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YBM Box-Type Transformer


Classification:

Substation

YBM Box-Type Transformer


1. Overview

YB□-12 (ZBW-12) series prefabricated substation is a compact complete set of power distribution equipment that combines high-voltage electrical equipment, transformers, low-voltage electrical equipment, etc. It is used in urban high-rise buildings, urban and rural buildings, luxury villas, square parks, residential areas, high-tech development zones, small and medium-sized factories, mines and oil fields, and temporary construction power supply places to receive and distribute electrical energy in the distribution system.

The YB-12 series prefabricated substation produced by our company is a new product that integrates the advantages of similar products at home and abroad and is improved and enhanced. It has the characteristics of strong completeness, small size, compact structure, safe and reliable operation, convenient maintenance, and mobility. Compared with conventional civil construction substations, the floor area of ​​box-type substations with the same capacity is usually only 1/10-1/5 of that of conventional substations, which greatly reduces the design workload and construction workload, and reduces construction costs. In the power distribution system, it can be used for ring network distribution systems, dual power supply or radiation terminal distribution systems, and is a new set of equipment for the construction and transformation of urban and rural substations.

2. Main technical parameters

High voltage side rated voltage: 3, 6, 10, 20, 35kV

High voltage side maximum operating voltage: 3.6, 7.2, 12, 24, 40.5kV

Low voltage side rated voltage: 0.4kV

Rated voltage of mechanism opening and closing and auxiliary circuit: AC, 100, 220, 380V

2.2 rated current

High-voltage circuit: 10, 12.5, 20, 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200, 250, 315,  400, 630, 800, 1000, 1250A

Low voltage circuit: 40, 50, 63, 100, 200, 315, 400, 500, 630, 800, 1000, 1250, 1600, 2000, 2500, 3150, 4000A

2.3 Transformer rated capacity

50, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1000, 1250, 1600, 2000, 2500kVA 

 Note: 1600kVA and above require special non-standard design.

2.4 Rated frequency: 50Hz

2.5 Protection level of box-type transformer shell

Indoor: Each room shall not be less than IP2XDH

Outdoor: Each room shall not be lower than IP33DH

2.6 Cabinet transformer high voltage side wiring method:

Single-end power supply  Dual-end power supply  Ring network power supply

2.7 Cabinet transformer noise level

Built-in dry-type transformer ≤65dB

Built-in oil-immersed transformer ≤55dB

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