Design Method for Isolated High-Voltage AC Sensors
At present,the mainstream AC voltage sensor has a detection range of less than 1 000 volts,and the high-voltage AC sensor requires that the electrical system must be separated.In view of this phenomenon,a design method for isolating high-voltage AC sensors is proposed,which converts the high-voltage AC signal into low-voltage AC signal through the isolation mutual inductance coil,and performs AC/DC conversion to detect the high-voltage AC signal of several thousand volts and isolate the detection signal output.Tests show that the sensor can detect thousands of volts of AC voltage in isolation,and its linearity error and accuracy error are less than 1%.