Hand-held special transformer transformation ratio group tester
The utility model discloses a hand-held special transformer transformation ratio group tester, which belongs to the technical field of transformer transformation ratio testing and comprises a circuit end, the circuit end comprises a single chip microcomputer controller and a DDS signal source module...
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| Hauptverfasser: | , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a hand-held special transformer transformation ratio group tester, which belongs to the technical field of transformer transformation ratio testing and comprises a circuit end, the circuit end comprises a single chip microcomputer controller and a DDS signal source module connected to the single chip microcomputer controller, and the DDS signal source module comprises a DDS signal source body and a working power supply. The DDS signal source body is electrically connected with the single-chip microcomputer controller, the working power supply is electrically connected with the DDS signal source body and the single-chip microcomputer controller, the DDS signal source body is connected with a three-phase power amplifier, and the output end of the three-phase power amplifier is connected with a boosting transformer. The output end of the single-chip microcomputer controller is connected with two switching relays used for adjusting the transformation ratio of a transformer to be tested |
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