CN104142487A - Electrified detecting device for tank type capacitor voltage transformer - Google Patents
Electrified detecting device for tank type capacitor voltage transformer Download PDFInfo
- Publication number
- CN104142487A CN104142487A CN201410406259.6A CN201410406259A CN104142487A CN 104142487 A CN104142487 A CN 104142487A CN 201410406259 A CN201410406259 A CN 201410406259A CN 104142487 A CN104142487 A CN 104142487A
- Authority
- CN
- China
- Prior art keywords
- voltage
- signal
- unit
- type capacitor
- temperature
- 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.)
- Granted
Links
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention provides an electrified detecting device for a tank type capacitor voltage transformer. The electrified detecting device comprises a temperature detecting unit connected with a fault recording unit, and a signal converting unit connected with the fault recording unit and an online verifying unit. The temperature data input end of the device comprises three temperature collecting points used for collecting the outdoor environment temperature and the temperature of the tested tank type capacitor voltage transformer. The voltage data input end is connected with the output end of the tested tank type capacitor voltage transformer and the output end of a standard tank type capacitor voltage transformer. Compared with the prior art, the electrified detecting device for the tank type capacitor voltage transformer can carry out long-term electrified detection on the tank type capacitor voltage transformer, record secondary end voltages of the transformer under different temperatures and detect the output voltage and the phase position.
Description
Technical field
The present invention relates to a kind of detection device for voltage mutual inductor, be specifically related to a kind of can type capacitor voltage mutual inductor measuring device with electricity.
Background technology
Can type capacitor voltage mutual inductor is applicable to voltage levels electrical network, and especially extra-high voltage grid, distinguishes and be that the structure of capacitive divider is different compared to the maximum of traditional pillar capacitance type potential transformer.The insulating medium of the capacitive divider of column type capacitor formula voltage transformer (VT) is the expendable organic insulations of insulating property.The insulating medium of the capacitive divider of can type capacitor voltage mutual inductor is the recoverable SF6 gases of insulating property; Capacitive divider adopts concentric cylinder body structure, distributed capacitance between high-field electrode and the middle piezoelectricity utmost point forms the high-voltage capacitance C1 of can type capacitor voltage mutual inductor, the middle piezoelectricity that distributed capacitance between the middle piezoelectricity utmost point and shell forms can type capacitor voltage mutual inductor holds C2, and middle piezoelectricity utmost point output connects electromagnetic unit; Its high-voltage capacitance C1, middle piezoelectricity hold C2 and electromagnetic unit is all enclosed in the housing that is full of SF6 gas.
Therefore, the design feature based on can type capacitor voltage mutual inductor, need to provide a kind of device of output signal of the can type capacitor voltage mutual inductor that can detect long-term charging operation, to meet the transmission of electricity requirement of voltage levels electrical network.
Summary of the invention
In order to meet the needs of prior art, the invention provides a kind of can type capacitor voltage mutual inductor measuring device with electricity, described device comprises the temperature detecting unit being connected with failure wave-recording unit, and the signal conversion unit being connected with on-line testing unit with described failure wave-recording unit respectively;
The temperature data input end of described device comprises the temperature acquisition point that gathers respectively outdoor environment temperature and tested can type capacitor voltage mutual inductor temperature; The voltage data input end of described device is connected with the output terminal of standard can type capacitor voltage mutual inductor with described tested can type capacitor voltage mutual inductor respectively.
Preferably, described temperature acquisition point is separately positioned on top and the side of sweat box, described tested can type capacitor voltage mutual inductor; The temperature acquisition point of described sweat box is used for gathering outdoor environment temperature;
Preferably, described temperature detecting unit comprises temperature transmitter and sample resistance; Described temperature transmitter is converted to 4～20mA current signal by the temperature value of measurement; Described sample resistance is converted to voltage signal by described current signal, sends to described failure wave-recording unit;
Preferably, described signal conversion unit comprises twin-stage autocoupling type inductive voltage divider and Overvoltage protecting unit;
The I level iron core of described inductive voltage divider adopts cold-reduced silicon sheet iron core, and II level iron core adopts permalloy iron core; On described II level iron core, be wound around six sections of windings, and separate five voltage taps; The rated primary voltage of described inductive voltage divider is 100V, and the secondary output voltage of described inductive voltage divider comprises 1.625V, 2V, 3.25V, 4V and 6.5V;
Preferably, described failure wave-recording unit comprises signal processing unit, DSP processing unit, storer and alarm unit;
Described signal processing unit is the signal processing unit based on FPGA, the voltage signal step-down of described temperature detecting unit and the transmission of described signal conversion unit is processed, and be converted to digital signal;
Described DSP processing unit, according to fault threshold and fault type, is monitored the voltage data that described signal processing unit sends; If described voltage data is less than described fault threshold, described voltage data is regularly stored in the conventional storage unit of described storer; If described voltage data is greater than described fault threshold, described voltage data regularly stores in the fault memory cell of described storer, and sends alarm command to described alarm unit;
The type of alarm of described alarm unit comprises with wireless network transmission failure alarm signal and sends alarming short message with wireless module;
Preferably, described on-line testing unit comprises data acquisition module, programmable amplifier, A/D modular converter, DSP processing module and LCD LCDs;
The voltage signal U of the tested can type capacitor voltage mutual inductor that described data acquisition module sends described signal conversion unit
xvoltage signal U with standard can type capacitor voltage mutual inductor
ncarry out differential mode computing, obtain pressure difference signal Δ U; Described data acquisition module comprises two output terminals, exports respectively described pressure difference signal Δ U and described voltage signal U
n;
The number of described programmable amplifier is two, respectively by described pressure difference signal Δ U and described voltage signal U
nafter amplification, send to described A/D modular converter and be converted to digital voltage signal;
Described DSP processing module is calculated amplitude and the phase place of described pressure difference signal Δ U according to described digital voltage signal, and sends to the demonstration of LCD LCDs;
Preferably, described A/D modular converter comprises phase-locking frequency multiplication circuit, realizes described pressure difference signal Δ U and described voltage signal U
naC sampling complete cycle;
Preferably, described device comprises ups power, for providing uninterrupted power source to described temperature detecting unit, signal conversion unit, on-line testing unit and failure wave-recording unit.
Compare with immediate prior art, excellent effect of the present invention is:
1, in technical solution of the present invention, failure wave-recording unit can record the fault waveform of tested CVT and report to the police, and comprises two kinds of modes of network alarming and SMS alarm;
2,, in technical solution of the present invention, on-line testing unit can be to quick and precisely detecting ratio error and the phase error of the output error signal of tested CVT and standard C VT;
3, in technical solution of the present invention, adopt ups power to provide uninterrupted power source to temperature detecting unit, signal conversion unit, on-line testing unit and failure wave-recording unit, assurance pick-up unit is normally worked;
4, a kind of can type capacitor voltage mutual inductor measuring device with electricity provided by the invention, can be with electro-detection for a long time to can type capacitor voltage mutual inductor, records mutual inductor secondary terminals voltage under different temperatures;
5, a kind of can type capacitor voltage mutual inductor measuring device with electricity provided by the invention, realizes the output voltage of the can type capacitor voltage mutual inductor of long-time running is detected, and output phase detects, and precision reaches 0.1 grade.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1 is: a kind of can type capacitor voltage mutual inductor measuring device with electricity structural drawing in the embodiment of the present invention;
Fig. 2 is: the connection diagram of temperature detecting unit in the embodiment of the present invention;
Fig. 3 is: the schematic diagram of temperature detecting unit in the embodiment of the present invention;
Fig. 4 is: signal conversion unit fundamental diagram in the embodiment of the present invention;
Fig. 5 is: inductive voltage divider structural drawing in the embodiment of the present invention;
Fig. 6 is: the schematic diagram of failure wave-recording unit in the embodiment of the present invention;
Fig. 7 is: the schematic diagram of on-line testing unit in the embodiment of the present invention.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
A kind of can type capacitor voltage mutual inductor measuring device with electricity provided by the invention, comprises temperature data input end, voltage data input end, temperature detecting unit, signal conversion unit, failure wave-recording unit, on-line testing unit and ups power as shown in Figure 1.
1, temperature detecting unit:
Temperature detecting unit is connected between temperature data input end and temperature detecting unit, for detection of the temperature of outdoor environment temperature and tested can type capacitor voltage mutual inductor;
Temperature data input end comprises three temperature acquisition points, and collection point is separately positioned on top and the side of sweat box, tested can type capacitor voltage mutual inductor as shown in Figure 2; The temperature acquisition point of sweat box is used for gathering outdoor environment temperature.
As shown in Figure 3, temperature detecting unit comprises temperature transmitter and sample resistance;
Temperature transmitter is converted to 4～20mA current signal by the temperature data of measurement, and wherein thermistor is converted to resistance value by temperature signal, and temperature-current converter circuit is converted to 4～20mA current signal by this resistance value
Sample resistance is converted to voltage signal by current signal, sends to described failure wave-recording unit.
2, signal conversion unit;
As shown in Figure 4, signal conversion unit comprises twin-stage autocoupling type inductive voltage divider and Overvoltage protecting unit;
1.: Overvoltage protecting unit is for carrying out insulation blocking to the output signal of inductive voltage divider;
2.: as shown in Figure 5, in the present embodiment, the I level iron core of twin-stage autocoupling type inductive voltage divider adopts cold-reduced silicon sheet iron core, and II level iron core adopts permalloy iron core;
The even hundreds of circles of coiling on I level iron core, excitation winding AX; On II level iron core, be wound around six sections of winding A
0x
0, and separate five voltage taps; The rated primary voltage of inductive voltage divider is 100V, and the secondary output voltage of inductive voltage divider comprises 1.625V, 2V, 3.25V, 4V and 6.5V.The even coiling of winding can reduce winding Lou Kang, thus the error of deperming.
3, failure wave-recording unit;
As shown in Figure 6, failure wave-recording unit comprises signal processing unit, DSP processing unit, storer and alarm unit;
1.: signal processing unit is the signal processing unit based on FPGA, the voltage signal step-down of temperature detecting unit and signal conversion unit transmission is processed, and be converted to digital signal;
2. the voltage data that: DSP processing unit is according to fault threshold and fault type, monitor signal processing unit sends;
If voltage data is less than fault threshold, voltage data is regularly stored in the conventional storage unit of storer; If voltage data is greater than fault threshold, voltage data is regularly stored in the fault memory cell of storer, and send alarm command to alarm unit; In the present embodiment, regularly memory gap is 10～360 minutes.
In the present embodiment, conventional storage unit is the storer of storage can type capacitor voltage mutual inductor output signal while normally working, the storer of relative fault memory cell output signal during for storage can type capacitor voltage mutual inductor fault.
3.: the type of alarm of alarm unit comprises with wireless network transmission failure alarm signal and sends alarming short message with wireless module.
4, on-line testing unit;
As shown in Figure 7, on-line testing unit comprises data acquisition module, programmable amplifier, A/D modular converter, DSP processing module, keyboard and LCD LCDs;
1.: data acquisition module receives the voltage signal U of the tested can type capacitor voltage mutual inductor of signal conversion unit transmission
xvoltage signal U with standard can type capacitor voltage mutual inductor
n, and the two is carried out to differential mode computing, obtain pressure difference signal Δ U;
Two output terminals of data acquisition module, respectively to programmable amplifier output pressure difference signal Δ U and voltage signal U
n;
2.: the number of programmable amplifier is two, respectively by pressure difference signal Δ U and voltage signal U
nafter amplification, send to A/D modular converter and be converted to digital voltage signal;
3.: A/D modular converter comprises phase-locking frequency multiplication circuit, realize pressure difference signal Δ U and voltage signal U
naC sampling complete cycle;
: DSP processing module is calculated amplitude and the phase place of pressure difference signal Δ U according to digital voltage signal, and send to LCD LCDs and show 4.;
5.: keyboard, be convenient to the method for computing data that technician controls DSP processing module, as adopted the method for Fast Fourier Transform (FFT) to calculate amplitude and the phase place of pressure difference signal Δ U.
5, ups power;
For providing uninterrupted power source to temperature detecting unit, signal conversion unit, on-line testing unit and failure wave-recording unit, guarantee that this pick-up unit normally works.
Finally should be noted that: described embodiment is only the application's part embodiment, rather than whole embodiment.Embodiment based in the application, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the application's protection.
Claims (8)
1. a can type capacitor voltage mutual inductor measuring device with electricity, is characterized in that, described device comprises the temperature detecting unit being connected with failure wave-recording unit, and the signal conversion unit being connected with on-line testing unit with described failure wave-recording unit respectively;
The temperature data input end of described device comprises the temperature acquisition point that gathers respectively outdoor environment temperature and tested can type capacitor voltage mutual inductor temperature; The voltage data input end of described device is connected with the output terminal of standard can type capacitor voltage mutual inductor with described tested can type capacitor voltage mutual inductor respectively.
2. device as claimed in claim 1, is characterized in that, described temperature acquisition point is separately positioned on top and the side of sweat box, described tested can type capacitor voltage mutual inductor; The temperature acquisition point of described sweat box is used for gathering outdoor environment temperature.
3. device as claimed in claim 1, is characterized in that, described temperature detecting unit comprises temperature transmitter and sample resistance; Described temperature transmitter is converted to 4～20mA current signal by the temperature value of measurement; Described sample resistance is converted to voltage signal by described current signal, sends to described failure wave-recording unit.
4. device as claimed in claim 1, is characterized in that, described signal conversion unit comprises twin-stage autocoupling type inductive voltage divider and Overvoltage protecting unit;
The I level iron core of described inductive voltage divider adopts cold-reduced silicon sheet iron core, and II level iron core adopts permalloy iron core; On described II level iron core, be wound around six sections of windings, and separate five voltage taps; The rated primary voltage of described inductive voltage divider is 100V, and the secondary output voltage of described inductive voltage divider comprises 1.625V, 2V, 3.25V, 4V and 6.5V.
5. device as claimed in claim 1, is characterized in that, described failure wave-recording unit comprises signal processing unit, DSP processing unit, storer and alarm unit;
Described signal processing unit is the signal processing unit based on FPGA, the voltage signal step-down of described temperature detecting unit and the transmission of described signal conversion unit is processed, and be converted to digital signal;
Described DSP processing unit, according to fault threshold and fault type, is monitored the voltage data that described signal processing unit sends; If described voltage data is less than described fault threshold, described voltage data is regularly stored in the conventional storage unit of described storer; If described voltage data is greater than described fault threshold, described voltage data regularly stores in the fault memory cell of described storer, and sends alarm command to described alarm unit;
The type of alarm of described alarm unit comprises with wireless network transmission failure alarm signal and sends alarming short message with wireless module.
6. device as claimed in claim 1, is characterized in that, described on-line testing unit comprises data acquisition module, programmable amplifier, A/D modular converter, DSP processing module and LCD LCDs;
The voltage signal U of the tested can type capacitor voltage mutual inductor that described data acquisition module sends described signal conversion unit
xvoltage signal U with standard can type capacitor voltage mutual inductor
ncarry out differential mode computing, obtain pressure difference signal Δ U; Described data acquisition module comprises two output terminals, exports respectively described pressure difference signal Δ U and described voltage signal U
n;
The number of described programmable amplifier is two, respectively by described pressure difference signal Δ U and described voltage signal U
nafter amplification, send to described A/D modular converter and be converted to digital voltage signal;
Described DSP processing module is calculated amplitude and the phase place of described pressure difference signal Δ U according to described digital voltage signal, and sends to the demonstration of LCD LCDs.
7. device as claimed in claim 1, is characterized in that, described A/D modular converter comprises phase-locking frequency multiplication circuit, realizes described pressure difference signal Δ U and described voltage signal U
naC sampling complete cycle.
8. device as claimed in claim 1, is characterized in that, described device comprises ups power, for providing uninterrupted power source to described temperature detecting unit, signal conversion unit, on-line testing unit and failure wave-recording unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410406259.6A CN104142487B (en) | 2014-08-18 | 2014-08-18 | Electrified detecting device for tank type capacitor voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410406259.6A CN104142487B (en) | 2014-08-18 | 2014-08-18 | Electrified detecting device for tank type capacitor voltage transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104142487A true CN104142487A (en) | 2014-11-12 |
| CN104142487B CN104142487B (en) | 2017-05-10 |
Family
ID=51851715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410406259.6A Active CN104142487B (en) | 2014-08-18 | 2014-08-18 | Electrified detecting device for tank type capacitor voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104142487B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182269A (en) * | 2015-09-16 | 2015-12-23 | 国家电网公司 | Voltage transformer calibration instrument with temperature measurement function |
| CN106646324A (en) * | 2017-01-25 | 2017-05-10 | 云南电网有限责任公司电力科学研究院 | CVT metering error abnormal state evaluation method and CVT metering error abnormal state evaluation system |
| CN109116285A (en) * | 2018-08-22 | 2019-01-01 | 国网江苏省电力有限公司盐城供电分公司 | A kind of capacitance type potential transformer measuring device with electricity based on multi-signal acquisition |
| CN111948480A (en) * | 2020-08-17 | 2020-11-17 | 国网四川省电力公司成都供电公司 | GIS equivalent model and PT temperature characteristic and discharge map research platform based on same |
| CN113394013A (en) * | 2021-05-18 | 2021-09-14 | 周龙珍 | Intelligent voltage transformer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5510567A (en) * | 1978-07-11 | 1980-01-25 | Nippon Denki Keiki Kenteishiyo | Test device for meter transformer |
| CN201438213U (en) * | 2009-07-16 | 2010-04-14 | 华东电力试验研究院有限公司 | Electronic current transformer polarity measurement system |
| CN102053191A (en) * | 2010-12-06 | 2011-05-11 | 国电南瑞科技股份有限公司 | Electronic voltage transformer using data fusion technology and error calibration method thereof |
| CN103616652A (en) * | 2013-11-23 | 2014-03-05 | 华中科技大学 | Error measurement method, system and application for capacitive voltage divider |
| CN103630867A (en) * | 2013-12-06 | 2014-03-12 | 国家电网公司 | Mutual inductor electrified verifying device |
| CN103954417A (en) * | 2014-04-09 | 2014-07-30 | 国家电网公司 | Field testing method of optical fiber current transformer |
-
2014
- 2014-08-18 CN CN201410406259.6A patent/CN104142487B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5510567A (en) * | 1978-07-11 | 1980-01-25 | Nippon Denki Keiki Kenteishiyo | Test device for meter transformer |
| CN201438213U (en) * | 2009-07-16 | 2010-04-14 | 华东电力试验研究院有限公司 | Electronic current transformer polarity measurement system |
| CN102053191A (en) * | 2010-12-06 | 2011-05-11 | 国电南瑞科技股份有限公司 | Electronic voltage transformer using data fusion technology and error calibration method thereof |
| CN103616652A (en) * | 2013-11-23 | 2014-03-05 | 华中科技大学 | Error measurement method, system and application for capacitive voltage divider |
| CN103630867A (en) * | 2013-12-06 | 2014-03-12 | 国家电网公司 | Mutual inductor electrified verifying device |
| CN103954417A (en) * | 2014-04-09 | 2014-07-30 | 国家电网公司 | Field testing method of optical fiber current transformer |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182269A (en) * | 2015-09-16 | 2015-12-23 | 国家电网公司 | Voltage transformer calibration instrument with temperature measurement function |
| CN105182269B (en) * | 2015-09-16 | 2018-04-06 | 国家电网公司 | A kind of voltage transformer tester with temperature measurement function |
| CN106646324A (en) * | 2017-01-25 | 2017-05-10 | 云南电网有限责任公司电力科学研究院 | CVT metering error abnormal state evaluation method and CVT metering error abnormal state evaluation system |
| CN106646324B (en) * | 2017-01-25 | 2019-03-12 | 云南电网有限责任公司电力科学研究院 | A kind of CVT measurement error abnormality appraisal procedure and system |
| CN109116285A (en) * | 2018-08-22 | 2019-01-01 | 国网江苏省电力有限公司盐城供电分公司 | A kind of capacitance type potential transformer measuring device with electricity based on multi-signal acquisition |
| CN111948480A (en) * | 2020-08-17 | 2020-11-17 | 国网四川省电力公司成都供电公司 | GIS equivalent model and PT temperature characteristic and discharge map research platform based on same |
| CN113394013A (en) * | 2021-05-18 | 2021-09-14 | 周龙珍 | Intelligent voltage transformer |
| CN113394013B (en) * | 2021-05-18 | 2022-06-07 | 南京博纳威电子科技有限公司 | Intelligent voltage transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104142487B (en) | 2017-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201373895Y (en) | Online monitoring device of zinc oxide arrester (MOA) | |
| CN104142487A (en) | Electrified detecting device for tank type capacitor voltage transformer | |
| JP6547217B2 (en) | Capacitor-type instrument transformer for transient overvoltage monitoring system | |
| CN106771477B (en) | Large-caliber high-sensitivity high-voltage direct current cable leakage current detection sensor | |
| CN103018575B (en) | A kind of method utilizing large power, electrically sensing electricity testing device to measure high-power inductance | |
| CN204214962U (en) | A kind of charger common-mode noise test circuit and proving installation | |
| CN103926466A (en) | Electrical equipment loop resistor test system and contact state evaluation method | |
| EP3779475B1 (en) | Insulation detection circuit and insulation detection method | |
| CN104062506A (en) | Measuring method and device for ohmic internal resistance of storage battery | |
| CN102680768B (en) | Mono-polar type voltage measurement sensor with self-correction and self-construct electric filed and measurement method | |
| CN202486269U (en) | State tester of electrical equipment | |
| CN104076254A (en) | Alternating current excitation insulation detection circuit | |
| CN102928778B (en) | A kind of three-phase motor of nuclear power station starts overall characteristic test system | |
| CN203502555U (en) | Electrical characteristic detecting device for multifunctional high-voltage circuit breaker | |
| CN104569598A (en) | Nondestructive detection circuit and method for insulation resistance of high-voltage battery energy storage system | |
| CN102253346B (en) | Method and device for automatically testing battery charging | |
| CN103439681A (en) | Electronic current transformer short-time current vibration test device and method thereof | |
| CN105548725A (en) | Online detector for super capacitor and internal resistance detection method based on detector | |
| CN203025253U (en) | Capacitive equipment dielectric loss energized testing device | |
| CN104155627A (en) | Error characteristic detection method of extra high voltage capacitive voltage transformer | |
| CN104034977B (en) | Capacitance type potential transformer live detection instrument | |
| CN108181600B (en) | Capacitor voltage transformer testing device | |
| CN103105525A (en) | Precision compensation method of current clamp, detection method and detection system using current clamp | |
| CN202939297U (en) | Verification system for ground resistance tester | |
| CN202042351U (en) | Capacitor voltage transformer component system with transient overvoltage monitoring unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Sien Inventor after: Ding Guocheng Inventor after: Du Yan Inventor after: Qiu Jin Inventor after: Wang Ling Inventor after: Yu Chunyu Inventor after: Chen Xiaoming Inventor after: Chen Jiangbo Inventor after: He Yan Inventor after: Wang Shuping Inventor after: Zhu Sisi Inventor after: Wang Benjin Inventor after: Wu Shipu Inventor after: Li Wei Inventor after: Li Xuan Inventor after: Wang Xiaoqi Inventor after: Wang Liufang Inventor after: Mao Anlan Inventor after: Feng Yu Inventor before: Xu Sien Inventor before: Wang Ling Inventor before: Yu Chunyu Inventor before: Chen Xiaoming Inventor before: Chen Jiangbo Inventor before: He Yan Inventor before: Xu Jing Inventor before: Zhou Cuijuan Inventor before: Zhu Sisi Inventor before: Wang Benjin Inventor before: Wu Shipu Inventor before: Li Xuan Inventor before: Wang Xiaoqi Inventor before: Mao Anlan Inventor before: Feng Yu Inventor before: Du Yan Inventor before: Qiu Jin |
|
| CB03 | Change of inventor or designer information | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: CHINA ELECTRIC POWER RESEARCH INSTITUTE Co.,Ltd. Patentee after: State Grid Corporation of China Co-patentee after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: China Electric Power Research Institute Patentee before: State Grid Corporation of China Co-patentee before: JIANGSU ELECTRIC POWER Co. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171219 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: CHINA ELECTRIC POWER RESEARCH INSTITUTE Co.,Ltd. Patentee after: State Grid Corporation of China Co-patentee after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. Co-patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID ANHUI ELECTRIC POWER Co. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: CHINA ELECTRIC POWER RESEARCH INSTITUTE Co.,Ltd. Patentee before: State Grid Corporation of China Co-patentee before: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. |
|
| TR01 | Transfer of patent right |