CN106483390A - A kind of field assembling type distribution transformer gear measuring device with electricity - Google Patents
A kind of field assembling type distribution transformer gear measuring device with electricity Download PDFInfo
- Publication number
- CN106483390A CN106483390A CN201611039999.6A CN201611039999A CN106483390A CN 106483390 A CN106483390 A CN 106483390A CN 201611039999 A CN201611039999 A CN 201611039999A CN 106483390 A CN106483390 A CN 106483390A
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- China
- Prior art keywords
- high voltage
- voltage arm
- arm capacitor
- link rod
- capacitor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/20—Measuring number of turns; Measuring transformation ratio or coupling factor of windings
Abstract
The invention discloses a kind of field assembling type distribution transformer gear measuring device with electricity，Described detection means includes measuring electrode、High voltage arm capacitor and link rod，Described measuring electrode includes the first measuring electrode and the second measuring electrode，Described high voltage arm capacitor includes the first high voltage arm capacitor and the second high voltage arm capacitor，Described link rod includes the first link rod and the second link rod，Described first measuring electrode connects described first high voltage arm capacitor，Described second measuring electrode connects described second high voltage arm capacitor，Described first high voltage arm capacitor connects described first link rod，Described second high voltage arm capacitor connects described second link rod，Described first link rod or described second link rod are provided with high-pressure measurement mechanism，Described first high voltage arm capacitor and described second high voltage arm capacitor are connected with high-pressure measurement mechanism respectively，Described high-pressure measurement mechanism wirelessly connects gear detection device.Solve that in prior art structure of the detecting device is dumb, carry and unhandy problem.
Description
Technical field
The present invention relates to distribution network technology field, particularly to a kind of field assembling type distribution transformer gear live detection
Device.
Background technology
At present, due to the factor such as distribution net work structure is complicated and layout is unreasonable, operation maintenance personnel usually needs to be grasped and joins
The gear of piezoelectric transformer, high side voltage and distribution circuit electric voltage.As the lookup for quality of voltage problem, need to be grasped distribution
High voltage side of transformer voltage and the gear of distribution transformer, the gear for distribution transformer can carry out core by power failure
Look into, and the necessary live testing of distribution transforming high side voltage, just can determine that quality of voltage problem, and then select optimum quality of voltage to control
Reason method；For circuit series regulation install reconnaissance, need to be grasped distribution transformer line electricity pressure drop situation it is therefore necessary to
Carry out live testing, determine the best position of circuit series regulation.
For live testing distribution transformer gear, there is no corresponding technological means and device at present, can only be by corresponding
Line outage, verified by transformer gear instruction device by operation maintenance personnel, so operation increased power off time and
Security risk；For the working voltage size of distribution transformer high-pressure side, there is no corresponding live testing device, Zhi Nengtong at present
Cross low-pressure side voltage to be calculated with actual-gear, and also can only be counted by emulation for the voltage drop situation on distribution line
Calculate.
The patent of Patent No. ZL201620310573.9 has been proposed that and have developed 10kV distribution transforming gear capacity checking device,
This device can powered carry out the gear detection of 10kV and following distribution transformer, test distribution transformer high-pressure side voltage and
The distribution circuit electric voltage in any place, but device has, and structure is dumb, inconvenient to carry, test operation is inconvenient, and adopt optical fiber
The drawbacks of carrying out data exchange and make device become heaviness.
Content of the invention
The goal of the invention of the present invention is to provide a kind of field assembling type distribution transformer gear measuring device with electricity, to solve
Certainly dumb, the inconvenient to carry and unhandy problem of structure in prior art middle gear measuring device with electricity.
According to embodiments of the invention, there is provided a kind of field assembling type distribution transformer gear measuring device with electricity, institute
State detection means and include measuring electrode, high voltage arm capacitor and link rod, described measuring electrode includes the first measuring electrode and second
Measuring electrode, described high voltage arm capacitor includes the first high voltage arm capacitor and the second high voltage arm capacitor, and described link rod includes first
Link rod and the second link rod, described first measuring electrode connects described first high voltage arm capacitor, and described second measuring electrode is even
Connect described second high voltage arm capacitor, described first high voltage arm capacitor connects described first link rod, described second high voltage arm capacitor
Connect described second link rod, described first link rod or described second link rod are provided with high-pressure measurement mechanism, described first
High voltage arm capacitor and described second high voltage arm capacitor are connected with described high-pressure measurement mechanism respectively, described high-pressure measurement mechanism and shelves
Level detecting apparatus wirelessly connect.
Preferably, described first link rod or described second link rod fix described high-pressure measurement mechanism by holder.
Preferably, described first high voltage arm capacitor and described second high voltage arm capacitor are set in compound insulating sleeve.
Preferably, described first measuring electrode and described second measuring electrode connect described first high pressure respectively by screw thread
Arm electric capacity and described second high voltage arm capacitor, described first high voltage arm capacitor and described second high voltage arm capacitor are by screw thread respectively
Connect described first link rod and described second link rod.
Preferably, described first high voltage arm capacitor and described second high voltage arm capacitor are led to described high-pressure measurement mechanism respectively
Cross wire to connect, described wire is fixed by wire clamp.
Preferably, the capacitance of described first high voltage arm capacitor and described second high voltage arm capacitor is 1pF-1nF.
From above technical scheme, a kind of field assembling type distribution transformer gear live detection dress that the present invention provides
Put, can solve the problem that in prior art middle gear measuring device with electricity, structure is dumb, carry and unhandy problem.First is high
Pressure arm electric capacity and the second high voltage arm capacitor are high-voltage capacitor, are satisfied by the resistance to pressure request of insulation of tested electric pressure.Measurement
During, even if there being a high-voltage capacitor breakdown, described high-pressure measurement mechanism still can meet insulating requirements it is ensured that not
Cause short circuit.Described high-pressure measurement mechanism is connected with described gear detection device using radio connection, not only ensures measurement
Convenience it is also possible to guarantee the safety of personnel.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Need use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only the present invention some enforcement
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also obtain according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of structure of field assembling type distribution transformer gear measuring device with electricity provided in an embodiment of the present invention
Schematic diagram；
Fig. 2 is a kind of work of field assembling type distribution transformer gear measuring device with electricity provided in an embodiment of the present invention
Schematic diagram.
In figure：1- first measuring electrode, 2- second measuring electrode, 3- high-pressure measurement mechanism, 4- gear detection device, 5-
One link rod, 6- second link rod, 7- holder, 8- first high voltage arm capacitor, 9- second high voltage arm capacitor.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Whole description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Embodiment one
As shown in figure 1, a kind of field assembling type distribution transformer gear measuring device with electricity provided in an embodiment of the present invention,
Described detection means includes measuring electrode, high voltage arm capacitor and link rod, and described measuring electrode includes the first measuring electrode 1 and
Two measuring electrodes 2, described high voltage arm capacitor includes the first high voltage arm capacitor 8 and the second high voltage arm capacitor 9, and described link rod includes
First link rod 5 and the second link rod 6, described first measuring electrode 1 connects described first high voltage arm capacitor 8, described second survey
Amount electrode 2 connects described second high voltage arm capacitor 9, and described first high voltage arm capacitor 8 connects described first link rod 5, and described the
Two high voltage arm capacitor 9 connect described second link rod 6, and described first link rod 5 or described second link rod 6 are provided with high pressure and survey
Amount device 3, described first high voltage arm capacitor 8 and described second high voltage arm capacitor 9 are connected with described high-pressure measurement mechanism 3 respectively,
Described high-pressure measurement mechanism 9 is wirelessly connected with gear detection device 4.
From above technical scheme, a kind of field assembling type distribution transformer gear live detection dress that the present invention provides
Put, can solve the problem that in prior art middle gear measuring device with electricity, structure is dumb, carry and unhandy problem.First is high
Pressure arm electric capacity and the second high voltage arm capacitor are high-voltage capacitor, are satisfied by the resistance to pressure request of insulation of tested electric pressure.Measurement
During, even if there being a high-voltage capacitor breakdown, described high-pressure measurement mechanism still can meet insulating requirements it is ensured that not
Cause short circuit.Described high-pressure measurement mechanism is connected with described gear detection device using radio connection, not only ensures measurement
Convenience it is also possible to guarantee the safety of personnel.
Embodiment two
As shown in figure 1, a kind of field assembling type distribution transformer gear measuring device with electricity provided in an embodiment of the present invention,
Described detection means includes measuring electrode, high voltage arm capacitor and link rod, and described measuring electrode includes the first measuring electrode 1 and
Two measuring electrodes 2, described high voltage arm capacitor includes the first high voltage arm capacitor 8 and the second high voltage arm capacitor 9, and described link rod includes
First link rod 5 and the second link rod 6, described first measuring electrode 1 connects described first high voltage arm capacitor 8, described second survey
Amount electrode 2 connects described second high voltage arm capacitor 9, and described first high voltage arm capacitor 8 connects described first link rod 5, and described the
Two high voltage arm capacitor 9 connect described second link rod 6, and described first link rod 5 or described second link rod 6 are provided with high pressure and survey
Amount device 3, described first high voltage arm capacitor 8 and described second high voltage arm capacitor 9 are connected with described high-pressure measurement mechanism 3 respectively,
Described high-pressure measurement mechanism 9 is wirelessly connected with gear detection device 4.
Preferably, described gear detection device 4,
For measuring transformer low-pressure side voltage, obtain low-pressure side voltage value；
For receiving the high side voltage value that described high-pressure measurement mechanism 3 is surveyed；
It is additionally operable to the parameter setting to described detection means, experimental data processing and show result of the test.Described parameter bag
Include the standard no-load voltage ratio of default each gear.The high side voltage value that described high-pressure measurement mechanism 3 records, by described wireless transmit
The radio frequency signal of device transmitting is transferred to described gear detection device 4.Now, described gear detection device 4 read tested
High side voltage value, described gear detection device 4 measuring transformer low-pressure side, obtains low-pressure side voltage value, Jing Guoji simultaneously
The line voltage of on high-tension side line voltage and low-pressure side is obtained after calculation.On high-tension side line voltage is with the ratio of the line voltage of low-pressure side
The current no-load voltage ratio of distribution transformer, by the standard no-load voltage ratio contrast of current no-load voltage ratio and described default each gear, you can determine and join
Piezoelectric transformer current gear, show the final result of test finally by described gear detection device 4, i.e. distribution transformer
Current gear.
Preferably, described first link rod 5 or described second link rod 6 pass through holder 7 fixation described high-tension measurement dress
Put 3.Enable using described holder 7 that described high-pressure measurement mechanism 3 is stronger to be arranged on link rod, save space, for
The use space size of described detection means is less demanding, operator's operation of being more convenient for.
Preferably, described first high voltage arm capacitor 8 and described second high voltage arm capacitor 9 are all set in compound insulating sleeve
In, the both end voltage of described high voltage arm capacitor is higher, is set in and meets in insulated sleeve it is ensured that using described detection means
Safety.
Preferably, described first measuring electrode 1 and the second measuring electrode 2 connect described first high-voltage arm respectively by screw thread
Electric capacity 8 and described second high voltage arm capacitor 9, described first high voltage arm capacitor 8 and the second high voltage arm capacitor 9 are connected respectively by screw thread
Connect described first link rod 5 and described second link rod 6, threaded can comprehensive connect, and easy to operate, quick.
Preferably, described wire is fixed by wire clamp, and the use of described wire clamp can be with shared by wire described in reasonable arrangement
Space, in environment under high pressure, described in reasonable arrangement, wire is of crucial importance, it is to avoid bring potential safety hazard.
Preferably, the electric capacity of described first high voltage arm capacitor 8, described second high voltage arm capacitor 9 and described low-voltage arm electric capacity
Measure as 1pF-1nF.
As shown in Fig. 2 the operation principle of the device of the present embodiment offer is：First high-voltage capacitance C11, low-voltage capacitance C2 and
Second high-voltage capacitance C12 is cascaded, and has been connected between high-pressure side two phase line of distribution transformer, former using capacitance partial pressure
Reason, V1 measures low-voltage capacitance C2 both end voltage, will record the line electricity that voltage is multiplied by between intrinsic standoff ratio as tested distribution transforming two phase line
Pressure.Distribution transformer low-pressure side carries three loads Z1, Z2 and Z3.V2 is connected between low-pressure side two phase line, directly tests low pressure
Side voltage.High-pressure side and the no-load voltage ratio of the ratio as distribution transformer of low-pressure side voltage, are contrasted with the standard no-load voltage ratio of each gear, you can
Obtain the current gear of distribution transformer.
Testing staff can assemble described device in working site according to the following step：
Step 1：By described first measuring electrode 1 and described second measuring electrode 2 respectively with described first high voltage arm capacitor 8
It is threaded connection with described second high voltage arm capacitor 9；
Step 2：By described first high voltage arm capacitor 8 and described second high voltage arm capacitor 9 respectively with described first link rod 5
It is threaded connection with described second link rod 6；
Step 3：Described high-pressure measurement mechanism 3 is fixed on described first order using holder described in high-pressure measurement mechanism 7
On gram rod 7 or described second link rod 8, fixing point distance high-voltage arm electric capacity lower end 10-30cm；
Step 4：Successively described first high voltage arm capacitor 8, described second high-tension measurement electric capacity 9 and described high-tension measurement are filled
Put 3 to couple together using described wire, described wire is fixed on described wire clamp.
From above technical scheme, a kind of field assembling type distribution transformer gear live detection dress that the present invention provides
Put, can solve the problem that in prior art middle gear measuring device with electricity, structure is dumb, carry and unhandy problem.First is high
Pressure arm electric capacity and the second high voltage arm capacitor are high-voltage capacitor, are satisfied by the resistance to pressure request of insulation of tested electric pressure.Measurement
During, even if there being a high-voltage capacitor breakdown, described high-pressure measurement mechanism still can meet insulating requirements it is ensured that not
Cause short circuit.Described high-pressure measurement mechanism is connected with described gear detection device using radio connection, not only ensures measurement
Convenience it is also possible to guarantee the safety of personnel.
Those skilled in the art, after considering description and putting into practice invention disclosed herein, will readily occur to its of the present invention
Its embodiment.The application is intended to any modification, purposes or the adaptations of the present invention, these modifications, purposes or
Person's adaptations are followed the general principle of the present invention and are included the undocumented common knowledge in the art of the present invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It is described above and precision architecture illustrated in the accompanying drawings it should be appreciated that the invention is not limited in, and
And various modifications and changes can carried out without departing from the scope.The scope of the present invention only to be limited by appended claim.
Claims (6)
1. a kind of field assembling type distribution transformer gear measuring device with electricity, described detection means includes measuring electrode, high pressure
Arm electric capacity and link rod, described measuring electrode includes the first measuring electrode (1) and the second measuring electrode (2), described high-voltage arm electricity
Hold and include the first high voltage arm capacitor (8) and the second high voltage arm capacitor (9), described link rod includes the first link rod (5) and second
Link rod (6) is it is characterised in that described first measuring electrode (1) connects described first high voltage arm capacitor (8), described second survey
Amount electrode (2) connects described second high voltage arm capacitor (9), and described first high voltage arm capacitor (8) connects described first link rod
(5), described second high voltage arm capacitor (9) connects described second link rod (6), described first link rod (5) or described second order
Gram rod (6) is provided with high-pressure measurement mechanism (3), and described first high voltage arm capacitor (8) and described second high voltage arm capacitor (9) are respectively
It is connected with described high-pressure measurement mechanism (3), described high-pressure measurement mechanism (9) is wirelessly connected with gear detection device (4).
2. a kind of field assembling type distribution transformer gear measuring device with electricity according to claim 1 it is characterised in that
Described first link rod (5) or described second link rod (6) are by the fixing described high-pressure measurement mechanism (3) of holder (7).
3. a kind of field assembling type distribution transformer gear measuring device with electricity according to claim 1 it is characterised in that
Described first high voltage arm capacitor (8) and described second high voltage arm capacitor (9) are set in compound insulating sleeve.
4. a kind of field assembling type distribution transformer gear measuring device with electricity according to claim 1 it is characterised in that
Described first measuring electrode (1) and described second measuring electrode (2) connect described first high voltage arm capacitor (8) respectively by screw thread
With described second high voltage arm capacitor (9), described first high voltage arm capacitor (8) and described second high voltage arm capacitor (9) pass through screw thread
Connect described first link rod (5) and described second link rod (6) respectively.
5. a kind of field assembling type distribution transformer gear measuring device with electricity according to claim 1 it is characterised in that
Described first high voltage arm capacitor (8) and described second high voltage arm capacitor (9) pass through wire with described high-pressure measurement mechanism (3) respectively
Connect, described wire is fixed by wire clamp.
6. a kind of field assembling type distribution transformer gear measuring device with electricity according to claim 1 it is characterised in that
The capacitance of described first high voltage arm capacitor (8) and described second high voltage arm capacitor (9) is 1pF-1nF.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611039999.6A CN106483390B (en) | 2016-11-22 | 2016-11-22 | A kind of field assembling type distribution transformer gear measuring device with electricity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611039999.6A CN106483390B (en) | 2016-11-22 | 2016-11-22 | A kind of field assembling type distribution transformer gear measuring device with electricity |
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| CN106483390A true CN106483390A (en) | 2017-03-08 |
| CN106483390B CN106483390B (en) | 2017-11-28 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947637A (en) * | 2017-06-22 | 2018-04-20 | 重庆大学 | Energy collecting device based on semiconductor temperature differential generating |
| CN109061356A (en) * | 2018-09-26 | 2018-12-21 | 云南电网有限责任公司电力科学研究院 | A kind of detection method and device of distribution transformer operational taps |
| CN109507492A (en) * | 2018-12-19 | 2019-03-22 | 国网浙江省电力有限公司岱山县供电公司 | Portable 10kV distribution transforming gear charges capacity checking device |
| CN112595996A (en) * | 2020-11-26 | 2021-04-02 | 云南电网有限责任公司电力科学研究院 | Gear determining method of transformer |
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| JPS59104568A (en) * | 1982-12-07 | 1984-06-16 | Sumitomo Electric Ind Ltd | Portable defective insulator detector for extra-high voltage |
| CN101893650A (en) * | 2010-06-25 | 2010-11-24 | 中国电力科学研究院 | Voltage measurement device for high-voltage direct-current power transmission valve assembly |
| CN103323752A (en) * | 2013-06-05 | 2013-09-25 | 广东电网公司电力科学研究院 | Dry type air reactor turn-to-turn insulation defect detection system |
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2016
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS59104568A (en) * | 1982-12-07 | 1984-06-16 | Sumitomo Electric Ind Ltd | Portable defective insulator detector for extra-high voltage |
| CN101893650A (en) * | 2010-06-25 | 2010-11-24 | 中国电力科学研究院 | Voltage measurement device for high-voltage direct-current power transmission valve assembly |
| CN103323752A (en) * | 2013-06-05 | 2013-09-25 | 广东电网公司电力科学研究院 | Dry type air reactor turn-to-turn insulation defect detection system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947637A (en) * | 2017-06-22 | 2018-04-20 | 重庆大学 | Energy collecting device based on semiconductor temperature differential generating |
| CN109061356A (en) * | 2018-09-26 | 2018-12-21 | 云南电网有限责任公司电力科学研究院 | A kind of detection method and device of distribution transformer operational taps |
| CN109061356B (en) * | 2018-09-26 | 2022-05-20 | 云南电网有限责任公司电力科学研究院 | Method and device for detecting running gear of distribution transformer |
| CN109507492A (en) * | 2018-12-19 | 2019-03-22 | 国网浙江省电力有限公司岱山县供电公司 | Portable 10kV distribution transforming gear charges capacity checking device |
| CN112595996A (en) * | 2020-11-26 | 2021-04-02 | 云南电网有限责任公司电力科学研究院 | Gear determining method of transformer |
| CN112595996B (en) * | 2020-11-26 | 2022-08-26 | 云南电网有限责任公司电力科学研究院 | Gear determining method of transformer |
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| CN106483390B (en) | 2017-11-28 |
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