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Can the current of a high-voltage motor be used as a parameter for controlling the liquid level of a device?

2021-12-11View Original

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1. A high-voltage motor drives a device, and there is also a reducer between the motor and the device? 2. In the process control systems of the petrochemical industry, can the operating current of high-voltage motors replace level gauges as the main control parameter? 3. Will the current of the high-voltage motor fluctuate due to the equipment itself, voltage fluctuations in the power grid, or changes in the level of the medium inside the equipment? 4. If it can replace the liquid level as the main parameter, please explain the reasons. If it cannot be substituted, please explain the reason.
Reply #22021-12-12
I’m not quite sure what you mean. If the motor in question is used to drive the pump that extracts material from a storage tank, then the reasons you mentioned in point three will basically have no impact. What do you mean by using the liquid level as a substitute for the main parameter? Could you be more specific? If not, I really can’t help you
Reply #32021-12-12
This set of questions feels,,,,,, 1. Both speed increase gears and reducers are suitable, as long as there is a need for them. They are usually high-power energy-consuming devices ; 2. What is the relationship between the current of high-pressure power equipment and the liquid level in the container? ? ? I don’t get it. Refer to (4). 3. Yes ; 4. The main unclear factor is exactly how high this \"high-voltage motor\" is If the static pressure generated by the liquid level height can cause an increase in the pressure at the pump outlet, which in turn leads to an increase in current, well, it might be necessary to establish such a connection. So, such questions seem rather suspicious; these are makeshift explanations for reference only.
Reply #42021-12-12
It can only be used as a reference. What if the motor is not working properly?
Reply #52021-12-12
Read the question carefully: Can the current of a high-voltage motor be used as a parameter for controlling the liquid level of a device?
Reply #62021-12-12
Look at the question: Can the current of a high-voltage motor be used as a parameter for controlling the liquid level of a device?
Reply #72021-12-12
It cannot be used as a level parameter. There are many factors that affect electric current. Voltage fluctuations, the condition of the motor itself (inadequate lubrication, wear, etc.), the operating conditions of the pump, and so on.
Reply #82021-12-13
I really don’t want to explain any further! Most people on this forum are into technology, and these past few days there have been two strange incidents in a row. It seems to be about using techniques, but in reality it’s about manipulating people.
Reply #92021-12-18
1. I guess what you should ask about is what’s in the middle – the gearbox; 2. The current in high-voltage equipment can be adjusted via an inverter, and this current can be used to regulate the liquid level in the circuit. 3. Yes
Reply #102022-05-24
A 10 kV high-voltage motor drives a horizontal reactor. Without installing a level gauge, is it possible to utilize the motor’s operating current as an important parameter for determining the level of liquid inside the equipment?

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