Intelligent comprehensive substation cable trench monitoring and protecting system

Abstract

The invention discloses an intelligent comprehensive substation cable trench monitoring and protecting system which comprises a monitoring workstation, a cable trench workstation and a plurality of distributed modules, wherein each distributed module is used for acquiring a state signal of a trench cable; the state signal is input to the cable trench workstation for processing, and the cable trench workstation processes an input signal and transmits the processed signal to the monitoring workstation. The cable trench workstation and the distributed modules are connected to a cable trench environment, and the monitoring workstation enters a monitoring work room. The wireless data communication is stable and smooth, the monitoring workstation can remotely and timely master temperature change conditions of each temperature monitoring point in the cable trench, data are automatically acquired, and the monitoring labor intensity is lightened; and moreover, a water level signal in the environment in which the trench cables are positioned is acquired by employing a water level sensor, and the water level change can be timely and accurately reflected. A smoke signal in the environment in which the trench cables are positioned is acquired by employing a smoke sensor, an alarm signal is timely output, and the intelligent monitoring and protecting can be realized.

Description

technical field [0001] The invention relates to the field of substation cable monitoring, in particular to an intelligent comprehensive monitoring and protection system for substation cable trenches. Background technique [0002] As the capacity of substations increases, the level of automation increases accordingly. Most of the substations in my country's power system have realized unattended substations. Due to the majority of outdoor substations in our country, more and more cables are used. The scale of cable trenches in substations is also becoming larger and more complex. Because they are located under the ground and inconvenient for maintenance, they often become a dead corner for substation safety, and bring a heavy burden to the work of substation operators, wasting manpower and material resources. Trench cable faults usually occur in a concealed and gradual manner. Once the symptoms of the accident are found, the loss is usually irreparable, and in severe cases, i...

AI Technical Summary

Problems solved by technology

The scale of cable trenches in substations is also becoming larger and more complex. Because they are located under the ground and inconvenient for maintenance, they often become a dead corner for substation safety, and bring a heavy burden to the work of substation operators, wasting manpower and material resources

Trench cable faults usually occur in a concealed and gradual manner. Once the symptoms of the accident are discovered, the loss is usually irreparable, and in severe cases, it will also affect the safe production and operation of the substation.

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