High voltage microwave transformer primary coils play a crucial role in the functioning of microwave ovens. These coils are responsible for converting the low voltage supplied by the power source into a high voltage required for the magnetron tube. The magnetron tube generates the microwaves that heat the food inside the oven. In this blog post, we will discuss the primary coils used in high voltage microwave transformers.

Microwave ovens use a high voltage transformer to convert the low voltage supplied by the power source to a high voltage of around 2000 volts. The transformer consists of two coils, the primary and secondary. The primary coil is connected to the power source, and the secondary coil is connected to the magnetron tube.

The primary coil is responsible for transferring energy from the power source to the secondary coil. The primary coil is made of copper wire and is wound around a magnetic core. The number of turns in the primary coil determines the voltage output of the transformer. The more the number of turns, the higher the voltage output.

The primary coil is designed to handle high voltages and currents. The insulation used in the primary coil is specially designed to withstand the high voltage and current. The primary coil is also designed to dissipate heat generated during operation. This is achieved by using a high-temperature insulation material.

The primary coil is also designed to minimize losses due to eddy currents. Eddy currents are generated in the core of the transformer due to the alternating magnetic field generated by the primary coil. These eddy currents generate heat and reduce the efficiency of the transformer. To minimize the losses due to eddy currents, the core of the transformer is made of laminated sheets of steel.

In conclusion, high voltage microwave transformer primary coils are an essential component of microwave ovens. They are responsible for converting the low voltage supplied by the power source to a high voltage required by the magnetron tube. The primary coil is made of copper wire and is wound around a magnetic core. It is designed to handle high voltages and currents and to dissipate heat generated during operation. The primary coil is also designed to minimize losses due to eddy currents by using a laminated core. See the enameled wires in Lanpu Industry.