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TSTYNICE Distribution Transformer Power Transformer 6KV 22KV 11KV 33KV 35KV

Power transformer/distribution transformer is an important equipment in the power distribution network and the power supply and distribution system of industrial and mining enterprises. The transformer designed by TSTYNICE adopts a leak-proof design, with the characteristics of low loss, low noise and high reliability. Our transformers meet the national standards of many countries such as IEC and GB. The product line covers various models from S9 to S22, with an applicable voltage range from 6kv to 35kv and a capacity from 15kva to 31500kva, meeting the needs of various scenarios.

Technical Specifications:
• Comprehensive Range: Models S9 through S22
• Voltage Coverage: 6kV to 35kV systems
• Capacity Spectrum: 15kVA to 31,500kVA configurations
• Certification Mastery: ISO 9001, IEC, SGS, Intertek, CCC, CE, BV, GOST compliant

For detailed specifications, quotations, or project consultations, please contact us:
Email: sales@tstytransformer.com
WhatsApp: +86-18001856258
Our technical team is ready to assist you — wherever your business operates.

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TSTYNICE Oil Immersed Distribution Transformer/Power Transformer Advantages

Silicon steel sheet: Use the best silicon steel sheets from Baosteel and Wuhan Iron and Steel in China, with high quality, high permeability and low loss;
Conductive rod: Highly conductive H62 material, effectively reducing heat generation and ensuring equipment stability;
Insulation system: New mineral insulating oil, enhanced insulation/extended life;
Tansformer box: Made of national standard high-quality steel plate profile, mechanical strength ≥345MPa, durable life >30 years.

油变详情页配图1

TSTYNICE Dry Type Distribution Transformer/Power Transformer Advantages

The most advanced epoxy resin casting process in China is adopted, which has good insulation performance;
The new cold-pressed oriented silicon steel sheet is used as the iron core, and the seven-step 45-degree full-bevel joint has beautiful craftsmanship, and the no-load loss is reduced by 3-5% percentage points compared with the three-step;
In the traditional dry-type transformer production, the insulating paint of the iron core is mostly black or black, while TSTYNICE uses transparent insulating paint, which can intuitively see the process and materials.
The core bending clamp is designed independently, with a simple structure, convenient manufacturing and installation, and greatly reduced operating noise.

All products carry CE/IEC/SGS/BV/GOST certifications. Our $8M R&D center develops next-gen solutions.Our distribution transformer series represents the pinnacle of power conversion technology, delivering unmatched performance, safety, and durability. Engineered for excellence, these transformers set industry benchmarks for reliability across global power applications.

Technical Parameter for S11 6kv - 11kv No-load Voltage Regulation Transformers

Rated Capacity (KVA)	Voltage Combination			Connection Group Symbol	No-load Loss R(W)	Load Loss R(W)	Impedance Voltage(%)	No-load Current (%)	LWH(mm)	Gauge Horizontal*Vertical (mm)	Active parts Weight (kg) * Oil Weight (kg)	Total Weight (kg)
Rated Capacity (KVA)	High Voltage（KV)	Tapping Range of High Voltage	Low Voltage （KV)	Connection Group Symbol	No-load Loss R(W)	Load Loss R(W)	Impedance Voltage(%)	No-load Current (%)	LWH(mm)	Gauge Horizontal*Vertical (mm)	Active parts Weight (kg) * Oil Weight (kg)	Total Weight (kg)
30	6 6.3 10 10.5 11	±5% ±2x2.5%	0.4	Dyn11 Yzn11 Yyn0	100	630/600	4	2.8	9807351145	400*400	178*78	355
50					130	910/870		2.5	10177581205	450*400	240*92	415
63					150	1090/1040		2.4	10357851285	450*400	285*105	505
80					180	1310/1250		2.2	10658001290	450*400	330*110	540
100					200	1580/1500		2.1	10728201305	450*400	345*116	590
125					240	1890/1800		2	115511051310	450*400	415*135	705
160					280	2310/2200		1.9	12358501535	550*550	485*135	835
200					340	2730/2600		1.8	12828601557	550*550	582*168	965
250					400	3200/3050		1.7	13109401605	550*550	695*210	1135
315					480	3830/3650		1.6	146511201915	660*650	855*255	1520
400					570	4520/4300		1.5	144011651725	660*650	950*295	1590
500					680	5410/5150		1.4	151012501845	660*650	1150*320	1905
630					810	6200	4.5	1.3	165011401920	660*650	1500*435	2015
800					980	7500		1.2	212511752315	820*820	1910*760	3510
1000					1150	10300		1.1	215013802570	820*820	2125*880	3850
1250					1360	12000		1	235514852570	820*820	2605*960	4610
1600					1640	14500		0.9	233517502630	820*820	3125*1150	5420
2000					1940	18300	5	0.4	194014001700	820*820	2420*780	4200
2500					2290	21200	5	0.4	205014801800	820*820	2560*780	4680

S11 20KV Oil Immersed Transformer Main Technical Parameters
Rated Capacity KVA	Voltage Combination			Connection Symbol	Off-load Loss(KW)	On-load Loss(KW) (75℃）	Short Circuit Impendan ce(%)	Impendan ce (%)	Weight(KG)		Dimensions(mm)
Rated Capacity KVA	High Voltage (KV)	Tapping Range (%)	Low Voltage (KV)	Connection Symbol	Off-load Loss(KW)	On-load Loss(KW) (75℃）	Short Circuit Impendan ce(%)	Impendan ce (%)	Oil	Total	Length	Width	Height
30	20 22 24	±5 ±2x2.5	0.23 0.38 0.4 0.44 0.48 0.6	Dyn11 Yyn0	0.1	0.66	2.1	5.5	75	350	1040	600	1040
50					0.13	0.96	2		90	445	1040	600	1085
63					0.15	1.145	1.9		100	500	1080	620	1090
80					0.18	1.37	1.8		105	535	1110	640	1110
100					0.2	1.65	1.6		120	580	1235	800	1210
125					0.24	1.98	1.5		125	660	1245	810	1220
160					0.29	2.42	1.4		130	700	1265	830	1230
200					0.33	2.86	1.3		195	835	1140	720	1330
250					0.4	3.35	1.2		410	1110	1325	850	1490
315					0.48	4.01	1.1		420	1610	1380	850	1725
400					0.57	4.73	1		430	1720	1400	885	1810
500					0.68	5.66	1		480	1940	1500	890	1850
630					0.81	6.82	0.9	6	490	2055	1645	970	1850
800					0.98	8.25	0.8		520	2600	1755	1025	1890
1000					1.15	11.33	0.7		585	2870	2270	1060	1890
1250					1.35	13.2	0.6		620	3560	2400	1120	2040
1&00					1.63	15.95	0.6		690	4260	2460	1220	2085
2000					1.95	19.14	0.6		860	5550	2480	2400	2940
2500					2.34	22.22	0.5		990	6320	2480	2620	3040

Main performance parameters 11KV voltage regulating power transformer without excitation.

Model	Rated capacity (KVA)	Connection symbol	Voltage combination (KV)			No-load loss (W)	Load loss (W)	No-load current (%)	Short circuit impedance (%)
Model	Rated capacity (KVA)	Connection symbol	High- voltage	Tapping range	Low- voltage	No-load loss (W)	Load loss (W)	No-load current (%)	Short circuit impedance (%)
SC10-30	30	Yyn0 or Dyn11	11 10.5 10 6.3 6	±5% ±2×2.5%	0.4	190	710	2.4	4.0
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	1.0
SCB10-630	630					1300	5960	1.0	6.0
SCB10-800	800					1520	6960	1.0
SCB10-1000	1000					1770	8130	1.0
SCB10-1250	1250					2090	9690	1.0
SCB10-1600	1600					2450	11730	1.0
SCB10-2000	2000					3050	14450	0.8
SCB10-2500	2500					3600	17170	0.8
SCB10-1600	1600					2450	12900	1.0	8.0
SCB10-2000	2000					3050	15890	0.8
SCB10-2500	2500					3600	18890	0.8

Main performance parameters 35KV voltage regulating power transformer without excitation.

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	Dyn11 Yd11 Yyn0	33~38.5	±5% ±2×2.5%	3.5 6 6.3 10 10.5 11	2200	9400	1.1	6.0
SC10-1000					2610	10800	1.1
SC10-1250					3060	11900	1.0
SC10-1500					3600	15400	1.0
SC10-2000					4130	18200	0.9	7.0
SC10-2500					4750	21800	0.9	7.0
SC10-3150					5880	24500	0.8	8.0
SC10-4000					6860	29400	0.8
SC10-5000					8180	34960	0.7
SC10-6300					9680	40800	0.7
SC10-8000	Dyn11 Yd11 YNd11				11000	46060	0.6	9.0
SC10-10000				6 6.3 10.5 11	12660	56500	0.6
SC10-12500					15400	64600	0.5
SC10-16000					18900	76000	0.5
SC10-20000					22400	85500	0.4	10.0

20KV Series Cast Resin Dry Type Transformer
KVA	Voltage		VECTOR	Impedance voltage	Losses(w)		No-load Current
	Voltage		GROUP	(%)	Losses(w)		(%)
	HV	LV			No-load loss	Load loss
	KV	V			No-load loss	Load loss
50	15	380	Yyn0	6	500	1500	2.8
100	20	400	Dyn11		700	2200	2.4
160	22	415	Yzn11		800	2960	1.8
200		433			980	3500	1.8
250					1100	4000	1.6
315					1310	4750	1.6
400					1530	5700	1.4
500					1800	7000	1.4
630					2070	8100	1.2
800					2400	9600	1.2
1000					2700	11000	1
1250					3150	13400	0.9
1600					3600	16300	0.9
2000					4250	19200	0.9
2500					4950	23000	0.9

35KV Oil Immersed Transformer Main Technical Parameters
Rated Capacity KVA	Voltage Combination			Connection Symbol	Off-load Loss(KW)	On-load Loss(KW) (75℃）	Impendan ce (%)	Weight(KG)		Dimensions(mm)
Rated Capacity KVA	High Voltage (KV)	Tapping Range (%)	Low Voltage(KV)	Connection Symbol	Off-load Loss(KW)	On-load Loss(KW) (75℃）	Impendan ce (%)	Oil	Total	Length	Width	Height
50	25 30 33 35	±5 ±2x2.5	0.23 0.38 0.4 0.44 0.48 0.6	Dyn11 Yyn0	0.166	1.285	6.44%	165	535	1120	670	1235
80					0.209	1.734	6.66%	195	670	1120	700	1270
100					0.244	2.138	6.39%	210	745	1120	720	1285
125					0.286	2.552	6.27%	215	790	1160	715	1330
160					0.3	3.027	6.40%	245	970	1245	785	1365
200					0.361	3.649	6.28%	360	1050	1245	795	1380
250					0.424	4.294	6.49%	285	1175	1335	880	1395
315					0.51	5.2	6.31%	310	1305	1380	920	1420
400					0.613	6.171	6.31%	355	1540	1510	1010	1455
500					0.716	7.452	6.51%	390	1760	1120	1105	1502
630					0.897	8 65	6.60%	430	2000	1120	1210	1527
800					1042	10.181	6.24%	525	2545	2080	1215	1770
1000					1.22	12.375	6.30%	600	2885	2125	1270	1850
1250					1.457	15.119	6.40%	690	3275	2150	1300	1950
1600					1.796	18.337	6.53%	840	3955	2310	1355	2070
2000					2.105	21.122	6.47%	1010	4775	2390	1395	2170
2500					2.514	25.296	6.29%	1145	5550	2515	1435	2300

S20 Oil-immersed Three-phase Double-winding No-load Voltage Regulation Power Transformers
Rated Capacity kVA	Voltage Combination			No-Load Loss kW	Load Loss(75℃) kW	Short-circuit Impedance %
Rated Capacity kVA	High Voltage（kV)	Tapping Range	Low Voltage (kV)	No-Load Loss kW	Load Loss(75℃) kW	Short-circuit Impedance %
3150	33 35 38.5	±5% ±2×2.5%	0.4	2.0	20.7	7
4000				2.3	24.6
5000				2.8	28.2
6300				3.4	31.5	8
8000				4.7	34.6
10000				5.7	40.8
12500				6.5	48.4
16000				7.9	59.2
20000				9.4	71.6
25000				11.1	84.6	10
31500				13.1	100.8	10

S22 Oil-immersed Three-phase Double-winding No-load Voltage Regulation Power Transformers
Rated Capacity kVA	Voltage Combination			No-Load Loss kW	Load Loss(75℃) kW	Short-circuit Impedance %
Rated Capacity kVA	High Voltage（kV)	Tapping Range	Low Voltage (kV)	No-Load Loss kW	Load Loss(75℃) kW	Short-circuit Impedance %
3150	33 35 38.5	±5% ±2×2.5%	0.4	1.7	20.7	7
4000				2.0	24.6
5000				2.4	28.2
6300				2.9	31.5	8
8000				4.0	34.6
10000				4.8	40.8
12500				5.5	48.4
16000				6.7	59.2
20000				7.9	71.6
25000				9.4	84.6	10
31500				11.1	100.8	10

Spanning 250,000 in Henan, our smart factory leverages 5G automation to produce 3,000+ IEC/CE-certified substations annually. With 158 patents and 99% automation, we power projects across 80+ countries.

Q: Are you a factory or trading company?

A: We are an integrated manufacturer and exporter. OEM/ODM services are supported.

Q: What are your main advantages?

A: Over 30 years of industry experience, advanced production lines, reliable quality, fast lead time, and responsive service. Free spare parts are also available for support.

Q: How fast can you deliver?

A: Delivery time depends on the order quantity. Normally 15–20 days after receiving deposit.

Q: What payment methods do you accept?

A: T/T, L/C, PayPal, Visa, Western Union — based on your order needs.

Q: Do you inspect the products before shipment?

A: Yes, we conduct 100% quality inspection before delivery.

Q: What certifications do you hold?

A: CE, SGS, ISO, IEC, GOST —all internationally recognized. We also partner with brands like DuPont, ABB, and Siemens.

Q: How can I be sure you're using quality materials?

A: We welcome material testing upon delivery. We focus on long-term partnerships, not one-time transactions.

TSTYNICE transformers hold ISO 9001, IEC 60076, CE, GOST, SGS, and BV certifications, with 158 patents (20 inventions). Our CNAS-accredited lab ensures global compliance across 80+ markets.