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High Voltage Power Transformer

High voltage power transformer product overview Power transformer system role from grid source to industrial load Project-specific transformer rating voltage cooling and installation configuration Visible high voltage transformer construction and service components Indoor outdoor coastal and extreme-temperature application conditions Transformer engineering manufacturing testing and delivery workflow

Six decision-focused images: overview, system role, configuration, construction, site conditions and delivery.

Power Transformer
Power at the Core

Essential for voltage step-up and step-down, this transformer delivers high efficiency, low loss, and reliable operation to ensure grid stability.

It supports various capacities and voltage levels, serving power grids, industrial and mining operations, and infrastructure projects.

  • High efficiency energy conversion with reduced line loss
  • Available in multiple capacities and voltage levels
  • Reliable operation with long service life
  • Applicable to grids, industry, mining, and infrastructure
Core electrical performance

Key ratings at a glance

Standard values provide a clear selection reference. Final capacity, voltage ratio, impedance, cooling and insulation levels are confirmed against the project single-line diagram and operating conditions.

500–250,000kVA rated capacity
6–220kV high-voltage levels
50 / 60Hz system frequency
ONAN–OFWFproject cooling options
Voltage regulationOff-circuit or on-load
InstallationIndoor or outdoor
Ambient designConfirmed for the site
Interfaces & insulationProject configured
Project engineering

Low-voltage output, vector group, impedance, temperature rise, accessories and special tests are governed by the technical agreement. Published ranges are selection references, not a substitute for project confirmation.