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Know of Conductor Colour code Important for Enginneer

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About a Transformer

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Kind of X-former

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Today we will know how many kinds of transformers According to the operation :  1. Step up transformer 2. Step down transformer According to the construction of core: 1. Core type transformer 2. Shell type transformer According to the use or application: 1. Power transformer 2. Distribution transformer 3. Auto transformer 4. Instrument transformer (it is Two type)     (a) Current transformer-CT     (b) Potential transformer-PT According to the cooling method: 1. Normal or natural cooled transformer 2. Forced air cooled or Air blast type transformer 3. Oil-filled self cooled transformer 4. Oil-filled forced air cooled transformer 5. Oil-filled water cooled transformer 6. Filled forced oil cooled transformer According to the set up method: 1. Indoor type transformer 2. Outdoor type transformer 3. Pole mounted transformer 4. Underground transformer According to the use frequency: 1...
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