How to choose the inverter? The Dalan oil pump motor tells you that it is configured by the capacity of the motor. It is divided into the following three steps: 600*1200mm Marble Porcelain Tiles
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How to choose the inverter? The Dalan oil pump motor tells you that it is configured by the capacity of the motor. It is divided into the following three steps:
1. Compare the rated current of the inverter and the motor
1 can not blindly select according to the capacity of the motor in the inverter manual;
2 You must carefully compare the rated data of the inverter and the motor and estimate the light weight of the load before selecting.
2. Measure the maximum operating current of the motor
1 The capacity of the motor is selected according to the heating condition of the motor. As long as the temperature rise of the motor does not exceed the rated temperature rise, a short time overload is allowed.
2 The overload capacity of the inverter is very weak, so for some motors whose load changes frequently, care should be taken to measure the maximum operating current of the motor.
3 The rated current of the inverter must be greater than the maximum operating current of the motor.
3. In the following cases, the inverter can be selected according to the matching capacity of the manual.
1 Continuous constant load, that is, the load is continuously running, and its operating current is basically unchanged during operation.
2 The capacity of the motor is large, that is, although the load is variable, the maximum current of the load does not exceed the rated current of the motor due to the large capacity of the motor.
3 The inrush current of the motor is very short, the inertia of the load is not large, and the inrush current is occasionally generated, but the maintenance time is not more than one minute.
4. It is necessary to increase the capacity of the inverter in the following cases.
1 When the rated current of the inverter is low, less than the rated current of the motor of the same capacity, the inverter of the first gear should be selected according to the load condition of the motor.
2 The motor may be overloaded for a short time, because the motor overload is relative to the heating constant, ranging from a few minutes to as many as several tens of minutes, and the overload capacity of the inverter is usually 1 minute, so the motor may be overloaded for a short time. The inverter capacity needs to be increased.
3 If there are special requirements for the acceleration/deceleration time, the length of the motor acceleration time is a relative concept related to the inertia. The same acceleration time may be too short for a load with large inertia, and the load with less inertia may be too long. . In general, the load needs to be increased for loads that need to be started and stopped under heavy load conditions: one is required to start and stop quickly, and the other is to move more frequently.
4 In the case of an impulsive load, the motor and the load are combined by a clutch.
How to choose the inverter? The Dalan oil pump motor tells you that it is configured by the capacity of the motor. It is divided into the following three steps:
1. Compare the rated current of the inverter and the motor
1 can not blindly select according to the capacity of the motor in the inverter manual;
2 You must carefully compare the rated data of the inverter and the motor and estimate the light weight of the load before selecting.
2. Measure the maximum operating current of the motor
1 The capacity of the motor is selected according to the heating condition of the motor. As long as the temperature rise of the motor does not exceed the rated temperature rise, a short time overload is allowed.
2 The overload capacity of the inverter is very weak, so for some motors whose load changes frequently, care should be taken to measure the maximum operating current of the motor.
3 The rated current of the inverter must be greater than the maximum operating current of the motor.
3. In the following cases, the inverter can be selected according to the matching capacity of the manual.
1 Continuous constant load, that is, the load is continuously running, and its operating current is basically unchanged during operation.
2 The capacity of the motor is large, that is, although the load is variable, the maximum current of the load does not exceed the rated current of the motor due to the large capacity of the motor.
3 The inrush current of the motor is very short, the inertia of the load is not large, and the inrush current is occasionally generated, but the maintenance time is not more than one minute.
4. It is necessary to increase the capacity of the inverter in the following cases.
1 When the rated current of the inverter is low, less than the rated current of the motor of the same capacity, the inverter of the first gear should be selected according to the load condition of the motor.
2 The motor may be overloaded for a short time, because the motor overload is relative to the heating constant, ranging from a few minutes to as many as several tens of minutes, and the overload capacity of the inverter is usually 1 minute, so the motor may be overloaded for a short time. The inverter capacity needs to be increased.
3 If there are special requirements for the acceleration/deceleration time, the length of the motor acceleration time is a relative concept related to the inertia. The same acceleration time may be too short for a load with large inertia, and the load with less inertia may be too long. . In general, the load needs to be increased for loads that need to be started and stopped under heavy load conditions: one is required to start and stop quickly, and the other is to move more frequently.
4 In the case of an impulsive load, the motor and the load are combined by a clutch.
----- Editor-in-Chief: Dalan Oil Pump Motor 02-Procurement Consultant
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