Method and device for preventing oil from entering generator, electronic equipment and storage medium

Abstract

The invention discloses a method and device for preventing oil from entering a generator, electronic equipment and a storage medium, and relates to the technical field of power equipment safety, and the method comprises the steps that a redundant oil discharge pipeline connected with a hydrogen side sealing oil pump outlet and an air side sealing oil pump inlet is configured, and a control assembly is arranged on the redundant oil discharge pipeline; when the thermal power generating unit enters the hydrogen replacement working condition, the opening degree of the control assembly is dynamically adjusted according to the oil level of the hydrogen side sealing oil tank, so that an auxiliary oil discharging path from a hydrogen side sealing oil pump outlet to an air side sealing oil pump inlet is established; the sealing oil is driven to flow along the auxiliary oil discharge path by using the natural pressure difference of the outlet of the hydrogen side sealing oil pump, so that a double-path oil discharge system parallel to the original oil discharge path is formed; excessive oil liquid in the hydrogen side sealing oil tank is dredged in real time through the double-path oil discharge system, and the oil level is controlled within a safe interval to block an overflow path of the oil liquid to the defoaming tank. The method has the technical effects of reducing the unplanned shutdown loss and the operation and maintenance cost of the unit and guaranteeing safe and stable operation of the unit under the hydrogen replacement working condition.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power equipment safety, and in particular to a method and device for preventing oil from entering a generator, electronic equipment and a storage medium. BACKGROUND

[0002] In the field of power generation, hydrogen replacement operation is often performed when a thermal power generating unit is shut down for maintenance. However, during the hydrogen replacement process, due to poor sealing oil system regulation or improper operation, the generator is prone to oil ingress, which seriously affects the safety of the equipment. Specifically, if the air hydrogen side sealing oil pressure is dynamically unbalanced during hydrogen replacement, or the hydrogen pressure drops suddenly, causing poor return of oil on the hydrogen side, combined with the fact that the automatic oil supplement and discharge valve of the sealing oil tank may be jammed and fail, all of these will cause the oil level in the hydrogen side sealing oil tank to abnormally rise. After the tank is full, the sealing oil further overflows into the defoaming tank, and if not handled in time, it will cause the defoaming tank to overflow, and eventually the oil will enter the generator, pollute the insulation material, cause short circuit of the winding and rust of the core, and in severe cases, the unit needs to be disassembled for maintenance, greatly increasing the operation and maintenance cost and downtime.

[0003] Currently, although measures such as dynamically monitoring oil pressure, checking valve function and maintaining reasonable internal pressure are taken in the related art to try to alleviate the problem, there are still technical shortcomings such as lag in pressure difference valve and balance valve adjustment, loss of oil discharge power caused by improper hydrogen discharge operation, etc., which makes the single oil discharge path insufficient in oil discharge capacity under hydrogen replacement conditions, and it is difficult to effectively curb the rise of oil level. SUMMARY

[0004] The present application provides a method and device for preventing oil from entering a generator, electronic equipment and a storage medium. The technical effects of avoiding pollution of the internal insulation material of the generator, short circuit of the stator and rotor windings, rust of the core, reducing non-planned shutdown losses and operation and maintenance costs of the unit, and ensuring safe and stable operation of the unit under hydrogen replacement conditions are achieved.

[0005] According to a first aspect of the present application, a method for preventing oil from entering a generator is provided, comprising: configuring a redundant oil discharge pipeline connecting the hydrogen side sealing oil pump outlet and the air side sealing oil pump inlet, and setting a control component on the redundant oil discharge pipeline; when the thermal power generating unit enters the hydrogen replacement condition, dynamically adjusting the opening of the control component according to the oil level of the hydrogen side sealing oil tank, to establish an auxiliary oil discharge path from the hydrogen side sealing oil pump outlet to the air side sealing oil pump inlet; using the natural pressure difference of the hydrogen side sealing oil pump outlet to drive the sealing oil to flow along the auxiliary oil discharge path, forming a double-path oil discharge system parallel to the original oil discharge path; controlling the oil level in the safety interval by the double-path oil discharge system to block the overflow path of the oil to the defoaming tank.

[0006] According to a second aspect of the present application, there is provided a device for preventing oil from entering a generator, comprising: an adjusting module configured to dynamically adjust the opening degree of the control component according to the oil level of the hydrogen-side sealing oil tank when the thermal power generator unit enters the hydrogen replacement working condition, so as to establish an auxiliary oil discharge path from the hydrogen-side sealing oil pump outlet to the air-side sealing oil pump inlet; a driving module configured to drive the sealing oil to flow along the auxiliary oil discharge path by using the natural pressure difference of the hydrogen-side sealing oil pump outlet, so as to form a double-path oil discharge system parallel to the original oil discharge path; a dredging module configured to dredge the excess oil in the hydrogen-side sealing oil tank in real time through the double-path oil discharge system, so as to control the oil level in a safe interval and block the overflow path of the oil to the defoaming tank.

[0007] According to a third aspect of the present application, there is provided an electronic device, comprising: at least one processor; and a memory connected in communication with the at least one processor; wherein the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to perform the method for preventing oil from entering a generator according to the first aspect.

[0008] According to a fourth aspect of the present application, there is provided a non-transitory computer-readable storage medium storing computer instructions, wherein the computer instructions are used to enable a computer to perform the method for preventing oil from entering a generator according to the first aspect.

[0009] According to a fifth aspect of the present application, there is provided a computer program product comprising a computer program, wherein the computer program, when executed by a processor, implements the method for preventing oil from entering a generator according to the first aspect.

[0010] The application provides a method, device and equipment for preventing oil from entering a generator and a storage medium, and comprises the following steps: configuring a redundant oil discharge pipeline connected with the outlet of a hydrogen-side sealing oil pump and the inlet of an air-side sealing oil pump, and setting a control component on the redundant oil discharge pipeline; when a thermal power generating unit enters a hydrogen replacement working condition, dynamically adjusting the opening degree of the control component according to the oil level of the hydrogen-side sealing oil tank, so as to establish an auxiliary oil discharge path from the outlet of the hydrogen-side sealing oil pump to the inlet of the air-side sealing oil pump; driving the sealing oil to flow along the auxiliary oil discharge path by using the natural pressure difference of the outlet of the hydrogen-side sealing oil pump, so as to form a double-path oil discharge system parallel to the original oil discharge path; and draining the excess oil in the hydrogen-side sealing oil tank in real time through the double-path oil discharge system, so as to control the oil level in the safe interval and block the overflow path of the oil to the defoaming tank. According to the application, the redundant oil discharge pipeline connected with the outlet of the hydrogen-side sealing oil pump and the inlet of the air-side sealing oil pump and the control component are configured, the opening degree of the control component can be dynamically adjusted when the thermal power generating unit enters the hydrogen replacement working condition, the double-path oil discharge system is formed by using the natural pressure difference of the outlet of the hydrogen-side sealing oil pump, the excess oil in the hydrogen-side sealing oil tank is drained in real time, and the oil level is controlled in the safe interval, so that the problems in the related art, such as the un-timely air hydrogen-side sealing oil pressure balance adjustment, poor hydrogen-side oil return, and jamming of the automatic oil supplement and discharge valve of the sealing oil tank, can be solved, the hydrogen-side sealing oil tank is prevented from being filled with oil, the defoaming tank is prevented from being filled and overflowing, and the sealing oil is prevented from entering the generator, the technical effects of avoiding the pollution of the internal insulation material of the generator, the short circuit of the stator and rotor windings, and the rust of the iron core, reducing the non-planned shutdown loss and operation and maintenance cost of the unit, and ensuring the safe and stable operation of the unit under the hydrogen replacement working condition are achieved.

[0011] It should be understood that the content described in this part is not intended to identify the key or important features of the embodiments of the application, nor is it used to limit the scope of the application. Other features of the application will become apparent from the following description. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the application, the drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creating laborious work.

[0013] Figure 1 A flowchart of a method for preventing oil from entering a generator provided by an embodiment of the application; Figure 2 A flowchart of another method for preventing oil from entering a generator provided by an embodiment of the application; Figure 3 A flowchart of another method for preventing oil from entering a generator provided by an embodiment of the application; Figure 4A structural schematic diagram of a generator oil-preventing device provided by an embodiment of the present application. DETAILED DESCRIPTION

[0014] Exemplary embodiments of the present application are described herein below with reference to the accompanying drawings, which include various details of the embodiments of the present application to assist in understanding them. These should be considered in their context only as illustrative. Thus, those of ordinary skill in the art will recognize various changes and modifications that can be made to the embodiments described herein without departing from the scope and spirit of the present application. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

[0015] A method for preventing a generator from taking in oil, a device, an electronic device, and a storage medium are described below with reference to the accompanying drawings.

[0016] Figure 1 A flowchart of a method for preventing a generator from taking in oil provided by an embodiment of the present application.

[0017] As shown in Figure 1 , the method comprises the following steps: Step 101, configure a redundant oil discharge pipeline connecting the hydrogen-side sealing oil pump outlet and the air-side sealing oil pump inlet, and set a control component on the redundant oil discharge pipeline.

[0018] In some embodiments, during the construction of the sealing oil system of a thermal power generator unit, the configuration operation of the redundant oil discharge pipeline needs to be completed first. One end of the pipeline needs to be precisely connected to the hydrogen-side sealing oil pump outlet, which is the high-pressure output node of the hydrogen-side sealing oil circulation in the system and can provide a natural pressure driving force for oil flow, and is the key power source for subsequent auxiliary oil discharge. The other end of the pipeline needs to be connected to the air-side sealing oil pump inlet, which is the oil recovery port of the air-side sealing oil system, and can re-integrate the imported oil into the normal circulation process of the air-side sealing oil to avoid oil accumulation. When configuring the pipeline, a pipe material with the same material as the original sealing oil system pipeline and matching pressure rating needs to be selected, and a connection piece with standard sealing performance (such as a special sealing flange) needs to be used at the pipeline connection to prevent oil leakage during operation and affect the sealing performance and safety of the system. At the same time, a control component needs to be installed on the redundant oil discharge pipeline, and the control component can be selected in a suitable form according to actual operation and maintenance requirements. By constructing the redundant oil discharge pipeline and the control component, the limitation of the single oil discharge path of the original system is broken, an additional oil discharge channel is reserved in advance for the hydrogen-side sealing oil, and the ability of the sealing oil system to cope with special conditions is initially improved, providing a hardware foundation for quickly draining excess oil during subsequent hydrogen replacement.

[0019] Step 102, when the thermal power unit enters the hydrogen replacement working condition, the opening of the control assembly is adjusted dynamically according to the oil level of the hydrogen side sealing oil tank, so as to establish an auxiliary oil discharge path from the hydrogen side sealing oil pump outlet to the air side sealing oil pump inlet.

[0020] In some embodiments, when the thermal power unit enters the hydrogen replacement working condition, that is, a specific operation stage in which the hydrogen in the generator is gradually replaced by non-combustible gases such as air to meet the maintenance requirements after the unit is shut down, the oil level data of the hydrogen side sealing oil tank needs to be obtained in real time through the oil level monitoring device. In this working condition, the pressure difference in the system fluctuates frequently, and the original oil discharge path is prone to not discharging oil in time, so the oil level of the hydrogen side sealing oil tank is taken as the core control basis: when it is monitored that the oil level exceeds the upper limit of the preset safety interval (such as 65% of the effective volume of the oil tank, the specific value can be determined according to the design parameters of the unit sealing oil system), the opening adjustment of the control assembly on the redundant oil discharge pipeline is started. If the control assembly is in the form of a combination of a manual door and an automatic adjusting door, the automatic adjusting door can receive the signal transmitted by the oil level sensor, and automatically adapt the opening according to the oil level deviation. The higher the oil level, the larger the opening is adjusted to increase the oil discharge rate; if the oil level decreases to the safety interval (such as 35%-60%), the opening is gradually reduced or closed to avoid excessive oil discharge and damage to the system oil pressure balance; if the control assembly is only a manual door, the operation and maintenance personnel can manually rotate the door body to adjust the opening according to the real-time oil level data to ensure that the oil level is controllable. During the opening adjustment of the control assembly, the high-pressure oil at the hydrogen side sealing oil pump outlet will smoothly flow along the redundant oil discharge pipeline to the air side sealing oil pump inlet, thereby establishing an auxiliary oil discharge path parallel to the original oil discharge path to supplement the oil discharge capacity of the original path. This embodiment can realize precise and dynamic control of the auxiliary oil discharge path in the high-risk hydrogen replacement working condition, avoid disorderly rise of the oil level of the hydrogen side sealing oil tank, timely dredge the excess oil at the initial stage, lay a foundation for subsequent blocking of oil overflow to the defoaming tank, reduce the operation error of manual blind adjustment, and ensure the stability of the sealing oil system.

[0021] Step 103, the natural pressure difference at the hydrogen side sealing oil pump outlet is used to drive the sealing oil to flow along the auxiliary oil discharge path, forming a double-path oil discharge system parallel to the original oil discharge path.

[0022] In some embodiments, after the auxiliary oil discharge path is established, the sealing oil flow can be driven by the natural pressure difference between the hydrogen-side sealing oil pump outlet and the air-side sealing oil pump inlet: the hydrogen-side sealing oil pump is used to ensure the normal circulation of the hydrogen-side sealing oil system, and its outlet continuously maintains a certain working pressure during operation to meet the requirements of sealing oil film formation and oil circulation; while the air-side sealing oil pump inlet is the recovery end of the air-side sealing oil, and the pressure is relatively low, a stable pressure difference is naturally formed between the two, which is the natural driving force for oil flow. No additional power devices such as pumps need to be added, which simplifies the system structure and reduces energy consumption and failure risk. When the control components on the auxiliary oil discharge path are in an open state, the high-pressure sealing oil from the hydrogen-side sealing oil pump outlet will automatically flow to the air-side sealing oil pump inlet along the redundant oil discharge pipeline under the action of this natural pressure difference, realizing the autonomous drainage of oil. At this time, the original oil discharge path (which relies on the automatic oil discharge door of the sealing oil tank to discharge oil to the air-side sealing oil pump inlet) and the newly established auxiliary oil discharge path operate in parallel to form a dual-path oil discharge system, both paths pointing to the air-side sealing oil pump inlet and can simultaneously meet the oil discharge requirements of the hydrogen-side sealing oil tank, greatly improving the overall oil discharge capacity of the system. Relying on the natural pressure difference to drive oil flow eliminates the need for additional power sources, reducing system modification and operation and maintenance costs; the dual-path oil discharge system replaces the original single oil discharge path, significantly improving the oil discharge redundancy and efficiency during hydrogen replacement, and effectively avoiding the problem of rising oil level caused by poor single-path oil discharge.

[0023] Step 104: Real-time drainage of excess oil in the hydrogen-side sealing oil tank through the dual-path oil discharge system to control the oil level within a safe range and block the overflow path of oil to the defoaming tank.

[0024] In some embodiments, in the hydrogen replacement working condition of a thermal power generating unit, the double-path oil discharge system continuously works together to drain the excess oil in the hydrogen-side sealing oil tank in real time. The original oil discharge path relies on the automatic oil discharge door of the sealing oil tank to discharge oil to the air-side sealing oil pump inlet according to the conventional design of the system, while the auxiliary oil discharge path further accelerates the flow of oil to the air-side sealing oil pump inlet by means of the natural pressure difference of the hydrogen-side sealing oil pump outlet. The two paths work together to quickly remove the excess oil accumulated in the hydrogen-side sealing oil tank due to problems such as air-hydrogen-side oil pressure fluctuation and poor oil return. During the drainage process, the oil level monitoring device tracks the change of the oil level in the hydrogen-side sealing oil tank in real time to ensure that the oil level is always stable within the preset safety interval (the safety interval is set according to the volume, oil discharge capacity and hydrogen replacement working condition requirements of the unit sealing oil system, and is usually 30%-60% of the effective volume of the oil tank, which avoids both the impact of low oil level on sealing effect and the risk of oil overflow caused by high oil level). When the oil level in the hydrogen-side sealing oil tank is stably controlled within the safety interval, the channel for oil flowing to the generator defoaming tank due to oil tank overflow is cut off from the source, completely blocking the overflow path of oil to the defoaming tank, and preventing the defoaming tank from being filled with oil and causing sealing oil to enter the generator. In this embodiment, the excess oil in the hydrogen-side sealing oil tank can be removed in time through the double-path cooperative drainage, the oil level can be accurately controlled within the safety range, the overflow of oil to the defoaming tank can be effectively blocked, and the problems of subsequent defoaming tank full of oil and sealing oil entering the generator can be fundamentally avoided, thereby protecting the insulation performance of the generator, the stator and rotor windings and the core from being damaged by oil pollution, and reducing the non-scheduled shutdown and operation and maintenance costs of the unit.

[0025] Compared with related technologies, in the present embodiment, a redundant oil discharge pipeline connecting the hydrogen-side sealing oil pump outlet and the air-side sealing oil pump inlet is configured, and a control component is arranged on the redundant oil discharge pipeline. When the thermal power generating unit enters the hydrogen replacement working condition, the opening of the control component is adjusted dynamically according to the oil level in the hydrogen-side sealing oil tank to establish an auxiliary oil discharge path from the hydrogen-side sealing oil pump outlet to the air-side sealing oil pump inlet. The natural pressure difference of the hydrogen-side sealing oil pump outlet is used to drive the flow of sealing oil along the auxiliary oil discharge path, forming a double-path oil discharge system parallel to the original oil discharge path. The double-path oil discharge system drains the excess oil in the hydrogen-side sealing oil tank in real time, and controls the oil level within a safety interval to block the overflow path of oil to the defoaming tank. The problems of the defoaming tank being filled with oil and sealing oil entering the generator due to the hydrogen-side sealing oil tank being filled with oil can be solved, which avoids the pollution of the internal insulation materials of the generator, the short circuit of the stator and rotor windings, and the rusting of the core, reduces the non-scheduled shutdown loss and operation and maintenance costs of the unit, and ensures the safe and stable operation of the unit in the hydrogen replacement working condition.

[0026] Figure 2Another flowchart of the method for preventing oil from entering the generator is provided in the embodiments of the present application, and includes the following steps: Step 201, connecting the redundant oil discharge pipeline between the hydrogen-side sealing oil pump outlet and the air-side sealing oil pump inlet.

[0027] In some embodiments, the hydrogen-side sealing oil pump outlet is a high-pressure output end in the hydrogen-side sealing oil circulation system, which naturally maintains a certain working pressure during the operation of the unit, and this pressure characteristic is the key power source for subsequent auxiliary oil discharge; and the air-side sealing oil pump inlet is an oil recovery node of the air-side sealing oil system, which can reintroduce the imported oil into the normal circulation process of the air-side sealing oil, avoiding the disorderly accumulation of oil in the system. During the connection process, the pipe material consistent with the original sealing oil system pipe material and matching the pressure rating should be preferentially selected to ensure that the pipeline can stably withstand the working pressure of the hydrogen-side sealing oil pump outlet, prevent problems such as pipeline rupture and oil leakage caused by incompatible material or insufficient pressure resistance; at the same time, the connection between the two ends of the pipeline and the two interfaces needs to use special flanges with sealing gaskets and other connection components with standard sealing performance to ensure the sealing performance of the interface through standardized tightening process, eliminate the leakage of sealing oil from the interface during operation, and ensure the overall sealing effect of the system. In addition, the pipeline route needs to be planned in combination with the equipment layout of the unit sealing oil system to avoid the interference area of other equipment or pipelines, and sufficient maintenance space is reserved to provide convenience for subsequent operation and maintenance. This step builds the physical basis for redundant oil discharge, breaks the limitation of the original single oil discharge path, creates the necessary conditions for auxiliary oil discharge by using the pressure difference of the hydrogen-side sealing oil pump outlet in the hydrogen replacement condition, and initially improves the oil discharge redundancy of the sealing oil system.

[0028] Step 202, setting a switchable switching component on the redundant oil discharge pipeline, and the control component includes a manual door and an automatic adjusting door, the manual door is used for physical isolation in the conventional working condition, and the automatic adjusting door is used for dynamic flow control in the hydrogen replacement working condition.

[0029] In some embodiments, after the connection of the redundant oil discharge pipeline with the outlet of the hydrogen-side seal oil pump and the inlet of the air-side seal oil pump is completed, a switchable switching assembly is installed on the redundant oil discharge pipeline, which specifically includes a manual door and an automatic adjusting door arranged in series to realize complementary functions. The manual door needs to be selected from a valve type that matches the pressure rating of the redundant oil discharge pipeline and meets the sealing performance standards. Its core function focuses on the conventional working condition, that is, when the unit is normally operating and the auxiliary oil discharge function is not needed, the manual door is completely closed to realize the physical isolation of the redundant oil discharge pipeline and the original seal oil system, avoid the flow of oil in the redundant pipeline, prevent interference with the established oil pressure balance and oil circulation path of the original system, and ensure the stable operation of the seal oil system according to the original design under conventional working conditions. At the same time, it can also be used as an emergency control means when the automatic adjusting door fails to ensure the controllability of the pipeline on-off. The automatic adjusting door needs to be selected from a valve with precise opening degree adjustment capability. Its function is designed for the hydrogen replacement working condition: when the unit enters the hydrogen replacement stage, the automatic adjusting door can cooperate with the feedback information of the oil level monitoring to dynamically adjust the valve opening degree according to the preset oil level control requirements. If the oil level exceeds the safety range, the automatic adjusting valve opening degree is increased to increase the oil discharge rate and quickly dredge the excess oil in the hydrogen-side seal oil tank. If the oil level falls within the safety range, the opening degree is gradually reduced or closed to avoid excessive oil discharge to break the system oil pressure balance, thereby realizing precise and dynamic control of the auxiliary oil discharge flow to adapt to the real-time requirements of oil level fluctuation under the hydrogen replacement working condition. Through the functional division of the manual door and the automatic adjusting door, the switching assembly not only ensures the stable operation of the original system under conventional working conditions, but also meets the demand for dynamic regulation and control of oil discharge flow under the hydrogen replacement working condition, taking into account the system stability and working condition adaptability, and providing key control support for the reliable use of the auxiliary oil discharge path.

[0030] Step 203, real-time monitoring of the oil level change rate of the hydrogen-side seal oil tank, when the oil level change rate exceeds the preset oil level change rate threshold, the automatic adjusting door is preferentially used for continuous opening degree adjustment.

[0031] In some embodiments, a high-precision oil level sensor is deployed on the hydrogen side of the sealed oil tank to collect real-time data on the oil level in the tank. The collection frequency needs to adapt to the rapid fluctuation characteristics that may occur in the oil level under hydrogen replacement conditions. Then, through a data processing module, the change in the oil level per unit time, i.e., the oil level change rate, is calculated. This change rate can more sensitively capture abnormal trends in the oil level than the absolute value of the oil level alone, providing early warning of the risk of rapid rise or fall in the oil level, and avoiding missing the early intervention opportunity due to monitoring only the absolute value of the oil level. At the same time, a reasonable oil level change rate threshold needs to be preset according to the design parameters of the unit's sealed oil system (such as the volume of the hydrogen side of the sealed oil tank, the maximum oil discharge capacity of the original oil discharge path, and the pressure fluctuation range during hydrogen replacement). This threshold needs to be verified through working condition simulation to ensure that it does not cause delayed response due to being too wide, nor does it cause false triggering due to being too narrow. When the monitored oil level change rate exceeds the preset threshold (such as the oil level rise rate exceeding 20 mm / min), the system will preferentially use the automatic regulating door on the redundant oil discharge pipeline for continuous opening degree adjustment: the automatic regulating door will receive real-time feedback signals of the oil level change rate and dynamically adjust the valve opening degree according to the preset control logic; if the oil level rise rate is too fast, the opening degree will be quickly increased to increase the auxiliary oil discharge flow and quickly suppress the rising trend of the oil level; if the oil level rise rate slows down, the opening degree will be gradually reduced to avoid sudden drops in the oil level due to excessive oil discharge, which affects the stability of the hydrogen side of the sealed oil film; the entire adjustment process does not require human intervention, and the opening degree adjustment is in a continuous and gradual state, which can achieve more stable control of the oil level than intermittent adjustment. By monitoring the oil level change rate in real time and preferentially using the automatic regulating door for continuous adjustment, the abnormal fluctuation trend of the oil level under hydrogen replacement conditions can be detected earlier, the oil discharge flow can be controlled more quickly and accurately, and the risk of the oil level breaking through the safety interval due to rapid changes can be effectively avoided, further improving the timeliness and stability of the oil level control of the hydrogen side of the sealed oil tank, and reducing the risk of oil overflow into the defoaming tank.

[0032] Step 204, in the manual adjustment mode, the manual door is opened in stages according to the difference between the oil level and the upper limit of the safety interval.

[0033] In some embodiments, in the manual adjustment mode (which is usually used in the case of automatic adjustment door failure, signal anomaly or manual intervention control), the upper limit of the safe range of the hydrogen side sealing oil tank is first determined, which is based on the design volume of the unit sealing oil system, the hydrogen side oil return rate and the defoaming tank receiving capacity, for example, set to 60% of the effective volume of the oil tank as the core reference for judging whether to open the manual door and adjust the opening degree. Subsequently, the current oil level of the hydrogen side sealing oil tank is obtained in real time through the oil level monitoring device, the difference between the current oil level and the upper limit of the safe range is calculated, and then the manual door on the redundant oil discharge pipeline is opened in stages according to the size of the difference: when the difference is in a small range (for example, the current oil level is 10%-20% lower than the upper limit of the safe range, i.e. the oil level is in the 50%-54% range), only the manual door is opened to 1 / 4-1 / 3 opening degree, and the oil is slowly drained through a small amount of oil to avoid breaking the system oil pressure balance due to too fast oil discharge, affecting the stability of the sealing oil film; when the difference is in a medium range (for example, the current oil level is 5%-10% lower than the upper limit of the safe range, i.e. the oil level is in the 54%-57% range), the manual door opening degree is adjusted to 1 / 3-2 / 3 to increase the oil discharge rate to speed up the drainage of excess oil and prevent the oil level from further approaching the upper limit; when the difference is very small (for example, the current oil level is within 5% of the upper limit of the safe range, i.e. the oil level is in the 57%-60% range) or has slightly exceeded the upper limit, the manual door is immediately opened to the maximum opening degree (e.g. 2 / 3-full opening) to quickly reduce the oil level with the maximum oil discharge capacity to avoid continuous accumulation of oil. During the entire operation process, the oil level change needs to be continuously monitored, and when the oil level falls to the middle of the safe range (e.g. around 45%), the manual door opening degree is gradually reduced, and finally the oil level is stabilized within the safe range. By adjusting the manual door in stages according to the difference between the oil level and the upper limit of the safe range, precise oil discharge control can be achieved under manual operation, which not only avoids the imbalance of oil pressure caused by blind valve opening, but also matches the corresponding oil discharge capacity according to the oil level risk level, effectively preventing the hydrogen side sealing oil tank from exceeding the upper limit of the oil level, further blocking the possibility of oil overflow to the defoaming tank, and improving the operation reliability in the manual adjustment mode.

[0034] In step 205, the difference between the hydrogen side sealing oil pump outlet pressure and the air side sealing oil pump inlet pressure is calculated to ensure that the difference is maintained within a preset difference threshold to achieve effective oil discharge.

[0035] In some embodiments, high-precision pressure sensors are installed at the corresponding positions of the hydrogen-side seal oil pump outlet and the air-side seal oil pump inlet, respectively, wherein the sensor of the hydrogen-side seal oil pump outlet is used to collect the high-pressure oil pressure of the node in real time, and the sensor of the air-side seal oil pump inlet is used to collect the low-pressure oil pressure of the recovery node. The two sensors need to be linked with the data processing unit, and through the preset calculation logic in the unit, the pressure difference between the two is obtained in real time. The pressure difference here is the core power basis for ensuring the effective oil discharge of the auxiliary oil discharge path, and the difference needs to be maintained within the preset threshold. The setting of the threshold needs to be determined in combination with the pipe diameter, length, resistance along the way of the redundant oil discharge pipeline and the oil discharge demand of the hydrogen-side seal oil tank. For example, it is usually preset to be 0.2-0.4 MPa, which needs to ensure that the difference is enough to overcome the pipe resistance and smoothly push the seal oil to flow to achieve effective oil discharge, and also needs to avoid that the difference is too large to cause the oil discharge rate to be too fast, break the overall oil pressure balance of the air and hydrogen-side seal oil systems, or cause the stability of the hydrogen-side seal oil film to decrease. In the real-time monitoring process, if it is found that the pressure difference is lower than the lower limit of the preset threshold, it is necessary to timely check whether there are problems such as blockage of the redundant oil discharge pipeline, insufficient opening of the switching assembly, etc., and to increase the difference by adjusting the opening of the automatic adjusting door or checking the smoothness of the pipeline; if the difference is higher than the upper limit of the preset threshold, the opening of the automatic adjusting door or the manual door is appropriately reduced to reduce the oil discharge rate to balance the pressure, so as to always control the difference within the preset range, ensure that the auxiliary oil discharge path has sufficient and stable oil discharge power, and avoid the risk of causing the hydrogen-side seal oil tank to rise due to insufficient power and unsmooth oil discharge. By real-time calculation and maintenance of the preset pressure difference, stable and sufficient power support is provided for the auxiliary oil discharge path, which can not only ensure that the excess oil is smoothly discharged, but also avoid the interference of pressure imbalance on the seal oil system, further ensuring the reliable operation of the double-path oil discharge system and reducing the possibility of abnormal rise of the hydrogen-side seal oil tank.

[0036] Step 206, when it is detected that the difference is lower than the preset difference threshold, the valve opening of the air-side seal oil pump inlet is adjusted to increase the difference to the safe interval.

[0037] In some embodiments, in the hydrogen displacement mode, when the pressure difference between the hydrogen side seal oil pump outlet and the air side seal oil pump inlet is detected by the pressure sensor in real time and is lower than the preset difference threshold (the threshold is set according to the redundancy oil discharge pipeline resistance and the required oil discharge rate, and is usually 0.2-0.4 MPa, to ensure that the seal oil can flow smoothly), the difference value needs to be increased to the safe interval by adjusting the valve opening of the air side seal oil pump inlet. The air side seal oil pump inlet valve is a key component for controlling the inflow of the air side oil source, and its opening directly affects the pressure at the inlet. When the valve opening decreases, the oil flow into the air side seal oil pump decreases, the oil accumulation at the inlet decreases, and the pressure decreases. The pressure difference between the hydrogen side seal oil pump outlet and the air side seal oil pump inlet will increase. During operation, the air side seal oil pump inlet valve needs to be slowly closed by adjusting the valve knob or the control interface, and the pressure difference needs to be monitored in real time by the pressure sensor to avoid the pressure difference rising too fast and exceeding the safe upper limit (such as exceeding 0.4 MPa), which will break the oil pressure balance of the air side seal oil system. When the difference value returns to the preset safe interval (such as 0.2-0.4 MPa), stop adjusting the valve, and continuously monitor the stability of the difference value to ensure that the auxiliary oil discharge path always has enough power to discharge the excess oil in the hydrogen side seal oil tank, and prevent the oil discharge from being insufficient due to insufficient power, which will cause the oil level to rise. By adjusting the opening of the air side seal oil pump inlet valve, the pressure difference can be quickly restored without changing the hydrogen side system, which is convenient and fast in response, can ensure the effective power of the auxiliary oil discharge path in time, avoid oil discharge failure caused by insufficient difference, and further reduce the risk of full oil in the hydrogen side seal oil tank and oil overflow to the defoaming tank.

[0038] In step 207, a combined control strategy of differential pressure valve and balance valve is adopted. When the total oil discharge flow of the double-path oil discharge cannot meet the oil level drop rate requirement, the hydrogen side seal oil manual discharge needle valve auxiliary oil discharge is started.

[0039] In some embodiments, the combined control strategy of the differential pressure valve and the balance valve is first enabled, wherein the core function of the differential pressure valve is to maintain a preset reasonable pressure difference (usually 0.05-0.1 MPa, the specific value is determined according to the design parameters of the unit sealing oil system) between the air side sealing oil pressure and the hydrogen side sealing oil pressure, to avoid continuous hydrogen side oil flow due to excessive pressure difference, and to reduce the additional amount of oil in the hydrogen side sealing oil tank; the balance valve adjusts its opening degree in real time according to the feedback signals of the air and hydrogen side oil pressure, to compensate for the possible hysteresis of the differential pressure valve adjustment, further optimize the balance accuracy of the air and hydrogen side oil pressure, and reduce the oil discharge burden of the double-path oil discharge system from the source. At the same time, the actual oil level drop rate of the hydrogen side sealing oil tank is calculated in real time by the oil level monitoring device, and compared with the preset oil level drop rate threshold (the threshold is set according to the maximum allowed oil accumulation in the hydrogen side oil tank under the hydrogen replacement condition and the oil discharge safety period, for example, 5-8 mm per minute). If the actual oil level drop rate is continuously lower than the preset threshold, and it is confirmed that the valves of the double-path oil discharge system (original oil discharge path + redundant oil discharge path) are opened to the maximum and the pipeline is not blocked, it is determined that the total oil discharge flow of the double-path oil discharge system cannot meet the demand, and the hydrogen side sealing oil manual oil discharge needle valve needs to be started. The valve is pre-installed in the low-position oil discharge interface of the hydrogen side sealing oil tank and has fine opening degree adjustment characteristics. The operator slowly opens the valve (initial opening degree 1 / 5-1 / 4), and gradually adjusts the opening degree according to the oil level drop rate until the oil level drop rate meets the standard. After the oil level is stable, the valve is gradually closed to avoid low oil level affecting the sealing. Through the double measures of "controlling the increment and supplementing the discharge", the oil liquid increment is reduced and the oil discharge capacity is supplemented, effectively solving the problem of insufficient double-path oil discharge, further ensuring the stability of the oil level in the hydrogen side oil tank, completely blocking the overflow of oil liquid to the defoaming tank, and improving the safety of the system.

[0040] Figure 3 The flowchart of another method for preventing oil from entering the generator provided by the embodiments of the present application includes the following steps: Step 301, a redundant oil discharge pipeline connecting the hydrogen side sealing oil pump outlet and the air side sealing oil pump inlet is configured, and a control component is arranged on the redundant oil discharge pipeline.

[0041] Step 302, when the thermal power unit enters the hydrogen replacement condition, the opening degree of the control component is adjusted dynamically according to the oil level of the hydrogen side sealing oil tank, to establish an auxiliary oil discharge path from the hydrogen side sealing oil pump outlet to the air side sealing oil pump inlet.

[0042] Step 303, the natural pressure difference of the hydrogen side sealing oil pump outlet is used to drive the sealing oil to flow along the auxiliary oil discharge path, forming a double-path oil discharge system parallel to the original oil discharge path.

[0043] Step 304, the redundant oil liquid in the hydrogen side sealing oil tank is discharged in real time through the double-path oil discharge system, to control the oil level in the safe interval and block the overflow path of the oil liquid to the defoaming tank.

[0044] For steps 301-304, refer to the description of steps 101-104 in the above embodiment. This embodiment will not be described again.

[0045] Step 305, monitor the regulating performance of the pressure difference valve and the balance valve. When it is detected that the valve core is stuck, causing the sealing oil pressure difference to fluctuate beyond the preset fluctuation threshold, switch to the manual door full open mode and trigger an alarm signal.

[0046] In some embodiments, in the hydrogen replacement working condition of a thermal power unit, the pressure difference valve and the balance valve are the core components for maintaining the dynamic balance of the air hydrogen side sealing oil pressure, and their regulating performance directly determines whether the sealing oil will abnormally flow to the hydrogen side. Therefore, the regulating performance of the two valves needs to be continuously monitored. In the specific monitoring process, through a high-precision pressure difference sensor installed on the air hydrogen side sealing oil pipeline, the pressure difference data of the oil on both sides is collected in real time. At the same time, a valve action feedback module is connected (which can obtain real-time feedback signals of valve opening, driving mechanism running current and displacement signals), the valve regulating state is comprehensively judged, and under normal circumstances, when the air hydrogen side sealing oil pressure difference deviates from the preset stable value (such as 0.05-0.1 MPa), the pressure difference valve should quickly adjust the valve core opening to compensate for the pressure difference deviation, and the balance valve should simultaneously fine-tune and assist in correction, to ensure that the pressure difference is always in the stable interval. If the valve core is stuck, the valve cannot smoothly act according to the pressure difference, which will cause the pressure difference to frequently deviate from the set value, forming a fluctuation beyond the allowed range of the system.

[0047] The preset fluctuation threshold value herein is set in combination with the stable operation demand of the unit sealing oil system and the hydrogen replacement working condition characteristics, for example, the pressure difference fluctuation range of the normal operation of the air hydrogen side sealing oil is referenced, the threshold value is set as ±0.02 MPa (that is, the pressure difference fluctuation amplitude in unit time exceeds 0.04 MPa), when it is monitored that the sealing oil pressure difference fluctuation continuously exceeds the threshold value, and after reasonable factors such as hydrogen pressure normal adjustment, slight fluctuation of the oil pump output pressure are excluded through system troubleshooting, it is determined that the valve core sticking causes the abnormal adjustment performance. At this time, the manual door full opening mode on the redundant oil discharge pipeline needs to be switched immediately - by fully opening the manual door, the oil discharge capacity of the auxiliary oil discharge path is maximized, the excess oil liquid accumulated in the hydrogen side sealing oil tank due to the pressure difference fluctuation is quickly dredged, and the continuous rise of the oil level with the abnormal pressure difference is avoided; at the same time, the alarm signal (such as sound and light alarm, pop-up prompt of the operation and maintenance terminal) of the central control system is triggered, the operation and maintenance personnel are reminded in time to go to the scene to disassemble and clean the stuck valve core, lubricate the parts or replace the faulty parts, to prevent the stuck problem from affecting the oil pressure balance for a long time, and to ensure that the sealing oil system can still maintain the oil level stable through the auxiliary oil discharge during the fault handling period. By detecting the sealing oil pressure difference fluctuation, the valve core sticking fault of the pressure difference valve and the balance valve can be identified in time, the oil discharge capacity is ensured by fully opening the manual door, and the operation and maintenance are quickly linked through the alarm signal, to avoid the pressure difference out of control and the oil level rising due to the valve fault, further block the risk of oil overflow to the defoaming tank, and improve the system fault response capability.

[0048] Figure 4 A structure diagram of a generator oil inlet prevention device provided by an embodiment of the present application is shown in FIG. 1, which comprises a configuration module 401, an adjustment module 402, a driving module 403 and a dredging module 404. Figure 4

[0049] The configuration module 401 is configured to configure a redundant oil discharge pipeline connected between the hydrogen side sealing oil pump outlet and the air side sealing oil pump inlet, and set a control component on the redundant oil discharge pipeline. The adjustment module 402 is configured to dynamically adjust the opening degree of the control component according to the oil level of the hydrogen side sealing oil tank when the thermal power generating unit enters the hydrogen replacement working condition, so as to establish an auxiliary oil discharge path from the hydrogen side sealing oil pump outlet to the air side sealing oil pump inlet. The driving module 403 is configured to drive the sealing oil to flow along the auxiliary oil discharge path by using the natural pressure difference of the hydrogen side sealing oil pump outlet, so as to form a double-path oil discharge system parallel to the original oil discharge path. The dredging module 404 is configured to dredge the excess oil liquid in the hydrogen side sealing oil tank in real time through the double-path oil discharge system, so as to control the oil level in the safety interval to block the overflow path of the oil liquid to the defoaming tank.

[0050] ​In some examples of the present embodiment, the configuration module 401 is specifically configured to connect a redundant oil discharge pipeline between the hydrogen-side sealed oil pump outlet and the air-side sealed oil pump inlet; a switchable switching component is arranged on the redundant oil discharge pipeline, and the control component includes a manual door and an automatic adjusting door, the manual door is used for physical isolation in a conventional working condition, and the automatic adjusting door is used for dynamic flow control in a hydrogen replacement working condition.

[0051] In some examples of the present embodiment, the adjustment module 402 is specifically configured to monitor the oil level change rate of the hydrogen-side sealed oil tank in real time, and when the oil level change rate exceeds a preset oil level change rate threshold, the automatic adjusting door is preferentially used for continuous opening degree adjustment; in a manual adjusting mode, the manual door is opened in stages according to the difference between the oil level and the upper limit of the safety interval.

[0052] In some examples of the present embodiment, the driving module 403 is specifically configured to ensure that the difference between the hydrogen-side sealed oil pump outlet pressure and the air-side sealed oil pump inlet pressure is maintained within a preset difference threshold to achieve effective oil discharge by calculating the difference. When it is detected that the difference is lower than the preset difference threshold, the valve opening degree of the air-side sealed oil pump inlet is adjusted to improve the difference to a safety interval.

[0053] In some examples of the present embodiment, the dredging module 404 is specifically configured to adopt a joint control strategy of a differential pressure valve and a balance valve, and when the total oil discharge flow of the double-path oil discharge cannot meet the oil level drop rate requirement, a hydrogen-side sealed oil manual oil discharge needle valve is started to assist oil discharge.

[0054] It should be noted that other corresponding descriptions of the functions of the device for preventing the generator from entering oil provided in the present embodiment can be referred to the corresponding descriptions in Figure 1 、 Figure 2 and Figure 3 , which will not be described here in detail.

[0055] Based on the above-mentioned method for preventing the generator from entering oil as shown in Figure 1 、 Figure 2 and Figure 3 , accordingly, the present embodiment also provides a computer readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the above-mentioned method for preventing the generator from entering oil as shown in Figure 1 、 Figure 2 and Figure 3 .

[0056] Based on the above-mentioned method for preventing the generator from entering oil as shown in Figure 1 、 Figure 2 and Figure 3 , accordingly, the present embodiment also provides a computer program product having a computer program stored thereon, which, when executed by a processor, implements the above-mentioned method for preventing the generator from entering oil as shown inFigure 1 、 Figure 2 and Figure 3 A method for preventing oil from entering a generator.

[0057] Based on the understanding, the technical solution of the present application can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a U disk, a mobile hard disk, etc.), and includes a plurality of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the method of various implementation scenarios of the present application.

[0058] Based on the above as Figure 1 、 Figure 2 and Figure 3 A method for preventing oil from entering a generator, and Figure 4 The virtual device embodiment shown in the above, in order to achieve the above purpose, the embodiments of the present application also provide an electronic device, such as a personal computer, a server, the device includes a storage medium and a processor; the storage medium is used for storing computer programs; the processor is used for executing computer programs to realize the above as Figure 1 、 Figure 2 and Figure 3 A method for preventing oil from entering a generator.

[0059] In some embodiments, the above entity device can also include a user interface, a network interface, a camera, a radio frequency (Radio Frequency, RF) circuit, a sensor, an audio circuit, a WI-FI module, etc. The user interface can include a display screen (Display), an input unit such as a keyboard (Keyboard), etc. The optional user interface can also include a USB interface, a card reader interface, etc. The network interface can include a standard wired interface, a wireless interface (such as a WI-FI interface), etc. in some embodiments.

[0060] The storage medium can also include an operating system, a network communication module. The operating system is a program that manages the hardware and software resources of the above entity device, supports the running of information processing programs and other software and / or programs. The network communication module is used to realize the communication between the components in the storage medium, and the communication with other hardware and software in the information processing entity device.

[0061] It has to be noted that, in the present document, relational terms are intended only to convey a possible relationship between elements or

[0062] The above detailed description merely describes exemplary embodiments of the application, and alternatives are within the scope of the claims and within the scope of general knowledge of those skilled in the art. The exclusive use of the words such as "first", "second" or "third" does not give these elements any priority, but serves only to distinguish one element from another. The indefinite articles "a" or "an" do not exclude the plurality. The singular forms "a", "an" and "the" include plural references unless the context clearly dictates otherwise. The term "comprises" and variations thereof do not exclude the presence of elements or steps other than those stated in a claim. The indefinite article "a" or "an" preceding the embodiment does not exclude the presence of a plurality of such elements, but a plurality is also covered if more than one exists. The terms "comprise", "comprising", "comprises" and "comprising" should be interpreted as referring to a collection of one or more elements that also include elements which are not recited. The term "consisting of" should be interpreted as a closed collection that does not include any elements other than those recited. The term "consisting essentially of should be interpreted as a closed collection that does not include any elements other than those recited, and that, if appropriate, will include trace amounts of impurities that do not significantly affect the essential nature of the collection. The use of the term "about" in relation to a reference number means that the number is accurate within a range of plus or minus 10%.

Claims

1. A method of preventing oil ingress into a generator, the method comprising: The application relates to a sealing oil discharge system for a hydrogen replacement unit of a thermal power generating unit. The application comprises the following steps: a redundant oil discharge pipeline is arranged to connect the outlet of a hydrogen-side sealing oil pump and the inlet of an air-side sealing oil pump, and a control component is arranged on the redundant oil discharge pipeline; when the thermal power generating unit enters a hydrogen replacement condition, the opening degree of the control component is dynamically adjusted according to the oil level of the hydrogen-side sealing oil tank, so as to establish an auxiliary oil discharge path from the outlet of the hydrogen-side sealing oil pump to the inlet of the air-side sealing oil pump; the natural pressure difference of the outlet of the hydrogen-side sealing oil pump is utilized to drive the sealing oil to flow along the auxiliary oil discharge path, so that a double-path oil discharge system parallel to the original oil discharge path is formed; 2. The method of preventing oil ingress into a generator of claim 1, wherein, the double-path oil discharge system is utilized to discharge the excessive oil in the hydrogen-side sealing oil tank in real time, so that the oil level is controlled in a safety interval to block the overflow path of the oil to a defoaming tank. The application comprises the following steps: a redundant oil discharge pipeline is arranged to connect the outlet of a hydrogen-side sealing oil pump and the inlet of an air-side sealing oil pump, and a control component is arranged on the redundant oil discharge pipeline; 3. The method of preventing oil ingress into a generator of claim 1, wherein, the redundant oil discharge pipeline is connected between the outlet of the hydrogen-side sealing oil pump and the inlet of the air-side sealing oil pump; a switchable switch component is arranged on the redundant oil discharge pipeline, the control component comprises a manual door and an automatic adjusting door, the manual door is used for physical isolation in a normal condition, and the automatic adjusting door is used for dynamic flow control in a hydrogen replacement condition. The application comprises the following steps:

4. The method of preventing oil ingress into a generator of claim 1, wherein, the oil level change rate of the hydrogen-side sealing oil tank is monitored in real time, when the oil level change rate exceeds a preset oil level change rate threshold, the automatic adjusting door is preferentially used for continuous opening degree adjustment; in a manual adjusting mode, the manual door is opened in stages according to the difference between the oil level and the upper limit of the safety interval. The application comprises the following steps:

5. The method of preventing oil ingress into a generator of claim 1, wherein, the difference between the outlet pressure of the hydrogen-side sealing oil pump and the inlet pressure of the air-side sealing oil pump is calculated, and the difference is ensured to be maintained in a preset difference threshold to realize effective oil discharge; when the difference is detected to be lower than the preset difference threshold, the valve opening degree of the inlet of the air-side sealing oil pump is adjusted to improve the difference to a safety interval.

6. The method of preventing oil ingress into a generator of claim 5, wherein, The application comprises the following steps: a differential pressure valve and a balance valve are used in a joint control strategy, when the total flow of the double-path oil discharge cannot meet the oil level drop rate requirement, a hydrogen-side sealing oil manual oil discharge needle valve is started to assist oil discharge.

7. An oil intrusion prevention device for an electric generator, comprising: The joint control strategy of the differential pressure valve and the balance valve further comprises the following steps: the adjusting performance of the differential pressure valve and the balance valve is monitored, when it is detected that the valve core is stuck to cause the sealing oil pressure difference to fluctuate and exceed a preset fluctuation threshold, a manual door full opening mode is switched to and an alarm signal is triggered. The application comprises the following steps: a configuration module is configured to arrange a redundant oil discharge pipeline to connect the outlet of a hydrogen-side sealing oil pump and the inlet of an air-side sealing oil pump, and to arrange a control component on the redundant oil discharge pipeline; an adjusting module is configured to dynamically adjust the opening degree of the control component according to the oil level of the hydrogen-side sealing oil tank when a thermal power generating unit enters a hydrogen replacement condition, so as to establish an auxiliary oil discharge path from the outlet of the hydrogen-side sealing oil pump to the inlet of the air-side sealing oil pump; The driving module is configured to drive the sealing oil to flow along the auxiliary oil discharge path by using the natural pressure difference of the hydrogen-side sealing oil pump outlet, forming a double-path oil discharge system parallel to the original oil discharge path. The drainage module is configured to drain the excess oil in the hydrogen-side sealing oil tank in real time through the double-path oil discharge system, and control the oil level in a safe range to block the overflow path of the oil to the defoaming tank.

8. An electronic device, comprising: The method comprises the following steps: at least one processor; and a memory connected in communication with the at least one processor; wherein the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to execute the method for preventing the generator from being filled with oil according to any one of claims 1-6.

9. A non-transitory computer-readable storage medium having stored thereon computer instructions, wherein, The computer instructions are used to enable the computer to execute the method for preventing the generator from being filled with oil according to any one of claims 1-6.

10. A computer program product, characterised in that, The computer program, when executed by a processor, implements the method for preventing the generator from being filled with oil according to any one of claims 1-6.

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