Dry-Type Transformers

A dry-type transformer is a transformer in which the iron core and windings are not immersed in insulating liquid.DOHO Electric's drytype transformer products are designed in accordance with IEC internationa standards and current national standards, Its design technology has always been advanced and kept pace with international standards,Mainlyproduces dry-type transformers of 35kV and below, Including epoxy resin,Cast dry-type transformer, Impregnated H-qrade insulation dry-type transformer and amorphous alloy dry-type transformer.It possesses performance characteristics such as no oil and gas leakage, safety, environmental protection, and low noise.

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Description

Normal usage conditions

Maximum temperature : +40°C

Maximum daily average temperature : +30°C

Highest annual average temperature : +20°C

Minimum temperature : -5°C(Suitable for indoor transformers)Minimum temperature : -30°C(Suitable for outdoor transformers)

Altitude : ≤1000m

Humidity : The relative humidity of the surrounding air should be below 93%.No water droplets should appear on the surface of the coil. Our company can provide users with products suitable for special usage conditions.

Specifications

Product Model	No-load loss (W)	Load loss		No-load current (%)	Short-circuit impedance (%)	Noise(dB)A	Combination of voltages
Product Model	No-load loss (W)	Class H(146°C) (W)	Class H(120°C) (W)	No-load current (%)	Short-circuit impedance (%)	High voltage (kV)	Sound pressure level	Tap range (%)	Low voltage (kV)
SCB11-50/35	400	1520	1420	2.10	6	47	35 37 38	±2×2.5 / ±5	0.4
SCB11-50/35	400	1520	1420	2.10
SCB11-50/35	400	1520	1420	2.10
SCB11-50/35	400	1520	1420	2.10
SCB11-50/35	400	1520	1420	2.10
SCB11-50/35	400	1520	1420	2.10		50
SCB11-50/35	400	1520	1420	2.10
SCB11-50/35	400	1520	1420	2.10
SCB11-50/35	400	1520	1420	2.10
SCB11-50/35	400	1520	1420	2.10
SCB11-50/35	400	1520	1420	2.10		51
SCB11-50/35	400	1520	1420	2.10
SCB11-50/35	400	1520	1420	2.10
SCB11-50/35	400	1520	1420	2.10		53
SCB11-50/35	400	1520	1420	2.10		53

Product Features

Features

Our company's transformer desiqn and development technoloqy is based on extensive physical model experimentsSelf-developed transformer leakage flux, short circuit, Design and calculation software for load loss,etc,

Comprehen-sively optimize the electrical performance of the transformer, Provide users with product solutions that offer the lowesttotal lifecycle operating costs.

Structural design employs three-dimensional finite element analysis software,for Transfor-mercore, analyze the iron ring and clamping piece,to enhance the mechanical strength of the product,provide guarant-ees for short-circuit resistance and noise reduction.

Product Applications

It is primarily suitable for use in commercial buildings, high-rise structures, airports, industrial and mining enterprises, power plants, oil platforms, subways, tunnels, and other crucial locations with specific fire protection requirements. It can also be combined with switchgear to form a box-type substation.

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Dry-Type Transformers

Description

Specifications

Product Features

Product Applications

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