SC(B)13 (10 kV) Series Three-Phase Resin-Insulated Dry-Type Distribution Transformer

The SC(B)11-13 series epoxy‑cast, no‑excitation voltage‑regulating dry‑type transformer utilizes F‑class or H‑class epoxy resin compounds with fillers. After vacuum degassing via a thin‑film process, the windings are cast in thin layers under vacuum and pressure, with both inner and outer surfaces reinforced by glass‑fiber forming meshes. The result is a dry‑type transformer boasting exceptionally high mechanical strength, electrical insulation performance, and thermal resistance. It is an excellent choice for urban grid upgrades and particularly well suited for critical applications—such as high‑rise buildings, airports, power stations, and commercial centers—that demand fire‑proof, explosion‑proof, and moisture‑resistant operation. Product Features: 1. Flame‑retardant, explosion‑proof, pollution‑free, maintenance‑free, and capable of decentralized installation at load centers, reducing capital costs and saving expenses. 2. Low losses and excellent energy‑saving performance, delivering significant operational cost savings. 3. Partial discharge levels below 10 pC; the windings resist moisture absorption and dust accumulation, while exhibiting high mechanical strength and superior reliability, further reducing costs. 4. Strong short‑circuit withstand capability and excellent lightning‑impulse resistance. 5. Housing options include stainless steel, cold‑rolled sheet, and aluminum alloy; available configurations comprise forced‑air cooling and natural heat dissipation types, with cable entries and exits configurable as top‑in/top‑out, bottom‑in/top‑out, or bottom‑in/bottom‑out. 6. Transformers can be equipped, per customer requirements, with temperature control and display systems, which can be integrated with external temperature‑control units. Ordering Notes: When placing your order, please provide the following parameters: 1. Product model number 2. Rated capacity 3. Voltage configuration 4. Voltage regulation range 5. Operating frequency 6. Transformer connection group designation 7. Short‑circuit impedance 8. Any special technical requirements.

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Dry-type transformer series

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Product Description

The SC(B)11‑13 series epoxy‑cast, non‑excited voltage‑regulating dry‑type transformers are manufactured using F‑class or H‑class epoxy resin compounds with fillers. After vacuum degassing via a thin‑film process, the windings—both high‑ and low‑voltage—are cast in thin layers under vacuum and pressure, with their inner and outer surfaces reinforced by glass‑fiber forming meshes. The result is a dry‑type transformer boasting exceptionally high mechanical strength, electrical insulation performance, and thermal resistance. It is an excellent solution for urban grid modernization and is particularly well suited to critical applications—such as high‑rise buildings, airports, power stations, and commercial centers—that demand fire‑proof, explosion‑proof, and moisture‑resistant operation.
　Product Features
　　1. Flame-retardant, explosion-proof, pollution-free, maintenance-free, and capable of decentralized installation at the load center, thereby reducing capital investment and lowering costs.
　　2. Low losses and excellent energy-saving performance deliver significant operational cost savings.
　　3. Partial discharge level is less than 10 pC; the coil is non-hygroscopic and dust‑resistant, with high mechanical strength and excellent reliability, resulting in cost savings.
　　4. Excellent short-circuit resistance and superior lightning‑impulse withstand capability.
　　5. The enclosure is available in three materials—stainless steel, cold-rolled sheet, and aluminum alloy—and comes in two configurations: forced‑air cooling and natural heat dissipation. Cable entry and exit can be configured as top‑in/top‑out, bottom‑in/top‑out, or bottom‑in/bottom‑out.
　　6. The transformer can be equipped with a temperature control and display system upon customer request, and it can be used in conjunction with a temperature control system.
Ordering Instructions
　　 When placing your order, please provide the following parameters:
　　1. Product Model
　　2. Rated Capacity
　　3. Voltage Combination
　　4. Scope of Adjustment
　　5. Frequency
　　6. Connection Group Designation
　　7. Short-circuit impedance
　　8. For products with special requirements, specify the technical specifications.

Technical Data Sheet for SC(B)13 Series 10 kV Three-Phase Resin-Insulated Dry-Type Distribution Transformers

Rated	Rated voltage		Connection	No-load current (%)	No-load loss (W)	Load Loss (W) (75°C)	Impedance Voltage (%)

Capacity			Group

(kVA)	High voltage (kV)	Low voltage (kV)
30	6	0.4	Yyn0	2	135	640	4
50				2	195	900
	±2×2.5%		Dyn11
						870
80	or			1.5	265	1240
100				1.5	290	1410
125	6.3			1.3	340	1660
160				1.3	385	1910
200	±2×2.5%			1.1	445	2270
250				1.1	515	2480
315	or 10			1	635	3120
400				1	705	3590
500	±2×2.5%			1	835	4390
630				0.85	965	5290
630				0.85	935	5360	6
800				0.85	1090	6260
1000				0.85	1270	7310
1250				0.85	1500	8720
1600				0.85	1760	10500
2000				0.7	2190	13000
2500				0.7	2590	15400
1600				0.85	1760	11600	8
2000				0.7	2190	14300
2500				0.7	2590	17000