H01H33/666

SYSTEM FOR CONTROLLING A VACUUM INTERRUPTER FOR A POWER DIVERTER SWITCH, A POWER DIVERTER SWITCH AND AN ON-LOAD TAP CHANGER

A system for controlling a vacuum interrupter for a power diverter switch comprises a main driving shaft which is configured to drive the control cam. The system further comprises the vacuum interrupter which is configured to separate electrical contacts in a vacuum by use of a contact rod, and a transmission unit which is configured to transmit the force generated by the main driving shaft to the contact rod. The transmission unit comprises a plurality of rollable guiding elements and a lever mechanism which is coupled to both the control cam and the contact rod of the vacuum interrupter such that a rotation of the control cam generated by the main driving shaft causes a movement of the contact.

VACUUM VALVE AND METHOD FOR MANUFACTURING VACUUM CIRCUIT BREAKER
20220415594 · 2022-12-29 · ·

A vacuum valve includes: a vacuum vessel; a cylinder; a partition wall separating an inside of the vacuum vessel from an inside of the cylinder; a movable conductor penetrating the partition wall being movable in an axial direction; a fixed contact fixed inside the vacuum vessel; a moving contact integrated with the movable conductor and being capable of separating from the fixed contact and coming into contact with the fixed contact in association with movement of the movable conductor; a lid that covers an end of the cylinder, the end being on a side opposite to the partition wall; a connecting rod penetrating the lid and coupled to the movable conductor via an insulating rod as an insulator; and a holder that holds the connecting rod while preventing movement of the connecting rod toward the fixed contact in a state where the moving contact is separated from the fixed contact.

VACUUM VALVE AND METHOD FOR MANUFACTURING VACUUM CIRCUIT BREAKER
20220415594 · 2022-12-29 · ·

A vacuum valve includes: a vacuum vessel; a cylinder; a partition wall separating an inside of the vacuum vessel from an inside of the cylinder; a movable conductor penetrating the partition wall being movable in an axial direction; a fixed contact fixed inside the vacuum vessel; a moving contact integrated with the movable conductor and being capable of separating from the fixed contact and coming into contact with the fixed contact in association with movement of the movable conductor; a lid that covers an end of the cylinder, the end being on a side opposite to the partition wall; a connecting rod penetrating the lid and coupled to the movable conductor via an insulating rod as an insulator; and a holder that holds the connecting rod while preventing movement of the connecting rod toward the fixed contact in a state where the moving contact is separated from the fixed contact.

Breaking Device for a Medium Voltage Electrical Circuit

A device for switching a medium-voltage electrical circuit, including: a vacuum interrupter including a mobile electrode, an actuating lever linked to the mobile electrode and mobile between an opening position and a closing position, an insulator linked to the actuating lever, a control fitting secured to the mobile electrode, and an elastic return means, exerting a return force between the control fitting and the insulator, wherein a travel of displacement of the actuating lever is greater than the opening distance such that the control fitting is distanced from the insulator when the actuating lever is in the closing position. The switching device including an indicator stem secured to the control fitting, which is configured to extend at least partly out of the insulator when the actuating lever is in the closing position.

Breaking Device for a Medium Voltage Electrical Circuit

A device for switching a medium-voltage electrical circuit, including: a vacuum interrupter including a mobile electrode, an actuating lever linked to the mobile electrode and mobile between an opening position and a closing position, an insulator linked to the actuating lever, a control fitting secured to the mobile electrode, and an elastic return means, exerting a return force between the control fitting and the insulator, wherein a travel of displacement of the actuating lever is greater than the opening distance such that the control fitting is distanced from the insulator when the actuating lever is in the closing position. The switching device including an indicator stem secured to the control fitting, which is configured to extend at least partly out of the insulator when the actuating lever is in the closing position.

VACUUM INTERRUPTER MODULE FOR A TAP CHANGER, POWER DIVERTER SWITCH, AND TAP CHANGER

A vacuum interrupter module for a tap changer includes an insulation plate having a first main side and a second main side opposite of the first main side, a vacuum interrupter assembly, a bypass switch assembly, and a control cam. The vacuum interrupter assembly includes a vacuum interrupter and a driving mechanism coupled with the vacuum interrupter, the vacuum interrupter and the driving mechanism being arranged on the first main side of the insulation plate. The bypass switch assembly includes two bypass contacts, each one mechanically connected to a corresponding bypass lever, the two bypass contacts and the two corresponding bypass levers being arranged on the first main side of the insulation plate. The control cam is arranged on the first main side of the insulation plate and configured to actuate both the driving mechanism and, through the corresponding bypass levers, the two bypass contacts.

VACUUM CIRCUIT BREAKER

A vacuum circuit breaker includes: a grounded tank; a vacuum valve including a vacuum container housing a movable contact and a stationary contact, a movable conductor that is connected to the movable contact and extends out of the vacuum container, and a tubular bellows; a tubular movable-side bushing conductor; a slider movably set inside the movable-side bushing conductor; a movable-side frame that communicates with a space inside a tube of the bellows and electrically connects the movable-side bushing conductor to the movable conductor; an operation rod having one end protruding to an outside of the grounded tank and an opposite end connected to the movable conductor; an operating device that moves the operation rod; a movable-side support plate covering an end of the grounded tank where the operation rod extends out of the grounded tank; and a packing set in a hole.

Control system for an electrical apparatus

A system includes an electrical apparatus configured to monitor or control one or more aspects of an electrical power distribution network; and a control system including more than one electronic processor, where the electronic processors are configured to cause the control system to interact with the electrical apparatus, an interaction between the control system and the electrical apparatus including one or more of the control system providing information to the electrical apparatus and the control system receiving information from the electrical apparatus, and if some of the electronic processors are unable to cause the control system to interact with the electrical apparatus, at least one of the other electronic processors is able to cause the control system to interact with the apparatus.

Control system for an electrical apparatus

A system includes an electrical apparatus configured to monitor or control one or more aspects of an electrical power distribution network; and a control system including more than one electronic processor, where the electronic processors are configured to cause the control system to interact with the electrical apparatus, an interaction between the control system and the electrical apparatus including one or more of the control system providing information to the electrical apparatus and the control system receiving information from the electrical apparatus, and if some of the electronic processors are unable to cause the control system to interact with the electrical apparatus, at least one of the other electronic processors is able to cause the control system to interact with the apparatus.

High-voltage power switch with closing resistor arrangement

A high-voltage power switch, preferably with a dead tank design, contains: a switching unit that has a switching device and an actuation element that is axially movable in relation to a longitudinal axis of the switching device to actuate the switching device and a closing resistor unit that has a closing resistor arrangement and an adjusting element that is axially movable in relation to a longitudinal axis of this closing resistor arrangement to actuate the closing resistor arrangement. The actuation element is coupled to the adjusting element in order to move the latter. Accordingly, the longitudinal axis of the switching unit and the longitudinal axis of the closing resistor unit are spaced apart, and the actuation and adjusting elements are coupled by a coupling device of the high-voltage power switch.