Backup impedance protection in Generator, Transformer & Reactor

backup impedance protection

In addition to the general protection, backup impedance protection or distance protection is also used in Generator, Transformer & Reactor to protect during external faults in the power system. Generally, impedance protection is most commonly used for the protection of transmission lines. When the Impedance value goes below the set value during the fault or … Read more

DGA or Dissolved Gas Analysis of Transformer oil

dga in transformer oil

DGA (Dissolved Gas Analysis) is an important tool for checking the healthiness of oil-filled power transformers. Power Transformer is important and expensive equipment in Power Transmission and Distribution systems. Periodic checking or testing of the transformer is done to maintain the healthiness of the transformer. Transformer oil is used for insulation and cooling of the … Read more