CN204256037U - External overvoltage intelligent monitor system in a kind of 110kV transformer station - Google Patents

External overvoltage intelligent monitor system in a kind of 110kV transformer station Download PDF

Info

Publication number
CN204256037U
CN204256037U CN201420694037.4U CN201420694037U CN204256037U CN 204256037 U CN204256037 U CN 204256037U CN 201420694037 U CN201420694037 U CN 201420694037U CN 204256037 U CN204256037 U CN 204256037U
Authority
CN
China
Prior art keywords
module
sensor
overvoltage
transformer station
data processing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201420694037.4U
Other languages
Chinese (zh)
Inventor
李欣
刘赟
谢耀恒
段建家
赵世华
万勋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hunan Electric Power Co Ltd
State Grid Hunan Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hunan Electric Power Co Ltd
State Grid Hunan Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Electric Power Research Institute of State Grid Hunan Electric Power Co Ltd, State Grid Hunan Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201420694037.4U priority Critical patent/CN204256037U/en
Application granted granted Critical
Publication of CN204256037U publication Critical patent/CN204256037U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses external overvoltage intelligent monitor system in a kind of 110kV transformer station, comprise sensor group, Signal-regulated kinase, zero sequence signal acquisition module, data processing module, data memory module, interface module, superpotential warning module, liquid crystal display, mouse, printer and communication module; Described sensor group, Signal-regulated kinase, zero sequence signal acquisition module, data processing module, data memory module connect successively; Described superpotential warning module, liquid crystal display, mouse, printer and communication module are all connected with data processing module by interface module; Described data processing module is PC, industrial computer or DLC (digital logic circuit); Described sensor group comprises 10kV overvoltage sensor, 35kV overvoltage sensor and 110kV overvoltage sensor; In this 110kV transformer station, external overvoltage intelligent monitor system is easy to implement, automatically can carry out fault detect and early warning.

Description

External overvoltage intelligent monitor system in a kind of 110kV transformer station
Technical field
The utility model belongs to electric power project engineering field, relates to external overvoltage intelligent monitor system in a kind of 110kV transformer station, is applicable to the exterior overvoltage of 110kV transformer station and internal overvoltage real time monitoring signals and fault pre-alarming.
Background technology
110kV transformer station is the junction to customer power supply, and the safe operation of 110kV transformer station ensures the reliable continuous print important prerequisite of power supply.Cause the reason of 110kV substation equipment fault more, the various outside that electric system occurs and internal overvoltage are the one of the main reasons causing power transmission and transforming equipment insulation infringement, and the safe and reliable stable operation of electric system in serious threat.When there is superpotential fault, in order to timely looking up the fault reason, be necessary to carry out Real-Time Monitoring to superpotential.
Therefore, external overvoltage intelligent monitor system in a kind of novel 110kV transformer station of design is necessary.
Utility model content
Technical problem to be solved in the utility model is to provide external overvoltage intelligent monitor system in a kind of 110kV transformer station, and in this 110kV transformer station, external overvoltage intelligent monitor system is easy to implement, automatically can carry out fault detect and early warning.
The technical solution of utility model is as follows:
External overvoltage intelligent monitor system in a kind of 110kV transformer station, comprises sensor group, Signal-regulated kinase, zero sequence signal acquisition module, data processing module, data memory module, interface module, superpotential warning module, liquid crystal display, mouse, printer and communication module;
Described sensor group, Signal-regulated kinase, zero sequence signal acquisition module, data processing module, data memory module connect successively; Described superpotential warning module, liquid crystal display, mouse, printer and communication module are all connected with data processing module by interface module;
Described data processing module is PC, industrial computer or DLC (digital logic circuit);
Described sensor group comprises correspondence and connects the 10kV overvoltage sensor of 10kV system, 35kV system and 110kV system in 110V transformer station, 35kV overvoltage sensor and 110kV overvoltage sensor;
Described Signal-regulated kinase comprise wave filter, amplifier and A D converter;
Described zero sequence signal acquisition module comprises for being added the three-phase voltage on each road with the digital adder obtaining zero sequence signal.
Described superpotential warning module comprises pilot lamp for reporting to the police and hummer.
Described communication module comprises wired network port and wireless communication module; Wireless communication module comprises at least one in GPRS, 3G or 4G communication module.
Data processing module is DLC (digital logic circuit), and can be the logical circuit built by logic gate and other logical devices (as scrambler etc.), can be also integrated logical circuit, as single-chip microcomputer, and DSP or arm processor etc.
Beneficial effect:
External overvoltage intelligent monitor system in 110kV transformer station of the present utility model, can automatically record and store the inside and outside superpotential occurred in 110kV transformer station, can carry out early warning, to guarantee that 110kV substation safety runs to overvoltage signal.
Advantage of the present utility model is as follows:
1) the overvoltage sensor fast response time of the utility model patent, waveform distortion are little, can the switching overvoltage of Obtaining Accurate three different electric pressures and lightning surge;
2) the utility model patent automatically can gather over-voltage waveform, record and intelligent early-warning.
Accompanying drawing explanation
Fig. 1 is the general structure block diagram of external overvoltage intelligent monitor system in 110kV transformer station described in the utility model patent.
Embodiment
Below with reference to the drawings and specific embodiments, the utility model is described in further details:
Embodiment 1:
See Fig. 1, external overvoltage intelligent monitor system in a kind of 110kV transformer station, comprises sensor group, Signal-regulated kinase, zero sequence signal acquisition module, data processing module, data memory module, interface module, superpotential warning module, liquid crystal display, mouse, printer and communication module;
Described sensor group, Signal-regulated kinase, zero sequence signal acquisition module, data processing module, data memory module connect successively; Described superpotential warning module, liquid crystal display, mouse, printer and communication module are all connected with data processing module by interface module;
Described data processing module is PC, industrial computer or DLC (digital logic circuit);
Described sensor group comprises correspondence and connects the 10kV overvoltage sensor of 10kV system, 35kV system and 110kV system in 110V transformer station, 35kV overvoltage sensor and 110kV overvoltage sensor;
Described Signal-regulated kinase comprise wave filter, amplifier and A D converter;
Described zero sequence signal acquisition module comprises for being added the three-phase voltage on each road with the digital adder obtaining zero sequence signal.
Described superpotential warning module comprises pilot lamp for reporting to the police and hummer.
Described communication module comprises wired network port and wireless communication module; Wireless communication module comprises at least one in GPRS, 3G or 4G communication module.
Data processing module is DLC (digital logic circuit), and can be the logical circuit built by logic gate and other logical devices (as scrambler etc.), can be also integrated logical circuit, as single-chip microcomputer, and DSP or arm processor etc.
The course of work illustrates: sensor group gathers overvoltage signal; Overvoltage signal obtains digital signal after the amplification of Signal-regulated kinase, filtering and A/D convert.Numerical signal is through the process of the totalizer of zero sequence signal acquisition module, obtain zero sequence signal and output to data processing module processing, in data processing module, when after the threshold value that the amplitude of zero sequence signal reaches default, then provide warning (early warning), the waveform that liquid crystal display display is relevant and warning message, mouse is used for the work of control data processing module, printer is for printing related data, communication module is used for the data of collection and early warning information to be sent to remote data center, data memory module is used for data and the early warning information of storage of collected.

Claims (3)

1. external overvoltage intelligent monitor system in a 110kV transformer station, it is characterized in that, comprise sensor group, Signal-regulated kinase, zero sequence signal acquisition module, data processing module, data memory module, interface module, superpotential warning module, liquid crystal display, mouse, printer and communication module;
Described sensor group, Signal-regulated kinase, zero sequence signal acquisition module, data processing module, data memory module connect successively; Described superpotential warning module, liquid crystal display, mouse, printer and communication module are all connected with data processing module by interface module;
Described data processing module is PC, industrial computer or DLC (digital logic circuit);
Described sensor group comprises correspondence and connects the 10kV overvoltage sensor of 10kV system, 35kV system and 110kV system in 110V transformer station, 35kV overvoltage sensor and 110kV overvoltage sensor;
Described Signal-regulated kinase comprise wave filter, amplifier and A D converter;
Described zero sequence signal acquisition module comprises for being added the three-phase voltage on each road with the digital adder obtaining zero sequence signal.
2. external overvoltage intelligent monitor system in 110kV transformer station according to claim 1, is characterized in that, described superpotential warning module comprises pilot lamp for reporting to the police and hummer.
3. external overvoltage intelligent monitor system in 110kV transformer station according to claim 2, it is characterized in that, described communication module comprises wired network port and wireless communication module; Wireless communication module comprises at least one in GPRS, 3G or 4G communication module.
CN201420694037.4U 2014-11-18 2014-11-18 External overvoltage intelligent monitor system in a kind of 110kV transformer station Active CN204256037U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420694037.4U CN204256037U (en) 2014-11-18 2014-11-18 External overvoltage intelligent monitor system in a kind of 110kV transformer station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420694037.4U CN204256037U (en) 2014-11-18 2014-11-18 External overvoltage intelligent monitor system in a kind of 110kV transformer station

Publications (1)

Publication Number Publication Date
CN204256037U true CN204256037U (en) 2015-04-08

Family

ID=52960330

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420694037.4U Active CN204256037U (en) 2014-11-18 2014-11-18 External overvoltage intelligent monitor system in a kind of 110kV transformer station

Country Status (1)

Country Link
CN (1) CN204256037U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104950164A (en) * 2015-05-25 2015-09-30 广东电网有限责任公司中山供电局 Lightning overvoltage monitoring system for substation secondary system
CN106230621A (en) * 2016-07-22 2016-12-14 安徽亚辉电气自动化有限公司 A kind of monitoring analysis system based on overvoltage protection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104950164A (en) * 2015-05-25 2015-09-30 广东电网有限责任公司中山供电局 Lightning overvoltage monitoring system for substation secondary system
CN106230621A (en) * 2016-07-22 2016-12-14 安徽亚辉电气自动化有限公司 A kind of monitoring analysis system based on overvoltage protection device

Similar Documents

Publication Publication Date Title
CN203850925U (en) Communicator for lightning protection remote early-warning monitoring box
CN205920158U (en) DC power supply AC ripple monitoring devices
CN202159104U (en) Metal oxide lightning arrester on-line detection system
CN204256037U (en) External overvoltage intelligent monitor system in a kind of 110kV transformer station
CN204964634U (en) Multi -functional thunderbolt monitoring devices of networking communication
CN203645407U (en) Intelligent electric power monitoring system of power transformation and distribution station
CN203275530U (en) Multi-channel integrated thunder and lightning monitor
CN204807615U (en) Leakage current of an arrester signal pickup assembly
CN204497848U (en) A kind of based on man-machine interface LV Distribution Monitoring System
CN204406160U (en) A kind of multichannel analog amount based on WIA wireless network gathers remote controllers
CN105092946A (en) Three-phase circuit overvoltage monitoring system
CN203071651U (en) Residual current remote data collection and operation monitoring system
CN203630917U (en) Multimode remote monitoring and warning system for mud-rock flow
CN204556757U (en) Highly sensitive lightning arrester on-line computing model
CN204595150U (en) A kind of direct-current insulation monitoring device
CN204694753U (en) A kind of high-precision transmission line of electricity electric current on-Line Monitor Device
CN203965600U (en) A kind of motor remote fault diagnosis and monitoring system
CN203759158U (en) ZigBee-network-based low voltage power source SPD on-line monitoring system
CN203275554U (en) Multipoint electric power parameter monitoring management system based on ARM and WinCE
CN202486229U (en) Lightning arrester on-line monitoring system
CN204165598U (en) There is the gas intelligent metering system of real time alarm function
CN203870441U (en) Multifunctional remote data monitoring system of oil field
CN203930456U (en) A kind of electric energy remote real-time monitoring system
CN103869188B (en) Single-phase electricity parameter Quick Acquisition module
CN202939236U (en) Arrester on-line monitor

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model