1000kVA Transformer Step up Transformer S11 Series Oil Immersed Transformer

Product Description

Product Description The S11/13-M series fully sealed oil immersed power transformers developed and produced by our company have the advantages of low loss, low noise, and high efficiency, which can achieve good energy-saving effects and reduce pollution. Compared with ordinary oil immersed transformers, fully sealed transformers eliminate oil storage tanks, and the change in oil volume is automatically adjusted and compensated by the elasticity of the corrugated sheets in the corrugated oil tank. The transformer is isolated from air to prevent and slow down oil degradation and insulation aging, enhance operational reliability, and operate normally without maintenance.
Product Features
1. The transformer iron core is made of imported high-quality cold-rolled silicon steel sheets stacked together, greatly reducing no-load losses and no-load currents. The iron core is tied to ensure its compactness and reduce noise.
2. The high and low voltage windings are made of oxygen free copper. For low voltage windings of 500kVA and below, a double-layer cylindrical structure is used. For windings of 630kVA and above, foil coils are used. For high voltage windings, a multi-layer cylindrical structure is used.
3. The transformer connection group adopts Dyn11 to reduce the impact of harmonics on the power grid and improve the quality of power supply.
4. The transformer is a fully sealed structure, which extends its service life, eliminates the need for lifting and maintenance.
5. The measured noise level is lower than the standard.
After normal transportation, this series of transformers can be installed with relevant components without the need for core inspection. After passing the acceptance test, they can be put into operation.
Usage conditions
1. Maximum ambient temperature:+40 ºC
2. Minimum ambient temperature: -25 ºC
Altitude:<1000m3
A. Maximum monthly average relative humidity: 90% (20 ºC) 5. Installation location: Installed in a place without fire, explosion hazard, serious pollution, chemical corrosion, and severe vibration, indoors or outdoors.
Execution standards
GB 1094.1 Power Transformers
GBTT 15164 Load Guide for Oil immersed Power Transformers
GB/T 6451 Technical Parameters and Requirements for Three phase Oil immersed Power Transformers
GB 2536 Transformer Oil
JB/T 3837 Method for Model Designation of Transformer Products
JB/T 501 Test Guidelines for Power Transformers
GB1094.3 Insulation level and insulation test of power transformers - Air gap for external insulation
DL/T572
Transformer Operation Regulations
The above standards shall be subject to the latest release; Other requirements of the equipment should be based on the latest national or professional standards.
If you have a demand for transformers with a capacity exceeding 2500kVA or customized requirements, please feel free to contact me.

Main product performance parameters of S11 10KV double winding series
Model	Rated capacity	Connection symbol	Voltage combination(KV)			No load loss	Load loss(W)	No load current(%)	Short circuit impedance(%)
	(KV		High voltage	tap range	Low voltage	(W)
S11-M-30	30	Yyn0 / Dyn11	6 6.3 10 10.5 11	±5% / ±2×2.5%	0.4	100	630/600	1.5	4.0
S11-M-50	50					130	910/870	1.3	4.0
S11-M-63	63					150	1090/1040	1.2	4.0
S11-M-80	80					180	1310/1250	1.2	4.0
S11-M-100	100					200	1580/1500	1.1	4.0
S11-M-125	125					240	1890/1800	1.1	4.0
S11-M-160	160					280	2310/2200	1.0	4.0
S11-M-200	200					340	2730/2600	1.0	4.0
S11-M-250	250					400	3200/3050	0.9	4.0
S11-M-315	315					480	3830/3650	0.9	4.0
S11-M-400	400					570	4520/4300	0.8	4.0
S11-M-500	500					680	5410/5150	0.8	4.0
S11-M-630	630					810	6200	0.6	4.5
S11-M-800	800					980	7500	0.6	4.5
S11-M-1000	1000					1150	10300	0.6	4.5
S11-M-1250	1250					1360	12000	0.5	4.5
S11-M-1600	1600					1640	14500	0.5	4.5
S11-M-2000	2000					1940	18300	0.4	5.0
S11-M-2500	2500					2290	21200	0.4	5.0

Insulation level
Voltage level kV	Maximum operating voltage of kV	Rated short-time power frequency withstand voltage kV(Effective value)/1min	Rated lightning impulse withstand voltage kV (peak)
			full wave	Truncated wave
0.4	0.46	5	75	85
10	12	35
20	23	55	125	140

Company Profile
FAQ

Q: Are you a Manufacturer, factory or Trading company ?
A: Yes, We are engaging in the research and development, production and operation of transformer for over 10 years.
Q: What's your warranty terms?
A: We offer 12 months warranty time.
Q: Production Time?
A: In general, it take 4~6weeks and it depend on the different style.
Q: What's your payment terms?
A: Pay by T/T and L/C is acceptable.
Q: How do you conduct quality control in your factory?
A: We implement 100% QC inspection to ensure every product is qualified. We have over 10 times QC inspections during the manufacturing process from raw material to the final products.Each of our unit has 3C certificate. If you need any other Certificate, we can help you to apply it.
Q: Do you have the products in stock?
A: Normally no. All our products produce depending to your order quantity.
Q: What should provide to make custom transformer ?
A: Technical drawing and technical specification document are the best, or you can tell us some details technical specification date as below "Quotation and Ordering Required Information".
Q: Could I have your catalog and price list for trial order in MOQ quantity?
A: All of our products are showing on Made-in-China or official website, you are always welcome to ask us to get more information directly.

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