In the study of new type of electronic voltage transformer

the resistance-capacitance-shunt voltage divider is used as the voltage sensor.The capacitor unit is made of metallized polypropylene film structure with same capacitance temperature characteristics and high division accuracy.The discharge path of the shunt is provided by the shunt resistor and the transient error is eliminated.The positive temperature coefficient resistance

which is the opposite of the negative temperature characteristic of the polypropylene capacitor

is used and the numerical value is similar and the phase error is less than 5′.The larger the capacitance is

the ratio of the shunt action of the resistance is less

and the voltage signal is close to the pure capacitive division output without restoring the circuit.Reasonable design and selection of digital converter components can assure accuracy of electronic transformer up to 0.1/0.2.