Voltage sensor and AIS suitable for broadband voltage measurement

The invention discloses a voltage sensor suitable for broadband voltage measurement and an AIS, and belongs to the field of switchgear structure design, and the voltage sensor suitable for broadband voltage measurement comprises a high-voltage electrode, a low-voltage electrode and an insulating sleeve arranged at the outermost part, and the high-voltage electrode and the low-voltage electrode are coaxially arranged; the high-voltage electrode is arranged outside the low-voltage electrode; insulating gas is filled between the low-voltage electrode and the high-voltage electrode and between the high-voltage electrode and the insulating sleeve; the high-voltage electrode is connected with a power supply of broadband voltage to be measured, and the low-voltage electrode is grounded through a grounding wire; and the broadband voltage signal of the power supply with the broadband voltage to be measured is determined. An existing electrode conductor is replaced by the low-voltage electrode, and the electrode conduc