CN107966652A - A kind of transforming plant DC electric power loop Graded coordination test device - Google Patents
A kind of transforming plant DC electric power loop Graded coordination test device Download PDFInfo
- Publication number
- CN107966652A CN107966652A CN201610913936.2A CN201610913936A CN107966652A CN 107966652 A CN107966652 A CN 107966652A CN 201610913936 A CN201610913936 A CN 201610913936A CN 107966652 A CN107966652 A CN 107966652A
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- power supply
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- 230000001131 transforming effect Effects 0.000 title claims abstract description 16
- 230000003321 amplification Effects 0.000 claims abstract description 15
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 238000013500 data storage Methods 0.000 claims abstract description 12
- 239000000700 radioactive tracer Substances 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000013558 reference substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The present invention relates to technical field of electric power detection, especially a kind of transforming plant DC electric power loop Graded coordination test device, the voltage test points are electrically connected in voltage input module and current input module with current test point, the voltage input module is electrically connected at voltage transformer and current transformer with current input module, and voltage transformer is electrically connected with data acquisition module with current transformer, the data acquisition module is electrically connected with frequency-selecting amplification module, the frequency-selecting amplification module is electrically connected with multiple signals tracing module, microprocessing unit is electrically connected with data storage module, the microprocessing unit is also electrically connected with switch power module and wave tracer, and standard DC power supply waveform module is electrically connected at wave tracer.This invention ensures that the accuracy of DC power supply circuit Graded coordination, is of great significance the security reliability for improving Operation of Electric Systems.
Description
Technical field
The present invention relates to technical field of electric power detection, more particularly to a kind of transforming plant DC electric power loop Graded coordination to test
Device.
Background technology
With the continuous progress of China's power industry, electric system develops to super-pressure, large capacity direction, is these great Rong
Measure power equipment and control, protection, signal, operation power are provided, the safe and reliable of straight-flow system, economical operation must just be mentioned
One new height.During normal operation, transformer station direct current system provides power switch for breaker, is relay protection and automatic dress
Put, communicate etc. and DC power supply is provided；During failure, particularly in the case of AC interruptions, transformer station direct current system is protected for relay
Shield and automatics, breaker close tripping, emergency lighting provides safe and reliable transforming plant DC power supply, are electric system relays
The basic guarantee that protection, automatics and breaker correctly act.
In transforming plant DC circuit, fuse, breaker are that each outlet overcurrent of straight-flow system and short trouble are main
Protection element, can be used as the disconnection of feeder assembly supply network and isolation to be used, and whether its circuit Graded coordination is appropriate and upper and lower
Whether there is the selective incubation of protection between level, can be directly related to be limited in the failure of system in minimum zone, this
To preventing system destruction, fault spread and main equipment badly damaged most important.Therefore a kind of transforming plant DC power supply is proposed
Circuit Graded coordination test device.
The content of the invention
The purpose of the present invention is to solve shortcoming existing in the prior art, and a kind of transforming plant DC power supply proposed
Circuit Graded coordination test device.
To achieve these goals, present invention employs following technical solution：
Design a kind of transforming plant DC electric power loop Graded coordination test device, including tested DC power supply, microprocessor list
Member and data induction module, are tested on DC power supply and are provided with voltage test points and current test point, data induction module includes
Voltage input module, current input module, voltage transformer and current transformer, the voltage test points and current test point point
Voltage input module and current input module are not electrically connected at, and the voltage input module is electrically connected with current input module
In voltage transformer and current transformer, and voltage transformer is electrically connected with data acquisition module with current transformer, institute
State data acquisition module and be electrically connected with frequency-selecting amplification module, the frequency-selecting amplification module is electrically connected with multiple signals tracking mould
Block, the multiple signals tracing module are electrically connected at microprocessing unit；
Microprocessing unit is electrically connected with data storage module and touch-screen, and the microprocessing unit is also electrically connected with out
Powered-down source module, standard DC power supply waveform module and wave tracer, and standard DC power supply waveform module is electrically connected at
Wave tracer, the microprocessing unit is electrically connected with alarm module and power source protective module, and power source protective module is electrical
It is connected to tested DC power supply.
Preferably, the multiple signals tracing module is electrically connected with frequency-selecting and filtering module, and frequency-selecting and filtering module is electrical
It is connected to frequency-selecting amplification module.
Preferably, the microprocessing unit is also electrically connected with fault detection module, and fault detection module is electrically connected
In data storage module.
Preferably, it is provided with storage chip in the data storage module.
A kind of transforming plant DC electric power loop Graded coordination test device proposed by the present invention, beneficial effect are：The electricity
Double check of the DC power supply circuit Graded coordination test device of standing by voltage and electric current, substantially increases the accurate of detection
Degree, fault detection module can carry out fault detect to detection device, play the role of protective device, it is therefore prevented that data storage
Mould loss of data in the block, the electric signal that frequency-selecting and filtering module can be handled frequency-selecting amplification module is filtered, so as to obtain
Stable pulse signal, ensure that the accuracy of DC power supply circuit Graded coordination, can to the safety for improving Operation of Electric Systems
It is of great significance by property.
Brief description of the drawings
Fig. 1 is a kind of system schematic of transforming plant DC electric power loop Graded coordination test device proposed by the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
With reference to Fig. 1, a kind of transforming plant DC electric power loop Graded coordination test device, including tested DC power supply, Wei Chu
Unit and data induction module are managed, voltage test points and current test point, data induction module are provided with tested DC power supply
Including voltage input module, current input module, voltage transformer and current transformer.
Voltage test points are electrically connected defeated in voltage input module and current input module, voltage with current test point
Enter module and be electrically connected at voltage transformer and current transformer, and voltage transformer and current transformer with current input module
Data acquisition module is electrically connected with, data acquisition module is electrically connected with frequency-selecting amplification module, and frequency-selecting amplification module is electrical
Multiple signals tracing module is connected with, multiple signals tracing module is electrically connected at microprocessing unit, multiple signals tracing module
Frequency-selecting and filtering module is electrically connected with, and frequency-selecting and filtering module is electrically connected at frequency-selecting amplification module, in use, mutual by voltage
Sensor and the voltage test points and current test point on the tested DC power supply of current transformer measurement, so as to pass data to number
According to acquisition module, after the amplification of frequency-selecting amplification module, microprocessing unit is input to by multiple signals tracing module, by setting
The frequency-selecting and filtering module put, the electric signal that can handle frequency-selecting amplification module are filtered, so as to obtain stable pulse letter
Number.
Microprocessing unit is electrically connected with data storage module and touch-screen, and microprocessing unit is also electrically connected with switch electricity
Source module, standard DC power supply waveform module and wave tracer, and standard DC power supply waveform module is electrically connected at waveform
Recorder, microprocessing unit are electrically connected with alarm module and power source protective module, and power source protective module be electrically connected at by
DC power supply is surveyed, microprocessing unit is also electrically connected with fault detection module, and fault detection module is electrically connected at data storage
Storing module, is provided with storage chip in data storage module, in use, switch power module provides power supply supply, collects electricity
Pressure shown on wave tracer with current pulse signal by microprocessing unit, and standard DC power supply waveform module is then to detect
Reference substance is provided, the contrast between is pinpointed the problems, and microprocessing unit has been accomplished to standard DC power supply waveform module not
The control of same waveform, fault detection module can carry out fault detect to detection device, play the role of protective device, prevent
Loss of data in data storage module.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of transforming plant DC electric power loop Graded coordination test device, including tested DC power supply, microprocessing unit and number
According to induction module, voltage test points and current test point are provided with tested DC power supply, it is defeated that data induction module includes voltage
Enter module, current input module, voltage transformer and current transformer, it is characterised in that：The voltage test points are surveyed with electric current
Pilot is electrically connected in voltage input module and current input module, the voltage input module and current input module electricity
Property be connected to voltage transformer and current transformer, and voltage transformer is electrically connected with data acquisition module with current transformer
Block, the data acquisition module are electrically connected with frequency-selecting amplification module, and the frequency-selecting amplification module is electrically connected with multiple signals
Tracing module, the multiple signals tracing module are electrically connected at microprocessing unit；
Microprocessing unit is electrically connected with data storage module and touch-screen, and the microprocessing unit is also electrically connected with switch electricity
Source module, standard DC power supply waveform module and wave tracer, and standard DC power supply waveform module is electrically connected at waveform
Recorder, the microprocessing unit is electrically connected with alarm module and power source protective module, and power source protective module is electrically connected
In tested DC power supply.
A kind of 2. transforming plant DC electric power loop Graded coordination test device according to claim 1, it is characterised in that institute
State multiple signals tracing module and be electrically connected with frequency-selecting and filtering module, and frequency-selecting and filtering module is electrically connected at frequency-selecting amplification mould
Block.
A kind of 3. transforming plant DC electric power loop Graded coordination test device according to claim 1, it is characterised in that institute
State microprocessing unit and be also electrically connected with fault detection module, and fault detection module is electrically connected at data storage module.
A kind of 4. transforming plant DC electric power loop Graded coordination test device according to claim 1, it is characterised in that institute
State and storage chip is provided with data storage module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610913936.2A CN107966652A (en) | 2016-10-20 | 2016-10-20 | A kind of transforming plant DC electric power loop Graded coordination test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610913936.2A CN107966652A (en) | 2016-10-20 | 2016-10-20 | A kind of transforming plant DC electric power loop Graded coordination test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107966652A true CN107966652A (en) | 2018-04-27 |
Family
ID=61996416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610913936.2A Pending CN107966652A (en) | 2016-10-20 | 2016-10-20 | A kind of transforming plant DC electric power loop Graded coordination test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107966652A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090033356A1 (en) * | 2007-07-30 | 2009-02-05 | Jeff Starkell | System and method for analyzing end to end testing |
| CN101765278A (en) * | 2008-12-26 | 2010-06-30 | 周洪璋 | Power-frequency digital frequency-division transmission method and device of monitoring device of navigational light |
| CN102590576A (en) * | 2012-02-22 | 2012-07-18 | 西安交通大学 | Active photoelectric current transformer with wireless induction power supply function |
| WO2013131392A1 (en) * | 2012-03-07 | 2013-09-12 | 甘肃省电力公司电力科学研究院 | Dc power supply dynamic simulation system and dc power supply test system |
| CN103439679A (en) * | 2013-08-28 | 2013-12-11 | 国家电网公司 | Absolute time delay detection device and method of intelligent substation mutual inductor data collection system |
| CN103884931A (en) * | 2014-03-06 | 2014-06-25 | 电子科技大学 | Testing and recording device for load characteristics of transformer substation bus |
| CN203811795U (en) * | 2013-09-23 | 2014-09-03 | 中国电子科技集团公司第二十七研究所 | Remote detection system for electric energy metering information of transformer station |
| CN104917169A (en) * | 2015-07-10 | 2015-09-16 | 山东大学 | Ground capacitance detection method for neutral point via arc suppression coil grounding system |
| CN105425147A (en) * | 2015-12-15 | 2016-03-23 | 江苏德春电力科技有限公司 | High-voltage circuit breaker contact temperature rise and service life online monitoring system |
| CN206223934U (en) * | 2016-10-20 | 2017-06-06 | 国网新疆电力公司疆南供电公司 | A kind of transforming plant DC electric power loop Graded coordination test device |
-
2016
- 2016-10-20 CN CN201610913936.2A patent/CN107966652A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090033356A1 (en) * | 2007-07-30 | 2009-02-05 | Jeff Starkell | System and method for analyzing end to end testing |
| CN101765278A (en) * | 2008-12-26 | 2010-06-30 | 周洪璋 | Power-frequency digital frequency-division transmission method and device of monitoring device of navigational light |
| CN102590576A (en) * | 2012-02-22 | 2012-07-18 | 西安交通大学 | Active photoelectric current transformer with wireless induction power supply function |
| WO2013131392A1 (en) * | 2012-03-07 | 2013-09-12 | 甘肃省电力公司电力科学研究院 | Dc power supply dynamic simulation system and dc power supply test system |
| CN103439679A (en) * | 2013-08-28 | 2013-12-11 | 国家电网公司 | Absolute time delay detection device and method of intelligent substation mutual inductor data collection system |
| CN203811795U (en) * | 2013-09-23 | 2014-09-03 | 中国电子科技集团公司第二十七研究所 | Remote detection system for electric energy metering information of transformer station |
| CN103884931A (en) * | 2014-03-06 | 2014-06-25 | 电子科技大学 | Testing and recording device for load characteristics of transformer substation bus |
| CN104917169A (en) * | 2015-07-10 | 2015-09-16 | 山东大学 | Ground capacitance detection method for neutral point via arc suppression coil grounding system |
| CN105425147A (en) * | 2015-12-15 | 2016-03-23 | 江苏德春电力科技有限公司 | High-voltage circuit breaker contact temperature rise and service life online monitoring system |
| CN206223934U (en) * | 2016-10-20 | 2017-06-06 | 国网新疆电力公司疆南供电公司 | A kind of transforming plant DC electric power loop Graded coordination test device |
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Application publication date: 20180427 |
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