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Dry-Type Power Transformer

Dry type transformer uses air as a cooling medium instead of insulating oil. It is designed with epoxy resin or cast resin to encapsulate the windings, providing insulation and protection. Dry-type transformers are often preferred in indoor installations or locations where the use of oil-filled transformers is not suitable due to safety or environmental reasons. They are known for being more environmentally friendly, requiring less maintenance, and offering a higher level of safety compared to oil-filled transformers.

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Introduction of Dry Type Transformer

The structure of a dry-type transformer offers several advantages. Firstly, it prioritizes safety by eliminating the risk of oil leaks and fires, making it suitable for indoor installations. Additionally, its environmentally friendly design reduces the risk of environmental contamination in case of leaks or spills. With minimal maintenance requirements compared to oil-filled transformers, dry-type transformers are cost-effective and efficient. Their compact and self-contained design allows for versatile installation in various indoor environments without the need for additional infrastructure. Moreover, the resin insulation enhances fire resistance, providing an added layer of safety in critical applications. Overall, dry-type transformers are known for their high efficiency, reliability in energy transfer, and cost savings over time.

Dry Type Pad Mounted Transformer is a highly efficient, reliable, and safe solution for electrical power distribution in both residential and commercial settings. Designed for outdoor use, this transformer is mounted on a concrete pad, making it ideal for areas where space is limited or for installations in urban environments. Unlike traditional oil-filled transformers, the dry type transformer uses air or resin for insulation, eliminating the risk of leaks and reducing the environmental impact.

Featuring a robust and compact design, the Dry Type Pad Mounted Transformer is built to withstand harsh weather conditions and provide reliable service over extended periods. It is particularly favored for applications that require low maintenance, as it operates without the need for regular oil checks or monitoring. The transformer is also equipped with advanced safety features, including temperature monitoring and overload protection, ensuring optimal performance and preventing potential hazards.

With its environmental benefits, ease of installation, and superior safety features, the Dry Type Pad Mounted Transformer is an excellent choice for both utility companies and industries looking for a sustainable and cost-effective power distribution solution. Its versatility and performance make it a critical component for modern electrical infrastructure.

Product Parameter

Rated Capacity(KVA)	No Load Loss(W)	Load Loss(W)			Impedance (%)	Vector Group	Extend Connection
Rated Capacity(KVA)	No Load Loss(W)	B(100)	F(120)	H(145)	Impedance (%)	Vector Group	Extend Connection
30	190	670	710	760	4.0	Yyn0 or Dyn11	±5% ±2*2.5%
50	270	940	1000	1070
80	370	1290	1380	1480
100	400	1480	1570	1690
125	470	1740	1850	1980
160	540	2000	2130	2280
200	620	2370	2530	2710
250	720	2590	2760	2960
315	880	3270	3470	3730
400	980	3750	3990	4280
500	1160	4590	4880	5230
630	1340	5530	5880	6290
630	1300	5610	5960	6400	6.0
800	1520	6550	6960	7460
1000	1770	7650	8130	8760
1250	2090	9100	9690	10300
1600	2450	11000	11700	12500
2000	3050	13600	14400	15500
2500	3600	16100	17100	18400

SC (B) 10 15~22KV voltage regulating power transformer without excitation Spec
Model	Rated capacity (KVA)	Connection symbol	Voltage combination (KV)			No-load loss (W)	Load loss (W)	No-load curent (%)	Short circuit impedance(%) impedance
Model	Rated capacity (KVA)	Connection symbol	High- voltage	Tapping range	Low- voltage	No-load loss (W)	Load loss (W)	No-load curent (%)	6
SC10-50	50	Yyno or Dynl1	15 20 22	士5% 士2×2.5%	0.4	345	1180	2.4
SC10-100	100					545	1910	2.2
SC10-160	160					682	2780	1.8
SC10-200	200					745	2820	1.8
SC10-250	250					855	3280	1.6
SC10-315	315					980	3910	1.6
SC10-400	400					1165	4640	1.4
SC10-500	500					1365	5550	1.4
SC10-630	630					1545	6550	1.2
SC10-800	800					1775	7910	1.2
SC10-1000	1000					2090	9370	1
SC10-1250	1250					2410	11050	1
SC10-1600	1600					2820	13300	1
SC10-2000	2000					3280	15690	0.8
SC10-2500	2500					3910	18550	0.8

SC (B)10 35KV voltage regulating power transformer without excitation Spec
Model	Connection symbol	Voltage combination (KV)			No-load loss (W)	Load loss (W)	No-load current (%)	Short circuit impedance (%)
Model	Connection symbol	High- voltage	Tapping range	Low- voltage	No-load loss (W)	Load loss (W)	No-load current (%)	Short circuit impedance (%)
SC10-800	Dynll Yd11 Yyno Ydll YynO	33~38.5	±5% ±2×2.5%	3.5	2200	9400	1.1	6
SC10-1000				6	2610	10800	1.1
SC10-1250				6.3	3060	11900	1
SC10-1500				10	3600	15400	1
SC10-2000				10.5	4130	18200	0.9	7
SC10-2500				11	4750	21800	0.9	7
SC10-3150					5880	24500	0.8	8
SC10-4000					6860	29400	0.8
SC10-5000					8180	34960	0.7
SC10-6300					9680	40800	0.7
SC10-8000	Dyn11 Ydl1 YNd11				11000	46060	0.6	9
SC10-10000				6	12660	56500	0.6
SC10-12500				6.3	15400	64600	0.5
SC10-16000				10.5	18900	76000	0.5
SC10-20000				11	22400	85500	0.4	10

SC (B) 10 11KV voltage regulating power transformer without excitation Spec
Model	Rated capacity (KVA)	Conmection symbol		Voltage combination (KV)		No-load loss (W)	Load loss (W)	(%)	No-load current Short circuit impedance (%)
Model	Rated capacity (KVA)	Conmection symbol	High- voltage	Tapping range	Low. voltage	No-load loss (W)	Load loss (W)	(%)	No-load current Short circuit impedance (%)
SC10-30	30	YyuO or Dyul1	11 10.5 10 6.3 6	m5% m2×2.5%	0.4	190	710	2.4	4
SC10-50	50					270	1000	2.4
SC10-80	80					370	1380	1.8
SC10-100	100					400	1570	1.8
SC10-125	125					470	1850	1.6
SCB10-160	160					550	2130	1.6
SCB10-200	200					630	2530	1.4
SCB10-250	250					720	2760	1.4
SCB10-315	315					880	3470	1.2
SCB10-400	400					980	3990	1.2
SCB10-500	500					1160	4880	1.2
SCB10-630	630					1350	5880	1
SCB10-630	630					1300	5960	1	6
SCB10-800	800					1520	6960	1
SCB10-1000	1000					1770	8130	1
SCB10-1250	1250					2090	9690	1
SCB10-1600	1600					2450	11730	1
SCB10-2000	2000					3050	14450	0.8
SCB10-2500	2500					3600	17170	0.8
SCB10-1600	1600					2450	12900	1	8
SCB10-2000	2000					3050	15890	0.8
SCB10-2000	2500					3600	18890	0.8

SG (B) 10 series non-encapsulated H class dry type transformer spec
Model	Vector Group	no-load loss(W)	load loss(W)	impedance(%)	no-load current(%)
SG10-30/10	Yyn0 OR Dyn11	190	760	4	2
SG10-50/10		270	1070		2
SG10-80/10		370	1480		1.5
SG10-100/10		400	1690		1.5
SG10-125/10		470	1980		1.3
SG10-160/10		540	2280		1.3
SG10-200/10		620	2710		1.1
SG10-250/10		720	2960		1.1
SG10-315/10		880	3730		1.0
SG10-400/10		980	4280		1.0
SG10-500/10		1160	5230		1.0
SG10-630/10		1343	6290		0.85
SG10-800/10		1520	7460		0.85
SG10-1000/10		1770	8760		0.85
SG10-1250/10		2090	10300		0.85
SG10-1600/10		2450	12500	6	0.85
SG10-2000/10		3050	15500		0.7
SG10-2500/10		3600	18400		0.7

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Key words:

Dry Type Transformer

SCB dry-type power transformer

10KV

11KV

35KV

22KV

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10/11kV dry-type distribution transformer

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10/11kV dry-type distribution transformer

Product Classification

Oil-lmmersed Power Transformer

Dry-Type Power Transformer

High And Low Voltage Switchgears

Other Products

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