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High-current generator is an indispensable instrument for electrical testing in the power system scientific research department
Instructions:
1. Connect the working circuit according to the electrical schematic diagram. The transformer shell and console must be well grounded.
2. Turn on the power, the green indicator light on the operation console is on, press the start button, the red indicator light is on, and the current riser waits for a rise.
3. Rotate the regulator clockwise and evenly. Pay attention to the output current indication on the console until the required high current. In order to ensure the test accuracy, a standard ammeter can be connected in series with the meter terminal.
4. In the course of testing, if abnormal phenomena are found, the power supply should be cut off immediately and the cause must be ascertained before testing.
5. After the test is completed, the regulator must be returned to zero. Press the stop button to cut off the power and cut off the power supply before removing the test wiring to ensure safety.
6. When making a large current test, correctly connect the working circuit according to the circuit diagram of the product. According to the size of the output current, select the position of the large and small range switches. First return the regulator to zero, and then press the start test button (green). At this time, slowly hold the regulator handle clockwise to rotate the regulator handwheel and watch the ammeter until the desired current value is reached. Until the test reaches a predetermined value, the regulator handwheel is immediately returned to the counterclockwise direction and the stop button is pressed to shut off the power supply.
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