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#### ROBOTICS  KANTI

ROBOTICS INFORMATION TECHNOLOGY

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#### Transformer

A transformer is a device or component with no frequency change. The electrical current can be transferred from one alternating current circuit to another socket without any physical contact. The amount of current can be low - more voltage less - more. Formation e Two or more coils are embedded on one core or multiple cores adjacent to such a coil, whereby the alternating current in one coil is individually laminated core in the transformer by inducting voltage into other coils or coils. This core is a special type of alloy steel, which is highly fibrous and has a low hysteresis loss. Each lamination is insulated by ventilation or with enamel, so that the core can be much more effective in reducing AD current loss. The transformer in which the core is used is called the iron core. Transformer. And the transformer in which the core is not used is called the Air Core Transformer. In that case The air works on the core.

Four types of cores are commonly used in transformers, namely E and I type or T and U type. Here is an introduction to different parts of the core through another image The coils of the transformer are coated on a concentrated magnetic circuit of lactated iron-reluctance and thus, the coils produce very intense mutual inductance between the coils. The coil with which the input supply (AC) is connected. Array = Son Geria A = {xn Area - Ne | Windy Study 3 = ake is called the primary coil (P), and the coil from which the output voltage is emitted is called the secondary coil (S). Primary coils are always one, but secondary coils can be multiple. With the primary coil in the transformer when A. C. When the supply is added, the current flows in it and the alternating flux is created in the core. Most of these lines form an invisible link with the secondary coil. According to Farad's electrical - magnetic induction rule, a coaxial force is absorbed in this coil. In this case if the socket or circuit is supplied, the current will flow through the secondary coil. In other words, the transformer's operation is based on the principle of mutual induction.

Consist of depending on. Providing alternating current to the primary coil results in changing the magnetic field around the coil. This magnetic field intersects the turns of the secondary coil and cuts an A. C. Veltage captures. The amount of voltage in the secondary coil of the transformer depends on the number of turns of the primary and secondary coils. Although there is no direct electrical conduction between the primary and secondary coils. The relation between the turns and the voltage of the primary and secondary coils and we know that in the transformer's primary A. C. If the input voltage is applied, that voltage is derived from the secondary. C. The voltage is emitted in the rope. This emitted voltage, that is, the output voltage, can be increased by more than the input voltage, but can also be reduced. This is less than the secondary voltage

Depending on the ratio of the number of turns of the primary and secondary coil wires. However, with the number of turns, it is necessary to see that the primary and secondary coils are of the same frequency and that they intersect with the same line or flux. It is generally observed that the cross-sectional area increases as the line increases. The ratio of the number of turns of the primary and secondary coils is calculated from the following formulas. Es Ns namely - Ep Np here, Ep = voltage of primary coil; Es = voltage of secondary coil; Np = number of turns in the primary coil; Ns = the number of turns of the secondary coil. If the number of turns of the secondary coil is higher than the primary coil of the transformer, then the voltage emitted from the secondary will be higher than the technical voltage at the primary. This type of transformer is called a step-up transformer, because its voltage step is increasing. And if the secondary coil turns lower than the primary coil of the transformer, then the secondary technology is secondary to the voltage

The amount of voltage emitted from it will be less. This type of transformer is called step-down transformer, because its voltage step down is decreasing. Usually step-up transformers are used to increase the voltage, and step-down transformers are used to reduce the voltage. And the transformer's primary and secondary coils are equal to the number of turns of the coil, that is, 1: 1, such a transformer is called an isolation transformer. The amount of voltage applied to its primary is exactly the same voltage emitted from the secondary. Use this transformer to keep one socket from circulating to another. Either. | An example is the ratio of the primary and secondary coil turns or the voltage and voltage of the transformer. It will be helpful to understand the matter. Examples - Turn of a step-up transformer's primary and secondary coils - are 1, 000 and 5, respectively. If the primary voltage of 220 volts is supplied, how much voltage will be emitted from the secondary? | Es _ Ns Since EpNp is fun, Es = EpxA6 = 220 x3: 000 = 1, 100 Velt. So, here the voltage of the secondary coil is 5 times higher than the primary coil. â€¢ The relation between the voltage and current of the primary and secondary coils, and the ratio of the current to the primary and secondary coils of the transformer, is exactly the opposite of the voltage to the primary and secondary coils. Following the above example, it can be seen that the voltage (Es) of the secondary coil of this trammer is 5 times higher than the primary coil voltage (Ep). But in the current case, the opposite is true. That is, the current coil current (Ip) is 5 times higher than the secondary coil current (Is). Since the voltage ratio of this transformer is step-up, its current is being exploded. Step-down. Therefore, the ratio of current, voltage and turn ratio of the transformer is as follows. Namely Ip _ Es _ Ns IsÂ® EpÂ®Np. The primary circuit of a transformer is the power it receives from a voltage source. Secondary sockets provide lade. In a secondary transformer that is laden with the registers in the secondary, the power that the primary collector absorbs is equal to the power that the secondary holds. In practical cases, however, the power retained by the secondary is slightly less than that obtained by the primary. This is because the primary takes a bit more power to handle the core.