WO2019174075A1 - Dispositif de verrouillage d'affichage en direct haute-tension à courant continu - Google Patents

Dispositif de verrouillage d'affichage en direct haute-tension à courant continu Download PDF

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Publication number
WO2019174075A1
WO2019174075A1 PCT/CN2018/081665 CN2018081665W WO2019174075A1 WO 2019174075 A1 WO2019174075 A1 WO 2019174075A1 CN 2018081665 W CN2018081665 W CN 2018081665W WO 2019174075 A1 WO2019174075 A1 WO 2019174075A1
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WO
WIPO (PCT)
Prior art keywords
module
signal
display
self
input
Prior art date
Application number
PCT/CN2018/081665
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English (en)
Chinese (zh)
Inventor
丁海荣
王炜
汤永春
Original Assignee
镇江华源晋昌电器有限公司
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Application filed by 镇江华源晋昌电器有限公司 filed Critical 镇江华源晋昌电器有限公司
Publication of WO2019174075A1 publication Critical patent/WO2019174075A1/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2513—Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/12—Measuring electrostatic fields or voltage-potential
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]

Definitions

  • the invention relates to the technical field of protection of UHV transmission equipment, in particular to a DC high voltage charging display locking device.
  • the existing high-voltage live display locking devices are high-voltage AC live display blocking devices, and the input signals are susceptible to monitoring errors caused by gradual aging of cables and changes in natural space conditions, and the high-voltage live display locking device is interfered by an external environment. In the case of thunderstorms, the high-voltage charging shows that the current of the locking device will drain, affecting the normal operation of other equipment.
  • the DXW-ZL high-voltage live display locking device developed by our company is mainly an online high-voltage live monitoring device designed for power system DC UHV substation. It can monitor the DC incoming line high-voltage incoming line in real time to ensure safe operation of power production.
  • the object of the present invention is to provide a DC high voltage live display blocking device capable of real-time online monitoring of the DC incoming line high voltage incoming line to ensure safe operation of power production.
  • a DC high-voltage live display locking device comprising a sensor and a display
  • the working circuit is packaged in the display
  • the working circuit comprises a compensation module, an input containing module, a signal processing module, a self-test module, a self-setting module, a wave detecting module, and a sensor
  • the lower lead is connected to the compensation module and connected to the input protection module.
  • the signal input to the protection module is input to the signal processing module
  • the signal of the self-test module is input to the signal processing module
  • the signal of the self-setting module is input to the signal processing module
  • the processed signal is transmitted to the wave module
  • the working circuit further includes a programmable control circuit.
  • the signal of the self-test module and the signal of the wave detection module are transmitted to the programmable control circuit, and then processed by the programmable control circuit and then transmitted to the device.
  • the detecting unit, the voice unit, the flash unit and the latching circuit further comprise a power module, and the power module provides power supply for the entire device.
  • the power module adopts AC/DC: 110/220V.
  • the display has a total of 19 wiring ports: wherein the 1, 2, and 3 wiring ports are sensor introduction signal lines; the 4, 5, and 6 wiring ports are fault alarm input nodes; and the 7, 8, and 9 wiring ports are charged.
  • Signal output node; 10, 11, 12, 13, 14, 15, 16, 17, 18 wiring ports are three pairs of blocking nodes; 19 wiring ports are grounded; when the measured line is charged, the 7, 8, and 9 wiring ports are closed. 17, 18 wiring is closed; when the line under test is not charged, 10-18 three pairs of blocking nodes are closed.
  • an indicator light is arranged outside the display, and the indicator light is connected to the flash unit, and the indicator light is divided into a live indicator light, a working power indicator light and an operation indicator light.
  • a further improvement of the present invention also includes a voice alarm, the voice alarm is packaged in the display, and the voice alarm is coupled to the voice unit.
  • an outer casing is disposed outside the display, the outer casing is sprayed with a waterproof layer, and the waterproof layer is sprayed with an insulating layer.
  • the invention has the advantages that the invention is a novel inductive high-voltage electrification monitoring device, which is not in direct contact with a charged body, has convenient installation, low maintenance cost and long service life; the device has advanced design, reasonable structure, complete functions, safety and reliability.
  • the utility model has the functions of flash display, audible alarm, self-checking and starting forced locking circuit, and has obvious directionality, high sensitivity and reliability; the invention is applicable to a DC UHV line with a DC rated voltage of 10-10000 kV, Reflecting the state of charge is an ideal safety device to prevent electrical misoperation on DC electrical networks or equipment.
  • Figure 1 is a circuit diagram of the operation of the present invention.
  • FIG. 2 is a schematic structural view of a display of the present invention.
  • Figure 3 is a schematic view showing the structure of the sensor of the present invention.
  • Figure 4 is a wiring diagram of the display of the present invention.
  • a DC high-voltage live display blocking device includes a sensor and a display, and a working circuit is packaged in the display, and the working circuit includes a compensation module, an input containing module, and a signal processing module.
  • the self-test module, the self-setting module, the wave check module, the lower lead of the sensor is connected with the compensation module, and is connected to the input protection module, the signal input to the protection module is input to the signal processing module, and the signal of the self-test module is input to the signal processing module.
  • the signal of the self-setting module is input to the signal processing module, and the signal processed by the signal processing module is transmitted to the wave module, and the working circuit further includes a programmable control circuit, and the signal of the self-checking module and the signal of the wave detecting module are transmitted to the programmable
  • the control circuit is processed by the programmable control circuit and then transmitted to the device self-test unit, the voice unit, the flash unit and the latching circuit.
  • the DC high-voltage live display latching device further includes a power module, and the power module provides power supply for the entire device, and the power module AC/DC: 110/220V.
  • the DC high voltage live display blocking device utilizes the electric field coupling principle between the high voltage electric field and the sensor to perform inductive measurement outside the safety distance.
  • the device is composed of a sensor and a display, wherein the length of the sensor is 300mm, diameter is 35mm, the installation size of the display is 300*430*150mm, and the display has 19 wiring ports: among them, 1, 2, 3 wiring ports are sensor input signal lines; 4, 5, 6 wiring ports are fault alarm input Node; 7, 8, 9 wiring ports are charged signal output nodes; 10, 11, 12, 13, 14, 15, 16, 17, 18 wiring ports are three pairs of blocking nodes; 19 wiring ports are grounded; when the measured line is charged When the 7, 8, and 9 terminals are closed, the 17 and 18 terminals are closed; when the line under test is not charged, the 10-18 three pairs of latching nodes are closed, and the indicator is externally provided with an indicator light, and the indicator light is connected to the flash unit.
  • the indicator light is divided into a live indicator light, a working power indicator light, and an operation indicator light.
  • the device In order to function as a good alarm, the device also includes a voice alarm, the voice alarm is packaged in the display, and the voice alarm is connected to the voice unit.
  • the outer surface of the display is provided with a waterproof layer coated with an insulating layer, and the waterproof layer is sprayed with an insulating layer to protect against water and dust, increase safety performance and prolong life.
  • the display When the display is installed outdoors, it may be external to the display. Install a rainproof box.
  • the device is composed of a sensor and a display.
  • the sensor has no direct contact with the high-voltage charged body and maintains a certain safe distance. It receives the electric field signal of the high-voltage charged body and transmits it to the display for comparison and judgment:
  • the live indicator light is on, the operation indicator is off, and the forced lockout signal is output.
  • the live indicator light is off, the operation indicator green light is on, and the lockout signal is released.
  • the display has a "self-test" function. When the device is installed, it can automatically detect the function of each module of the display. If everything is normal, when the "self-test" is pressed, you can see that the live indicator flashes and the latching relay jumps. The buzzer is loud.
  • the probe shield of the 1 connector of the display is connected to the negative bus, and the sensor probe is installed at a safe distance below the positive bus; when the center of the positive and negative bus is grounded, the display 1
  • the probe shield wire of the wiring port is connected to the center point.
  • the sensor probe is installed under the positive and negative bus bars.
  • the installation distance is half of the standard voltage.
  • the sensor probe is installed at the installation distance of half of the standard voltage below the positive and negative bus bars.
  • the DC high-voltage live display locking device can also be used together with the microcomputer anti-misoperation locking device: in cooperation with the microcomputer anti-misoperation locking computer key, the line grounding knife is equipped with a code lock, and the passive electroscope code lock is installed in the live display, taking 2A The relay node can be used. When the line is energized, the passive code lock can't take the node signal. The next time the connected knife can't operate, only when the live display has no high voltage, the passive node signal can be taken for the next step.
  • the DC high-voltage live display locking device can also be used with the GIS primary device: when combined with the GIS combination electrical device and the electrical lock, the live display is equipped with a pair of passive blocking relay 5A nodes, when any one of the three phases is charged, In the locked state, the node is closed only when the three phases are completely dead, and the product is also disconnected when the product is not powered.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)

Abstract

Dispositif de verrouillage d'affichage en direct haute-tension à courant continu, comprenant un capteur et un dispositif d'affichage. Un circuit de travail est conditionné dans le dispositif d'affichage; un conducteur inférieur du capteur est connecté à un module de compensation et ensuite connecté à un module de protection d'entrée; un signal du module de protection d'entrée est entré dans un module de traitement de signal; un signal d'un module d'auto-détection est entré dans le module de traitement de signal; un signal d'un module d'auto-réglage est entré dans le module de traitement de signal; le signal traité par le module de traitement de signal est ensuite transmis à un module de détection; le circuit de travail comprend en outre un circuit de commande programmable; et le signal du module d'auto-détection et le signal du module de détection sont transmis au circuit de commande programmable, traité par le circuit de commande programmable, puis transmis à une unité d'auto-détection de dispositif, à une unité vocale, à une unité de flash et à un circuit de verrouillage. Le dispositif de verrouillage d'affichage en direct haute-tension à courant continu comprend en outre un module d'alimentation électrique, et le module d'alimentation électrique fournit de l'énergie pour l'ensemble du dispositif.
PCT/CN2018/081665 2018-03-16 2018-04-03 Dispositif de verrouillage d'affichage en direct haute-tension à courant continu WO2019174075A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810216462.5 2018-03-16
CN201810216462.5A CN108196135A (zh) 2018-03-16 2018-03-16 一种直流高压带电显示闭锁装置

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Publication Number Publication Date
WO2019174075A1 true WO2019174075A1 (fr) 2019-09-19

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Publication number Priority date Publication date Assignee Title
CN109521259A (zh) * 2019-02-01 2019-03-26 句容市凯特电力电器有限公司 高压带电显示器
CN113156187A (zh) * 2020-01-07 2021-07-23 国网上海市电力公司 一种gis设备带电显示装置
CN114895098B (zh) * 2022-04-11 2023-10-10 国网安徽省电力有限公司电力科学研究院 数字融合型高压带电显示闭锁装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201107351Y (zh) * 2007-08-29 2008-08-27 上海海兰电气有限公司 高压带电显示闭锁装置
CN204347118U (zh) * 2014-12-30 2015-05-20 西安工程大学 高压带电数字显示及闭锁装置
CN105098706A (zh) * 2014-05-20 2015-11-25 庄孟文 一种安全性能好的高压带电显示闭锁装置
CN204989301U (zh) * 2015-01-23 2016-01-20 江苏省电力公司常州供电公司 一种安全性好的感应式高压带电显示装置
CN207924026U (zh) * 2018-03-16 2018-09-28 镇江华源晋昌电器有限公司 一种直流高压带电显示闭锁装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6674289B2 (en) * 2000-02-17 2004-01-06 Pass & Seymour, Inc. Circuit protection device with half cycle self test
CN203216981U (zh) * 2013-05-08 2013-09-25 成都国能龙源科技有限公司 基于avr单片机的智能高压带电显示闭锁装置
CN105429296A (zh) * 2015-12-04 2016-03-23 重庆臻远电气有限公司 防雷的高压带电数字显示及闭锁装置
CN205263205U (zh) * 2015-12-23 2016-05-25 南阳医学高等专科学校 一种电气间隔安全保护装置
CN205720400U (zh) * 2016-04-25 2016-11-23 国网安徽省电力公司淮北供电公司 带语音提示、自检功能的户内高压带电显示装置
CN205958639U (zh) * 2016-07-20 2017-02-15 国网江苏省电力公司南通供电公司 智能提醒高压带电显示装置
CN106249033A (zh) * 2016-07-20 2016-12-21 国网江苏省电力公司南通供电公司 智能提醒高压带电显示装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201107351Y (zh) * 2007-08-29 2008-08-27 上海海兰电气有限公司 高压带电显示闭锁装置
CN105098706A (zh) * 2014-05-20 2015-11-25 庄孟文 一种安全性能好的高压带电显示闭锁装置
CN204347118U (zh) * 2014-12-30 2015-05-20 西安工程大学 高压带电数字显示及闭锁装置
CN204989301U (zh) * 2015-01-23 2016-01-20 江苏省电力公司常州供电公司 一种安全性好的感应式高压带电显示装置
CN207924026U (zh) * 2018-03-16 2018-09-28 镇江华源晋昌电器有限公司 一种直流高压带电显示闭锁装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
YAN, JINCHENG ET AL.: "The Principle and Practice of New Type High-voltage Presence Indicating Device", ELECTROTECHNICS ELECTRIC, 15 December 2005 (2005-12-15), ISSN: 1007-3175 *
YANG, SHAOJUN: "Application of High Voltage Live Display Locking Device in Wuluwati Hydropower Plant", XINJIANG WATER RESOURCES, 15 December 2010 (2010-12-15) *

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