Reliable 11kv Oil Cooled Transformer 300kVA for Industrial Energy Supply

• Customization: Available
• Application: Power
• Phase: Three
• Model NO.: S11
• Core: Core-type Transformer
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Multi-winding Transformer
• Certification: ISO9001
• Usage: Power Transformer, Distribution Transformer
• Frequency Characteristics: Power Frequency
• Brand: Jecsany
• OEM: According to Customer
• Transport Package: Wooden Box
• Specification: 420kgs
• Trademark: Jecsany
• Origin: China
• Production Capacity: 20000

Product Description

Reliable 11KV Oil Cooled Transformer 300KVA for Industrial Energy Supply

Product overview

The Oil Immersed Power Transformer is a highly efficient and reliable electrical transformer that uses mineral oil for insulation and cooling, widely applied in power grids, industrial, and commercial distribution systems for stable voltage conversion and energy distribution.
 

Product Description

The Oil Immersed Power Transformer is constructed with high-quality silicon steel and copper/aluminum windings, combined with mineral oil insulation and cooling technology, ensuring excellent electrical performance and long-term operational stability. It is suitable for substations, industrial plants, and renewable energy systems, maintaining high efficiency even in harsh environments.

 

Main Technical Parameters

Rated Capacity KVA	Voltage Combination			Connection Symbol	Off-load Loss(KW)	On-load Loss(KW) (75ºC)	Short Circuit Impendance(%)	Impendance (%)	Weight(KG)		Dimensions(mm)
	High Voltage (KV)	Tapping Range (%)	Low Voltage (KV)						Oil	Total	Length	Width	Height
30	20 22 24	±5 ±2×2.5	0.23 0.38 0.4 0.44 0.48 0.6	Dyn11 Yyn0	0.1	0.66	2.1	5.5	90	345	860	565	1000
50					0.13	0.96	2		105	415	895	590	1040
63					0.15	1.145	1.9		110	520	889	630	1055
80					0.18	1.37	1.8		120	530	890	690	1070
100					0.2	1.65	1.6		135	565	925	670	1090
125					0.24	1.98	1.5		130	670	1045	680	1110
160					0.29	2.42	1.4		145	680	1135	715	1140
200					0.33	2.86	1.3		160	790	1220	790	1170
250					0.4	3.35	1.2		175	895	1290	855	1200
315					0.48	4.01	1.1		220	1150	1375	910	1250
400					0.57	4.73	1		220	1225	1420	950	1260
500					0.68	5.66	1		290	1525	1540	1035	1260
630					0.81	6.82	0.9	6	335	1885	1625	1110	1340
800					0.98	8.25	0.8		430	2335	1880	1050	1360
1000					1.15	11.33	0.7		575	2610	1800	1050	1550
1250					1.35	13.2	0.6		490	2770	1825	1285	1540
1600					1.63	15.95	0.6		755	3705	1905	1340	1540
2000					1.95	19.14	0.6		910	4355	1970	1395	1640
2500					2.34	22.22	0.5		990	4865	2095	1445	1840

Product features

1. High Efficiency - Low-loss design compliant with energy efficiency standards 
2. Superior Cooling - Oil immersion ensures stable operation under prolonged high loads.
3. High Reliability - Sealed construction resists moisture and dust, enhancing lifespan.
4. Low Noise - Optimized magnetic circuit and damping structure reduce noise to ≤65dB

 The low-voltage winding of oil-immersed transformer generally adopts the cylindrical structure with copper foil around the shaft except copper wire for small capacity. The high-voltage winding adopts multi-layer cylindrical structure, so that the ampere-turns distribution of the winding is balanced, with small magnetic flux leakage, high mechanical strength and strong short-circuit resistance.

Packaging & Shipping