CN104865524A - Main transformer air cooling control system potential fault active processing method - Google Patents
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Abstract
一种主变风冷控制系统潜在故障主动处置方法：根据主变风冷系统中电机组数量和运行参数和常规运行负荷，设计和设置相应的冷却机组模块；常规运行时，由独立的监测通道实时监测对应电机运行参数（电压、电流，相序等）；为每个电机设置日常运行基线指标，由信号处理单元将运行数据分为“正常”、“注意”、“异常”、“故障”四组，根据该指标定义“注意”、“异常”报警；当被监测电机运行指标超过相应的报警指标即触发警示信息时，该信息将通过可编程逻辑设备进行综合判断并输出到人机接口、远传通道或者对应的执行设备进行处理。
A method for active handling of potential faults in the air-cooled control system of the main transformer: according to the number of motor units in the air-cooled system of the main transformer, the operating parameters and the normal operating load, design and set up the corresponding cooling unit modules; during normal operation, an independent monitoring channel Real-time monitoring of corresponding motor operating parameters (voltage, current, phase sequence, etc.); set daily operation baseline indicators for each motor, and the signal processing unit divides the operating data into "normal", "attention", "abnormal" and "fault" Four groups, according to the indicators to define "attention" and "abnormal"alarms; when the monitored motor operation indicators exceed the corresponding alarm indicators and the warning information is triggered, the information will be comprehensively judged by the programmable logic device and output to the man-machine interface , remote transmission channel or the corresponding execution device for processing.
Description
技术领域 technical field
本发明涉及风冷控制系统，尤其是涉及一种主变风冷控制系统潜在故障主动处置方法。 The invention relates to an air-cooling control system, in particular to a method for actively handling potential faults of the main transformer air-cooling control system.
背景技术 Background technique
已知的主变风冷冷却机组没有预警机制，在风机组运行期间，仅仅分为“正常”、“故障”两个状态，在冷却机组出现严重故障时，整个风机组立即进入全切状态，非常影响生产。如果在风机组运行期间，能够提供可预警机制的方法，在风机组出现问题隐患，但还未影响风机组正常运转的情况下，使工作人员能够及时发现，在严重故障（电机保护器动作）发生前及时处理电机运行隐患。避免在高负荷到来时出现真正严重故障，影响生产。目前现有技术中还未出现此类预警机制。 The known main transformer air-cooled cooling unit does not have an early warning mechanism. During the operation of the fan unit, it is only divided into two states: "normal" and "fault". greatly affect production. If an early warning mechanism can be provided during the operation of the fan unit, when there is a problem with the fan unit but the normal operation of the fan unit has not been affected, the staff can find out in time, in case of a serious fault (motor protector action) Deal with hidden dangers of motor operation in time before occurrence. Avoid really serious failures that affect production when high loads arrive. There is no such early warning mechanism in the prior art.
发明内容 Contents of the invention
为了克服背景技术中的不足，本发明公开了一种主变风冷控制系统潜在故障预判方法。 In order to overcome the deficiencies in the background technology, the present invention discloses a method for predicting potential faults of a main transformer air-cooling control system.
为了实现所述发明目的，本发明采用如下技术方案：一种主变风冷控制系统潜在故障主动处置方法，该方法包含如下操作步骤： In order to achieve the purpose of the invention, the present invention adopts the following technical solution: a method for actively dealing with potential faults of the main transformer air-cooled control system, the method includes the following steps:
a) 在原有的主变风冷控制系统的监控单元上加入实时数据监测模块，根据风冷系统电机个数，进行一对一的三相交流电压、电流、波动幅值参数的实时监测； a) Add a real-time data monitoring module to the monitoring unit of the original main transformer air-cooling control system, and perform one-to-one real-time monitoring of three-phase AC voltage, current, and fluctuation amplitude parameters according to the number of motors in the air-cooling system;
b) 在软件系统上，实时接收实时数据监测模块发出实时数据，并将数据记录在存储器中； b) On the software system, the real-time receiving real-time data monitoring module sends real-time data, and records the data in the memory;
c) 根据风冷系统具体电机的近期运行数据，确定主变风冷控制系统电机的正常运行基线指标，设置两级预警标准，由信号处理单元将运行数据分为“正常”、“注意”、“异常”、“故障”四组； c) According to the recent operation data of the specific motor of the air-cooling system, determine the normal operation baseline index of the main transformer air-cooling control system motor, set two-level early warning standards, and the signal processing unit divides the operation data into "normal", "attention", "abnormal" and "fault" four groups;
d) 将接收的实时数据与日常数据对比判断主变风冷控制系统的运行状况，当被监测电机运行中出现预约“注意”基线标准的状态，将触发对应的预警机制；当实时数据“异常”状态时，具体工作机组电机出现“异常”报警信息，在有备用机组的情况下，主动停止工作机组； d) Comparing the received real-time data with the daily data to judge the operating status of the main transformer air-cooling control system, when the state of the baseline standard of "attention" occurs during the operation of the monitored motor, the corresponding early warning mechanism will be triggered; when the real-time data "abnormal" ” state, the motor of the specific working unit has an “abnormal” alarm message, and if there is a spare unit, it will actively stop the working unit;
e) 在步骤d）所述“异常”状态时的主动停止工作机组动作完成后，主动启动与停用机组数量相同的备用机组投入运行。 e) After the action of actively stopping the working unit in the "abnormal" state described in step d) is completed, actively start the standby unit with the same number as the disabled unit and put it into operation.
本发明所述步骤a）中的实时数据监测模块，采用智能传感器对风冷电机系统的每一台电机进行电量的实时测量和记录。 The real-time data monitoring module in step a) of the present invention uses smart sensors to measure and record the power of each motor in the air-cooled motor system in real time.
本发明所述步骤c）中的预警标准由编程设备和配套软件实现。 The early warning standard in step c) of the present invention is realized by programming equipment and supporting software.
由于采用了上述技术方案，本发明具有如下有益效果：根据主变风冷系统中电机组数量和运行参数和常规运行负荷，设计和设置相应的冷却机组模块；常规运行时，由独立的监测通道实时监测对应电机运行参数（电压、电流，相序等）；为每个电机设置日常运行基线指标，由信号处理单元将运行数据分为“正常”、“注意”、“异常”、“故障”四组，根据该指标定义“注意”、“异常”报警；当被监测电机运行指标超过相应的报警指标即触发警示信息时，该信息将通过可编程逻辑设备进行综合判断并输出到人机接口、远传通道或者对应的执行设备进行处理。 Due to the adoption of the above technical solution, the present invention has the following beneficial effects: according to the number of electrical units in the air-cooled system of the main transformer, the operating parameters and the normal operating load, design and set the corresponding cooling unit modules; during normal operation, the independent monitoring channel Real-time monitoring of corresponding motor operating parameters (voltage, current, phase sequence, etc.); set daily operation baseline indicators for each motor, and the signal processing unit divides the operating data into "normal", "attention", "abnormal" and "fault" Four groups, according to the indicators to define "attention" and "abnormal" alarms; when the monitored motor operation indicators exceed the corresponding alarm indicators and the warning information is triggered, the information will be comprehensively judged by the programmable logic device and output to the man-machine interface , remote transmission channel or corresponding execution device for processing.
采用这种方法的主变风冷控制系统，将提供每个电机的实时运行参数，以及日常运行基线指标，及时提供系统运行质量评估并预测存在的潜在故障，使工作人员在严重故障（电机保护器动作）发生前及时预知电机运行质量趋势。从而降低分级检修级别。所述预警标准由可编程设备和配套软件实现，可以多层次评估电机运行质量，补充了传统风冷系统采用的电机保护器非通即断的简单评估逻辑，在风冷电机出现真实故障前及时预判报警，并提供针对性检修参考，最大程度减小维修成本。 The air-cooled control system of the main transformer adopting this method will provide real-time operating parameters of each motor, as well as daily operation baseline indicators, timely provide system operation quality assessment and predict potential faults, so that the staff can prevent serious faults (motor protection) device action) to predict the running quality trend of the motor in time before it occurs. Thereby reducing the graded maintenance level. The early warning standard is realized by programmable equipment and supporting software, which can evaluate the operation quality of the motor at multiple levels. It will judge the alarm and provide targeted maintenance reference to minimize the maintenance cost.
附图说明 Description of drawings
图1是本发明主变风冷控制系统潜在故障主动处置方法的结构框图。 Fig. 1 is a structural block diagram of the method for proactively handling potential faults of the air-cooled control system of the main transformer according to the present invention.
图2是本发明主变风冷控制系统潜在故障主动处置方法的流程示意图。 Fig. 2 is a schematic flow chart of the method for proactively handling potential faults of the air-cooled control system of the main transformer according to the present invention.
具体实施方式 Detailed ways
通过下面的实施例可以详细的解释本发明，公开本发明的目的旨在保护本发明范围内的一切技术改进。 The present invention can be explained in detail through the following examples, and the purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention.
实施例 Example
a) 在原有的主变风冷控制系统的监控单元上加入实时数据监测模块，根据风冷系统电机个数，进行一对一的三相交流电压、电流、波动幅值参数的实时监测。 a) Add a real-time data monitoring module to the monitoring unit of the original main transformer air-cooling control system, and perform one-to-one real-time monitoring of three-phase AC voltage, current, and fluctuation amplitude parameters according to the number of motors in the air-cooling system.
b) 在软件系统上，实时接收实时数据监测模块发出实时数据，并将数据记录在存储器中。 b) On the software system, the real-time receiving real-time data monitoring module sends real-time data and records the data in the memory.
c) 根据风冷系统具体电机的近期运行数据，确定主变风冷控制系统电机的正常运行基线指标，设置两级预警标准，由信号处理单元将运行数据分为“正常”、“注意”、“异常”、“故障”四组；所述预警标准是根据具体电机实际的机械安装位置、老化程度以及安装地环境特点（如每日平均气温实际曲线）等具体工况综合评估得到的，配置灵活，可以兼容性强，适应性强。 c) According to the recent operation data of the specific motor of the air-cooling system, determine the normal operation baseline index of the main transformer air-cooling control system motor, set two-level early warning standards, and the signal processing unit divides the operation data into "normal", "attention", There are four groups of "abnormal" and "fault"; the early warning standard is obtained based on the comprehensive evaluation of specific working conditions such as the actual mechanical installation position of the specific motor, the degree of aging, and the environmental characteristics of the installation site (such as the actual curve of the daily average temperature). Flexible, compatible and adaptable.
d) 将接收的实时数据与日常数据对比判断主变风冷控制系统的运行状况，当被监测电机运行中出现预约“注意”基线标准的状态，将触发对应的预警机制，对电机相关部件进行“D级检修”；当实时数据“异常”状态时，具体工作机组电机出现“异常”报警信息，在有备用机组的情况下，主动停止工作机组，对工作机组进行“C级检修”。 d) Comparing the received real-time data with the daily data to judge the operating status of the main transformer air-cooling control system, when the state of the baseline standard of "attention" occurs during the operation of the monitored motor, the corresponding early warning mechanism will be triggered, and the related components of the motor will be monitored "D-level maintenance"; when the real-time data is "abnormal", the motor of the specific working unit will have an "abnormal" alarm message. If there is a spare unit, it will actively stop the working unit and perform "C-level maintenance" on the working unit.
e) 在步骤d）所述“异常”状态时的主动停止工作机组动作完成后，主动启动与停用机组数量相同的备用机组投入运行。 e) After the action of actively stopping the working unit in the "abnormal" state described in step d), actively start the standby unit with the same number as the disabled unit and put it into operation.
本发明未详述部分为现有技术。 The unspecified parts of the present invention are prior art.
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