Podcast
Questions and Answers
True or false: Noload tap changers can be operated while the transformer is energized?
True or false: Noload tap changers can be operated while the transformer is energized?
False (B)
True or false: Onload tap changers may have up to 33 tap positions?
True or false: Onload tap changers may have up to 33 tap positions?
True (A)
True or false: Dehydrating breathers permit raw outside air to come into contact with the oil?
True or false: Dehydrating breathers permit raw outside air to come into contact with the oil?
True (A)
True or false: Silica-gel crystals used in dehydrating breathers are blue in color when dry and turn pale pink as they become moisturized?
True or false: Silica-gel crystals used in dehydrating breathers are blue in color when dry and turn pale pink as they become moisturized?
True or false: Tap changers may only be of the onload type?
True or false: Tap changers may only be of the onload type?
What is the typical adjustment percentage for each step in a noload tap changer?
What is the typical adjustment percentage for each step in a noload tap changer?
What is the purpose of dehydrating breathers in power transformers?
What is the purpose of dehydrating breathers in power transformers?
What color are silica-gel crystals when dry, and what color do they turn as they become moisturized?
What color are silica-gel crystals when dry, and what color do they turn as they become moisturized?
How many tap positions may an onload tap changer have?
How many tap positions may an onload tap changer have?
When can a noload tap changer be operated?
When can a noload tap changer be operated?
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