Perhaps you have some questions about whether aluminum enameled wire is suitable for your Transformers. Regardless of its high cost, copper continues to be used more widely than aluminum for Transformers, but each material has its advantages and disadvantages.
Due to its lightweight nature, aluminum is fairly malleable and easy to work with. The lightweight nature of aluminum is beneficial when winding is to be done over long distances as it makes the job less rigorous. Aluminum also reduces corona, an electric discharge associated with high power transmissions.
When it comes to cost, aluminum is more affordable than copper wire. With aluminum, you will require about half the amount you would need if copper wire were used instead.
Aluminum wires require higher maintenance than copper wiring. This is partly due to the high wear and tear rate as well as greater risk of fire. For example, aluminum also undergoes corrosion when it encounters certain metal compounds, and this oxidization gives the connection increased resistance. This adds to transformers maintenance costs.
Copper has one of the highest electrical conductivity rates among metals, which allows it to be soldered with ease. It also makes it possible for smaller conductors to be used to transmit power loads. Smaller conductors are easier to transport and install, and they cost less, which helps manage wiring costs. Copper doesn’t undergo the same extreme expansion and contraction cycles as aluminum so it is a more stable material to use.
Due to its high ductile properties, copper can be formed into very fine wire, making it more versatile. Copper has a high tensile strength as well, so it can undergo extreme stress but show minimal signs of wear and tear. This makes the wiring more durable than aluminum. Due to its great resilience, high durability, low maintenance, and high performance, copper wiring also adds to transformer value.
Copper wire costs much more than aluminum, so when extensive winding is necessary, the overall costs may prove to be prohibitive. Copper is also heavier which can add to the difficulty in winding. More supports are required to secure the heavier wire in place, which also adds to overall cost.
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