Relay protection test device
The invention relates to a relay protection test device and belongs to the technical field of relay protection. The relay protection test device comprises a man-machine interface, a main control circuit, a voltage amplifying circuit and a current amplifying circuit, wherein the man-machine interface...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention relates to a relay protection test device and belongs to the technical field of relay protection. The relay protection test device comprises a man-machine interface, a main control circuit, a voltage amplifying circuit and a current amplifying circuit, wherein the man-machine interface is used for inputting a control signal; the main control circuit is used for receiving the controlsignal and converting the control signal into a corresponding voltage control signal and a corresponding current control signal; the voltage amplifying circuit is used for receiving the voltage control signal, amplifying the voltage control signal and outputting the amplified voltage control signal; the current amplifying circuit is used for receiving the current control signal and amplifying thecurrent control signal; the current amplifying circuit comprises a constant current control circuit; and a voltage output signal and a current output signal are connected with a to-be-detected relay protection device. The rela |
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