We know that direct measurement of voltage & magnitude with high magnitude is not practicable. So, we need a measuring instrument that has a high range of measurements or there is another technique through which we can use the property of conversion within AC currents as well as voltages. A transformer is used to transform the current or voltage down when the turns ratio is known after that determining the stepped down magnitude using a usual range of the device. The unique magnitude is decided by simply multiplying the outcome with the conversion ratio. So, such kind of instrument transformer with an accurate turn ratio is known as Instrument transformer. In this article, we will discuss an overview of the instrument transformer equipment and its advantages.
What is an Instrument Transformer?
A transformer that is used to measure electrical quantities like voltage, current, power, frequency, and power factor is known as an instrument transformer equipment. These transformers re mostly used with relays to protect the power system.
The Purpose of the instrument transformer equipment is to step down the voltage & current of the AC system because the level of voltage & current in a power system is very high. So, designing the measuring instrument with high voltage & current is difficult as well as expensive. These instruments are generally designed for 5 A & 110 V.
The measurement of high-level electrical quantities can be done using instrument transformer equipment. These transformers play a vital role in current power systems and have several advantages, such as:
- The normal range voltmeter and ammeter can be used along with instrument transformer equipment to measure high voltage and currents.
- Transformers can fix the rating of low range meter irrespective of the value of high voltage or current to be measured.
- Instrument transformers isolate the measurement from high voltage and current circuits. This in turn ensures the safety of the operator and makes the handling of the equipment safe and easy.
- Transformers can be used for operating several types of protection devices such as pilot limits and relays.
- Many instruments can be fed economically by using a single transformer.
Where to buy Instrument transformer equipment in USA?
Your search ends here! Power Grid is a company that manufactures products for the electrical and electric utility industries in the United States and for export. We offer a broad variety of product designs well suited for voltage transformer and current transformer service areas.
Being a highly dependable electric utility industry, we also offer various support and technical services relating to the application and in-service needs for instrument transformer products. We use highly cost-competitive technology in all areas to produce products that are technologically competitive to others available in today’s market. For more details, visit https://www.powergridcomponents.com

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