I would like to ask about the operational stability of electrically driven propylene compressors used in purification systems
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I would like to ask about the operational stability of electrically driven propylene compressors used in purification systems. Are there any issues with them? After an emergency shutdown, is high motor power required when restarting? Are these compressors controlled using frequency conversion or operate at fixed frequency, and can the load adjustment keep up?
Electrically driven propylene compressors generally have good operational stability. After an emergency shutdown due to an accident, the motor does require a high level of power during startup. Variable frequency control is typically used, as it allows for smooth adjustment of speed and load, ensuring stability during startup and enabling effective adaptation to changes in load while preventing stress on the power grid. Overall, the load adjustment can keep up. .
I would like to ask about the operational stability of electrically driven propylene compressors used in purification systems. What are the potential issues? After an emergency shutdown, when the compressor is started again, since the pressure of the propylene entering the compressor is higher than normal, does this require a higher motor power? Are variable frequency controls or fixed-frequency operation used, and can the load be adjusted accordingly?
Electrically driven propylene compressors generally operate stably, but may face some challenges when restarting after an emergency shutdown. If the inlet propylene pressure is higher than the normal startup pressure, a greater motor power is indeed required to overcome this pressure. To address this situation, variable frequency control is generally recommended, as it allows for more flexible adjustment of speed and torque to accommodate various starting conditions and load requirements; operating at the fixed power frequency can instead lead to difficulties in starting or damage to the equipment. Overall, through variable frequency control, load adjustment can usually keep up, ensuring the smooth operation of the equipment. .
Electrically driven propylene compressors use frequency conversion control, which makes them much easier to operate than turbine-driven ones; they also offer better stability. When restarted after a shutdown, the frequency conversion motor starts under reduced load, resulting in a lower starting load and faster load adjustment – making it easier to make adjustments compared to turbine-driven compressors. I have used both electrically driven and turbine-driven propylene compressors, and the electrically driven ones are clearly superior