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?
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True or false: Tap changers may only be of the onload type?
True or false: Tap changers may only be of the onload type?
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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?
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What is the purpose of dehydrating breathers in power transformers?
What is the purpose of dehydrating breathers in power transformers?
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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?
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How many tap positions may an onload tap changer have?
How many tap positions may an onload tap changer have?
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When can a noload tap changer be operated?
When can a noload tap changer be operated?
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