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• Customization: Available
• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
• Phase: Three
• Model NO.: S11-M type 20kV oil-immersed distribution transfor
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Two-winding Transformer
• Certification: ISO9001
• Usage: Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer
• Frequency Characteristics: High Frequency
• Shape of Core: U
• Brand: Peak Transformer
• Winding Material: Copper/Aluminum Winding
• Insulation Class: H Grade
• Insulating Material: Cast Resin
• Attachments: Cooling Fan, Housing, Temperature Control
• Core Material: Silicon Steel
• Transport Package: Wooden Box
• Specification: Silicon steel
• Trademark: Zhifeng Transformer
• Origin: China
• HS Code: 8504210000
• Production Capacity: 100 Units/Month

Product Description

About us
    Shandong Zhifeng Transformer Co., Ltd. is located in the North Rainbow Industrial Park, East Second Ring Road, Linqing City, Shandong Province, a famous canal city, with convenient transportation and beautiful environment. The company covers an area of 45,000 square meters, is a collection of 35KV and below oil-immersed transformer, dry transformer, special transformer, grounding transformer, arc suppression coil, reactor, box-type substation, American box transformer, all kinds of box production, sales, research and development in one of the professional power equipment manufacturing enterprises.

Product introduction
S11, S13 series of fully sealed oil-immersed transformers are suitable for AC 50Hz, the original working voltage 20kV and below the power system, as petroleum, metallurgy, chemical, textile, light industry and other enterprises and large dust places of the distribution transformer.
 

Characteristics of the product
Iron Core
The core is cold rolled silicon copper sheet with high permeability magnetic grain orientation. The iron core is a new type of iron core, full oblique joint stacking type iron core, the iron core column is a circular section of multi-step steps, and the iron yoke and the iron core are equal sections.

Winding
The winding adopts corrugated oil channel, no paint dipping process, and tight tape binding; The winding are concentric coils: the high voltage winding has a tap required for the tapping voltage, which is led to the tap-changer, the switch is installed on the box cover, and the power supply can be changed before the tapping voltage

Safety protection device
30~2000kVA transformer is equipped with pressure relief valve;
Gas relays with alarm and tripping terminals can be installed according to user requirements;

Oil temperature measuring device
The transformer is equipped with a glass thermometer tube base, the tube base is located on the top of the tank, and extends into the oil 120±10mm; 1000~2000KVA transformer equipped with outdoor signal thermometer;

Transformer tank
The transformer fuel tank is composed of corrugated wall, and the surface is made of dust spraying and firm paint film. The corrugated heat sink not only has the cooling function, but also has the "breathing" function. The elasticity of the ripple heat sink can compensate for the change of the transformer oil volume caused by the temperature rise. Therefore, the fully sealed transformer has no oil storage cabinet, reducing the overall height of the transformer; the transformer in the packaging of the vacuum oil filling process, completely remove the moisture in the transformer, the transformer oil does not contact with the air. Effectively prevent oxygen and moisture from invading the transformer and reduce the transformer insulation performance and transformer oil aging, so conduct oil sample test irregularly;

factory display

 

Product Specification 

Rated capacity (kVA)	Voltage combination			Join group label	No-load loss(W)	Load loss (W)	No-load current  (%)	Short circuit impedance  (%)
	high pressure (kV)	High pressure tap range(%)	Low pressure (kV)
30	11 10.5 10 6.3 6	±5±2×2.5%	0.4 0.69	Yyn0 Dyn11	100	630/600	2.3	4
50					130	910/870	2.0	4
63					150	1090/1040	1.9	4
80					180	1310/1250	1.9	4
100					200	1580/1500	1.8	4
125					240	1890/1800	1.7	4
160					280	2310/2200	1.6	4
200					340	2730/2600	1.5	4
250					400	3200/3050	1.4	4
315					480	3830/3650	1.4	4
400					570	4520/4300	1.3	4
500					680	5410/5150	1.2	4
630					810	6200	1.1	4.5
800					960	7500	1.0	4.5
1000					1150	10300	1.0	4.5
1250					1360	12000	0.9	4.5
1600					1640	14500	0.8	4.5
2000					1960	19800	0.8	5
2500					2310	23000	0.7	5

Rated capacity (kVA)	Voltage combination			Join group label	No-load loss(W)	Load loss (W)	No-load current  (%)	Short circuit impedance  (%)
	high pressure (kV)	High pressure tap range(%)	Low pressure (kV)
50	20 22 24	±5±2×2.5%	0.4	Dyn11 Yyn0	170	1270/1210	2.00	6.5
100					230	2120/2020	1.80	6.5
125					270	2500/2380	1.70	6.5
160					290	2970/2830	1.60	6.5
200					340	3500/3330	1.50	6.5
250					410	4160/3960	1.40	6.5
315					490	5010/4770	1.40	6.5
400					580	6050/5760	1.30	6.5
500					690	7280/6930	1.20	6.5
630					830	8280	1.10	6.5
800					980	9900	1.00	6.5
1000					1150	12150	1.00	6.5
1250					1410	14670	0.90	6.5
1600					1700	17550	0.80	6.5

Note: 1,The load loss above the slash line in the table applies to the Dynl1 connection group, and the load loss value below the slash line applies to the Yyn0 connection group.
2,other capacity of the product performance parameters, determined by the user and the manufacturer.


Product Structure

Packaging and transportation

Certification certificate


Frequently asked question

Q: Are you a manufacturer, factory or trading company?
A: Yes, we have been engaged in the development, production and operation of transformers for more than 15 years.

Q: What is your warranty?
A: We offer a 12-month warranty.

Q: Production time?
A: 30 to 45 days or depending on order requirements.

Q: What are your payment terms?
A: T/T, L/C or negotiation.

Q: How does your factory conduct quality control?
A: We carry out 100% QC inspection to ensure that every product is qualified. From raw material to final product manufacturing process, we have more than 10 QC inspections.

Q: Do you have any products in stock?
A: Not normally. All our products are manufactured according to your order quantity.


Q: What does a custom transformer need to provide?
A: Technical drawings and technical specification documents are best, or you can tell us some detailed technical specification dates below "Quote and order required information".

Q: Can I have a catalogue and price list for my MOQ trial order?
A: All of our products are made in China or displayed on the official website, you are always welcome to ask us directly for more information.