CN106483390B - 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
- CN106483390B CN106483390B CN201611039999.6A CN201611039999A CN106483390B CN 106483390 B CN106483390 B CN 106483390B CN 201611039999 A CN201611039999 A CN 201611039999A CN 106483390 B CN106483390 B CN 106483390B
- Authority
- CN
- China
- Prior art keywords
- high voltage
- voltage arm
- arm capacitor
- link rod
- capacitor
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The invention discloses a kind of field assembling type distribution transformer gear measuring device with electricity,The detection means includes measuring electrode,High voltage arm capacitor and link rod,The measuring electrode includes the first measuring electrode and the second measuring electrode,The high voltage arm capacitor includes the first high voltage arm capacitor and the second high voltage arm capacitor,The link rod includes the first link rod and the second link rod,First measuring electrode connects first high voltage arm capacitor,Second measuring electrode connects second high voltage arm capacitor,First high voltage arm capacitor connects first link rod,Second high voltage arm capacitor connects second link rod,First link rod or second link rod are provided with high-pressure measurement mechanism,First high voltage arm capacitor and second high voltage arm capacitor are connected with high-pressure measurement mechanism respectively,The high-pressure measurement mechanism wireless connection gear detection device.Solve dumb structure of the detecting device in the prior art, carrying and unhandy problem.
Description
Technical field
The present invention relates to distribution network technology field, more particularly to a kind of field assembling type distribution transformer gear live detection
Device.
Background technology
At present, because distribution net work structure is complicated and is laid out the factor such as unreasonable, operation maintenance personnel, which usually needs to be grasped, to be matched somebody with somebody
Gear, high side voltage and the distribution circuit electric voltage of piezoelectric transformer.Lookup such as quality of voltage problem is, it is necessary to grasp distribution
The gear of high voltage side of transformer voltage and distribution transformer, core can be carried out by having a power failure for the gear of distribution transformer
Look into, and the necessary live testing of distribution transforming high side voltage, quality of voltage problem is just can determine that, and then select optimal quality of voltage to control
Reason method；Reconnaissance is installed, it is necessary to grasp distribution transformer line electricity pressure drop situation for circuit series regulation, it is therefore necessary to
Live testing is carried out, determines the best position of circuit series regulation.
For live testing distribution transformer gear, corresponding technological means and device are there is no at present, can only be by corresponding
Line outage, verified by operation maintenance personnel by transformer gear instruction device, so operation add power off time and
Security risk；For the working voltage size of distribution transformer high-pressure side, corresponding live testing device, Zhi Nengtong are there is no at present
Cross low-pressure side voltage to be calculated with actual-gear, and can only also be counted for the voltage drop situation on distribution line by emulating
Calculate.
Patent No. ZL201620310573.9 patent proposed and have developed 10kV distribution transforming gear capacity checking devices,
The device can powered progresss 10kV and following distribution transformer gear detection, test distribution transformer high-pressure side voltage and
The distribution circuit electric voltage in any place, but device has that structure is dumb, inconvenient to carry, test operation is inconvenient, and using optical fiber
Carry out the drawbacks of data exchange makes device become heaviness.
The 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, with solution
Certainly structure is dumb in prior art middle gear measuring device with electricity, problem inconvenient to carry and unhandy.
According to an embodiment of the invention, there is provided a kind of field assembling type distribution transformer gear measuring device with electricity, institute
Stating detection means includes measuring electrode, high voltage arm capacitor and link rod, and the measuring electrode includes the first measuring electrode and second
Measuring electrode, the high voltage arm capacitor include the first high voltage arm capacitor and the second high voltage arm capacitor, and the link rod includes first
Link rod and the second link rod, first measuring electrode connect first high voltage arm capacitor, and second measuring electrode connects
Second high voltage arm capacitor is connect, first high voltage arm capacitor connects first link rod, second high voltage arm capacitor
Connecting second link rod, first link rod or second link rod are provided with high-pressure measurement mechanism, and described first
High voltage arm capacitor and second high voltage arm capacitor are connected with the high-pressure measurement mechanism respectively, the high-pressure measurement mechanism and shelves
Level detecting apparatus wireless connection.
Preferably, first link rod or second link rod fix the high-pressure measurement mechanism by fixator.
Preferably, first high voltage arm capacitor and second high voltage arm capacitor are set in compound insulating sleeve.
Preferably, first measuring electrode and second measuring electrode connect first high pressure by screw thread respectively
Arm electric capacity and second high voltage arm capacitor, first high voltage arm capacitor and second high voltage arm capacitor are distinguished by screw thread
Connect first link rod and second link rod.
Preferably, first high voltage arm capacitor and second high voltage arm capacitor are led to the high-pressure measurement mechanism respectively
Wire connection is crossed, the wire is fixed by wire clamp.
Preferably, the capacitance of first high voltage arm capacitor and second high voltage arm capacitor is 1pF-1nF.
From above technical scheme, a kind of field assembling type distribution transformer gear live detection dress provided by the invention
Put, can solve the problem that in prior art middle gear measuring device with electricity that 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 voltage class.Measurement
During, even if there is a high-voltage capacitor breakdown, the high-pressure measurement mechanism still can meet insulating requirements, ensure not
Cause short circuit.The high-pressure measurement mechanism is connected using radio connection with the gear detection device, not only ensures measurement
Convenience, also ensure that the safety of personnel.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained 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：The measuring electrodes of 1- first, the measuring electrodes of 2- second, 3- high-pressure measurement mechanisms, 4- gear detection devices, 5-
One link rod, the link rods of 6- second, 7- fixators, the high voltage arm capacitors of 8- first, the high voltage arm capacitors of 9- second.
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, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to 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,
The detection means includes measuring electrode, high voltage arm capacitor and link rod, and the measuring electrode includes the first measuring electrode 1 and the
Two measuring electrodes 2, the high voltage arm capacitor, which includes the first high voltage arm capacitor 8 and the second high voltage arm capacitor 9, the link rod, to be included
First link rod 5 and the second link rod 6, first measuring electrode 1 connect first high voltage arm capacitor 8, and described second surveys
Amount electrode 2 connects second high voltage arm capacitor 9, and first high voltage arm capacitor 8 connects first link rod 5, and described the
Two high voltage arm capacitors 9 connect second link rod 6, and first link rod 5 or second link rod 6 are provided with high pressure survey
Device 3 is measured, first high voltage arm capacitor 8 and second high voltage arm capacitor 9 are connected with the high-pressure measurement mechanism 3 respectively,
The high-pressure measurement mechanism 9 and the wireless connection of gear detection device 4.
From above technical scheme, a kind of field assembling type distribution transformer gear live detection dress provided by the invention
Put, can solve the problem that in prior art middle gear measuring device with electricity that 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 voltage class.Measurement
During, even if there is a high-voltage capacitor breakdown, the high-pressure measurement mechanism still can meet insulating requirements, ensure not
Cause short circuit.The high-pressure measurement mechanism is connected using radio connection with the gear detection device, not only ensures measurement
Convenience, also ensure that 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,
The detection means includes measuring electrode, high voltage arm capacitor and link rod, and the measuring electrode includes the first measuring electrode 1 and the
Two measuring electrodes 2, the high voltage arm capacitor, which includes the first high voltage arm capacitor 8 and the second high voltage arm capacitor 9, the link rod, to be included
First link rod 5 and the second link rod 6, first measuring electrode 1 connect first high voltage arm capacitor 8, and described second surveys
Amount electrode 2 connects second high voltage arm capacitor 9, and first high voltage arm capacitor 8 connects first link rod 5, and described the
Two high voltage arm capacitors 9 connect second link rod 6, and first link rod 5 or second link rod 6 are provided with high pressure survey
Device 3 is measured, first high voltage arm capacitor 8 and second high voltage arm capacitor 9 are connected with the high-pressure measurement mechanism 3 respectively,
The high-pressure measurement mechanism 9 and the wireless connection of gear detection device 4.
Preferably, the gear detection device 4,
For measuring transformer low-pressure side voltage, low-pressure side voltage value is obtained；
The high side voltage value surveyed for receiving the high-pressure measurement mechanism 3；
It is additionally operable to the parameter setting to the detection means, experimental data processing and display result of the test.The parameter bag
Include the standard no-load voltage ratio of default each gear.The high side voltage value that the high-pressure measurement mechanism 3 measures, passes through the wireless transmission
The radio frequency signal of device transmitting is transferred to the gear detection device 4.Now, the gear detection device 4 reads tested
High side voltage value, while the measuring transformer low-pressure side of the gear detection device 4 obtains low-pressure side voltage value, by meter
The line voltage of on high-tension side line voltage and low-pressure side is obtained after calculation.The ratio between line voltage of on high-tension side line voltage and low-pressure side is as
The current no-load voltage ratio of distribution transformer, current no-load voltage ratio and the standard no-load voltage ratio of default each gear are contrasted, you can it is determined that matching somebody with somebody
Piezoelectric transformer current gear, show the final result of experiment finally by the gear detection device 4, i.e. distribution transformer
Current gear.
Preferably, first link rod 5 or second link rod 6 are fixed the high-tension measurement by fixator 7 and filled
Put 3.Enable the high-pressure measurement mechanism 3 is stronger to be arranged on link rod using the fixator 7, save space, for
, the be more convenient for operating personnel operation less demanding using space size of the detection means.
Preferably, first high voltage arm capacitor 8 and second high voltage arm capacitor 9 are set in compound insulating sleeve
In, the both end voltage of the high voltage arm capacitor is higher, is set in and meets in insulating sleeve, ensure that using the detection means
Security.
Preferably, the measuring electrode 2 of the first measuring electrode 1 and second connects first high-voltage arm by screw thread respectively
Electric capacity 8 and second high voltage arm capacitor 9, the high voltage arm capacitor 9 of the first high voltage arm capacitor 8 and second are connected respectively by screw thread
First link rod 5 and second link rod 6 are connect, threaded connection comprehensive can connect, and easy to operate, quick.
Preferably, the wire is fixed by wire clamp, and the use of the wire clamp can be with shared by wire described in reasonable arrangement
Space, in hyperbaric environment, wire is of crucial importance described in reasonable arrangement, avoids bringing potential safety hazard.
Preferably, the electric capacity of first high voltage arm capacitor 8, second high voltage arm capacitor 9 and the low-voltage arm electric capacity
Measure as 1pF-1nF.
As shown in Fig. 2 the operation principle for the device that the present embodiment provides is：First high-voltage capacitance C11, low-voltage capacitance C2 and
Second high-voltage capacitance C12 is cascaded, and has been connected between the phase line of high-pressure side two of distribution transformer, former using capacitance partial pressure
Reason, V1 measure low-voltage capacitance C2 both end voltages, and will measure voltage and be multiplied by intrinsic standoff ratio is the line electricity between the tested phase line of distribution transforming two
Pressure.Distribution transformer low-pressure side is with three loads Z1, Z2 and Z3.V2 is connected between the phase line of low-pressure side two, directly tests low pressure
Side voltage.The ratio between high-pressure side and low-pressure side voltage are the no-load voltage ratio of distribution transformer, are contrasted with the standard no-load voltage ratio of each gear, you can
Obtain the current gear of distribution transformer.
Testing staff can be in working site according to the following steps assembling described device：
Step 1：By first measuring electrode 1 and second measuring electrode 2 respectively with first high voltage arm capacitor 8
It is connected through a screw thread with second high voltage arm capacitor 9；
Step 2：By first high voltage arm capacitor 8 and second high voltage arm capacitor 9 respectively with first link rod 5
It is connected through a screw thread with second link rod 6；
Step 3：The high-pressure measurement mechanism 3 is fixed on first order using fixator described in high-pressure measurement mechanism 7
On gram rod 7 or second link rod 8, fixing point distance high-voltage arm electric capacity lower end 10-30cm；
Step 4：First high voltage arm capacitor 8, the second high-tension measurement electric capacity 9 and the high-tension measurement are filled successively
Put 3 to connect using the wire, the wire is fixed on the wire clamp.
From above technical scheme, a kind of field assembling type distribution transformer gear live detection dress provided by the invention
Put, can solve the problem that in prior art middle gear measuring device with electricity that 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 voltage class.Measurement
During, even if there is a high-voltage capacitor breakdown, the high-pressure measurement mechanism still can meet insulating requirements, ensure not
Cause short circuit.The high-pressure measurement mechanism is connected using radio connection with the gear detection device, not only ensures measurement
Convenience, also ensure that the safety of personnel.
Those skilled in the art will readily occur to the present invention its after considering specification and putting into practice invention disclosed herein
Its embodiment.The application be intended to the present invention any modification, purposes or adaptations, these modifications, purposes or
Person's adaptations follow the general principle of the present invention and including undocumented common knowledges in the art of the 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 should be appreciated that the invention is not limited in the precision architecture for being described above and being shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (6)
1. a kind of field assembling type distribution transformer gear measuring device with electricity, the detection means includes measuring electrode, high pressure
Arm electric capacity and link rod, the measuring electrode include the first measuring electrode (1) and the second measuring electrode (2), the high-voltage arm electricity
Appearance includes the first high voltage arm capacitor (8) and the second high voltage arm capacitor (9), and the link rod includes the first link rod (5) and second
Link rod (6), it is characterised in that first measuring electrode (1) connects first high voltage arm capacitor (8), and described second surveys
Measure electrode (2) and connect second high voltage arm capacitor (9), first high voltage arm capacitor (8) connects first link rod
(5), second high voltage arm capacitor (9) connects second link rod (6), first link rod (5) or second order
Gram rod (6) is provided with high-pressure measurement mechanism (3), and first high voltage arm capacitor (8) and second high voltage arm capacitor (9) are respectively
It is connected with the high-pressure measurement mechanism (3), the high-pressure measurement mechanism (9) and gear detection device (4) wireless connection.
A kind of 2. field assembling type distribution transformer gear measuring device with electricity according to claim 1, it is characterised in that
First link rod (5) or second link rod (6) pass through the fixed high-pressure measurement mechanism (3) of fixator (7).
A kind of 3. field assembling type distribution transformer gear measuring device with electricity according to claim 1, it is characterised in that
First high voltage arm capacitor (8) and second high voltage arm capacitor (9) are set in compound insulating sleeve.
A kind of 4. field assembling type distribution transformer gear measuring device with electricity according to claim 1, it is characterised in that
First measuring electrode (1) and second measuring electrode (2) connect first high voltage arm capacitor (8) by screw thread respectively
With second high voltage arm capacitor (9), first high voltage arm capacitor (8) and second high voltage arm capacitor (9) pass through screw thread
First link rod (5) and second link rod (6) are connected respectively.
A kind of 5. field assembling type distribution transformer gear measuring device with electricity according to claim 1, it is characterised in that
First high voltage arm capacitor (8) and second high voltage arm capacitor (9) pass through wire with the high-pressure measurement mechanism (3) respectively
Connection, the wire are fixed by wire clamp.
A kind of 6. field assembling type distribution transformer gear measuring device with electricity according to claim 1, it is characterised in that
The capacitance of first high voltage arm capacitor (8) and second high voltage arm capacitor (9) is 1pF-1nF.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106483390A CN106483390A (en) | 2017-03-08 |
| CN106483390B true CN106483390B (en) | 2017-11-28 |
Family
ID=58275378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611039999.6A Active CN106483390B (en) | 2016-11-22 | 2016-11-22 | A kind of field assembling type distribution transformer gear measuring device with electricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106483390B (en) |
Families Citing this family (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 |
| 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 |
| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59104568A (en) * | 1982-12-07 | 1984-06-16 | Sumitomo Electric Ind Ltd | Portable defective insulator detector for extra-high voltage |
| CN101893650B (en) * | 2010-06-25 | 2013-06-19 | 中国电力科学研究院 | Voltage measurement device for high-voltage direct-current power transmission valve assembly |
| CN103323752B (en) * | 2013-06-05 | 2016-03-02 | 广东电网公司电力科学研究院 | A kind of detection system of inter-turn insulation defect of dry hollow reactor |
-
2016
- 2016-11-22 CN CN201611039999.6A patent/CN106483390B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106483390A (en) | 2017-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106483390B (en) | A kind of field assembling type distribution transformer gear measuring device with electricity | |
| CN103267933B (en) | The method of shelf depreciation in measuring transformer induced voltage test device | |
| CN101424728B (en) | On site precision detecting test line for high-voltage current transformer | |
| CN201298448Y (en) | A split type voltage mutual inductor | |
| CN103278753A (en) | Device for induced voltage tests on transformers | |
| CN104297559A (en) | Device and method for measuring induced voltage | |
| CN103257266A (en) | Portable all-insulation optical-fiber current detector | |
| CN103941216B (en) | Voltage transformer scene Automatic Check-out And Readiness Equipment | |
| CN101949964B (en) | Space capacitive voltage divider and application thereof on high voltage measuring device | |
| CN203249991U (en) | Device applied to transformer induction voltage test | |
| CN202256512U (en) | Multifunctional phase check instrument | |
| CN204359924U (en) | Induction type mutual inductor identifier | |
| CN203870240U (en) | Voltage transformer on-site detector | |
| CN106771514B (en) | A kind of device and method of quick lookup voltage transformer failure | |
| CN108548982A (en) | A kind of test method of capacitance current, apparatus and system | |
| CN108548983A (en) | A kind of test method of capacitance current, apparatus and system | |
| CN204789785U (en) | Portable intelligent substation relay protection testing arrangement | |
| CN104931905A (en) | High-voltage electroscope starting voltage test apparatus and test method | |
| CN207516432U (en) | A kind of capacitance partial pressure type optical voltage sensor of self checking | |
| CN206832975U (en) | High voltage electric energy on-site calibration device | |
| CN107356845A (en) | Two-winding transformer on-line monitoring system | |
| CN205404689U (en) | Multi -purpose high -pressure nuclear phase ware | |
| CN107579471A (en) | A kind of handcart switch cabinet CT rising test short-circuit devices | |
| Zhang et al. | Research on non-contact voltage measurement technology | |
| CN201852888U (en) | Device for testing dielectric loss under high voltage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |