High density boards

Hitachi Energy produces high-density (HD) precompressed transformer boards with the highest mechanical and electrical strength and dimensional stability. These boards are considered by the transformer industry as premium boards and fulfill the requirements of IEC 60641-3-1 Type B 3.1A by a wide margin.

HD boards are mainly used for the production of insulation components for extra-high voltage and ultra-high voltage transformers.

Why Hitachi Energy

• More than 150 years of experience in insulation
• Complete range of insulation products for liquid-filled transformers; comprehensive range for dry-type
• Complete range of insulation products for transformers from 11 kV up to 1,200 kV AC and 800 kV DC
• Material excellence
• Global footprint
• Diameter: 125, 160, 200 mm