JASO D001 PDF

From the results above mentioned, this electromagnetic resisting characteristics test using TEM cell is useful jawo a test method to evaluate the operation of an electronic equipment unit under specific condition of lead wire connection, but conducted electromagnetic test that examine the effects of connecting lead wire, wiring, etc. Exponentia function type decaying negative polarity transient voltage; however, for the equipment which is always connected to the power supply, the test voltage shall be agreed between the persons concerned. In addition, grounding of whole test devices is necessary in order to the stabilization of reference potential and the safety during tests. Test apparatus and sait water. When the ignition circuit is opened by the ignition switch, transient voltage tends to differ according to the arc discharge generated by the switch. Limits between 29 and 59 volts per meter are still very difficult to test unless ajso sample is small and parallel plates could be used.

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Malalabar B-1 is d test against the transient voltage discharged from the field coil to the loading side d the ignition switch is opened in the 12V system. Numerical values of test voltages are specified considering the results of the survey with questionaires sent to the companies concerned, as well as the vaiues recommended by SAE, etc.

JASO D Equipment for a normal specification vehicle Class 2: Take the test specimen out of the chamber and keep it for 2 hours or more under room temperature, test it according to 5. Results of the study on electrostatic charged voltages of passenger car drivers in winter Fig. The test specimen shall be operated under the test voltage having been applied thereto, after the operation of test specimen is stabilized, output of jasso source micro interruption equipment shall be micro interrupted and whether any abnormity exist or not of specimen shall be confirmed and recorded.

In the necessary case, the testing conditions severity of the shock, height of drop, etc. Care must be taken because batteries may explode if sparks are generated near them. Refer to Attached Fig. Typical values of the former are as follows, and constants of parts of the test circuit are specified based d them.

Thus such equipments shall be handled as Class 3 or Class 4 equipments. Exponential function type jawo positive polarity transient voltage Type B and Type E: Equipment to be installed at or near the high temperature portion or other special portion. Monitoring device for frequency and high frequency voitage Monitor: A power d device, input device s and loading device. Regarding above operations as one cycle refer to Fig. The test aims to evaluate the voltage resistance against the overvoltage generated in case above mentioned.

Conducted electromagnetic tests are divided into two frequency bands of 30Hz to 50Hz and 50kHz to MHz, while the radiated electromagnetic tests are divided into three tests, test by magnetic field of 30Hz to 15kHz and tests by electric fields of 1MHz to MHz and MHz to MHz.

Of load dampings, A-1 and D-1 are the tests for transient voltages caused by the delayed response in field coil. Should it be essentially required, the testing conditions condense of the dust, duration of test, etc.

Some test results indicate, if a noise suppressor condenser is installed in parallel to the power supply circuit, it will constitute the major electrostatic capacity of the power supply circuit, and will affect on the generation of arc discharge. Setting temperature shall be as shown in Table Further, operate the test specimen for k 2 hours under the specified temperature. Frequency of repetition Ri: Logarithmic conical spiral Transmitting antenna: Equipment installed in the vehicle compartment and the trunk room, other than class 4.

Jazo classification of equipment shall be as follows: Since under such condition, the generation o transient f voltage is limited to be kept so low that the test jaao be made more relaxed, the resistance has been decided to be specified so to be directly connected with the power source and the test specimen.

Values in are reference values for the resistor power ratings. Table 1 of Explanatory reference 3: Typical values of the former are jasoo follows, and constants of parts of the test circuit are specified based on them: O to 30A, jao to 15kHz Fig.

Limited to equipments of special specification vehicles under the agreement between the persons concerned where, Vi: The classifications jaeo the equipments shall be as follows: Most 10 Related.

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Malalabar B-1 is d test against the transient voltage discharged from the field coil to the loading side d the ignition switch is opened in the 12V system. Numerical values of test voltages are specified considering the results of the survey with questionaires sent to the companies concerned, as well as the vaiues recommended by SAE, etc. JASO D Equipment for a normal specification vehicle Class 2: Take the test specimen out of the chamber and keep it for 2 hours or more under room temperature, test it according to 5. Results of the study on electrostatic charged voltages of passenger car drivers in winter Fig. The test specimen shall be operated under the test voltage having been applied thereto, after the operation of test specimen is stabilized, output of jasso source micro interruption equipment shall be micro interrupted and whether any abnormity exist or not of specimen shall be confirmed and recorded. In the necessary case, the testing conditions severity of the shock, height of drop, etc.

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Tezil Any equipment installed under the spring of suspension system and any equipment installed on engine, the vibration of which is relatively high. In addition, the test apparatus for 14kHz to 30MHz frequency range electric fields may be the parallel strip line Explanatory Fig. WR 4R Maximum value of transient voltage: The test shall be carried out for following equipments: Classification of tests The classification of tests shall be in accordance with Table. Some test results indicate, if a noise suppressor condenser is installed in parallel to the power supply circuit, it will constitute the major electrostatic capacity of the power supply circuit, and will affect on the generation of arc naso. B-1 is a test against the transient voltage discharged from the field coil to the loading side when the ignition switch is opened in the 12V system. Removing the power supply device, carry out the test specified in 5. Equipment installed inside the engine room other than class 4.

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Grorr Removing the power supply device, carry out the test specified in 5. Any equipment installed on engine, the vibration of which is relatively low. Type A and Type D These are the tests which assume the transient voltages generated upon load damping classified in 1 above. From this result, it was recognized that wide revisions were not required, with the achievements accomplished since the time when enacted being taken into consideration. This is a test to evaluate the resistance against the over- voltage supplied in the case mentioned above, the objective equipment to which are same as those mentioned in the paragraph 5.

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