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1. Observe and investigate fault phenomena.
The electrical fault phenomenon is varied. For example, the same type of fault may have different fault phenomena, which may have the same fault phenomenon, the identity and diversity of the fault phenomenon, and the complexity of finding fault. Fault phenomena, however, is the basic foundation of repair electrical fault, is the starting point of electrical troubleshooting, and therefore have to be careful observation and analysis of the fault phenomenon, find out the fault phenomenon in the main, the most typical aspects, find out the failure time, location, environment, etc.;
2. Preliminarily determine the fault range and reduce the fault location.
According to the fault phenomenon, the fault analysis is the key of electrical fault maintenance. The basis of the analysis is the basic theory of electrical and electronic equipment, which is a full understanding of the structure, principle and performance of electrical equipment, which is the combination of the basic theory of electrical engineering and the practical failure. There may be many reasons for an electrical fault, but it is important to find out the most important reasons for it.
3. Locate the fault location.
Determination of fault location is the final day and result of electrical failure and thrift. Determine the fault location can be interpreted to determine the equipment fault points, such as short-circuit point, the damaged components, etc, can also be understood to determine the variation of some operation parameters, such as voltage fluctuation, three-phase uneven Yang, etc. The fault location is determined on the basis of careful investigation and careful analysis of fault phenomena.
The electrical fault phenomenon is varied. For example, the same type of fault may have different fault phenomena, which may have the same fault phenomenon, the identity and diversity of the fault phenomenon, and the complexity of finding fault. Fault phenomena, however, is the basic foundation of repair electrical fault, is the starting point of electrical troubleshooting, and therefore have to be careful observation and analysis of the fault phenomenon, find out the fault phenomenon in the main, the most typical aspects, find out the failure time, location, environment, etc.;
2. Preliminarily determine the fault range and reduce the fault location.
According to the fault phenomenon, the fault analysis is the key of electrical fault maintenance. The basis of the analysis is the basic theory of electrical and electronic equipment, which is a full understanding of the structure, principle and performance of electrical equipment, which is the combination of the basic theory of electrical engineering and the practical failure. There may be many reasons for an electrical fault, but it is important to find out the most important reasons for it.
3. Locate the fault location.
Determination of fault location is the final day and result of electrical failure and thrift. Determine the fault location can be interpreted to determine the equipment fault points, such as short-circuit point, the damaged components, etc, can also be understood to determine the variation of some operation parameters, such as voltage fluctuation, three-phase uneven Yang, etc. The fault location is determined on the basis of careful investigation and careful analysis of fault phenomena.
