YB-40.5 Modular Substation
Still deciding? Get a sample first—contact us!
Category:
Keywords:
High-Voltage Switchgear
Box-type substation
- Product Description
-
Product Overview
The YB-40.5 modular substation is a 40.5kV primary voltage and 12kV (7.2) secondary voltage, three-phase AC 50Hz outdoor complete equipment system. It is ideally suited for use in urban areas, towns, factories, oil fields, and even large-scale construction sites—serving as a solution for receiving, transforming, and distributing electrical energy. This system boasts features such as high integration, compact footprint, easy installation and operation, cost-effectiveness, advanced levels of comprehensive automation, and reliable, safe operation.
Meaning of the Model
Structural Features
The substation adopts an overall "H"-shaped layout, comprising a 35kV switchgear room, a 10kV switchgear room, an automatic control room, and transformer bays. The control room is integrated into a single enclosure, either combined with the 35kV or 10kV switchgear room depending on site conditions, while the other switchgear room is housed in a separate enclosure. The transformers are located outdoors, carefully shielded and separated to create a dedicated transformer installation area. Connection between the transformers and the two switchgear units is established via overhead busbars or cable lines.
The cabinet body is typically constructed from high-quality steel sheets, which undergo surface anti-corrosion and coating treatments. Insulation material is added in the middle to ensure the temperature-control system inside the cabinet operates efficiently. Alternatively, the cabinet material can also be made from anodized aluminum alloy panels or composite color-steel panels.
Technical specifications
Project Unit Data Rated Voltage kV 40.5 Rated Insulation Level 1-minute power frequency withstand voltage (RMS) kV 95 Rated Lightning Impulse Withstand Voltage (RMS) kV 185 Rated current A 1250 1600 Rated frequency Hz 50 Rated Short-Time Withstand Current kA 25 31.5 Rated Peak Withstand Current kA 63 80 Rated Short-Circuit Interrupting Current kA 25 31.5 Rated Short-Circuit Making Current (Peak) kA 63 80 Rated short-circuit duration s 4 Rated Operating Sequence O-0.3s CO-180s-CO Breaker operating time Ms. <80 Rated short-circuit breaking current – Number of breaking operations Time 20 Rated capacitor bank interrupting current A 630 Mechanical Life Time 10000 Rated Operating Voltage V DC110/AC110, DC220/AC220 
Recommended Products
Consult now
Enter your contact information, and we’ll reach out to you as soon as possible.