Yaskawa VFD Frequency Converter CIMR-EB4A0515AAA
Type: VFD
Brand: Yaskawa
Voltage: three phase
Input: AC 3PH 380-480V 50-60HZ
Output: AC 3PH 0-480V 0.1-400Hz 515A
Rated capacity: 392KVA
Type: VFD
Brand: Yaskawa
Type: VFD
Brand: Yaskawa
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Analysis of the cause of excessive suction temperature of compressor The high suction temperature is mainly due to the increase of superheat of suction. Note that high suction temperature does not mean high suction pressure, because the suction is superheated steam. Under normal circumstances, the compressor cylinder head should be half cold and half hot. If the suction temperature is too high, the cylinder head will all heat up.
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1. Disassemble all connecting pipelines connected to the cylinder head and clean the surface dust. 2. Take out the oil return pipe (air compressors below GA90 cannot be removed).
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1.If it is because of the weather, you need to change the refrigerator to another location. 2. When used in winter, you can turn on a compensation switch in the refrigerator. 3. It is necessary to check whether the compressor is damaged. 4. If the modulation gear is incorrect, you can adjust the gear higher. 5. If the refrigerant is not enough, the problem of non-refrigeration can be solved after the fluorine content is added.
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Structural design analysis of small linear refrigeration compressor
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Heat pumps are an excellent source of heating and cooling for homes and businesses, offering energy efficiency, comfort, and convenience. They are available in a variety of types, each with their own advantages and disadvantages.
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Different definitions: (1) Brushless DC motor is a typical mechatronics product, which is composed of motor body and driver. Brushless motor refers to the motor without brush and commutator (or collector ring), also known as commutator less motor. As early as the 19th century, when the motor was born, the practical motor was the brushless form, that is, the AC squirrel cage asynchronous motor, which has been widely used. However, the asynchronous motor has many insurmountable defects, so that the development of motor technology is slow. The transistor was born in the middle of last century, so the brushless DC motor using transistor commutation circuit instead of brush and commutator came into being. This new type of brushless motor is called electronic commutation DC motor, which overcomes the defects of the first generation of brushless motor.
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