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Online monitoring of partial discharge in transformers

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System Overview
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Transformers are one of the important equipment in substations, and their insulation status has always been an important detection object for operation and maintenance personnel. Partial discharge is a typical parameter that directly reflects the insulation fault of transformers. This system adopts a distributed bus structure, which can be divided into a partition layer, a process layer, and a station control layer. The UHF partial discharge sensor installed in the transformer oil discharge valve and the iron core grounding current sensor form the partition layer. The analog signal of the sensor is connected to the detection unit in the terminal cabinet next to the transformer. After signal conditioning and high data acquisition, it is digitized and processed, and the final result is sent to the backend data server for storage, analysis, display, and remote transmission.

System Overview
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Safety Service

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System Introduction

01. System parameters 02. Graphical data presentation 03. Operation of each spacer layer equipment 04. Handling the fault 05. Typical Atlas

Safety Service Including parameters such as real-time data storage interval, historical data storage time, startup screen, alarm mode, alarm time, calibration method, and calibration time interval;

01. System parameters

Including parameters such as real-time data storage interval, historical data storage time, startup screen, alarm mode, alarm time, calibration method, and calibration time interval;

Safety Service

Safety Service Display the operating conditions of the substation in a graphical or data format. For example, a system diagram wiring diagram, discharge data and graphs of each feeder line, etc;

02. Graphic data display

Display the operating conditions of the substation in a graphical or data format. For example, a system diagram wiring diagram, discharge data and graphs of each feeder line, etc;

Safety Service

Safety Service Reading or setting fixed values, timing, etc;

03. Operation of equipment in each compartment

Reading or setting fixed values, timing, etc;

Safety Service

Safety Service Handling of accident push screens, remote signal displacement flashing, stop sound alarms, and alarm messages;

04. Handle faults

Handling of accident push screens, remote signal displacement flashing, stop sound alarms, and alarm messages;

Safety Service

Safety Service Display typical spectra and compare on-site discharge spectra.

05. Typical Map

Display typical spectra and compare on-site discharge spectra.

Safety Service

System Introduction

01. System parameters

Including parameters such as real-time data storage interval, historical data storage time, startup screen, alarm mode, alarm time, calibration method, and calibration time interval;

Safety Service

02. Graphic data display

Display the operating conditions of the substation in a graphical or data format. For example, a system diagram wiring diagram, discharge data and graphs of each feeder line, etc;

Safety Service

03. Operation of equipment in each compartment

Reading or setting fixed values, timing, etc;

Safety Service

04. Handle faults

Handling of accident push screens, remote signal displacement flashing, stop sound alarms, and alarm messages;

Safety Service

05. Typical Map

Display typical spectra and compare on-site discharge spectra.

Safety Service

Specification parameters
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