What is the difference between IC81W and IC86W in AC MOTOR?_Wolong Nanyang Explosion-proof Motor, China Motor Manufacturer

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What is the difference between IC81W and IC86W in AC MOTOR?

source：未知 time：2024-09-24 09:16nbsp; click：

Motor cooling method is a very tangled issue in high-voltage motor ordering, involving multiple factors such as cost, installation space, and ventilation and heat dissipation effects. Today, let's talk about the commonly used cooling methods for motors.

Overview of Common Cooling Methods

The cooling methods for rotating motors include the nature of the cooling medium, the layout of various cooling circuits, and the driving method of the cooling medium. The cooling methods commonly used in motors are IC01, IC11, IC21, IC31, IC37, IC81W, IC611, IC616, etc.

●Typical Cooling Method

IC01: Self-cooling open type, the fan is installed on the shaft.

IC11: Self-ventilation with air inlet duct.

IC21: Self-ventilation with air outlet duct.

IC31: Self-ventilation with air inlet and outlet ducts.

IC37: With inlet and outlet ducts and independent or separate blower or cooling medium pressure source

IC611: Fully enclosed fan-cooled self-ventilation, with heat exchanger installed on the motor (air to air)

IC616: Fully enclosed internal air self-circulation, with independent blower heat exchanger installed on the motor (air to air)

IC666: Fully enclosed cooling air internal circulation motor with independent air/air cooler.

IC81W: Fully enclosed air-cooled self-ventilation, with heat exchanger installed on the motor (air to water), and the water circulation is powered by an independent water pump or water system.

IC86W motor is a fully enclosed motor with independent air/water cooler.

How to choose cooling method for variable frequency motor

Variable frequency speed regulating motor usually uses several cooling methods such as IC411, IC416, IC611, IC616, IC666, IC86W according to the specific load characteristics. The wise and reasonable solution is: according to the specific situation, choose the cooling method reasonably, which will not only reduce the purchase cost, but also greatly reduce the operating cost.

● Fan and pump loads

When the variable frequency speed regulating motor drives a fan or pump load, the load torque changes with the square of the speed (TL∝n2). The load torque is very small when running at low speed, the motor shaft output power is very low, and the heat generation is also very small. There is no need to worry about the heat dissipation problem of the variable frequency speed regulating motor when running at low speed. You can choose IC411 and IC611 with internal and external fan cooling. This is the theoretical basis for Brother J to recommend IC611 motor to customers.

Conclusion

When selecting a variable frequency speed regulating motor, it is necessary to reasonably select the cooling method of the variable frequency speed regulating motor according to the characteristics of the driven load and the difference in the use environment. Only in this way can the safe and economical operation of the variable frequency speed regulating motor be guaranteed.

low voltage electric motor, Ex motor, Motor manufacturers in China, three phase induction motor, Wolong Nanyang Explosion Protection

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