Consider the following statements associated with Buchholz's relays.Statement 1: Buchholz's relay is a current operated device.Statement 2 : Buchholz's relay is placed between the transformer tank and the conservator.

• A. Statement 1 is TRUE and Statement 2 is FALSE
• B. Both Statement 1 and Statement 2 are FALSE
• C. Both Statement 1 and Statement 2 are TRUE
• D. Statement 1 is FALSE and Statement 2 is TRUE

Answer: (D)

Buchholz relay is gas operated relay.
It will operate when internal fault occurs in transformer.
It is placed between tank to main conservator.
It has two contacts trip and alarm.
Use of Buchholz relay in distribution transformer is not economical.