Silica Gel For Transformer

Foshan Weller Moisture Proof Technology Co., Ltd. is one of the most experienced manufacturers and suppliers of silica gel for transformer in China. If you're going to wholesale high quality silica gel for transformer, welcome to get free sample and discount information from our factory. We also accept customized orders.

China Silica Gel For Transformer manufacturers and suppliers since 2009, with our own factory. Accept wholesale, OEM, ODM orders. Provide custom solutions.

This silica gel for transformer is a highly effective and reliable desiccant used primarily in transformer breathers. Its core function is to adsorb atmospheric moisture from the air drawn into the transformer during breathing cycles, preventing moisture from contaminating the insulating oil. This maintains the oil's dielectric strength and protects the solid insulation, ensuring the transformer's safe and efficient operation.

High Static Adsorption Capacity

Saturation Capacity

Under saturated conditions (100% Relative Humidity), high-quality desiccant can adsorb more than 30% of its own weight in water. This means 100 grams of desiccant can hold over 30 grams of water vapor at full capacity.

Performance at Different Humidity Levels

The capacity of this silica gel for transformer is highly dependent on ambient humidity:

• At 20% Relative Humidity (RH), adsorption is approximately 5% of its weight.
• At 50% RH, this increases significantly to around 15-20%.
• At 90% RH, it can adsorb 28-32%, nearing its saturation point.

Features and Advantages

This silica gel for transformer is a highly effective desiccant used primarily in the breathers of oil-immersed power transformers to protect them from moisture.

1. Protect Insulation System

By removing moisture, it prevents the degradation of the transformer's insulating oil and paper. Moisture drastically reduces the dielectric strength of the oil, and this silica gel for transformer helps prevent internal electrical faults and breakdowns.

2. Extend Transformer Lifespan

Protecting the core insulation system from moisture and oxidation (when used with a sealed breathing system) . It significantly slows down the aging process of the transformer, leading to a longer operational life.

3. Enable Predictive Maintenance

The color-changing indicator allows for simple, visual monitoring. Maintenance crews can easily identify when the silica gel needs replacement without needing complex oil tests, reducing downtime and planning maintenance more effectively.

4. Cost-Effective Solution

The saturated desiccant can be regenerated by heating it to a specific temperature (approx. 120°C - 150°C) until it reverts to its original color. This reusability lowers long-term operational costs.

5. Ensure Operational Reliability

By maintaining a dry environment inside the transformer, this silica gel for transformer ensures reliable performance, prevents unexpected failures, and reduces the risk of costly repairs and power outages.

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