Dry-Type Rectifier Transformers for DC Ice Melting Devices

Product Overview

Model: ZSCT-31500 (below 31,500kVA).Main application fields: provide rectified power for DC ice melting devices, used for emergency ice melting of 110kV, 220kV, 330kV, and 500kV transmission lines to quickly restore power supply.。

Product superiority

High-performance products developed to address the problem of power outages caused by ice disasters. This transformer can safely operate at 1.2 times overload for 2 hours, and 1.3 times overload for 1 hour, supporting 12-pulse constant current output, providing a stable and reliable rectified power source for DC ice melting devices to ensure rapid restoration of power supply to transmission lines.

Product-related parameters

• Capacity range: 31,500kVA and below

• Primary voltage: 35kV and below

• Secondary Voltage: 5.0kV and below

• Secondary Voltage adjustment range: 5% to 100%

• Voltage adjustment method: De-energized tap changer

• Rectifier output: 12-pulse constant current output

• Overload capability: 1.2 times overload for 2 hours, 1.3 times overload for 1 hour