A cover unit for a converter head of a high-voltage converter device includes a flat, preferably planar, cover element and an RIV shielding device peripherally surrounding the cover element for shielding radio interference voltage. The RIV shielding device is formed by a plurality of RIV shielding elements distributed peripherally on the edge of the cover element. The RIV shielding elements each have a substantially cylindrical shape, in particular a capsule shape. A corresponding converter head and a corresponding high-voltage converter device are also provided.

An RC voltage divider includes a secondary part connected to a primary part. The secondary part has a coaxial build up, assembly, configuration or alignment.

An RC voltage divider includes a secondary part connected to a primary part. The secondary part has a coaxial build up, assembly, configuration or alignment.

A vacuum-capacitor-type instrument voltage transformer (1) is equipped with a main capacitor (2) and an insulating tube (3) that accommodates the main capacitor (2). A voltage dividing capacitor (4) is connected to the main capacitor (2) in series. The main capacitor (2) is equipped with a plurality of vacuum capacitors (2a) to (2c) that are connected in series. A high-voltage-side electrode (6) is provided on a high-voltage side of the insulating tube (3), and a ground-side electrode (7) is provided on its low-voltage side. The high-voltage-side electrode (6) is equipped with a high-voltage shield (8). Electrostatic capacity of the vacuum capacitor (for example, the vacuum capacitor (2a)) disposed on the high-voltage side is set to be greater than electrostatic capacity of the vacuum capacitor (for example, the vacuum capacitor (2b)) disposed on the low-voltage side.

A radio transmitter includes a power amplifier configured to receive an input voltage signal and output an output voltage signal; a transformer configured to receive the output voltage signal and output a load voltage signal to a load; a sensing inductor configured to output a sensed current signal in accordance with a magnetic coupling with the transformer; a digitally controlled phase shifter configured to receive the output voltage signal and output a phase-shifted voltage signal in accordance with a phase control code; a mixer configured to output a mixed current signal in accordance with a mixing of the sensed current signal and the phase-shifted voltage signal; and a transimpedance amplifier with of a low-pass response configured to convert the mixed current signal into a mean voltage signal.

A radio transmitter includes a power amplifier configured to receive an input voltage signal and output an output voltage signal; a transformer configured to receive the output voltage signal and output a load voltage signal to a load; a sensing inductor configured to output a sensed current signal in accordance with a magnetic coupling with the transformer; a digitally controlled phase shifter configured to receive the output voltage signal and output a phase-shifted voltage signal in accordance with a phase control code; a mixer configured to output a mixed current signal in accordance with a mixing of the sensed current signal and the phase-shifted voltage signal; and a transimpedance amplifier with of a low-pass response configured to convert the mixed current signal into a mean voltage signal.

The present disclosure pertains to systems and methods for detecting traveling waves in electric power delivery systems. In one embodiment, a system comprises a capacitance-coupled voltage transformer (CCVT) in electrical communication with the electric power delivery system, the CCVT comprising a stack of capacitors and an electrical contact to a first ground connection. Electrical signals from accessible portions of the CCVT are used to detect traveling waves. Current and/or voltage signals may be used. In various embodiments, a single current may be used. The traveling waves may be used to detect a fault on the electric power delivery system.

A radio transmitter includes a power amplifier configured to receive an input voltage signal and output an output voltage signal; a transformer configured to receive the output voltage signal and output a load voltage signal to a load; a sensing inductor configured to output a sensed current signal in accordance with a magnetic coupling with the transformer; a digitally controlled phase shifter configured to receive the output voltage signal and output a phase-shifted voltage signal in accordance with a phase control code; a mixer configured to output a mixed current signal in accordance with a mixing of the sensed current signal and the phase-shifted voltage signal; and a transimpedance amplifier with of a low-pass response configured to convert the mixed current signal into a mean voltage signal.

A radio transmitter includes a power amplifier configured to receive an input voltage signal and output an output voltage signal; a transformer configured to receive the output voltage signal and output a load voltage signal to a load; a sensing inductor configured to output a sensed current signal in accordance with a magnetic coupling with the transformer; a digitally controlled phase shifter configured to receive the output voltage signal and output a phase-shifted voltage signal in accordance with a phase control code; a mixer configured to output a mixed current signal in accordance with a mixing of the sensed current signal and the phase-shifted voltage signal; and a transimpedance amplifier with of a low-pass response configured to convert the mixed current signal into a mean voltage signal.

The present disclosure pertains to systems and methods for detecting traveling waves in electric power delivery systems. In one embodiment, a system comprises a capacitance-coupled voltage transformer (CCVT) in electrical communication with the electric power delivery system, the CCVT comprising a stack of capacitors and an electrical contact to a first ground connection. Electrical signals from accessible portions of the CCVT are used to detect traveling waves. Current and/or voltage signals may be used. In various embodiments, a single current may be used. The traveling waves may be used to detect a fault on the electric power delivery system.