As with any purchase, when buying a transformer, there’s a trick to saving money. It requires you to think long-term: a transformer is an investment, and you’re better off paying more up-front for a quality product. Otherwise, you might save money on installation day, but that savings will soon mean nothing after possible years of re-installations, repair fees, or even costs associated with having to replace a transformer.
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Dry-Type Transformer
Reasonable selection of transformer model and capacity:
Choose the right transformer model and capacity according to the actual load demand, which can avoid choosing too large or too small transformer. Too large transformer will lead to waste of resources, while too small transformer may not meet the load demand, increase the replacement frequency and maintenance costs .
Pay attention to the energy efficiency ratio of the transformer: Choose a transformer with a high energy efficiency ratio. Although the initial investment is high, it can significantly reduce the operating cost in the long run. Transformers with a high energy efficiency ratio consume less energy during operation, thus saving electricity.
Consider transformer maintenance costs:
Choosing a transformer with reliable quality and simple maintenance can reduce the additional costs caused by frequent maintenance. Regular maintenance can extend the service life of the transformer and reduce the overall cost.
Choose the right cooling method:
Choose the right cooling method according to the use of the environment and conditions, such as oil-cooled or dry type transformer. Reasonable cooling method can not only ensure the normal operation of the transformer, but also reduce energy consumption and maintenance costs.
Pay attention to the initial investment and operating costs of the transformer:
When buying a transformer, not only the initial investment should be considered, but also its operating costs and maintenance costs should be evaluated. Comprehensive consideration of these factors, choose cost-effective transformer .
The use of new materials:
The use of new materials such as oxygen-free copper and amorphous alloy materials can effectively reduce energy consumption and maintenance costs. These materials have better corrosion resistance and lower resistance, which can significantly reduce the energy consumption and maintenance costs of transformers.
Consider transformer installation and transportation costs:
By choosing transformers that are easy to install and maintain, you can reduce installation and transportation costs.
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Through the comprehensive application of these strategies, the purchase cost and use cost can be minimized under the premise of ensuring the performance and quality of the transformer.
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Purchasing transformer oil is an important financial decision for your company. It should be done very responsibly.
First, the buyer must a choose a brand of oil. This requires careful consideration based on the type of equipment being used and the operating conditions the oil and the oil’s abilty to meet those conditions.
Second, the cost of the oil must be considered. A small price difference in the cost of just one liter small can turn into a significant amount of money when purchasing a large volume of oil.
There are no universal recommendations for buying transformer oil. There are however, online services allowing buyers to compare transformer oil prices from various suppliers. It is up to the buyer to research and choose a reliable wholesale distributor or retailer.
If you have already purchased transformer oil that meets the correct specifications and quality standards, then it is time to think about oil storage.
The practical way to store the oil is to use clean and dry, steel air tight vessels. The tanks are usually coated with an oil resistant material inside. The outside of the tanks should have anticorrosion and light reflecting coating. The acceptable range of temperatures for storage of transformer oil is -40ºС to +60ºС/-40ºF to +140ºF.
The vessels should be equipped with valves for filling and draining as well as a manhole for cleaning, inspection and repairs. Breathing systems must be equipped with silica gel or zeolite cartridges that can be monitored by special monitoring devices.
Three days after putting the oil into a storage tank, samples are normally taken for laboratory analysis. Transformer oil in storage should be tested at least once a year for the following parameters:
It is also recommended to test the dissipation factor at 90ºС/194ºF at least once a year.
Each time the oil is tested for quality and purity, the results must comply with the parameters of fresh transformer oil regardless of the length of storage. Otherwise, the oil must be purified and regenerated to restore the oil to its new and clean condition.
GlobeCore offers a line of oil purification units under the CMM classification. These units improve color, remove acids, bases, and other aging products from any turbine, dielectric insulating oil, and industrial oils.
One of the advantages of the GlobeCore CMM line of units is their ability to regenerate oil on an energized transformer. Another important advantage is the ability to reactive the fuller’s earth sorbent inside the unit many times over, reducing downtime for sorbent replacement and replenishment.
After the processing of transformer oil with GlobeCore equipment, transformer insulating oil is restored to an as good as new condition.
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