Current transformer Harris 100/5 model Hα class 3

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  • 8 Year

Current transformer Harris 100/5 model Hα class 3


[Harris current transformer 100/5 model Hα class 3](https://www.automation24.ir/product-2341/%D8%AA%D8%B1%D8%A7%D9%86%D8%B3- %D8%AC%D8%B1%DB%8C%D8%A7%D9%86-%D9%87%D8%B1%DB%8C%D8%B3-100-5-%D9%85%D8%AF %D9%84-h%CE%B1-%DA%A9%D9%84%D8%A7%D8%B3-3)

### Transformer:

Transformers are devices that convert electrical energy from one level of voltage or current to another. Transformers are available in various types according to their application, which include general purpose transformers and special purpose transformers. Transformers that are used in most electrical systems and are not designed for a special purpose are called general purpose transformers. which includes dry and oil transformers here. Transformers designed for a special purpose are called special purpose transformers.

which includes: auto trans, trans measurement, trans scat and level balance, trans test. It should be mentioned that transformers with special applications, such as measuring transformers, have separate base names.

## The basis of CT work:

Like all transformers, CT is made up of two primary and secondary coils. The primary coil has a wire with a large cross-sectional area and fewer turns due to the high current, and on the other hand, the secondary coil has a wire with a small cross-sectional area due to the low current. And the number of turns that is connected to the ammeter is high. If we assume that a current of 1000 amperes enters one turn of the primary coil, then in the secondary we will have a current of 1 ampere for every 1000 turns of the coil. So we see that the current of 1000 amperes which could not be measured became one ampere which can be easily measured with a normal ammeter. Therefore, in this example, if we see a current of 1 amp on the ammeter, it means that our real current is 1000 amps, and if we see 1.5 amps, it means that our real current is 1500 amps. It was a better article, but usually in CTs, this ratio is 1000/5. Another point is that the CT is placed in series in the circuit.



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## Current transformers are divided into two types in terms of the core:
1- Current transformers with measuring core
2- Current transformers with protective core

1- Current transformers with measuring core have the duty to be accurate within the nominal and normal current of the network. And this type of cores should go to saturation in short connection currents and prevent the increase of current in the secondary and as a result prevent burning and damage of measuring devices on the secondary side.
2- Current transformers with protective core:
They should be able to be careful even in short circuit currents and reach saturation later so that they can show it in the secondary in proportion to the increase in the current in the primary and by detecting this excess current in the secondary by the protective relays, they can cut off the command.

Automation site 24

  • Gold Company
  • Company registration date: -
  • Number of staff: 1-10 Person
  • Company activities: Agents, Distributor and Wholesaler, Shop
  • Place: Iran, Province Qom
  • In the field of: Industrial electricity
  • Company Type: Private

Automation 24 online store based on a store with 30 years of experience and electricity activity Industrial, industrial automation and measuring instruments and equipment were launched in March of 1993. With the activities carried out, this store has the friendly symbol of electronic trust from the Ministry of Industry, Mines and Trade, the golden symbol of organizing Internet sites by the Ministry of Culture and Islamic Guidance, and also under the supervision of FATA police review systems and the Center for Information Technology and Digital Media. It is necessary to mention that purchasing from the site of 24 Automation Store according to the incentive plan, which has been active from the beginning of this store, is free of charge through Pishtaz post and without any cost for buyers to the address listed (door of the house). Or workplace) will be sent.
Industrial electricity

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