
250KW Motor
Description
Technical Parameters
Title
250KW Motor
Brief Introduction
Electric motors are essential equipment in modern industry, and the rated current of a motor is one of the important parameters for evaluating its performance. This article will introduce the calculation method for the rated current of a 220kw motor, helping readers better understand the performance parameters of high-power motors.
1. Definition of motor rated current
The rated current of a motor refers to the current value during motor operation at the rated voltage. The rated current of the motor is half of the continuous operating current of the motor, and it is also an important basis for motor selection and protection.
2. Calculation method for rated current of 250kw motor
The calculation method for the rated current of a 250kw motor is as follows
Rated current=rated power ÷ (3 × Rated voltage × Power factor
Among them, the rated power is 250kw, the rated voltage is 380V, and the power factor is generally around 0.85. By substituting it into the formula for calculation, it can be obtained that
Rated current=250000 ÷ (3 × three hundred and eighty × 0.85)=258
Therefore, the rated current of a 250kw motor is 258.
3. Factors affecting the rated current of the motor
The rated current of a motor is influenced by various factors, including motor power, voltage, frequency, winding temperature, etc. Among them, the higher the motor power, the higher the voltage, the higher the frequency, the higher the winding temperature, and the smaller the rated current.
4. The significance of the rated current of the motor
The rated current of a motor is an important reference indicator during motor operation, which can serve as an important basis for motor selection and protection. When the motor is running, if the current exceeds the rated current, it will cause the motor to overload and damage it. Therefore, it is very important to calculate the rated current of the motor correctly.
Conclusion: This article introduces the calculation method for the rated current of a 250kw motor, helping readers better understand the performance parameters of high-power motors. The rated current of a motor is an important basis for motor selection and protection, and the correct calculation of the rated current of a motor is very important.
Main Technical Parameters
Frame |
H355 |
Power Scope |
220KW |
Voltage |
380V, 400V, 415V, 460V, 490V, 660V, 690V |
Frequency |
50Hz, 60Hz |
Number of Poles |
2P, 4P, 6P, 8P, 10P |
Speed |
3000rpm, 1500rpm, 1000rpm, 750rpm, 600rpm |
Cooling Mechod |
IC411 |
Protection Grade |
IP55 |
Insulation Class |
F(155℃), H(180℃) |
Duty |
S1, S4, S5, S6, S9 |
Mounting Type |
B3 |
Standard |
IEC |
Efficiency Grade |
IE3 |
Outline Dimensions
Motor Parameters
Applications
The YE3 Series LV Motor is commonly used to drive water pumps, compressors, conveyors and other transmission machinery in different areas.
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Chemistry Power Station Cement Pump
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