6 FAQs about 220v1200w motor inverter selection

How to select an invertor?

Before selecting an invertor, first the motor should be chosen.In selecting the motor, first calculate the load inertia for the applications, and then calculate the required capacity and torque. This method of calculation helps select a motor by calculating the output (W) required by the motor to maintain its regular rotations.

How to choose an inverter?

Generally, select an inverter which fits the maximum applicable motor capacity of the selected motor. After selecting an inverter, check if it meets with all of the following conditions. If it does not, select an inverter that has a one class larger capacity and check the feasibility again.

Do inverters have a nominal output current?

The inverters are dimensioned for a nominal output current I N. In many applications, there is a demand for short-time overload operation. For this purpose, the inverters can be operated with up to 150% of the nominal output current for a short period of time. For overload operation, make sure that the inverter is not thermally overloaded.

Why do I need to select the inverter unit?

HD/HND/HHD mode) than that of the motor rating.To use the inverter under an ambient temperature or carrier frequency condition different from the factory default, the output current rating requires derating due o the ambient temperature or carrier frequency. It is, therefore, necessary to select the inverter unit

What is Fuji Electric's first slim type inverter?

Fuji Electric's first slim type inverter dedicated for a variety of HVAC applications. This series follows European trends and is keeping high Japanese reliability.

How to protect a power inverter from thermal overload?

For overload operation, make sure that the inverter is not thermally overloaded. For protection of the power components, inverters have various monitoring mechanisms. The following thermal monitoring functions are available: The periodic current load of the switching power semiconductors lets them heat and cool down cyclically.

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