| 摘要 |
There is provided an optical voltage measuring apparatus including a main circuit conductor, a dielectric body which insulatingly supports the main circuit conductor and is fixed to a grounding member, a buried electrode buried in the dielectric body, and an electro-optic element which is connected to the buried electrode and measures a voltage of the main circuit conductor, wherein a voltage, which is divided by an electrostatic capacitance ratio between an electrostatic capacitance, which is created between the main circuit conductor and the buried electrode, and an electrostatic capacitance, which is created between the buried electrode and the grounding member, is applied to the electro-optic element.
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