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企业级数智化电能

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DIGITAL ENERGY SOLUTION

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Integrated Transformer Online Monitoring System

STQOM-9000

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System Overview
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Transformers are important equipment for voltage level transformation and connection to the power grid in the power system. Ensuring their normal operation is an important prerequisite for ensuring the safe and stable operation of the power grid.

The STQOM-9000 Transformer Online Monitoring System obtains several key parameters of the transformer's operating status in real time, including on load tap changer, dissolved gas in oil, grounding current of iron core and clamp, partial discharge, winding temperature measurement, dynamic load and bushing status monitoring. It also comprehensively monitors sudden transient faults and slowly developing latent faults inside the transformer, and achieves comprehensive monitoring of the transformer from different perspectives of electricity, heat, force, and chemistry. By monitoring a large amount of real-time data such as partial discharge, oil and gas, and temperature online, combined with offline input parameters such as transformer structure and factory tests, internal fault analysis and status evaluation of transformers are completed, achieving comprehensive evaluation of transformer operation status and forming effective evaluation and diagnostic results. To provide scientific and effective reference for operation and maintenance personnel, and to effectively extend equipment operation time, develop reasonable maintenance plans, and prevent the occurrence of sudden failures.

System Overview
——

The STQOM-9000 Transformer Online Monitoring System obtains several key parameters of the transformer's real time status, including on load tap changer, dissolved gas in oil, grounding current of iron core and clamp, partial discharge, winding temperature measurement, dynamic load and bushing status monitoring. It also comprehensively monitors sudden transient faults and slowly developing latent faults inside the transformer, and achieves comprehensive monitoring of the transformer from different perspectives of electricity, heat, force, and chemistry. By monitoring a large amount of real-time data like partial discharge, oil and gas temperature, combined with offline input parameters such as transformer structure and factory tests, internal fault analysis and status evaluation of transformers are completed, achieving comprehensive evaluation of transformer operation status and forming effective evaluation and diagnostic results. To provide scientific and effective reference for operation and maintenance personnel, and to effectively extend equipment operation time, develop reasonable maintenance plans, and prevent the occurrence of sudden failures.

System Characteristics
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System Characteristics
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Software Function

User Management Site Management Account Management Terminal Management Acquisition and processing procedures Alarm Configuration

Safety Service

User management

User management is required for the backend, including managing user usernames, passwords, and other information, which requires control

Safety Service

Site Management

Manage substation related information, including name, voltage level, country, etc

Safety Service

Ledger management

Manage the relevant interval equipment of the substation, such as station interval equipment (transformers, lightning arresters, reactors, etc.); Manage online monitoring equipment, such as transformer online monitoring, lightning arrester online monitoring, etc.

Safety Service

Terminal management

Manage all IEDs of the substation, including online monitoring of transformers, lightning arresters, reactors, etc

Safety Service

Collection processing program

Collect IED data using the 104 protocol, match the data with the point number, and parse it into the database. Process and analyze data to determine alarms, call algorithms to obtain results, and classify them on the device