High and low voltage prefabricated substations (for tunnel boring machines)

Abstract

1. The name of the design product: high and low voltage pre-installed substation (for shield machine). 2. The use of the design product: a special power distribution cabinet designed for shield machine, which includes high voltage, transformer and low voltage three parts, among which the high voltage includes 12KV / 24KV system and the low voltage includes 400V / 690V system, which can be compatible with TN and low voltage system. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view 1. 5. The submitted view can clearly express, and the elevation view is omitted.

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