CN205157597U - Power transformer's experimental pencil - Google Patents
Power transformer's experimental pencil Download PDFInfo
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- CN205157597U CN205157597U CN201520732887.3U CN201520732887U CN205157597U CN 205157597 U CN205157597 U CN 205157597U CN 201520732887 U CN201520732887 U CN 201520732887U CN 205157597 U CN205157597 U CN 205157597U
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- wire
- test
- power transformer
- wire harness
- relay protection
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Abstract
The application discloses power transformer's experimental pencil, this experiment pencil includes many wires of quantity assorted of quantity and power transformer's terminal outgoing lines, the quantity of wire and power transformer's terminal outgoing lines's quantity phase -match, the one end of wire is provided with the fastener that is used for connecting power transformer's terminal outgoing lines, the other end is provided with and is used for connecting testing equipment terminal plug, before carrying out multiple experiment to power transformer, the corresponding terminal outgoing lines of all wires with power transformer be connected to the fastener of testing personnel on through the wire, only need be connected the wire of difference with corresponding testing equipment in the process of the test and to carry out different experiments, and need not to ascend a height the change connecting wire many times, so as to reduces the potential safety hazard in the process of the test.
Description
Technical field
The application relates to technical field of electric power, more particularly, relates to a kind of test wire harness of power transformer.
Background technology
Power transformer is a kind of static power equipment, is used to the power equipment alternating voltage of a certain numerical value being become one or several identical different voltages of frequency.It is the heart of an electric substation, and electric substation needs to complete the conversion of electric pressure and the conveying of electric energy by it.Need to carry out multiple electrical test before power transformer is put into operation, to judge that it is with or without installing or the quality problems of manufacture view, to determine that can it normally put into operation.The content of electrical test comprises no-load voltage ratio test, direct current resistance test, load ratio bridging switch test, short-circuit impedance test.
Because the general build of power transformer is larger, the power transformer of 220kV even has seven or eight meters high, each test all needs testing crew to utilize high-altitude operation vehicle that test wire is delivered to bushing shell for transformer exit, then test wire is connected on binding post, then connects corresponding testing equipment at the other end of test wire and test.Because needs carry out multiple test to it, often kind of test needs different testing equipments, and test wire often can not be general, after this just causes often finishing a test, all need testing crew again to ascend a height and change corresponding test wire, complete four tests and then need replacing three test wires, waste time and energy, too increase on-the-spot potential safety hazard.
Utility model content
In view of this, the application provides a kind of test wire harness of power transformer, for connecting binding post and the testing equipment of this power transformer, needs repeatedly to change the problem that test wire brings potential safety hazard when testing power transformer to solve in the past.
To achieve these goals, the existing scheme proposed is as follows:
A test wire harness for power transformer, comprises many wires, wherein:
The quantity of the quantity of described wire and the outlet terminal of described power transformer matches;
One end of described wire is provided with wire clamp for connecting described outlet terminal, the other end is provided with binding post plug for joint test equipment.
Optionally, the quantity of described wire is 11, is respectively used to 4 high-voltage outlet terminals, 4 middle extrusion line terminals, 3 low voltage outlet terminals that connect described power transformer.
Optionally, described wire is relay protection test line.
Optionally, described relay protection test line is 2.5 square millimeters of relay protection test lines.
Optionally, also comprise assistant connection wire bundle, wherein:
Described assistant connection wire bundle comprises many and connects wire and aviation plug;
One end of described connection wire is connected with the corresponding contacts of described aviation plug, the other end is provided with the combination hub matched with described binding post plug.
Optionally, described connection wire is relay protection test line.
As can be seen from above-mentioned technical scheme, this application discloses a kind of test wire harness of power transformer, this test wire harness comprises many wires, the quantity of the quantity of wire and the outlet terminal of power transformer matches, one end of wire is provided with the wire clamp of the outlet terminal for connecting power transformer, the other end is provided with for joint test equipment binding post plug, before multiple test is carried out to power transformer, all wires are connected to the corresponding outlet terminal of power transformer by the wire clamp on wire by testing crew, only need different wires and corresponding testing equipment to be carried out connecting and can carry out different tests in process of the test, without the need to replacing connecting line of repeatedly ascending a height, thus the potential safety hazard that can reduce in process of the test.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural drawing of the wire of the test wire harness that Fig. 1 provides for the embodiment of the present application;
The direct current resistance test connection figure that Fig. 2 provides for the application;
The no-load voltage ratio test connection figure that Fig. 3 provides for the application;
The short-circuit impedance test connection figure that Fig. 4 provides for the application;
The structural drawing of a kind of assistant connection wire bundle that Fig. 5 provides for another embodiment of the application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, be clearly and completely described the technical scheme in the embodiment of the present application, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
Embodiment one
The structural drawing of the wire of the test wire harness that Fig. 1 provides for the embodiment of the present application.
Present embodiments provide a kind of for carrying out the test wire harness tested to power transformer, this test wire harness comprises many wires, and the structure of every bar wire as shown in Figure 1.
Be provided with the wire clamp 11 of the outlet terminal for connecting power transformer 100 in one end of every bar wire 10, the other end is provided with binding post plug 12 for joint test equipment.
The quantity of the quantity of wire 10 and the outlet terminal of power transformer 100 matches, and the appearance terminal of general high voltage power transformer has 11, comprises 4 high-voltage outlet terminals, 4 middle extrusion line terminals and 3 low voltage outlet terminals.Therefore the quantity of wire 10 is similarly 11.
When carrying out direct current resistance test to power transformer 100, only need to be connected with the wire that the C phase and 0 of high-voltage outlet terminal is connected mutually with direct current resistance testing equipment, all the other wires are unsettled can be tested, as shown in Figure 2.
When carrying out no-load voltage ratio test to power transformer 100, be connected with no-load voltage ratio testing equipment respectively with the wire 10 of low voltage outlet terminals by the connection high-voltage outlet terminal of this power transformer, all the other wires are unsettled can be tested, as shown in Figure 3.
When carrying out short-circuit impedance test to power transformer 100, the wire of the high-voltage outlet terminal connecting this power transformer is connected with open-circuit impedance testing equipment, again connection low pressure is occurred that the other end short circuit of the wire of terminal can be tested, as shown in Figure 4.
As can be seen from technique scheme, present embodiments provide a kind of test wire harness of power transformer, this test wire harness comprises many wires, the quantity of the quantity of wire and the outlet terminal of power transformer matches, one end of wire is provided with the wire clamp of the outlet terminal for connecting power transformer, the other end is provided with for joint test equipment binding post plug, before multiple test is carried out to power transformer, all wires are connected to the corresponding outlet terminal of power transformer by the wire clamp on wire by testing crew, only need different wires and corresponding testing equipment to be carried out connecting and can carry out different tests in process of the test, and without the need to repeatedly ascending a height replacing connecting line, thus the potential safety hazard that can reduce in process of the test.
The preferred relay protection test line of wire in the application; consider that trial voltage when testing power transformer is lower, test current is also less; therefore select the relay protection test line of 2.5 square millimeters to satisfy the demands, it also avoid the Cost Problems selecting thicker relay protection test tape simultaneously.
Embodiment two
The schematic diagram of a kind of assistant connection wire bundle that Fig. 2 provides for another embodiment of the application.
When testing power transformer, the connection terminal of some testing equipment have employed aviation socket, as 3628D type no-load voltage ratio tester, AQJ-3C type no-load voltage ratio tester, BYC-C type on-load tap changer tester DCZ3391 type no-load voltage ratio device directly hinder instrument, BYCC-3168G type on-load tap changer tester etc., cause the binding post plug in embodiment to be above attached thereto to connect, therefore the present embodiment provides a kind of assistant connection wire bundle, as shown in Figure 5, for the aviation socket of above-mentioned test wire harness with the testing equipment of above-mentioned each model is connected.
This assistant connection wire bundle comprises many and connects wire 20 and aviation plug 30, connects the relay protection test line that wire 20 selects 2.5 square millimeters equally.These many one end connecting wire 20 are connected with the corresponding contacts of this aviation plug 30, and actual adding can adopt the mode of welding to connect man-hour.The other end that every bar connects wire 20 is then provided with the combination hub 21 matched with binding post plug 12.
When needing to use the above-mentioned testing equipment being provided with aviation socket to test accordingly power transformer, only the aviation plug 30 of this assistant connection wire bundle need be connected with the aviation socket of testing equipment, then the binding post plug 12 of the intrafascicular respective wire 10 of test wire combination hub 21 and a upper embodiment provided is connected and can tests.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the application.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a test wire harness for power transformer, is characterized in that, comprises many wires, wherein:
The quantity of the quantity of described wire and the outlet terminal of described power transformer matches;
One end of described wire is provided with wire clamp for connecting described outlet terminal, the other end is provided with binding post plug for joint test equipment.
2. test wire harness as claimed in claim 1, it is characterized in that, the quantity of described wire is 11, is respectively used to 4 high-voltage outlet terminals, 4 middle extrusion line terminals, 3 low voltage outlet terminals that connect described power transformer.
3. test wire harness as claimed in claim 1, it is characterized in that, described wire is relay protection test line.
4. test wire harness as claimed in claim 3, it is characterized in that, described relay protection test line is 2.5 square millimeters of relay protection test lines.
5. the test wire harness as described in any one of Claims 1 to 4, is characterized in that, also comprises assistant connection wire bundle, wherein:
Described assistant connection wire bundle comprises many and connects wire and aviation plug;
One end of described connection wire is connected with the corresponding contacts of described aviation plug, the other end is provided with the combination hub matched with described binding post plug.
6. test wire harness as claimed in claim 5, it is characterized in that, described connection wire is relay protection test line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520732887.3U CN205157597U (en) | 2015-09-21 | 2015-09-21 | Power transformer's experimental pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520732887.3U CN205157597U (en) | 2015-09-21 | 2015-09-21 | Power transformer's experimental pencil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205157597U true CN205157597U (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520732887.3U Active CN205157597U (en) | 2015-09-21 | 2015-09-21 | Power transformer's experimental pencil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205157597U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950403A (en) * | 2017-04-27 | 2017-07-14 | 国家电网公司 | A kind of test connection wire clamp |
| CN111337776A (en) * | 2020-03-20 | 2020-06-26 | 安庆师范大学 | Test wire harness of power transformer |
| CN111707887A (en) * | 2020-05-22 | 2020-09-25 | 国网河北省电力有限公司保定供电分公司 | Optimal scheme for routine test of power transformer |
-
2015
- 2015-09-21 CN CN201520732887.3U patent/CN205157597U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950403A (en) * | 2017-04-27 | 2017-07-14 | 国家电网公司 | A kind of test connection wire clamp |
| CN111337776A (en) * | 2020-03-20 | 2020-06-26 | 安庆师范大学 | Test wire harness of power transformer |
| CN111337776B (en) * | 2020-03-20 | 2022-05-17 | 安庆师范大学 | Test wire harness of power transformer |
| CN111707887A (en) * | 2020-05-22 | 2020-09-25 | 国网河北省电力有限公司保定供电分公司 | Optimal scheme for routine test of power transformer |
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