American-style Prefabricated Box-Type Substation

Deyan Electric is a professional supplier with rich manufacturing experience in industrial electrical appliances. The American-style prefabricated box-type substation is a compact, fully integrated solution for 10kV-35kV power distribution. It features a tamper-proof, weatherproof steel enclosure with a classic aesthetic design. This "plug-and-play" unit combines a high-voltage ring main unit, a low-loss transformer, and low-voltage switchgear into a single, robust system. It ensures reliable performance, easy installation, and is ideal for public spaces, residential areas, and industrial applications.

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Product Description

The American-style prefabricated box-type substation incorporates advanced international technology while being tailored to domestic conditions. The American-style prefabricated box-type substation features a compact design, easy installation and maintenance, low noise, low losses, anti-theft protection, strong overload capacity, and comprehensive safeguards. It is suitable for new residential areas, green belts, parks, stations, hotels, construction sites, airports, and similar

Product Parameter ( Specification )

Serial Number	Name	Unit	Technical Specifications
1	Rated voltage	kv	10/0.4 (High Pressure/Low Pressure)
2	Maximum operating voltage	kv	12 (High-voltage side)
3	Rated frequency	Hz	50
4	Rated capacity	KVA	50-1600
5	1-minute power frequency withstand voltage	KV	35
6	Lightning impulse voltage	KV	75
7	Cooling method		Oil-immersed self-cooling
8	High-voltage backup fuse breaking current	kA	50
9	Insertion fuse breaking current	KA	2.5
10	Ambient temperature	℃	-35-+40
11	Allowed temperature rise of the coil	k	65
12	No-load voltage regulation		±5% or ±2 × 2.5%
13	Noise Level	dB	50
14	Protection Rating		IP43

Transformer Technical Specifications Table

Featuring the new S9 series transformer core, which offers low losses, excellent overload capacity, and strong short-circuit resistance. All fasteners are treated with anti-loosening measures, eliminating the need for core lifting. Alternatively, the superior S10 series and S11 series transformers are also available.

Capacity kVA	Voltage kV		Connection Group Designation	No-load current %			No-load current %			Impedance Voltage %	S9	S10	S11
Capacity kVA	High pressure	Low pressure	Connection Group Designation	S9	S10	S11	S9	S9	S11	Impedance Voltage %	S9	S10	S11
50	10±5% or ±2×2.5%	0.4	Dyn11or Yyn0	2.0	1.9	0.75	0.17	0.15	0.12		0.87	0.83	0.87
63				1.9	1.8	0.7	0.2	0.18	0.14		1.04	0.99	1.04
80				1.9	1.7	0.7	0.25	0.22	0.175		1.25	1.2	1.25
100				1.8	1.55	0.65	0.29	0.26	0.2		1.5	1.42	1.5
125				1.7	1.45	0.65	0.34	0.3	0.235	4.0	1.8	1.72	1.8
160				1.6	1.3	0.6	0.4	0.36	0.27		2.2	2.12	2.2
200				1.5	1.2	0.55	0.48	0.43	0.33		2.6	2.5	2.6
250				1.4	1.1	0.5	0.56	0.5	0.39		3.05	2.9	3.05
315				1.4	1.0	0.45	0.67	0.29	0.465		3.65	3.45	3.65
400				1.3	1.0	0.4	0.8	0.71	0.56		4.3	4.15	4.3
500				1.2	1.0	0.4	0.96	0.85	0.67		5.15	4.82	5.15
630				1.1	0.8	0.4	1.2	1.6	0.81		6.2	5.86	6.2
800				1.0	0.7	0.35	1.4	1.23	0.98		7.5	7.2	7.5
1000				1.0	0.6	0.3	1.7	1.5	1.15	4.5	10.3	9.8	10.3
250				0.9	0.6	0.27	1.95	1.72	1.36		12.0	12.2	12.0

Product Feature And Application

Integrated & Compact Design

Oil-Immersed Transformer Core

High Safety & Tamper-Resistance

Pre-Tested for Reliability

Flexible Installation & Grounding

Application Sites

◇ Compact secondary substations

◇ Small industrial and mining enterprises

◇ Wind power plants

◇ Hotels, shopping malls, office buildings, commercial centers, etc.

◇ C- Load switch unit

◇ D-Direct cable connection unit

◇ De- Direct cable connection unit with grounding switch

◇ F- Load switch-fuse combination unit

◇ V- Vacuum circuit breaker unit

American-style Prefabricated Box-Type Substation

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Contact Info

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Address

No.60, Binhai South Second Road, Economic Development Zone, Yueqing City, Zhejiang Province, China
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Tel

+86-15088597733
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Email

sales@deyanele.com

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