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Specific steps of generator power test

发表时间:2018-08-22 Article source : Couch motor manufacturersPost time: 2018-08-22

Generator rental describes the test steps of generator power generation. 1: Check whether there is any disconnection, misconnection, or short circuit in the connection parts of the external wires of the generator, and measure the battery voltage at point B + with a voltmeter. 2: Down the key door to the "open" position, but do not start the engine. At this time, use a voltmeter to measure the voltage at point D + and observe whether the charging indicator is bright.

3: Start the engine, measure the voltage at point B + of the engine with a voltmeter, and the following values should be reached: generator lease 12V, system voltage is 13V or more while adding and subtracting throttle, voltage generator lease 24V, system voltage is 27V, and there is a slight change of 0.1 ~ 0.2V

4: Turn on some loads. For example, if the lamp 12V system voltage is above 13V and the throttle is added and subtracted at the same time, the voltage is 24V and the system voltage is above 27V. There is a moderate change of 0.2 ~ 0.4V.

5: Turn on the main electrical appliances such as air conditioners, lights, etc. 12V system voltage is above 13V while adding and subtracting throttle, voltage 24V system voltage is above 27V, there is a large change of 0.5 ~ 1V

When the third step is performed, the generator has no voltage output. You can take the following measures to check. For generators with a D + point that generates excitation, such as 27 series, 23 series, 29 series, and 19 series, a 2.5mm2 wire can be led from the positive electrode of the battery. After starting the engine, use the other end to instantly click on the D + point (within 1S of time).

Then use a voltmeter to measure whether there is voltage output at point B +. If there is, check from step 3 to step 5. At the same time, it is determined that the charging lamp line of the vehicle is disconnected (generally, the indicator lamp is damaged, and the instrument panel rod is connected. Loose, the line is open), if there is no voltage output, the generator has a failure to generate power.

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