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HK-H500/HK-H600 New Intelligent Semiconductor Dehumidification Device
Equipment Name: New Intelligent Semiconductor Dehumidification Device Model: HK-H500/HK-H600 Quantity: 1 set Manufacturer: Wuhan Huadian Keyi Electric
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Product Overview
Reason for condensation:
Warm air contains more water molecules than cold air. When the environmental humidity suddenly drops, the air will clear water molecules and attach them to solid surfaces in droplets.
Condensation phenomenon:
1. The humidity in the area is high, the climate temperature changes greatly, the bottom of the switchgear is damp, and some cable trenches even have accumulated water;
2. Some switchgear is located in the basement with high humidity, and the temperature inside the cabinet, especially near the ground, is lower than the ambient temperature;
3. Some equipment is temporarily shut down, and the temperature inside the electrical cabinet is lower than the surrounding environment, making it easy for condensation to form on its surface. In this case, once power is transmitted and put into operation, accidents will occur.
1. Reduce the insulation level of the equipment. When the insulation level of the equipment decreases, it can cause electrical equipment to ignite, and in severe cases, it can lead to short circuits and fires.
2. Corrupt the conductive parts of the equipment. When the conductive parts of the equipment are corroded for a long time, they are prone to rust and aging, causing an increase in contact resistance and heat generation of the electrical joints, which may result in the equipment not working properly or even catching fire.
3. Corrosion equipment operating mechanism. The dew formed on the switch or knife switch operating mechanism can corrode the metal parts inside the mechanism, affecting the service life of the mechanism, and even cause the mechanism to jam due to rust, resulting in the mechanism not being able to operate properly when the switch or knife switch is opened and closed. If this causes the dynamic and static contacts of the switch to open and close slowly, it can cause a great power accident, especially when the switch is not operated for a long time, the corrosion phenomenon will be even more serious.
Warm air contains more water molecules than cold air. When the environmental humidity suddenly drops, the air will clear water molecules and attach them to solid surfaces in droplets.
Condensation phenomenon:
1. The humidity in the area is high, the climate temperature changes greatly, the bottom of the switchgear is damp, and some cable trenches even have accumulated water;
2. Some switchgear is located in the basement with high humidity, and the temperature inside the cabinet, especially near the ground, is lower than the ambient temperature;
3. Some equipment is temporarily shut down, and the temperature inside the electrical cabinet is lower than the surrounding environment, making it easy for condensation to form on its surface. In this case, once power is transmitted and put into operation, accidents will occur.
1. Reduce the insulation level of the equipment. When the insulation level of the equipment decreases, it can cause electrical equipment to ignite, and in severe cases, it can lead to short circuits and fires.
2. Corrupt the conductive parts of the equipment. When the conductive parts of the equipment are corroded for a long time, they are prone to rust and aging, causing an increase in contact resistance and heat generation of the electrical joints, which may result in the equipment not working properly or even catching fire.
3. Corrosion equipment operating mechanism. The dew formed on the switch or knife switch operating mechanism can corrode the metal parts inside the mechanism, affecting the service life of the mechanism, and even cause the mechanism to jam due to rust, resulting in the mechanism not being able to operate properly when the switch or knife switch is opened and closed. If this causes the dynamic and static contacts of the switch to open and close slowly, it can cause a great power accident, especially when the switch is not operated for a long time, the corrosion phenomenon will be even more serious.
Features
The principle of dehumidification:
Øabsolute humidityThe mass of water vapor per unit volume of air is called the absolute humidity of the air, measured in grams per cubic meter
ØSaturated humidityThe atmosphere isA certain temperatureThe limit value of water vapor contained in the water is called saturation humidity, also expressed in G/m3. If it exceeds this limit, water will condense out.
Ørelative humidity: Actual in the airDensity of water vapor containedAt the same temperatureSaturated water vapor densityThe percentage value is called the relative humidity of the air. It refers to the humidity in our daily life, expressed in RH%. The relative humidity that the human body feels moderate is 60-70%;
Ødew pointThe temperature at which the original unsaturated water vapor in the air becomes saturated, that is, when the relative humidity of the air reaches 100%, is called dew point and is commonly expressed in Celsius.
Under constant absolute humidity:
When the temperature rises, the ability of water molecules contained in the air increases, and the relative humidity decreases; When the temperature decreases, the ability of water molecules contained in the air decreases, and the relative humidity increases.
Øabsolute humidityThe mass of water vapor per unit volume of air is called the absolute humidity of the air, measured in grams per cubic meter
ØSaturated humidityThe atmosphere isA certain temperatureThe limit value of water vapor contained in the water is called saturation humidity, also expressed in G/m3. If it exceeds this limit, water will condense out.
Ørelative humidity: Actual in the airDensity of water vapor containedAt the same temperatureSaturated water vapor densityThe percentage value is called the relative humidity of the air. It refers to the humidity in our daily life, expressed in RH%. The relative humidity that the human body feels moderate is 60-70%;
Ødew pointThe temperature at which the original unsaturated water vapor in the air becomes saturated, that is, when the relative humidity of the air reaches 100%, is called dew point and is commonly expressed in Celsius.
Under constant absolute humidity:
When the temperature rises, the ability of water molecules contained in the air increases, and the relative humidity decreases; When the temperature decreases, the ability of water molecules contained in the air decreases, and the relative humidity increases.
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