The procedure to load the sf6 gas for cabinets RMU and cutting power

SF6 is a dielectric gas form for the energy applications of high voltage. And is widely used in the circuit breakers, high voltage, and the switchgear else in the electrical industry. Therefore, the current SF6 is also used quite commonly for all types of cabinets, RMU and cutting power. So we learn together about the guide the procedure to load the SF6 gas for cabinets RMU and the cutting power through the following article to understand better. 

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process loaded sf6 gas for cabinets RMU and cutting power

On the process load sf6 gas for cabinets RMU and electric mower will include 3 steps:

Checking the pressure of the SF6 gas in the mower

To promptly remedy those incidents such as leaks, damage or other problems can occur for machine cutting electricity, the need to regularly monitor and check. Especially the power station, where the risk occurs serious problems. 

Before proceeding with the process gas SF6 circuit breaker or cabinets, RMU, we all have to check pressure of SF6 gas in the air.

In fact, shields before cutting machine is the place to perform the pressure test station. When the cutting machine is not operating, then the process of aerating will be happening. 

And gas pressure in this process ranges from 3 -3.5 Bar.  If in case, the circuit breaker has mounting density gauges ga, the bells and the color palette. Then at this time, we rely on the directive palette to track. Blue only normal, yellow color indicates pressure cut and red only pressure and need to be loaded SF6 gas.

Remove SF6 gas from the device

• , Connect the gas recovery tank with the SF6 gas will be recovered 
• After you have connected the receiver with the container, proceed to the connecting pipe between the gas recovery with Tank SF6 gas
• Proceed to launch the recovery, and then open the valve of the gas recovery
• Stage open valve must be going slowly on the Tank contains gas SF6 and start the recovery of SF6 gas
• process gas recovery is taking place until the gas pressure vacuum under 133Pa
• Close the valve on the tank and valve machine, gas recovery
• machine Stops recovery of SF6 gas
• Remove the hose connected to the Tank. At this stage, attention should be paid not dirty the output of the Tank. Then, drain valve and remove the tank SF6 gas has recovered
• Open the valve on the Tank to aim for air into the tank until the pressure in the tank equal to atmospheric pressure. Then, close the valve back to the end of the process gas recovery.

The procedure to load the sf6 gas for cabinets RMU and cutting power

The loaded gas SF6 circuit breaker or cabinet RMU can through a system of valves are pressure gauges or through the load. 

Loaded SF6 gas through valves have pressure gauges :

• first, the need to ensure that the valve on the Tank was locked
• Connection gas SF6 and connection pipe into the 2 ends of the valve system adjust the metered pressure,
• Open the valve on the tank SF6, at the same time open the valve slightly adjusted to SF6 into the hose connector. Then, connect the hose connector remains in place loaded SF6 gas on the Tank
• Open valve adjustable to the process of SF6 gas into the Tank is happening
• Loaded SF6 gas into the Tank until the gas pressure in the Tank reaches 0.16 Mpa, in terms of a temperature of 20 degrees C
• Proceed to close the valve on the Tank, valve adjustment and valve rated SF6
• finally, remove the valve adjustment from the normal SF6. And at the same time remove the hose connected to the tank end of the process gas.

Loaded SF6 gas through the load

• first, to the process of intake, the need to connect the load SF6 gas with the SF6 gas
• Connection pipe connected to the intake manifold through the valve adjustment 
• Start the machine intake manifold and open valves on the tank SF6 gas
• Open the lighter valve adjusted to SF6 gas filling into the pipe connection in a certain period. Then, proceed to connect the pipes connected to the inlet Tank
• Began to open slowly the valve on the Tank until the gas pressure in the Tank reaches 0.16 Mpa at a temperature of 20 degrees C
• is finally close the valve on the Tank, valve adjust. And at the same time judges valve on the tank SF6 gas. Remove the system pipe connector, valve adjustment, normal SF6 gas. And the process of air intake end. 

note when loaded sf6 gas for cabinets RMU and cutting power

SF6 is a colorless, odorless, non-toxic. Composed of 1 atom of S associated with 6 atoms of F. If SF6 in normal conditions, it won’t react with other substances, because it is chemically inert.

However, if as SF6 losses out of the atmosphere, it will affect global warming. According to a study , if to loss 1 kg of SF6 also cause effects equivalent to 22 tons of CO2 emissions into the atmosphere. Therefore, the process of loading SF6 gas requires precision and very high safety. Therefore, this process needs to  requires the device to load SF6 gas to ensure safety for recharging process SF6 gas for cabinets RMU and cutting power.

Therefore the process of air intake need to use the device loaded SF6 gas, as well as tools, gas filling accuracy and high safety. Besides, to be able to reduce the costs can use the tools intake manifold by hand. However, whether it is equipment or instruments loaded in any way, it must be guaranteed according to current standards. To detect the leakage, damage and a number of other problems can occur to remedy in a timely manner. Therefore, the process of air intake should pay attention to the pressure of SF6 gas, the density of SF6 gas.

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Hope to post process guide loaded SF6 gas for cabinets RMU and cutting power, this can help you read understand and know how to perform safe, accurate.