Toroidal transformers are widely used in household equipment & other high technical electronic equipment, here let’s discuss about 10 points common question of the toroidal transformer:

Question 1: If isolation transformer could be multi-winding output?

Answer: In generally, isolation transformer support multi-winding output, however, for too small power, it won't be able to do too many output winding. For example,  small voltage such as 2V, 3V can't support multi-winding output. More details about customized design, please contact with us freely.

Question 2: Any special customized request for 60Hz frequency isolation transformer?

Answer: Doesn't. Because 50Hz ~60Hz is normal working frequency.

Question3: If the primary & secondary lines connected reversely, will the electrical appliances be burnt?

Answer: For safe consideration, please don't connect reversely. For 220V to 220V transformer, the electrical appliances won't be burnt. However, if the output voltage is less than the input voltage, appliances likely to burn out.

Question 4: Whats Max. power for 150W toroidal transformer?

Answer: Generally, the toroidal transformer is marked with the rated power, that is, the no-load power. The actual power is smaller than the no-load power. Coilcore's toroidal transformer is made of copper wire, and the actual power is better than aluminum wire or copper clad, which can reach above 95%.

Question 5: What's decide isolation transformer price?

Answer: It's mainly determined by the power, because the larger power is, the bigger size will be, and then the higher production cost.

Question 6: How to choose a suitable isolation transformer?

Answer: Transformer must be matched based on the actual electrical appliance. During the transformer's output power is more than electrical appliance,  request we reserve 20% space.

Question 7: For low frequency transformer, what's the difference between the no-load voltage and the load voltage?

Answer:  The higher rated power of transformer is, the smaller  the difference between the no-load voltage and the load voltage, check below:

Transformer rated power: 40W-60W 80W-300W 500W-1000W

Corresponding voltage adjustment rate: 12%-10% 9%-7% 6%-4%

Question 8: For the toroidal transformer, if more turns, the smaller current?

Answer:  Not completely correct.  Under the same power, the more winding turns, the higher voltage will be. As we can see I=P/U, if the P is a certain value, the greater the voltage, the smaller the current is.

Question 9: Will the 220V isolation transformer's output current increase?

Answer: 1. When  the transformer power is fixed, the output current will not change; 2. If the transformer power is different, the larger the power is , the output current will increase.

Question 10: What's the difference between the capacity and power of toroidal transformers ?

Answer: Power refers to the amount of work done by an object in a unit time, power is a physical quantity that describes the speed of work. The amount of work is constant, and the shorter the time, the greater the power value. Capacitors are also called capacitors, and their ability to hold charges is usually referred to as capacitance, which is represented by the letter C. A capacitor, as the name implies, is a ‘container for holding electricity’, a device that holds electrical charges.