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SG(B)10 Ventilated Grade-H Dry Type Transformer

Dry Type Transformer


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Proposed Price

$1.00 - $80000.00/Sets | 1  Sets (Minimum Order Quantity)

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Product Details

Performance characteristics:

Excellent electrical and mechanical properties

SG (B) 10 is a DuPont Nomex paper-based insulation system. Excellent electrical and mechanical properties are maintained throughout the life of the transformer. NOMEX is not easy to aging, anti-shrinkage and compression resistance, and strong elasticity, so it can ensure that the transformer remains tightly structured even after years of use, and can withstand the short circuit pressure.

High security

SG10 transformer has no flammable resin, does not support combustion during use, can be flame retardant, will not explode and release toxic gases, will not cause harm to the environment, other equipment and human bodies, and is not sensitive to humidity, dust and pollution; there is no local operation Discharge and never "crack".

High reliability

Both high and low voltage coils are made of Nomex insulation material, and are impregnated with H-level solvent-free impregnated varnish several times by VPI vacuum pressurization equipment, and cured by high temperature baking. The product is H-class (180 ℃), and the main insulation material is C-class (220 ℃). It has strong overload capacity and good short-circuit resistance. Under good ventilation conditions, allow 20% overload operation.

Energy saving and environmental protection

After the end of product life, steel, iron and other materials are easy to recycle;

All Nomex paper used will not release toxic substances when burning;

Other insulation materials can degrade and not pollute the environment;

Low product loss and energy saving;

Low noise and flexible design.

Iron core

The iron core is made of 0.3mm thick silicon steel sheet with high magnetic permeability, 45 degree full-slope three-level overlap, no punching, no pull screw, the surface is coated with insulating paint, moisture-proof, rust-proof, low loss, low noise.

High voltage coil

The high-voltage coil adopts a continuous structure with high mechanical strength and good heat dissipation conditions, which avoids the shortcomings of high interlayer voltage, poor heat dissipation, easy thermal breakdown, and low mechanical strength of the multilayer cylindrical coil, thereby improving product operation. Reliability; excellent moisture resistance, more able to withstand thermal shock, never crack, partial discharge <5Pc, easy to decompose and recycle after life, protect the environment.

Low voltage coil

The low-voltage coil adopts a foil-type or longitudinal airway high-current spiral structure. The SG10 product's low-pressure longitudinal airway high-current spiral structure coil technology has won national patent application number: 002219069.

Advanced detection, test, temperature control system

Before leaving the factory, strict test inspection is performed according to the requirements of national standards GB1094.11-2007 and JB / T501-2006, and the partial discharge test is listed as the factory test item.

The temperature measurement device uses an advanced dry-type transformer temperature controller, which reflects the temperature of the winding by changing the resistance value of platinum thermal resistance embedded in the three-phase low-voltage winding. Integrate specific temperature, with functions such as over-temperature alarm, over-temperature trip, and three-phase temperature circuit display.

Classic performance of SG10 products:



1. DuPont ReliatraN technology.

2. Highly insulating.

3. Small local leakage, never cracking.

4. The first company in China to pass three special tests of European Standard HD464.

5. National patent-Low-voltage vertical airway large current spiral coil technology.