Three Phase High Current Transformer Electric Furnace Electroplating and Electrolysis Furnace Transformersilicon Molybdenum Rodglass Furnace Heating Transformer

• Customization: Available
• Application: Power, Electronic, Instrument, Lighting, Rectifier
• Phase: Three
• Model NO.: SG
• Core: Core-type Transformer
• Cooling Method: Dry-type Transformer
• Winding Type: Two-winding Transformer
• Certification: SGS
• Usage: Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer
• Frequency Characteristics: Power Frequency
• Shape of Core: Ring
• Brand: Ville
• Dry: Resin
• Insulation Material: F Grade
• Cooling: Af and an
• Transport Package: Wooden Case or as Per Requirement
• Specification: ISO 9001: 2000
• Trademark: VILLE
• Origin: China
• HS Code: 85
• Production Capacity: 50, 000 Set/Year
• Package Size: 100.00cm * 100.00cm * 100.00cm
• Package Gross Weight: 200.000kg

Product Description

Heating electric furnace transformer, high current transformer, nitrate furnace dry transformer, rapid quenching transformer Dry type

By the strict control of material, optimized design, reasonable processing, Three
phase opening type transformer passed CTQC (certificate test of quality control) by State Transformer Quality
Supervision& Inspection Center. To get reasonable structure and artistic appearance, NOMEX paper from
DVPONT Co. And advanced VPI (vacuum pressure impregnation) technology are both used for the products.

It owns the advantage such as weatherproof, no pollution, safe operation under high temperature, low partial
charge and noise, ideal dissipation of heat, higher capability of overload. It is the new generation of dry
transformer for the environmental protection. It is applicable to load center where requires more in fireproofing
and security, such as airport, metro, power plant, metallurgy plant, hospital, high building, shopping center,
residential area, etc.
Dry type transformers are widely used in local lighting, high-rise buildings, airports, docks, CNC mechanical
equipment, and other places. Simply put, dry type transformers refer to transformers whose iron cores and
windings are not immersed in insulating oil.
The cooling methods are divided into natural air cooling (AN) and forced air cooling (AF). During natural air
cooling, the transformer can operate continuously for a long time at its rated capacity. When forced air cooling is
applied, the output capacity of the transformer can be increased by 50%. Suitable for intermittent overload
operation or emergency accident overload operation; Due to the significant increase in load loss and impedance
voltage during overload, it should not be operated continuously for a long time in a non economic state.

Immersion type dry-type transformers are usually made by impregnating the winding with high-temperature
resistant insulation paint and heating and drying it. According to the needs, different heat-resistant insulation
materials can be selected to be made into B-grade, E-grade, F-grade, H-grade, etc. For example, using NOMEX
insulation material from DuPont in the United States as turn insulation (imported American technology, the coil
surface is generally white), Open type dry-type transformers using VPI (vacuum, pressure impregnation)
insulation treatment process or using glass fiber wrapped wire as turn insulation (imported from Germany, with
darker coil surface color)., The latter adopts VI (vacuum impregnation - no pressure process) insulation
treatment process.

Feature:
1. Environmental protection:
High quality H grade insulation material is used the product, there is no emission of hazardous gases under
high temperature.
Owing to the opening winding, it is convenient to take copper back for recycling after the service life.
2. Reliable insulation system:
NOMEX paper and ET-90 series H grade resin is chosen as basic insulation system, optimized design makes
insulation system 180 degrees centigrade - 220 degrees centigrade, which is safe, steady and reliable under
high temperature.
3. Advanced processing technology:
Adopting VPI technology and curing process under the high temperature, the lacquer film is bright and even, no
cracking, the partial discharge is less than 5PC, with low noise.
4. Overload capacity:
H grade Nomex paper is used for insulation of winding in opening structure. Its dissipation of heat is faster and
temperature rise is even, which shows higher overload capability.
5. Stronger withstanding short-circuit capability:
VPI process is carried out for H. V. &L. V. Coils and pre-pressing device such as disc spring and silicon rubber
is put on the end of coils to strengthen the mechanical strength for both coils and product, which improves its
withstanding short-circuit capability.
6. Weatherproof:
The whole product is coated with H grade insulation lacquer twice. Lacquer film has the good adhesion,
mechanical strength and insulation performance without cracking. Therefore, it is weatherproof such as
moisture, fog and dust, particularly in serious pollution.

Technical parameters:

Rated Capacity (kVA)	Voltge			Vector Group	Io  (%)	Uk (%)	Po  (w)	Pk (w)(145 C)	Weight (kg)	Track (mm)
	HV  (kV)	Tap changer(%)	LV  (kV)
100	6 6.3 10 11 10.3 11	± 5 % ± 2×2.5 % Or Others	0.4	Y,yn0 D,yn11	1.1	4	408	2165	550	400 × 400
125					1.0		480	2590	620	550×550
160					0.9		560	3100	725
200					0.9		655	3975	825
250					0.9		760	4675	950
315					0.75		880	5610	1140
400					0.75		1040	6630	1320
500					0.6		1200	7945	1700	660 × 660
630					0.6		1400	9265	2000
630					0.8	6	1345	9775	1700
800					0.8		1695	11560	2025	820×820
1000					0.8		1985	13345	2375
1250					0.8		2385	15640	2720
1600					0.65		2735	18105	3310
2000					0.65		3320	21250	3830	1070×1070
2500					0.65		4000	24735	4450

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