermeter (or equivalent measuring instrument), for measuring foiward power and reflected power.
6.2.7 Current measuring equipment
6.3 Stimulation and monitoring of DUT
The DUT shall be operated as required in the test plan by actuators that have a mln4mum effect on the electromagnetic characteristics. e.g. plastic blocks on the push-buttons. pneumat actuators with plastic tubes.
Connections to equipment monitoring electromagnetic interference reactions of the OUT may be accompshed by using fibre.optics. or high-resistance leads, Other types of lead may be used but require extreme care to minimize interactions. The orientation, length and location of such leads shall be carefully documented to ensure repeatability of test results,
Any electrical connection of monitoring equipment to the DUT may cause malfunctions of the DUT. Extreme care shall be taken to avoid such an effect.
