Converter detection device and method applicable to distributed power island detection
A distributed power supply and island detection technology, applied in the field of power system control, can solve problems such as complex control and reduced power quality of converter output
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[0038] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0039] A converter detection device suitable for distributed power island detection, such asfigure 1 shown, including a converter and a signal detection unit;
[0040] The signal detection unit includes: a frequency signal detection circuit, a voltage sensor, a current sensor, a synchronous signal sampling circuit, a signal conditioning circuit, an A / D conversion circuit, a DSP control chip and a display device.
[0041] The input end of the converter is connected to the distributed power supply, and the output end of the converter is connected to the input end of the signal detection circuit, the input end of the voltage sensor and the input end of the current transformer; the output end of the voltage sensor and the input end of the current transformer are connected. The output end of the current sensor is connected to the input end of the...
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