CN105067853A - Length-adjustable high voltage energy meter capable of live-line installation - Google Patents
Length-adjustable high voltage energy meter capable of live-line installation Download PDFInfo
- Publication number
- CN105067853A CN105067853A CN201510617673.6A CN201510617673A CN105067853A CN 105067853 A CN105067853 A CN 105067853A CN 201510617673 A CN201510617673 A CN 201510617673A CN 105067853 A CN105067853 A CN 105067853A
- Authority
- CN
- China
- Prior art keywords
- assembly
- energy meter
- electric energy
- voltage electric
- voltage
- 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
- 238000009434 installation Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims description 2
- 239000000725 suspension Substances 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Electric Cable Installation (AREA)
Abstract
The embodiment of the invention discloses a length-adjustable high voltage energy meter capable of live-line installation and solves the problem that a conventional high voltage energy meter can complete suspension line installation by changing the distance between high voltage overhead lines in advance. The length-adjustable high voltage energy meter capable of live-line installation comprises a first assembly, a second assembly and a third assembly. The first assembly, the second assembly and the third assembly are sequentially movably connected. One end of the first assembly is movably connected with the second assembly through a foldable structure, the other end of the first assembly is provided with a clamp mechanism, and the clamp mechanism is internally provided with a puncture electricity-taking element. One end of the third assembly is movably connected with the second assembly through a foldable structure, the other end of the third assembly is provided with a clamp mechanism, and the clamp mechanism is internally provided with a puncture electricity-taking element. The high voltage energy meter is internally provided with a current transformer and a voltage transformer. An electricity-taking circuit is formed through the puncture electricity-taking elements through the first assembly and the third assembly.
Description
Technical field
The present invention relates to high-voltage electric energy meter technical field, particularly relate to the high-voltage electric energy meter of the charged installation of a kind of adjustable length.
Background technology
The voltage of high voltage overhead lines, usually up to 6 ~ 35KV, has high danger, therefore also for the test of high voltage overhead lines brings great difficulty.At present, the high-voltage electric energy meter of charged installation can directly be arranged on two high voltage overhead lines seton-type to be tested, and avoiding classic method needs power-off could measure the situation of high voltage overhead lines, for measuring process brings great convenience.
But, existing charged its length of installation high-voltage electric energy meter is fixing, and the alternate width of high voltage overhead lines can change because of factors such as installation site, mounting distance, surrounding enviroment restrictions, therefore often needing when using charged installation high-voltage electric energy meter the spacing changing high voltage overhead lines in advance, just can complete hanging wire and installing.
Summary of the invention
Embodiments provide the high-voltage electric energy meter of the charged installation of a kind of adjustable length, the spacing that can solve existing high-voltage electric energy meter needs to change in advance high voltage overhead lines just can complete the problem that hanging wire is installed.
The high-voltage electric energy meter of the charged installation of a kind of adjustable length that the embodiment of the present invention provides, comprising: the first assembly, the second assembly and the 3rd assembly;
Described first assembly, the second assembly and the 3rd assembly are flexibly connected successively;
Described first assembly one end is connected with described second component activity by folding structure, and the other end is provided with clamping device, is provided with puncture power taking element in described clamping device;
Described 3rd assembly one end is connected with described second component activity by folding structure, and the other end is provided with clamping device, is provided with puncture power taking element in described clamping device;
Current transformer and voltage transformer (VT) are installed in described high-voltage electric energy meter, form power taking loop by the puncture power taking element on described first assembly and described 3rd assembly.
Alternatively, described high-voltage electric energy meter inside is also provided with the metering outfit for calculating electric flux.
Alternatively, described high-voltage electric energy meter inside is also provided with GPRS communication apparatus, for the data measured being sent to the server on ground.
Alternatively, described high-voltage electric energy meter inside is also provided with 470MHZ communication apparatus, for the data transmission between high-voltage electric energy meter described in two or more.
Alternatively, described current transformer and described voltage transformer (VT) are installed in described first component internal.
Alternatively, described second component internal is provided with high-tension fuse.
Alternatively, described clamping device is specially an open-type iron core mutual inductor, which is provided with iron core upper half shell and open-close type iron core active shell;
Described puncture power taking element is specially occlusal pattern puncture five metals, is embedded on the intrados of described iron core mutual inductor.
Alternatively, described first assembly and described second assembly, to be all flexibly connected by bindiny mechanism between described second assembly and described 3rd assembly, described bindiny mechanism comprises rotary part and folding means;
Described rotary part comprises flexible connection pedestal top and is flexibly connected pedestal bottom, rotate relative to carrying out axle between described flexible connection pedestal top and flexible connection pedestal bottom, described flexible connection pedestal upper one end is connected with described flexible connection pedestal bottom, and the other end is connected with described first assembly or described 3rd assembly;
Described flexible connection pedestal lower end thereof is connected with described flexible connection pedestal top, and the other end is then connected with described folding means.
Alternatively, the joint of described folding means is provided with fold latch, for locking described folding means.
Alternatively, the outside of described first assembly, the second assembly and the 3rd assembly is equipped with rain skirt.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
In the embodiment of the present invention, the high-voltage electric energy meter of the charged installation of a kind of adjustable length can, according to the alternate line-spacing adjustment width of high voltage overhead lines, without the need to changing the spacing of high voltage overhead lines in advance, facilitate hanging wire to install.
Accompanying drawing explanation
Fig. 1 is high-voltage electric energy meter example structure figure of the charged installation of a kind of adjustable length in the embodiment of the present invention;
Fig. 2 is a kind of hanging wire scheme of installation of the high-voltage electric energy meter of the charged installation of a kind of adjustable length in the embodiment of the present invention;
Fig. 3 is the another kind of hanging wire scheme of installation of the high-voltage electric energy meter of the charged installation of a kind of adjustable length in the embodiment of the present invention;
Fig. 4 is another example structure figure of high-voltage electric energy meter of the charged installation of a kind of adjustable length in the embodiment of the present invention.
Embodiment
Embodiments provide the high-voltage electric energy meter of the charged installation of a kind of adjustable length, the spacing needing to change in advance high voltage overhead lines for solving existing high-voltage electric energy meter just can complete the problem of hanging wire installation.
For making goal of the invention of the present invention, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, the embodiments described below are only the present invention's part embodiments, and the embodiment of not all.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, in the embodiment of the present invention, the high-voltage electric energy meter of the charged installation of a kind of adjustable length comprises: the first assembly 101, second assembly 102 and the 3rd assembly 103.This first assembly 101, second assembly 102 and the 3rd assembly 103 are flexibly connected successively, collapsible between this first assembly 101 and second assembly 102, collapsible between this second assembly 102 and the 3rd assembly 103.
This first assembly 101 one end is flexibly connected with this second assembly 102, and the other end is provided with clamping device 104.Be provided with puncture power taking element in this clamping device 104, when this clamping device 104 is clamped on high voltage overhead lines, puncture is gone electric device to stretch out and thrusts in high voltage overhead lines, realizes puncture power taking.
3rd assembly 103 one end is flexibly connected with this second assembly 102, and the other end is provided with clamping device 104.Be provided with puncture power taking element in this clamping device 104, when this clamping device 104 is clamped on high voltage overhead lines, puncture power taking element stretches out and thrusts in high voltage overhead lines, realizes puncture power taking.
It should be noted that, during due to high voltage overhead lines being measured, high-voltage electric energy meter is accompanied with powerful electromagnetic field.Therefore, for avoiding the electromagnetic field between each assembly mutually to disturb, the first assembly 101, second assembly 102 and the 3rd assembly 103 folding angles between the two minimum be 100 degree, be 180 degree to the maximum.When folding angles is 100 degree, the scheme of installation of the present embodiment mesohigh electric energy meter as shown in Figure 2: when the three-phase (A phase, B phase, C phase) to high voltage overhead lines is measured, need at least two high-voltage electric energy meters.One hangs between A phase pole line and B phase pole line, and another hangs between B phase pole line and C phase pole line.In like manner, and when folding angles is 180 degree, the scheme of installation of the present embodiment mesohigh electric energy meter as shown in Figure 3.
It should be noted that, current transformer (CT) and voltage transformer (VT) (PT) are installed in this high-voltage electric energy meter, power taking loop is formed by the puncture power taking element on the first assembly 101 and the 3rd assembly 103, current transformer and voltage transformer (VT) can be measured obtain the electric current between two-phase and voltage value, for follow-up measurement and process.Further, the assemblies such as metering outfit, GPRS communication apparatus, 470MHZ communication apparatus, high voltage device can also be installed in this high-voltage electric energy meter, to promote performance and the function of high-voltage electric energy meter.Wherein, when the arranging of communication apparatus can make high-voltage electric energy meter hang on high voltage overhead lines, can the data measured be sent in the server on ground, required measurement result is calculated according to measuring the data obtained by server, and without the need to by the time by high-voltage electric energy meter from could computation and measurement result after high voltage overhead lines takes off, use convenient.On the other hand, consult Fig. 2 or Fig. 3, when two high-voltage electric energy meters are measured with C phase A phase and B phase, B phase respectively, wherein first high-voltage electric energy meter can pass through 470MHZ communication apparatus and second high-voltage electric energy meter real-time communication, send to second high-voltage electric energy meter by measuring the data obtained, then the data that two high-voltage electric energy meters are measured are sent to together the server on ground by second high-voltage electric energy meter; Or after the data that measurement obtains are sent to second high-voltage electric energy meter by the first high-voltage electric energy meter, the measurement data of two high-voltage electric energy meters is carried out compose operation by second high-voltage electric energy meter, draw total energy value, then the measurement data processed and total energy value are sent to ground-based server.
Preferably, it is inner that this current transformer and voltage transformer (VT) are installed in the first assembly 101, thus make this high-voltage electric energy meter integrated level higher, shortens the length of UNICOM's circuit between current transformer and voltage transformer (VT).
Preferably, this second assembly 102 inside can also be provided with high-tension fuse, as the protection element on high pressure power taking loop.
Refer to Fig. 4, this clamping device 104 is specifically as follows an open-type iron core mutual inductor 1, which is provided with iron core upper half shell 2 and open-close type iron core active shell 11, and on the intrados of this iron core mutual inductor 1, embed occlusal pattern puncture five metals.The shell of this first assembly 101 and the 3rd assembly 103 includes circuit board room 3 and high voltage device cavity 4, wherein, is provided with rain skirt 5 outside high voltage device cavity 4.This first assembly 101 and being all flexibly connected by bindiny mechanism between the second assembly 102, second assembly 102 and the 3rd assembly 103, this bindiny mechanism comprises rotary part and folding means 10.Rotary part comprises flexible connection pedestal top 6 and is flexibly connected pedestal bottom 7, be flexibly connected pedestal top 6 and be flexibly connected between pedestal bottom 7 and can rotate relative to carrying out axle, be flexibly connected one end, pedestal top 6 to be connected with flexible connection pedestal bottom 7, the other end is connected with the first assembly 101 or the 3rd assembly 103.And be flexibly connected one end, pedestal bottom 7 with flexible connection pedestal top 6 be connected, the other end is then connected with folding means 10, as shown in Figure 4.It should be noted that the joint of folding means 10 can be provided with fold latch 8, after high-voltage electric energy meter is according to the good length of the width adjusting between high voltage overhead lines, lockable fold latch 8, makes high-voltage electric energy meter keep current length and folding angles.In addition, this second assembly 102 comprises in it interlude cavity 9 being provided with high-tension fuse, and is located at the rain skirt 5 on interlude cavity 9.
In the present embodiment, the high-voltage electric energy meter of the charged installation of a kind of adjustable length has the following advantages:
1, can, according to the alternate line-spacing adjustment width of high voltage overhead lines, hanging wire be facilitated to install;
2, be provided with puncture power taking element in clamping device 104, realize charged installation power taking operation;
3, integration degree is high, is convenient to produce, in-site installation and use;
4, guarantee creepage distance between high pressure phase, ensure the safety of high-tension line safety and operating personnel.
Above the high-voltage electric energy meter of the charged installation of a kind of adjustable length provided by the present invention is described in detail, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a high-voltage electric energy meter for the charged installation of adjustable length, is characterized in that, comprising: the first assembly, the second assembly and the 3rd assembly;
Described first assembly, the second assembly and the 3rd assembly are flexibly connected successively;
Described first assembly one end is connected with described second component activity by folding structure, and the other end is provided with clamping device, is provided with puncture power taking element in described clamping device;
Described 3rd assembly one end is connected with described second component activity by folding structure, and the other end is provided with clamping device, is provided with puncture power taking element in described clamping device;
Current transformer and voltage transformer (VT) are installed in described high-voltage electric energy meter, form power taking loop by the puncture power taking element on described first assembly and described 3rd assembly.
2. high-voltage electric energy meter according to claim 1, is characterized in that, described high-voltage electric energy meter inside is also provided with the metering outfit for calculating electric flux.
3. high-voltage electric energy meter according to claim 1, is characterized in that, described high-voltage electric energy meter inside is also provided with GPRS communication apparatus, for the data measured being sent to the server on ground.
4. high-voltage electric energy meter according to claim 1, is characterized in that, described high-voltage electric energy meter inside is also provided with 470MHZ communication apparatus, for the data transmission between high-voltage electric energy meter described in two or more.
5. high-voltage electric energy meter according to claim 1, is characterized in that, described current transformer and described voltage transformer (VT) are installed in described first component internal.
6. high-voltage electric energy meter according to claim 1, is characterized in that, described second component internal is provided with high-tension fuse.
7. high-voltage electric energy meter according to claim 1, is characterized in that, described clamping device is specially an open-type iron core mutual inductor, which is provided with iron core upper half shell and open-close type iron core active shell;
Described puncture power taking element is specially occlusal pattern puncture five metals, is embedded on the intrados of described iron core mutual inductor.
8. high-voltage electric energy meter according to claim 1, it is characterized in that, described first assembly and described second assembly, be all flexibly connected by bindiny mechanism between described second assembly and described 3rd assembly, described bindiny mechanism comprises rotary part and folding means;
Described rotary part comprises flexible connection pedestal top and is flexibly connected pedestal bottom, rotate relative to carrying out axle between described flexible connection pedestal top and flexible connection pedestal bottom, described flexible connection pedestal upper one end is connected with described flexible connection pedestal bottom, and the other end is connected with described first assembly or described 3rd assembly;
Described flexible connection pedestal lower end thereof is connected with described flexible connection pedestal top, and the other end is then connected with described folding means.
9. high-voltage electric energy meter according to claim 8, is characterized in that, the joint of described folding means is provided with fold latch, for locking described folding means.
10. high-voltage electric energy meter according to any one of claim 1 to 9, is characterized in that, the outside of described first assembly, the second assembly and the 3rd assembly is equipped with rain skirt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617673.6A CN105067853B (en) | 2015-09-24 | 2015-09-24 | A kind of high-voltage electric energy meter of the powered installation of adjustable length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617673.6A CN105067853B (en) | 2015-09-24 | 2015-09-24 | A kind of high-voltage electric energy meter of the powered installation of adjustable length |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105067853A true CN105067853A (en) | 2015-11-18 |
| CN105067853B CN105067853B (en) | 2018-04-20 |
Family
ID=54497272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510617673.6A Active CN105067853B (en) | 2015-09-24 | 2015-09-24 | A kind of high-voltage electric energy meter of the powered installation of adjustable length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105067853B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106841735A (en) * | 2017-02-17 | 2017-06-13 | 南京天溯自动化控制系统有限公司 | Power acquirer and its energy-consumption monitoring method |
| CN107681602A (en) * | 2017-11-02 | 2018-02-09 | 珠海安瑞通电子科技有限公司 | High-tension line monitoring device and its across connected connection device |
| CN108983004A (en) * | 2018-08-06 | 2018-12-11 | 国网山东省电力公司淄博供电公司 | The mobile 10kV line loss metering device of one or two fusions |
| CN109188068A (en) * | 2018-08-06 | 2019-01-11 | 国网山东省电力公司淄博供电公司 | Three-stage is U-shaped adjustable to charge installation high-voltage meter |
| CN109856453A (en) * | 2019-02-18 | 2019-06-07 | 国网山东省电力公司淄博供电公司 | A kind of high pressure directly takes the 10kV separated time line loss metering device of energy |
| CN110108910A (en) * | 2019-05-11 | 2019-08-09 | 宁波三星医疗电气股份有限公司 | A kind of electric energy meter and the electricity box with the electric energy meter |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3868136A (en) * | 1974-03-25 | 1975-02-25 | Schweitzer Edmund O Jun | Tool for manual manipulation of devices for application to and removal from high voltage conductors |
| US5136234A (en) * | 1990-10-04 | 1992-08-04 | Hastings Fiber Glass Products, Inc. | Digital high-voltage meter device |
| US5144227A (en) * | 1990-11-05 | 1992-09-01 | Hastings Fiber Glass Products, Inc. | Digital high-voltage meter for detecting a load to source voltage and a neutral position of a utility voltage regulator |
| CN2369250Y (en) * | 1999-04-21 | 2000-03-15 | 周干国 | Dry all sealed high voltage electric power meter |
| CN2582002Y (en) * | 2002-12-06 | 2003-10-22 | 杨新生 | Outdoor high-voltage dry-electric energy meter |
| CN2762144Y (en) * | 2004-12-27 | 2006-03-01 | 曹纪成 | Dry high-voltage power metering box |
| CN101571553A (en) * | 2009-06-09 | 2009-11-04 | 山东力创科技有限公司 | Minitype high-voltage electric energy meter directly arranged in 10KV power supply circuit |
| CN202206094U (en) * | 2011-08-18 | 2012-04-25 | 河南电力试验研究院 | Segment-combined type composite alternate spacing rod |
| CN104237613A (en) * | 2013-06-20 | 2014-12-24 | 国家电网公司 | High-voltage electricity verification device convenient to operate |
| CN104459226A (en) * | 2014-12-22 | 2015-03-25 | 深圳市航天泰瑞捷电子有限公司 | High-voltage line monitor and shell of high-voltage line monitor |
| CN204287273U (en) * | 2014-12-02 | 2015-04-22 | 国家电网公司 | A kind of high-voltage electric energy meter stationary installation |
| CN204964572U (en) * | 2015-09-24 | 2016-01-13 | 珠海安瑞通电子科技有限公司 | High -pressure electric energy meter of electrified installation of adjustable length |
-
2015
- 2015-09-24 CN CN201510617673.6A patent/CN105067853B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3868136A (en) * | 1974-03-25 | 1975-02-25 | Schweitzer Edmund O Jun | Tool for manual manipulation of devices for application to and removal from high voltage conductors |
| US5136234A (en) * | 1990-10-04 | 1992-08-04 | Hastings Fiber Glass Products, Inc. | Digital high-voltage meter device |
| US5144227A (en) * | 1990-11-05 | 1992-09-01 | Hastings Fiber Glass Products, Inc. | Digital high-voltage meter for detecting a load to source voltage and a neutral position of a utility voltage regulator |
| CN2369250Y (en) * | 1999-04-21 | 2000-03-15 | 周干国 | Dry all sealed high voltage electric power meter |
| CN2582002Y (en) * | 2002-12-06 | 2003-10-22 | 杨新生 | Outdoor high-voltage dry-electric energy meter |
| CN2762144Y (en) * | 2004-12-27 | 2006-03-01 | 曹纪成 | Dry high-voltage power metering box |
| CN101571553A (en) * | 2009-06-09 | 2009-11-04 | 山东力创科技有限公司 | Minitype high-voltage electric energy meter directly arranged in 10KV power supply circuit |
| CN202206094U (en) * | 2011-08-18 | 2012-04-25 | 河南电力试验研究院 | Segment-combined type composite alternate spacing rod |
| CN104237613A (en) * | 2013-06-20 | 2014-12-24 | 国家电网公司 | High-voltage electricity verification device convenient to operate |
| CN204287273U (en) * | 2014-12-02 | 2015-04-22 | 国家电网公司 | A kind of high-voltage electric energy meter stationary installation |
| CN104459226A (en) * | 2014-12-22 | 2015-03-25 | 深圳市航天泰瑞捷电子有限公司 | High-voltage line monitor and shell of high-voltage line monitor |
| CN204964572U (en) * | 2015-09-24 | 2016-01-13 | 珠海安瑞通电子科技有限公司 | High -pressure electric energy meter of electrified installation of adjustable length |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106841735A (en) * | 2017-02-17 | 2017-06-13 | 南京天溯自动化控制系统有限公司 | Power acquirer and its energy-consumption monitoring method |
| CN107681602A (en) * | 2017-11-02 | 2018-02-09 | 珠海安瑞通电子科技有限公司 | High-tension line monitoring device and its across connected connection device |
| CN108983004A (en) * | 2018-08-06 | 2018-12-11 | 国网山东省电力公司淄博供电公司 | The mobile 10kV line loss metering device of one or two fusions |
| CN109188068A (en) * | 2018-08-06 | 2019-01-11 | 国网山东省电力公司淄博供电公司 | Three-stage is U-shaped adjustable to charge installation high-voltage meter |
| CN109856453A (en) * | 2019-02-18 | 2019-06-07 | 国网山东省电力公司淄博供电公司 | A kind of high pressure directly takes the 10kV separated time line loss metering device of energy |
| CN110108910A (en) * | 2019-05-11 | 2019-08-09 | 宁波三星医疗电气股份有限公司 | A kind of electric energy meter and the electricity box with the electric energy meter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105067853B (en) | 2018-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105067853A (en) | Length-adjustable high voltage energy meter capable of live-line installation | |
| JP5695889B2 (en) | How to measure the earth ground resistance of a steel tower using a single clamp | |
| US9746498B2 (en) | System and method for monitoring a power line | |
| CN103235168B (en) | Measuring system for shunt vectors of metal frames of large ground grids on basis of wireless transmission | |
| CN105021897A (en) | Tower grounding resistance measurement apparatus without dismounting of grounding down lead, and measurement method thereof | |
| CN104535844A (en) | Method for testing grounding resistance of tower by using disassembly-free down conductor | |
| US9664710B2 (en) | Sensory assembly system and method | |
| US20220187347A1 (en) | Current and voltage measuring unit | |
| US9810720B2 (en) | System and method for monitoring a power line without connecting to ground | |
| CN104569671B (en) | A kind of current conversion station grounded screen direct current diverting coefficient method of testing | |
| CN104897974A (en) | Capacitive equipment dielectric loss measuring method and system | |
| CN103487725B (en) | A kind of overhead distribution earth fault indicating device based on zero-sequence component method | |
| CN105467192B (en) | A kind of method for measuring current conversion station ground potential and rising | |
| CN204903655U (en) | Tower grounding resistance measurement device of disconnect ground downlead exempts from | |
| CN105891604A (en) | Loop impedance method of measuring power transmission support grounding impedance and testing system | |
| CN204964572U (en) | High -pressure electric energy meter of electrified installation of adjustable length | |
| CN103424627A (en) | Method for measuring zero-sequence impedance of parallel distribution network circuit at double ends | |
| CN203587736U (en) | Overhead distributing line ground fault indicating device based on zero-sequence component method | |
| KR200169790Y1 (en) | An instrument for measuring earth resistance of concrete electric-pole | |
| CN204359924U (en) | Induction type mutual inductor identifier | |
| CN107153135A (en) | The method of testing of distribution transforming Grounding impedance on post | |
| CN203966813U (en) | A kind of current transformer erection scaffolding | |
| CN204479654U (en) | A kind of alternating current circuit alternating-current lightning arrestor electrification detection system | |
| CN206773078U (en) | A kind of aided measurement device of outdoor high voltage circuit breaker loop resistance | |
| CN101923114B (en) | Resistance phasing method for medium-voltage distribution line looped network |
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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A high-voltage energy meter with adjustable length and live installation Granted publication date: 20180420 Pledgee: Zhuhai China Resources Bank Co.,Ltd. Zhuhai Branch Pledgor: ZHUHAI ANRUITONG ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2024980039823 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |