Box Type Substation

YBM(P) Box Type Substation

YBM(P)-12/0.4 series box-type substation combines high-voltage electrical equipment, transformers, low-voltage electrical equipment, etc. into a compact complete set of devices. 

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 power plants, mines and oil fields, and temporary construction electricity and other places are used to receive and distribute electric energy and provide low-voltage electric energy to users.

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Technical Parameters

igh voltage compartmentitemunitParameter
Rated frequencyHz50 /60 Hz
Rated VoltageKV3.3KV , 6.0KV, 6.6KV10KV 11KV 13.8KV 15KV 20KV 22kv30KV 33KV 35KV 36KV
Max service voltageKV7.2 KV12KV , 24KV40.5KV
Rated currentA400, 630, 1000, 1250 ,1600, 2000, 2150,…etc
Transfer currentA1200 -3150 A
1MIN Power frequency withstand voltage , earth -phaseKV42/48, 85/95
1MIN Power frequency withstand voltage , phase/fracture
BILKV75/85, 170/185
Rated short circuit breaking currentKA20, 31.5
Transformer compartmentRated voltageKV3.3KV , 6.0KV, 6.6KV10KV 11KV 13.8KV 15KV 20KV 22kv30KV 33KV 35KV 36KV
Rated power capacityKVA 200 KVA Upto 2.5 MVA
Tapping range%±2 X 2.5% , ±5%
Vector group Yyn0, Dyn11
Short-circuit Impedance%4.0 , 4.2, 4.5, 6, 8
Low voltage compartmentrated voltageV220, 380, 400, 415, 433, 440, 660, 690,800
main circuit rated currentA50 -4000
branch currentA5-800
Enclosureprotection level   
HV compartment IP33, IP65..
LV compartment IP33
Transformer compartment IP23
Noise leveldB≤ 50

Feature of Box Type Substation

  • Compact design: Contain more function units with less space.

  • Strong versatility for structure, flexible assembly. C type bar section of 25mm modulus can meet the demands of various structures and types, protection grades and operating environments.

  • Adopt standard module design, can be combined into protection, operation, transfer, control, regulation, measurement, indication, etc such standard units. Users can choose assembly according to requirements at will. A cabinet structure and drawer unit can be formed with more than 200 components.

  • Fine security: Adopt high-strength antifoaming type engineering plastic pack in large quantities to effectively enhance the protective safety performance.

  • High technical performance: Main parameters reach the advanced level at home.

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