Danfoss Compressor SZ110A6CBW

09/14/2020

Compressed air quality detection device

Okmarts.com recently developed a set of compressed air quality testing equipment that can detect the dust content, oil content and pressure dew point of compressed air online.

06/14/2020

Water hammer occurs when the pump is stopped, which is very harmful! How to break First, stop the pump water hammer and its hazards

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09/09/2020

The relationship between air compressor power, pressure and volume flow

Air compressor terminology: What is the relationship between air compressor power, working pressure and volume flow? First, let's first understand the definition of the three.

09/03/2020

What is the maximum flow condition of a centrifugal compressor

The working condition when the flow reaches the maximum is the maximum flow working condition. There are two possibilities for this working condition:

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

11/15/2023

Computer Fan Basics: Size, Bearing, Connector, Frame

A passive heatsink does not make noise, and the quiet effect is naturally superior to all active heatsinks, but it will have a large gap with the latter in terms of heat dissipation.

06/14/2020

Disassembly and maintenance of industrial screw refrigeration compressor

Disassembly and maintenance of industrial screw refrigeration compressor 1. Working principle, movement and movement characteristics of screw refrigeration compressor Screw refrigeration compression belongs to volumetric refrigeration compressor. It器2䀀
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06/14/2020

Current status and development direction of Chinese air-conditioning compressor manufacturing industry

Current status and development direction of Chinese air-conditioning compressor manufacturing industry The refrigeration compressor is the core and heart of the refrigeration system. The capacity and characteristics of the compressor lead to the capacityﰸ2䀀
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09/05/2025

How to Keep Your Computer Cool (Desktop, Laptop, or Computer CPU Temperature is too High)

The main sources of heat in a computer are the processor (CPU) and graphics processing unit (GPU). When these components work, they generate a lot of heat.

06/20/2020

What are the causes of air conditioning trip

What are the causes of air conditioning trip 1. The contradiction between the rated current of the air conditioner and the current carrying capacity of the wire. 　　Here are two formulas involved: 　　①The rated current of air conditioner I=P÷U ÷power factor, the power remains unchanged, the smaller the voltage, the greater the current required. 　　② The current carrying capacity of the wire I=U÷R, the voltage is proportional to the current. 　　 So when the power supply voltage is normal, we must consider the line voltage drop. The longer the line, the greater the resistance, the greater the voltage drop, and the smaller the output current at the end. However, because the power of the load remains unchanged, the voltage becomes smaller, and the current that needs to be output will be larger. At this time, the wire is forced to overload, and the time will cause heating, and eventually cause the tripping of the open circuit. 　　 Some friends said that the heat of the wire will not cause the tripping of the circuit breaker. In fact, the manufacturer of the air switch has made it clear in the relevant manuals that the heat of the wire will cause the air switch to trip. Because the wire heats up, the crimp terminal will also heat up, and the resistance will become larger and larger. The larger the resistance, the greater the current consumption, and the hotter it will be, a vicious cycle. 　　 2. Leakage 　　During the daily maintenance work, we will encounter the situation that the air circuit trips due to the leakage of electricity. At least I have not experienced it once or twice. Regardless of the leakage of the neutral line or the leakage of the live line, a long time will cause the circuit breaker to trip. 　　Why does the electric leakage cause the MCB to trip? There are two situations. 　　 ① Good grounding. At the beginning, the leakage current was not large, and as time went by, the leakage current became larger and larger, and eventually evolved into a short circuit to ground, unable to close. 　　②There is no ground wire. If the equipment is not connected to the protective ground, when the wire leaks to the equipment, it is equivalent to adding a large shunt resistance. Like this problem, if the air conditioner does not have a ground wire, when the wire leaks to the air conditioner, the air conditioner is a very large shunt resistor and will consume a lot of current. Eventually, the wire will heat up or trip open. 　　How to determine whether the trip caused by the above two aspects can be done with a clamp ammeter. 　　 ① Measure the voltage at the input and output to see if there is a significant change in voltage drop. 　　②Measure whether the output current exceeds the standard. 　　 So my suggestion is: first measure the supply voltage to see if it is within the allowable fluctuation range. Then measure the current to see if it exceeds the rated ampacity of the wire. Finally, check the data one by one according to the measured data to find out the reason.