US 2021/0198052 A1 · HOLDING AND EXCHANGING DEVICE AND METHOD FOR POWER MODULES

Abstract

The invention relates to a method and a modular holding and exchanging system (1) for medium or high voltage converters, preferably a modular multilevel converter, comprising a rack (2) for receiving at least two power modules (3) arranged on top of one another in receiving spaces (4), wherein the rack (2) has at least two pairs of vertical standing elements (5) and at least two carrier elements (6) connecting the vertical standing elements (5) in a longitudinal direction (10) of the rack (2) in a horizontal support plane (9), a lifting tool (7) that can be coupled with the rack (2), which lifting tool (7) comprises at least one, preferably at least two, rolling bodies (19) that can be adjusted between a rest position (13) and a support and/or service position (14) for temporarily raising and/or moving a power module (4), wherein the power modules (4) have support surfaces (16) projecting in a transverse direction (11) with respect to a housing width (15) for being supported on the carrier elements (6), and the carrier elements (6) have an upper side (17) provided for at least parts of the support surface (16) of the respective power module (4) to rest on, and are configured as a profile element such that every carrier element (6) has at least one, preferably at least two passages (18), each, that are spaced apart from one another in the longitudinal direction (10), for at least one rolling body (19) to pass through in the service position (14) of the lifting tool (7), and wherein the lifting tool (7) comprises a longitudinally extended profile body (21), preferably a hollow body, configured so as to be insertable into the profile element of the carrier element (6) in the rest position (13), in which profile body (21) a lever device (20) is formed for adjusting the at least one rolling body (19), preferably of the at least two rolling bodies (19), which are spaced apart from one another in the longitudinal direction (10), from the rest position (13) into the service position (14).

Claims21

Dependent claims

A modular holding and exchanging system for a medium or high voltage converter, comprising:

a rack for receiving at least two power modules arranged on top of one another in receiving spaces, wherein the rack has at least two pairs of vertical standing elements and at least two carrier elements connecting the vertical standing elements in a longitudinal direction of the rack in a horizontal support plane,
a lifting tool that can be coupled with the rack, which lifting tool comprises one or more rolling bodies that can be adjusted between a rest position and a support and service position for temporarily raising and/or moving a power module, wherein
the power modules have support surfaces projecting in a transverse direction with respect to a housing width for being supported on the carrier elements, and
the carrier elements have an upper side provided for at least parts of the support surface of the respective power module to rest on, and are configured as a profile element such that every carrier element has at least one passage, each, that are spaced apart from one another in the longitudinal direction, for at least one rolling body to pass through in the service position of the lifting tool,
and wherein the lifting tool comprises a longitudinally extended profile body configured so as to be insertable into the profile element of the carrier element in the rest position, in which profile body a lever device is formed for adjusting the at least one of the rolling bodies from the rest position into the service position.

2 more elements

A method for exchanging a power module of a medium or high voltage converter, preferably a modular multilevel converter, comprising the method steps of:

providing a rack configured for receiving at least two power modules of the medium or high voltage converter which can be arranged on top of one another, which rack has at least two pairs of vertical standing elements and at least two carrier elements connecting the vertical standing elements on a longitudinal direction of the rack in a horizontal support plane, and wherein every carrier element has an upper side provided for at least parts of a support surface of the respective power module to rest upon, and the carrier elements are configured as a profile element such that every carrier element has at least one passage for at least one rolling body of a lifting tool to pass through when in a service position;
providing a lifting tool including a longitudinally extended profile body that is configured to be insertable into the profile element of the carrier element in a rest position, and in which profile body a lever device is formed for adjusting the at least one rolling body from the rest position into the service position,
inserting, in the longitudinal direction, one lifting tool each in the two corresponding carrier elements for the power module to be exchanged to rest on laterally in the transverse direction until the rolling bodies are arranged so as to align with the passages of the carrier element,
actuating the lever device of the lifting tool for adjusting the rolling body from the rest position into the service position, wherein the power module to be exchanged is raised by the rolling bodies contacting on at least parts of the support surfaces projecting in the transverse direction relative to its housing width,
horizontal moving out of the power module in the longitudinal direction onto a transfer device, after raising the power module to be exchanged.

2 more elements

Dependencies are inferred from the claim text.

Holding and exchanging device and method for power modules

Life of this patent

Holding and exchanging device and method for power modules

Life of this patent

Abstract

Claims21