S11-M Type 20-10kv Dual Winding off-Circuit-Tap-Changing Power Transformer

• Application: Power, Electronic
• Phase: Three
• Core: Shell-type Transformer
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Two-winding Transformer
• Certification: ISO9001-2000
• Model NO.: S11-M20-10kV
• Usage: Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer
• Frequency Characteristics: High Frequency
• Shape of Core: Ring
• Application000: Substation Industrial /Distribution Networks
• Transport Package: Wooden Case
• Trademark: HONLE
• Origin: Zehjiang, China
• HS Code: 853720900
• Production Capacity: 5000PCS

Product Description

RELIABLE STRUCTURE
Special training of external construction

Reliable structure our company has made many improvements based on the traditional structure and mature technology

---Spiral coil with longitudinal oil duct for better internal heat dissipation

---Improved coil end face effective support, anti-short-circuit current ability is stronger!

---New hoisting structure and body positioning structure are adopted to ensure more reliability in long-distance transportation and operation.

--We also have many unique and reliable structures to serve you;

---The use of a higher level of performance transformer, will have a higher level of technical content.

Quality materials

---Selection of lower resistivity oxygen-free copper wire, and after a series of additional surface treatment, more smooth, no burr sharp angle, so that change

---The load loss of the transformer is lower and the electrical performance is more reliable.

---Selection of high-quality silicon steel sheet, with the improvement of performance level, the silicon steel sheet with lower unit loss is adopted to make the transformer no-load loss lower.

---Selection of high-quality laminated wood insulation, never cracking, even under the action of short-circuit current, also motionless.

---Selection of transformer oil after deep filtration, lower water, gas, impurity level, transformer work more reliable.

---Selection of high-quality rubber sealing materials, effective anti-aging, eliminate leakage.

---All raw materials are subject to strict quality inspection, important parts of the outsourcing units have passed ISO 9001 quality assurance system certification.

Good technical and economic performance

S 11 series products in the s 9 series technology, the average no-load loss reduced by 31% ; no-load current than s 9 decreased by 75-90%;

The average temperature rise is reduced by 10k, the service life of the product is more than doubled, and it can run for a long time even under the condition of 20% overload.
Product operating noise reduced by an average of 3-5 decibels.

Fully sealed (M )

Compared with the ordinary oil-immersed transformer, the full-sealed distribution transformer cancels the oil storage tank, and the wave fin of the oil tank replaces the oil pipe as the cooling element. Corrugated oil tank is made of high-quality cold-rolled sheet in a special production line; the wave fin can expand and contract with the volume of transformer oil, so that the transformer is isolated from the atmosphere, prevent and slow down oil deterioration and insulation dampness, enhance operation reliability, normal operation and maintenance-free. The surface of corrugated oil tank is coated with three anti-paint after degreasing, rust removing and phosphating, which is suitable for use in metallurgy, petrochemical, mine and other environments.

Main technical parameters

Rated capacity	Installation dimention(mm)
(kVA)	L	W	H	C1	C2
30	980	870	1230	550	550
50	1010	900	1280	550	550
63	1030	920	1310	550	550
80	1050	930	1370	550	550
100	1070	970	1420	550	550
125	1090	990	1430	550	550
160	1130	990	1470	660	660
200	1150	1010	1520	660	660
250	1200	1080	1570	660	660
315	1210	1100	1620	660	660
400	1420	900	1730	660	660
500	1450	920	1790	820	820
630	1550	1000	1950	820	820
800	1700	1040	1990	820	820
1000	1780	1130	2050	820	820
1250	1880	1230	2100	820	820
1600	2040	1380	2260	820	820
2000	2350	1180	2600	1070	1070
2500	2450	1220	2720	1070	1070

RAated capacity	Voltage combination			connection group	loss(W)		No-load current	Short-circuit impedance	Weight(kg )
(kVA)	HV(kV)	Hogh voltage tapping range	LV(kV)	Symbol	No-load	On-load	(% )	(% )	oil weight	Gross weight
30	20/10	±5x25% ±2x25%	0.4	Dyn11	0.09	0.66	0.2	5.5	260	640
50					0.13	0.96	0.2		280	720
63					0.15	1.145	1.9		290	760
80					0.18	1.37	1.8		310	830
100					0.2	1.65	1.6		330	920
125					0.24	1.98	1.5		340	990
160					0.29	2.42	1.4		360	1090
200					0.33	2.86	1.3		390	1230
250					0.4	3.35	1.2		430	1380
315					0.48	4.01	1.1		470	1610
400					0.57	4.73	1.0		500	1740
500					0.68	5.66	1.0		540	1960
630					0.81	6.82	0.9	6.0	660	2500
800					0.98	8.25	0.8		740	2900
1000					1.15	11.33	0.7		820	3310
1250					1.35	13.2	0.7		890	3780
1600					1.63	15.95	0.6		1000	4500
2000					1.95	19.14	0.6		1060	5180
2500					2.34	22.22	0.5		1130	5850

 

 

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