In most regions, the standard inverter frequency for AC power systems is 50 or 60 Hz, representing the number of complete cycles per second. Choosing the wrong frequency can lead to device failure, poor performance, or even hazards. By understanding the frequency, you can select an inverter that suits your power, location, and device. . However, choosing the right inverter for your home isn't as simple as picking one off the shelf. Step 1: The first step in your inverter selection is to. .