High voltage multilayer segmented cylindrical structure, low voltage longitudinal airway foil structure
High temperature curing, high insulation, dust and moisture proof
High quality steel, with low loss, low noise characteristics
Oxygen free copper coil, low resistance, low loss, high efficiency
Insulating level achieves Grade H
The three-limb iron core is made of oblique cut Grain-oriented, seven-step silicon steel laminations insulated on both sides, guaranteeing low losses and low noise. These values are even improved by laser treatment. It is protected on the surface with a flash-proof varnish in order to prevent the sheet from corrosion and to reduce the noise.
Clamping frame processed by CNC cutting, bending and then one-time punch forming, the hole’s size is accurate and the appearance looks delicate.
The winding coil is made of oxygen-free copper, class H for main insulation materials and coil is insulated by NOMEX paper of DUPONT brand, LV winding is isolated by copper foils. All these make the heat-resistant is up to 220℃, with excellent overload capacity and low loss, but high efficiency.
Dry-type transformer type
IEC, ANSI, NFC52 etc
single or three phase
With tapping links or on-load tap changer
Dy, Yy, Yd as standard. Other on request
According to IEC 60085, Class F or Class H
With ambient temperature in accordance with IEC 60076-11
Type of cooling
IP00 to IP54
Only Focused on transformers, but we offer customized different types of transformers.
+20 years experience R&D team, derived from a 60 years history transformer factory in Changsha city of China.
One of the drafters of Chinese National Standard (for Mining explosion-proof Mobile Substations). Unique deisgning for customers' convenience,like “Vertically Lifting”.
Varelen Electric Co., Ltd