Tag: electrical transformer examples

High Voltage Transformers Vs. Low Voltage Transformers

Published / by admin / Leave a Comment

Your company should be familiar with power transformers before making any investment. The life expectancy of a transformer, once it’s installed, is between two and three decades. It is crucial to make the right decision based on knowledge. In managing electricity infrastructure, all needs must be wise and with quality products. Then MGM Transformers can help to supply varying secondary voltages to externally connected loads. You can find quality electrical and lighting products at the MGM Transformer Company.

It is important to know a few basics about transformers. The first is voltage. There are generally three voltage ratings for transformers: high voltage (medium voltage), low voltage (low voltage). The following brief description should help to better understand each of these ratings.

Transformers for high voltage

The high voltage transformer is used to convert voltages into power transmission. These voltages cannot be directly used by the consumer. The voltages that high voltage transformers can handle are typically between 230,000 and 35,000 V. Because these voltages must be transmitted over long distances, high voltage transformers require a different core geometries, winding methods and insulation methods to meet the requirements.

Step-up Transformers are high voltage transformers that can raise the primary voltage up to transmission-level, high voltage. However, highvoltage Transformers can also be used depending on where they are located in the transmission chains to step down voltages. A variety of applications for high voltage transformers include power distribution and control, instrumentation, and electrical isolation. This type can also be easily converted from single to three-phase.

Medium voltage transformers

These transformers are often used in the local distribution area of the power distribution system. They can deliver power from local distribution systems to end users, and range in voltage from 35,000 V to 2,400 V. Residential customers may have an output voltage as low as 120 V, while industrial customers might see a voltage of 5,000 V. This transformer can be considered a link between the utility provider, the end user, and the transformer.

These transformers can often be seen on utility poles or green boxes with tamperproof encloseds for connections located within shopping malls. These are usually liquid-filled and the most popular of the three sizes.

Low voltage transformers

Lowvoltage transformers, also known as magnetic lowvoltage transforms, are used at the consumer side of the energy grid. A lowvoltage converter is a distribution transformer equipped with both the primary as secondary windings. They are intended to work at system voltages of the low voltage classes. An electronic lowvoltage converter converts 120 V into 12 V or 24 V. A DC low-voltage transformer uses a rectifier in order to convert its output into direct current (DC), and reduce radio frequency interfering (RFI). These lowvoltage transformers come in many mounting options and are often very small.