Here’s Why You Should Go For an Epoxy Resin Current Transformer

Resin Current Transformer

Epoxy resin current transformers take their name from the fact that their windings are encased in epoxy resin. It’s effortless to install this type of transformers, which is dry and doesn’t need cooling oil. For this reason, you will not need any fire-proof vault for indoor installations.

In particular, the epoxy resin helps to protect the windings both from dust and any corrosive atmosphere. However, you can only find the molds for casting the coils in fixed sizes. This means that the design of these transformers is less flexible. Buying them might be more expensive if you need customized features, such as turns ratio, taps, and voltage.

Keep reading this guide to understand better what are some of the main benefits of using an epoxy resin current transformer.

What Are Some of The Main Advantages of Epoxy Resin Current Transformers?

  • Resistant to moisture

In an epoxy resin current transformer, there is a complete encapsulation of primary and secondary winding in epoxy resin. This prevents the penetration of moisture into windings. The epoxy resin helps by providing excellent protection against all types of adverse ambient conditions. This type of outdoor current transformer can be used without any disruptions of service even when the humidity reaches 100%.

  • With an Immediate Switch on

This type of outdoor current transformer can count on high-grade insulation material. For this reason, the transformer can be switched on directly. You won’t need to spend time pre-drying it even after a long period of service interruption.

  • With a Strong Short Circuit

An epoxy resin current transformer usually has a higher dynamic short circuit, which can withstand strength better than oil-immersed and conventional dry-type transformers. The reason behind this additional benefit is linked to fiberglass reinforced epoxy encapsulation.

  • Without Partial Discharge
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You won’t have to worry about partial discharges occurring during any operations.

  • Not Affected by Temperature Fluctuation

In an epoxy resin current transformer, the insulation material used is glass fiber, which is reinforced with an epoxy resin of class “F”. This type of epoxy resin can easily withstand even the most extensive variations in temperature.

  • No Need For Maintenance

The coils are encapsulated with epoxy resin. For this reason, the dimensions of the coil are stable. Besides, you won’t need coil tightening to maintain the strength of the short circuit. Not to mention that you won’t need to spend time checking the oil level and if any electrical insulation or oil is required. That’s an effective way to save money you would have otherwise had to spend on maintenance. We all know that Air conditioner consumes a high amount of electricity and you must be aware of the disadvantages of having an air conditioner in your house.

  • No Risks of Oil Leakage and Pilferage

An epoxy resin current transformer is solidly cast. In this way, you can altogether avoid the problems associated with oil-filled transformers, such as oil leakage and pilferage.

  • Saving Money for LT Cables And Civil Work Costs

You can place this type of transformers near the load center, without worrying about the risk of fire or explosions. Besides, these transformers don’t require the construction of oil pits or particular fiber brick walls. In this way, you can significantly reduce the overall civil works. Since there is not the need to use LT cables, you can also save money that you would otherwise have to spend on expensive cable laying works.

  • Strong Impulse

Epoxy resin current transformers are not like conventional dry-type transformers. They are much better when it comes to how much strength the impulse voltage can withstand.

  • Environmentally-safe
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No oil is used for this type of outdoor current transformers. For this reason, you won’t have to face the risks of contamination of groundwater as a consequence of oil leakage.

  • Almost Not Inflammable and Highly Self-extinguishing

This type of outdoor current transformer is almost non-inflammable since it’s made of high-quality insulation material. In this way, you don’t need to take special life protection measures.

  • Helps to Save Space

Epoxy resin current transformers are usually smaller and weigh much less. With this type of outdoor current transformers, you can cut the costs for the construction and the installation of the sub-station.

Helps to Save Space

Conclusions

We can summarize by saying that epoxy resin current transformers are a popular choice for residential, commercial, and industrial uses. They require almost no maintenance and have a much lower impact on the environment than other traditional oil-immersed transformers.

While you are now aware of some of their benefits, it may still be daunting and time-consuming to find the right epoxy resin current transformer supplier. But here’s our top recommendation: Guangdong Sihui Instrument Transformer Works. They have a vast collection of insulators, switches, as well as current and voltage transformers. Visit their official website to learn more about this leading company in the current transformer industry.

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