Communication network, power converter cabinet and method therefor
A technology of converter cabinet and communication network, applied in the field of communication network, can solve the problems of time-consuming installation, performance degradation and high price
Active Publication Date: 2019-07-09
ABB (SCHWEIZ) AG
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[0027] Hereinafter, the invention will be described in more detail with reference to the accompanying drawings, in which specific embodiments of the invention are shown. However, the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided by way of illustration so that this disclosure will be thorough and complete , and fully convey the scope of the invention to those skilled in the art. Throughout the specification, the same numerals represent the same elements.
[0028] The basic idea of the present invention is to use the non-line-of-sight propagation of millimeter wave radio to realize communication with strict timing requirements in power converter applications.
[0029] A solution for timing-critical communications in power converter applications can be the application of wireless communications based on electromagnetic wave propagation. However, well-known wi...
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The invention relates to a communication network in a power converter cabinet (1). The power converter cabinet (1) comprises at least one control unit (5; 7a, 7b) and at least one power switch (6a‑d), sensor (8‑10) or actuator, and wherein the first communication point (2) In the power converter cabinet (1) at least one control unit (5; 7a, 7b) is connected, and a second communication point (3a-d) is connected in the power converter cabinet (1) at least one power switch (6a ‑d), sensors (8‑10) or actuators. The communication network comprises: a first communication point (2) provided with a first antenna configured to transmit / receive wirelessly in the millimeter wave frequency band with an aperture angle between 20 degrees and 180 degrees; and a second communication point (3a-d), provided with a second antenna configured to receive / transmit wirelessly in the millimeter wave frequency band with an aperture angle between 20 degrees and 180 degrees; wherein the first communication point and the second communication point are configured A communication link with multiple propagation paths is established to send data between different active devices and / or active components within a power converter cabinet (1). The invention also relates to a power converter cabinet and a method for communication within a power converter cabinet.
Description
technical field [0001] The invention relates to a communication network in a power converter cabinet. The invention also relates to a power converter cabinet and a method for communication within a power converter cabinet. Background technique [0002] Communication is a required and integrated part of the power converter. This type of communication needs to be stable, reliable and have relatively short delays. The control unit needs to communicate with several, even hundreds or more components / batteries / power modules. Communication units can be placed at different potentials (above several thousand volts), requiring electrical isolation between the transmitter and receiver. [0003] The traditional solution to this type of communication problem is to use fiber optics, which provide sufficiently low latency, sufficient data rates, and electrical isolation. The problem with these optics is that their performance degrades over time. Also, they require a lot of installatio...
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IPC IPC(8): H04B1/50H04B1/401H02M7/00
CPCH04B7/26H04W4/80H05K5/0017H05K9/0049
Inventor P·奥腾B·塔尔哈S·D·朗德A·瓦尔斯塔德
Owner ABB (SCHWEIZ) AG