The Current Transformer allows the use of 5-amp ammeters when measuring high currents up to 200 amps. In contrast, voltage transformers are designed to measure high voltages such as 11KV with a 120-volt meter. There are two types of current transformers, wound and closed core. There are two types of voltage transformers. They are capacitive voltage and electromagnetism.

　　The primary winding of the Current Transformer is connected in series with the transmission line of the current to be measured. Full line current flows through the windings. On the other hand, voltage transformers are connected in parallel with the circuit. This means that the full line voltage appears across the winding. The primary winding has fewer turns in a current transformer. and can measure current. A voltage transformer has many primary winding turns. Voltage can be measured. In a current transformer, the secondary winding has a larger number of turns on the secondary side, which is connected to the current winding of the meter. In a potential transformer, the secondary winding has fewer turns on the secondary side, which is connected to a meter or meter.

　　Current transformers are designed in such a way that they are not dependent on the secondary load, whereas voltage transformers are primarily dependent on the secondary load. Silicon steel sheet is the material used to design current transformers. On the other hand, high-quality steel with working flux density is used to manufacture voltage transformers.

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