CN104730340A - 10 kV ring main unit wireless phase checking instrument and test method - Google Patents

10 kV ring main unit wireless phase checking instrument and test method Download PDF

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Publication number
CN104730340A
CN104730340A CN201510137465.6A CN201510137465A CN104730340A CN 104730340 A CN104730340 A CN 104730340A CN 201510137465 A CN201510137465 A CN 201510137465A CN 104730340 A CN104730340 A CN 104730340A
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CN
China
Prior art keywords
unit
wireless
processing unit
ring main
signal
Prior art date
Application number
CN201510137465.6A
Other languages
Chinese (zh)
Inventor
岳程城
董军
黄东伟
石峰
郭岚
裴玉杰
龚晨斌
高崴
陈晶阳
曹慧杰
徐建国
王红艳
臧雷默
张鸣
乔博宇
路天峰
柏忠斌
Original Assignee
国网辽宁省电力有限公司抚顺供电公司
国家电网公司
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.)
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Publication date
Application filed by 国网辽宁省电力有限公司抚顺供电公司, 国家电网公司 filed Critical 国网辽宁省电力有限公司抚顺供电公司
Priority to CN201510137465.6A priority Critical patent/CN104730340A/en
Publication of CN104730340A publication Critical patent/CN104730340A/en

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Abstract

The invention relates to a 10 kV ring main unit wireless phase checking instrument which comprises a collector and a receiving host. A high-voltage signal collection unit, a digital filtering unit and a wireless transmission unit in the collector are sequentially connected. The receiving host comprises a wireless receiving unit, an operational amplifier unit, a central processing unit, a screen display unit, a voice processing unit and a voice output unit. The wireless receiving unit is sequentially connected with the operational amplifier unit and the central processing unit. The central processing unit is connected with the screen display unit and the voice processing unit. The voice processing unit is connected with the voice output unit. The collector collects the system waveform of the corresponding phase, converts analog signals of the system waveform into digital signals, and sends the digital signals out through wireless communication. The receiving host converts the received digital signals into analog signals, compares the two paths of analog signals, and analyzes the phase relation between the two paths of analog signals, so that the 10 kV ring main unit phase and phase sequence checking purpose is achieved.

Description

10kV ring main unit wireless core phase instrument and method of testing
Technical field
The present invention relates to a kind of electric system 10kV distribution line field adjustable, particularly relate to a kind of 10kV ring main unit wireless core phase instrument and method of testing, be mainly used in 10kV power transmission network ring main unit phase place and phase sequence check test, belong to electric power application.
Background technology
In recent years along with the develop rapidly of electric system, power supply enterprise is for ensureing power supply reliability, the Local Area Network that distribution cable circuit must be set up based on different substation connects, and between this cable line connect adopt be that distribution line ring main unit is implemented, this equipment with protection against electric shock latch performance, only after the grounding switch that closes, just can open ring main unit cabinet door.Without the nuclear phase instrument and equipment be suitable for when the nuclear phase operation of this type is carried out in current domestic existence, if nuclear phase operation in violation of rules and regulations, there is serious equipment failure and personal injury hidden danger.
Summary of the invention
The present invention is directed to above-mentioned problems of the prior art; provide a kind of 10kV ring main unit wireless core phase instrument; solve 10kV power transmission network ring main unit phase place and phase sequence check test problem, protection ensures power system security reliability service and thorough Elimination test personnel personal safety hidden danger.
Another object of the present invention is a kind of method providing brand-new wireless test phase place and phase sequence.
Technical scheme of the present invention is as follows:
Instrument comprises collector and Receiving Host, adopts wireless encoding and frequency division signal transmission between collector and Receiving Host; Described collector comprises high-voltage signal collecting unit, digital filtering unit and wireless transmitting unit, and high-voltage signal collecting unit, digital filtering unit are connected successively with wireless transmitting unit; Described Receiving Host comprises radio receiving unit, amplifier unit, central processing unit, screen display unit, Audio Processing Unit, voice-output unit, radio receiving unit is connected with amplifier unit, central processing unit successively, central processing unit is connected with screen display unit and Audio Processing Unit respectively, and Audio Processing Unit is connected with voice-output unit.
The simulating signal of system waveform is converted into digital signal by described high-voltage signal collecting unit, utilizes wireless telecommunications digital signal to be sent.
Described digital filtering unit adopts Interference Cancellation, high-speed frequency-hopping and time division multiple access (TDMA), prevents the strong electromagnetic in nuclear phase operation process and transmission.
The simulating signal of system waveform is converted into digital signal by described wireless transmitting unit, utilizes wireless telecommunications digital signal to be sent.
The digital signal received is converted into simulating signal by described radio receiving unit again.
Two-way simulating signal is compared process by described middle central processing unit, analyzes the phase relation of two paths of signals.
Method of testing of the present invention comprises the steps:
Collector is utilized to gather the system waveform of electric system corresponding phase, again the simulating signal of system waveform is converted into digital signal, wireless telecommunications are utilized digital signal to be sent, the digital signal received is converted into simulating signal by the radio receiving unit of Receiving Host and central processing unit again, two-way simulating signal to be compared process simultaneously, analyze the phase relation of two paths of signals; Completed display by screen display unit and Audio Processing Unit, voice-output unit, reported test result.
Advantageous effect of the present invention is as follows:
1, the nuclear phase work of 10kV ring main unit is adapted to.
2, adopt high voltage induction formula nuclear phase technology, the contact of isolated tester and high-tension apparatus, in nuclear phase process, has reliable high voltage electrical safe distance, guarantees personal safety and device security.
3, entirely intelligent, simple to operate, convenient, multiple functional.Low-power consumption, operation interface is directly perceived, Chinese character and digital double display.
4, directly phase angle is shown, quantified system analysis ruuning situation.
5, possess intelligent voice system, instruct nuclear phase overall process.
6, realize phase sequence to measure.
7, the wireless measurement of phase place and phase sequence between the parallel outlet of ring main unit is realized.
Accompanying drawing explanation
Fig. 1 is structural principle schematic block diagram of the present invention.
Fig. 2 is that 10kV ring main unit private radio nuclear phase instrument measures wiring schematic diagram.
Embodiment
Referring to accompanying drawing, in conjunction with specific embodiments, the present invention is described in detail .
Embodiment
As shown in Figure 1, instrument comprises: collector and Receiving Host two large divisions, adopts wireless encoding and frequency division signal transmission technology between collector and Receiving Host, and anti-highfield, high-intensity magnetic field disturb, and improves data accuracy.Wherein collector comprises high-voltage signal collecting unit, digital filtering unit, wireless transmitting unit, and high-voltage signal collecting unit, digital filtering unit, wireless transmitting unit connect successively.Receiving Host comprises radio receiving unit, amplifier unit, central processing unit, screen display unit, Audio Processing Unit, voice-output unit, wherein radio receiving unit is connected with amplifier unit, central processing unit successively, central processing unit is connected with screen display unit and Audio Processing Unit respectively, and Audio Processing Unit is connected with voice-output unit.
High-voltage signal collecting unit in described instrument collector, is converted into digital signal by the simulating signal of system waveform, utilizes wireless telecommunications digital signal to be sent.Digital filtering unit in described instrument collector, adopts the technology such as Interference Cancellation, high-speed frequency-hopping and time division multiple access (TDMA), effectively prevents the strong electromagnetic in nuclear phase operation process and transmission.The simulating signal of system waveform is converted into digital signal by the wireless transmitting unit in described instrument collector, utilizes wireless communication technique, digital signal is sent.In described Receiving Host, the digital signal received is converted into simulating signal by radio receiving unit again.In described Receiving Host, digital signal is converted into simulating signal by central processing unit, process of two-way simulating signal being compared, and analyzes the phase relation of two paths of signals.
As shown in Figure 2, method of testing of the present invention comprises the steps:
The collector unit of instrument is utilized to gather the system waveform of electric system corresponding phase, again the simulating signal of system waveform is converted into digital signal, utilize wireless communication technique, digital signal is sent, the digital signal received is converted into simulating signal by Receiving Host receiving trap and central processing unit again, two-way simulating signal to be compared process simultaneously, analyze the phase relation of two paths of signals; Completed display by screen display unit and speech processes, output unit, reported test result.

Claims (7)

1.10kV ring main unit wireless core phase instrument, is characterized in that comprising collector and Receiving Host, adopts wireless encoding and frequency division signal transmission between collector and Receiving Host; Described collector comprises high-voltage signal collecting unit, digital filtering unit and wireless transmitting unit, and high-voltage signal collecting unit, digital filtering unit are connected successively with wireless transmitting unit; Described Receiving Host comprises radio receiving unit, amplifier unit, central processing unit, screen display unit, Audio Processing Unit, voice-output unit, radio receiving unit is connected with amplifier unit, central processing unit successively, central processing unit is connected with screen display unit and Audio Processing Unit respectively, and Audio Processing Unit is connected with voice-output unit.
2. 10kV ring main unit wireless core phase instrument according to claim 1, is characterized in that the simulating signal of system waveform is converted into digital signal by described high-voltage signal collecting unit, utilizes wireless telecommunications digital signal to be sent.
3. 10kV ring main unit wireless core phase instrument according to claim 1, is characterized in that described digital filtering unit adopts Interference Cancellation, high-speed frequency-hopping and time division multiple access (TDMA), prevents the strong electromagnetic in nuclear phase operation process and transmission.
4. 10kV ring main unit wireless core phase instrument according to claim 1, is characterized in that the simulating signal of system waveform is converted into digital signal by described wireless transmitting unit, utilizes wireless telecommunications digital signal to be sent.
5. 10kV ring main unit wireless core phase instrument according to claim 1, is characterized in that the digital signal received is converted into simulating signal by described radio receiving unit again.
6. 10kV ring main unit wireless core phase instrument according to claim 1, is characterized in that two-way simulating signal is compared process by described middle central processing unit, analyzes the phase relation of two paths of signals.
7. the method for testing of 10kV ring main unit wireless core phase instrument according to claim 1, is characterized in that being to comprise the steps:
Collector is utilized to gather the system waveform of electric system corresponding phase, again the simulating signal of system waveform is converted into digital signal, wireless telecommunications are utilized digital signal to be sent, the digital signal received is converted into simulating signal by the radio receiving unit of Receiving Host and central processing unit again, two-way simulating signal to be compared process simultaneously, analyze the phase relation of two paths of signals; Completed display by screen display unit and Audio Processing Unit, voice-output unit, reported test result.
CN201510137465.6A 2015-03-26 2015-03-26 10 kV ring main unit wireless phase checking instrument and test method CN104730340A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107782986A (en) * 2017-10-17 2018-03-09 苏州斯威高科信息技术有限公司 A kind of online nuclear-phase method of low-voltage circuit, apparatus and system

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000055961A (en) * 1998-08-06 2000-02-25 Kansai Electric Power Co Inc:The Wireless phase rotation indicator
CN101788614A (en) * 2009-12-28 2010-07-28 江苏省电力公司苏州供电公司 High and low voltage integrated phase-sequence phase meter and detection method thereof
CN101799498A (en) * 2009-12-28 2010-08-11 江苏省电力公司苏州供电公司 High-pressure phase sequence phasemeter and detection method thereof
CN102081121A (en) * 2009-11-30 2011-06-01 苏州华电电气股份有限公司 Wireless high voltage phase checking device
CN202339384U (en) * 2011-11-10 2012-07-18 武汉世纪华胜科技有限公司 Wireless voice high-pressure nuclear phase device
CN202486218U (en) * 2011-12-06 2012-10-10 华北电力大学 Wireless nuclear phase device of high-voltage line
CN103630764A (en) * 2013-12-04 2014-03-12 国家电网公司 Multi-application wireless phase detector unit
CN203672971U (en) * 2013-11-22 2014-06-25 国家电网公司 Remote phase calibration device
CN104092738A (en) * 2014-06-25 2014-10-08 国网福建南安市供电有限公司 Long-distance nuclear phase system and method based on wireless Internet
CN104155523A (en) * 2014-08-20 2014-11-19 国家电网公司 Satellite timing remote wireless phase detector
CN204495907U (en) * 2015-03-26 2015-07-22 国网辽宁省电力有限公司抚顺供电公司 10kV ring main unit wireless core phase instrument

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000055961A (en) * 1998-08-06 2000-02-25 Kansai Electric Power Co Inc:The Wireless phase rotation indicator
CN102081121A (en) * 2009-11-30 2011-06-01 苏州华电电气股份有限公司 Wireless high voltage phase checking device
CN101788614A (en) * 2009-12-28 2010-07-28 江苏省电力公司苏州供电公司 High and low voltage integrated phase-sequence phase meter and detection method thereof
CN101799498A (en) * 2009-12-28 2010-08-11 江苏省电力公司苏州供电公司 High-pressure phase sequence phasemeter and detection method thereof
CN202339384U (en) * 2011-11-10 2012-07-18 武汉世纪华胜科技有限公司 Wireless voice high-pressure nuclear phase device
CN202486218U (en) * 2011-12-06 2012-10-10 华北电力大学 Wireless nuclear phase device of high-voltage line
CN203672971U (en) * 2013-11-22 2014-06-25 国家电网公司 Remote phase calibration device
CN103630764A (en) * 2013-12-04 2014-03-12 国家电网公司 Multi-application wireless phase detector unit
CN104092738A (en) * 2014-06-25 2014-10-08 国网福建南安市供电有限公司 Long-distance nuclear phase system and method based on wireless Internet
CN104155523A (en) * 2014-08-20 2014-11-19 国家电网公司 Satellite timing remote wireless phase detector
CN204495907U (en) * 2015-03-26 2015-07-22 国网辽宁省电力有限公司抚顺供电公司 10kV ring main unit wireless core phase instrument

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107782986A (en) * 2017-10-17 2018-03-09 苏州斯威高科信息技术有限公司 A kind of online nuclear-phase method of low-voltage circuit, apparatus and system

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Application publication date: 20150624