Disclosed is an on-load voltage regulation tap switch for a transformer, comprising a main switch group, a switch contact protection branch and a switch control circuit, wherein the main switch group comprises a plurality of switch contacts, one end of the switch group is connected to a corresponding transformer winding tap, and the other end of the switch group is connected in parallel and is then connected to a power source; the switch contact protection branch is a series circuit formed by a plurality of groups of diodes and auxiliary switch contacts, and is respectively connected to both ends of a corresponding main switch in parallel; and the switch control circuit is composed of a power source, a single chip microcomputer and a peripheral circuit, and controls all of the main switches and auxiliary switches to act in a certain time sequence to complete the switching of the transformer windings.

Disclosed is an on-load voltage regulation tap switch for a transformer, comprising a main switch group, a switch contact protection branch and a switch control circuit, wherein the main switch group comprises a plurality of switch contacts, one end of the switch group is connected to a corresponding transformer winding tap, and the other end of the switch group is connected in parallel and is then connected to a power source; the switch contact protection branch is a series circuit formed by a plurality of groups of diodes and auxiliary switch contacts, and is respectively connected to both ends of a corresponding main switch in parallel; and the switch control circuit is composed of a power source, a single chip microcomputer and a peripheral circuit, and controls all of the main switches and auxiliary switches to act in a certain time sequence to complete the switching of the transformer windings.

An on-load tap changer for uninterrupted switching between different winding taps of a tapped transformer has a plurality of fixed selector contacts electrically connected with the individual winding taps, arranged in a line, and actuatable by two longitudinally displaceable movable selector contacts. Two vacuum interrupters serve for the uninterrupted switching of each phase. A motor drive actuates the on-load tap changer. The entire load changeover switch is arranged by a transmission module on the underside of a transformer cover.

An on-load tap changer for uninterrupted switching between different winding taps of a tapped transformer has a plurality of fixed selector contacts electrically connected with the individual winding taps, arranged in a line, and actuatable by two longitudinally displaceable movable selector contacts. Two vacuum interrupters serve for the uninterrupted switching of each phase. A motor drive actuates the on-load tap changer. The entire load changeover switch is arranged by a transmission module on the underside of a transformer cover.

Disclosed are various embodiments for a control system for motor/generator comprising: a controller configured to receive sensor input related to rotation of a plurality of coils relative to a throat of a partial toroidal magnetic cylinder, and energize the coils based on the sensor input.

Disclosed are various embodiments for a control system for motor/generator comprising: a controller configured to receive sensor input related to rotation of a plurality of coils relative to a throat of a partial toroidal magnetic cylinder, and energize the coils based on the sensor input.

This consists of a system capable of integrating all the control, supervision and monitoring functions of power transformers (2) equipped with on-load tap changers bringing benefits such as design simplifications, manufacturing simplifications, reductions in manufacturing costs, optimization and reduction of maintenance costs, and increased reliability of the transformer, which is promoted to the category of intelligent transformer, ready for the Industrial Internet of Things (IIoT) and Smart Grids.

This consists of a system capable of integrating all the control, supervision and monitoring functions of power transformers (2) equipped with on-load tap changers bringing benefits such as design simplifications, manufacturing simplifications, reductions in manufacturing costs, optimization and reduction of maintenance costs, and increased reliability of the transformer, which is promoted to the category of intelligent transformer, ready for the Industrial Internet of Things (IIoT) and Smart Grids.

An output inductance value controlling method, apparatus, and computer device for a multi-tap reactor. A single output port of the multi-tap reactor is correspondingly connected to a single relay, and each relay is connected to a general power supply of all air conditioner internal units. When in use, an air conditioning system acquires a motor speed and a phase current of each air conditioner internal unit separately, and then calculates a sum of motor powers of all the air conditioner internal units according to the motor speeds and the phase currents. The system matches a basic inductance value required by the air conditioner internal units according to the sum of motor powers, sets a current output inductance value of the multi-tap reactor according to the basic inductance value, and inputs the output inductance value into the corresponding air conditioner internal units.

An output inductance value controlling method, apparatus, and computer device for a multi-tap reactor. A single output port of the multi-tap reactor is correspondingly connected to a single relay, and each relay is connected to a general power supply of all air conditioner internal units. When in use, an air conditioning system acquires a motor speed and a phase current of each air conditioner internal unit separately, and then calculates a sum of motor powers of all the air conditioner internal units according to the motor speeds and the phase currents. The system matches a basic inductance value required by the air conditioner internal units according to the sum of motor powers, sets a current output inductance value of the multi-tap reactor according to the basic inductance value, and inputs the output inductance value into the corresponding air conditioner internal units.