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Integrated intelligent assembly of power transformer

A technology for power transformers and intelligent components, applied in the field of power transformers, can solve the problems of single device, low repetition of transformer status data and low utilization rate, and lack of comprehensive diagnosis and evaluation of transformers.

Active Publication Date: 2014-02-12
STATE GRID CORP OF CHINA +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, each device in this way is relatively single, isolated and scattered, and the acquisition of transformer status data is repeated and the utilization rate is not high. There is a lack of comprehensive diagnosis and evaluation of the transformer, or the analysis is not comprehensive

Method used

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  • Integrated intelligent assembly of power transformer
  • Integrated intelligent assembly of power transformer
  • Integrated intelligent assembly of power transformer

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Embodiment Construction

[0022] The invention is an integrated power transformer intelligent component, which includes a main IED, a transformer cooling control system, a state monitoring IED, a neutral point current transformer merging unit and a process layer network switch, and is installed in an intelligent component cabinet. Such as figure 1 As shown, the intelligent component cabinet of the present invention is composed of left and right parts, and the left side is a 19-inch rack-type structure, and the main IED and various state monitoring IEDs are installed on the rack 、 Neutral point current transformer merging unit, process layer network switch and hard pressure plate for non-electrical protection realize the measurement, monitoring, control, metering and protection of transformers; the right side is a blank mounting board, on which current transformers are placed , Voltage monitoring relays, circuit breakers, contactors, motor starters, intelligent component cabinets are equipped with swing...

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Abstract

The invention belongs to the field of power transformers and particularly relates to an integrated intelligent assembly of a power transformer. A main IED (intelligent electronic device), a state monitoring IED, a neutral point current transformer merging unit, a process level network switch and a non-electric quantity protection hard strap are installed on a rack on one side in a cabinet of the intelligent assembly, so that the measurement, monitoring, control, measurement and protection of the transformer are realized; a mounting plate is arranged on the other side in the cabinet and provided with a transformer cooling control system; the transformer cooling control system comprises a current transformer, a voltage supervisory relay, a circuit breaker, a contactor and a motor starter which are arranged on the mounting plate; and the cabinet of the intelligent assembly is provided with a rocking door, and an LED light, a button, a change-over switch and an ammeter are arranged on the rocking door and used for monitoring and controlling the transformer cooling system. According to the integrated intelligent assembly, all external information abides by an IEC61850 protocol, the standard modeling is performed on the information, and the connection with secondary equipment and various body state monitoring equipment in a substation is facilitated.

Description

technical field [0001] The invention belongs to the field of power transformers, in particular to an integrated power transformer intelligent component. Background technique [0002] With the continuous deepening of the construction of smart substations, higher technical requirements have been put forward for the power transformers inside the substations - smart power transformers. The intelligent power transformer is composed of a power transformer body, sensors and intelligent components, in which the sensor and the body are integrated. The intelligent component integrates IEDs such as measurement, monitoring, and control, and is installed near the transformer. Smart components are connected to sensors and actuators in the transformer via cables or optical fibers, and the connections can be analog or digital. [0003] At present, the IEDs of intelligent components for intelligent power transformers have the following configurations: measuring IEDs, cooling device contro...

Claims

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Application Information

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IPC IPC(8): H02B15/00H02J13/00
Inventor 高强张光明耿宝宏韩月刘齐原峰李艳丹程大伟王茂军钟丹田
Owner STATE GRID CORP OF CHINA
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