CN109001586A - A kind of current transformer polarity detection method - Google Patents
A kind of current transformer polarity detection method Download PDFInfo
- Publication number
- CN109001586A CN109001586A CN201810559489.4A CN201810559489A CN109001586A CN 109001586 A CN109001586 A CN 109001586A CN 201810559489 A CN201810559489 A CN 201810559489A CN 109001586 A CN109001586 A CN 109001586A
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- CN
- China
- Prior art keywords
- current transformer
- adjusting block
- matrix
- secondary winding
- terminal
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/72—Testing of electric windings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The invention discloses a kind of current transformer polarity detection method, the present invention includes the following steps: that (1) adjusts the conducting end of all adjusting blocks to the position with two terminal slots faces；(2) make the secondary winding short circuit of all current transformers；(3) it detects；(4) polarity of the secondary winding of current transformer is judged according to the rotary state of the pointer of ammeter；(5) step (3) and (4) are repeated and detects next current transformer；(6) step (5) are repeated until having detected all current transformers.Current transformer polarity detection method of the present invention uses current transformer polarity detector above-mentioned.The present invention does not need secondary winding terminal wiring repeatedly, and switch speed is fast, to be avoided that Current Transformer Secondary winding open circuit.
Description
Technical field
The present invention relates to a kind of power detection, in particular to a kind of current transformer polarity detection method.
Background technique
China Patent No. 201210422230.8 discloses a kind of current transformer characteristic test secondary wiring device, passes through
Double-point double-throw switch one end is connect with connecting terminal, and the other end can be placed in testing terminal or short-circuited terminal, connecting terminal and electric current
The conducting wire of the extraction of the secondary windings of mutual inductor connects, short-circuited terminal ground connection, realizes and does not need wiring and can be completed " to connect and survey
Switching between examination " and " short circuit grounding " two states.
Such test device before testing, is needed to connect double-pole double throw on the secondary coil of tested current transformer and be opened
It closes, and it also requires group device short-circuited terminal and testing terminal.It operates loaded down with trivial details.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of easy to operate current transformer polarity detection method.
In order to solve the above-mentioned technical problem, current transformer polarity detector of the present invention includes ammeter and termination,
Termination includes matrix and multiple Wiring modules for being arranged on matrix, and matrix uses insulating materials, and Wiring module includes setting
One end of the adjusting block setting two on matrix terminal slots and being plugged on matrix, adjusting block uses conductive material, adjusts
The other end of block uses insulating materials, is respectively provided with a conductive sheet, two conductive sheet phases on the two sides of the insulating end of adjusting block
Insulation, two binding posts that two conductive sheets pass through conducting wire and ammeter respectively connect, when plugging end in two terminal slots
After son, adjusting block is in the adjustment process of position, and there are two the conductive sheet states with two termination contacts respectively for adjusting block tool, adjusts
Block also has the state of conducting end Yu two termination contacts.
In order to which inserting terminal is convenient, the Wiring module has 3-6, and all Wiring modules are arranged in linear type, each
Two terminal slots of Wiring module and the slot of adjusting block are arranged in I-shaped.So that terminal slots are than adjusting block slot
Width, adjusting block can be stuck in terminal slots, and in adjusting block sliding, terminal is not easily to fall off.
In order to further prevent terminal removal, the slot of the adjusting block penetrates through matrix, and terminal slots do not penetrate through matrix,
The notch of all terminal slots is in the same side of matrix.
Current transformer polarity detection method of the present invention includes the following steps: that (1) uses current transformer polarity above-mentioned
Detector adjusts the conducting end of all adjusting blocks to the position with two terminal slots faces；(2) by each electricity to be detected
Two connecting terminals of the secondary winding of current transformer are inserted respectively into the two-terminal slot an of Wiring module, make all electric currents
The secondary winding short circuit of mutual inductor；(3) it detects, the corresponding adjusting block of a current transformer to be detected is adjusted to two conductions
Piece with two terminal slots faces, makes the secondary winding turn-on current table of the current transformer, then by the Current Mutual Inductance respectively
The primary winding of device is connected with power supply and moment disconnects, while observing ammeter；(4) according to the rotary state of the pointer of ammeter
Judge the polarity of the secondary winding of current transformer；(5) position for adjusting adjusting block keeps the secondary winding surveyed short-circuit, repeats to walk
Suddenly (3) and (4) detect next current transformer；(6) step (5) are repeated until having detected all current transformers.
The beneficial effects of the present invention are: the present invention uses special termination, a termination can connect multiple
Secondary winding, by adjust adjusting block position switch secondary winding short-circuit condition and with the connection status of ammeter, be not required to
Secondary winding terminal wiring repeatedly is wanted, and switch speed is fast, to be avoided that Current Transformer Secondary winding open circuit.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the A-A cut-away view of Fig. 1；
Fig. 3 is the B-B cut-away view of Fig. 2；
Fig. 4 is the structural representation enlarged drawing of part 4；
In figure: 1, ammeter, 2, matrix, 3, terminal slots, 4, adjusting block, 5, conducting wire, 4-1, conducting end, 4-2, insulating end, 4-
3, conductive sheet.
Specific embodiment
A kind of current transformer polarity detector as shown in Figure 1, Figure 2 and Figure 3, it includes ammeter 1 and termination,
Termination includes matrix 2 and multiple Wiring modules for being arranged on matrix 2, and matrix 2 uses insulating materials, and Wiring module includes
Two terminal slots 3 being arranged on matrix 2 and the adjusting block 4 being plugged on matrix 2, as shown in figure 4, one end of adjusting block 4
Using conductive material, the other end of adjusting block 4 uses insulating materials, forms conducting end 4-1 and insulating end 4-2, adjusting block 4 it is exhausted
A conductive sheet 4-3 is respectively provided on the two sides of acies 4-2, two conductive sheet 4-3 phases insulate, and two conductive sheet 4-3 lead to respectively
It crosses conducting wire 5 to connect with two binding posts of ammeter 1, after plugging terminal in two terminal slots 3, adjusting block 4 is in position
In adjustment process, there are two conductive sheet 4-3, the state with two termination contacts, adjusting block 4 also have conduction to adjusting block tool respectively
Hold the state of 4-1 and two termination contact.
Wiring module has 4, and all Wiring modules are arranged in linear type, two 3 Hes of terminal slots of each Wiring module
The slot of adjusting block 4 is arranged in I-shaped.The slot of adjusting block 4 penetrates through matrix 2, and terminal slots 3 do not penetrate through matrix, all ends
The notch of sub- slot 3 is in the same side of matrix 2.
A kind of current transformer polarity detection method includes the following steps: that (1) uses electricity as shown in Figure 1, Figure 2 and Figure 3
Current transformer polarity detector adjusts the conductive one end of all adjusting blocks 4 to the position with two 3 faces of terminal slots；(2)
Two connecting terminals of the secondary winding of each current transformer to be detected are inserted respectively into the two-terminal of a Wiring module
In slot 3, make the secondary winding short circuit of all current transformers；(3) it detects, by the corresponding tune of a current transformer to be detected
Locking nub 4 is adjusted to two conductive sheet 4-3 respectively with two 3 faces of terminal slots, connects the secondary winding of the current transformer
Ammeter (removal short-circuit condition), then the primary winding of the current transformer is connected with power supply and moment disconnects, see simultaneously
Examine ammeter；(4) polarity of the secondary winding of current transformer is judged according to the rotary state of the pointer of ammeter；(5) it adjusts
The position of adjusting block keeps the secondary winding surveyed short-circuit, repeats step (3) and (4) and detects next current transformer；(6) it repeats
Step (5) is until having detected all current transformers.
Claims (1)
1. a kind of current transformer polarity detection method, characterized by the following steps: (1) use current transformer pole
Property detector, the current transformer polarity detector includes ammeter and termination, and termination includes matrix and sets
Multiple Wiring modules on matrix are set, matrix uses insulating materials, and Wiring module includes two terminals being arranged on matrix
Slot and the adjusting block being plugged on matrix, one end of adjusting block use conductive material, and the other end of adjusting block uses insulation material
Expect, is respectively provided with a conductive sheet on the two sides of the insulating end of adjusting block, two conductive sheets mutually insulate, and two conductive sheets lead to respectively
Two binding posts for crossing conducting wire and ammeter connect, and after plugging terminal in two terminal slots, adjusting block is adjusted in position
In the process, there are two conductive sheet, the state with two termination contacts, adjusting block also have conducting end and two to adjusting block tool respectively
The state of termination contact, two terminal slots of each Wiring module and the slot of adjusting block be arranged in it is I-shaped, adjusting block
Slot penetrates through matrix, and terminal slots do not penetrate through matrix, and the notch of all terminal slots is in the same side of matrix, by all tune
The conducting end of locking nub is adjusted to the position with two terminal slots faces；(2) by the secondary of each current transformer to be detected
Winding two connecting terminals be inserted respectively into the two-terminal slot an of Wiring module, make all current transformers it is secondary around
Resistance short circuit；(3) it detects, the corresponding adjusting block of a current transformer to be detected is adjusted to two conductive sheets and is held respectively with two
Sub- slot face makes the secondary winding turn-on current table of the current transformer, then by the current transformer it is primary winding with
Power supply is connected and moment disconnects, while observing ammeter；(4) current transformer is judged according to the rotary state of the pointer of ammeter
Secondary winding polarity；(5) position for adjusting adjusting block keeps the secondary winding surveyed short-circuit, repeats step (3) and (4) detection
Next current transformer；(6) step (5) are repeated until having detected all current transformers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810559489.4A CN109001586B (en) | 2016-01-18 | 2016-01-18 | Polarity detection method for current transformer |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810559489.4A CN109001586B (en) | 2016-01-18 | 2016-01-18 | Polarity detection method for current transformer |
| CN201610029503.0A CN105652146B (en) | 2016-01-18 | 2016-01-18 | A kind of current transformer polarity detector and detection method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610029503.0A Division CN105652146B (en) | 2016-01-18 | 2016-01-18 | A kind of current transformer polarity detector and detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109001586A true CN109001586A (en) | 2018-12-14 |
| CN109001586B CN109001586B (en) | 2020-07-17 |
Family
ID=56487394
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610029503.0A Active CN105652146B (en) | 2016-01-18 | 2016-01-18 | A kind of current transformer polarity detector and detection method |
| CN201810559489.4A Active CN109001586B (en) | 2016-01-18 | 2016-01-18 | Polarity detection method for current transformer |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610029503.0A Active CN105652146B (en) | 2016-01-18 | 2016-01-18 | A kind of current transformer polarity detector and detection method |
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| Country | Link |
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| CN (2) | CN105652146B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005057228A1 (en) * | 2003-11-12 | 2005-06-23 | International Business Machines Corporation | Ionization test for electrical verification |
| CN102944700A (en) * | 2012-10-30 | 2013-02-27 | 武汉华源电力工程有限责任公司 | Secondary wiring device for test of characteristics of a current transformer |
| CN204330944U (en) * | 2015-01-14 | 2015-05-13 | 李振东 | Instrument for testing polarity of current transformer |
| CN204832398U (en) * | 2015-05-21 | 2015-12-02 | 国家电网公司 | Current transformer secondary wiring detection device that take a percentage more |
| CN204832412U (en) * | 2015-08-07 | 2015-12-02 | 国网山东省电力公司淄博供电公司 | Novel combined instrument transformer polarity test appearance |
| CN204925309U (en) * | 2015-07-31 | 2015-12-30 | 国网山东沂源县供电公司 | Current transformer polarity tester |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202562967U (en) * | 2012-05-15 | 2012-11-28 | 珠海格力电器股份有限公司 | Rapid wiring device and testing system |
| CN203224526U (en) * | 2013-04-07 | 2013-10-02 | 国家电网公司 | A high-voltage wire connector used for AC withstanding voltage |
| CN103344935B (en) * | 2013-05-10 | 2016-04-13 | 国家电网公司 | Full-automatic low-voltage current transformer test termination |
| CN103715525A (en) * | 2013-12-30 | 2014-04-09 | 重庆雷士照明有限公司 | Fast-inserting terminal block |
| JP6270618B2 (en) * | 2014-05-14 | 2018-01-31 | 三菱電機株式会社 | Connection conductor unit |
| CN204271321U (en) * | 2014-08-29 | 2015-04-15 | 广东华声电器股份有限公司 | A kind of American cross two insert |
-
2016
- 2016-01-18 CN CN201610029503.0A patent/CN105652146B/en active Active
- 2016-01-18 CN CN201810559489.4A patent/CN109001586B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005057228A1 (en) * | 2003-11-12 | 2005-06-23 | International Business Machines Corporation | Ionization test for electrical verification |
| CN102944700A (en) * | 2012-10-30 | 2013-02-27 | 武汉华源电力工程有限责任公司 | Secondary wiring device for test of characteristics of a current transformer |
| CN204330944U (en) * | 2015-01-14 | 2015-05-13 | 李振东 | Instrument for testing polarity of current transformer |
| CN204832398U (en) * | 2015-05-21 | 2015-12-02 | 国家电网公司 | Current transformer secondary wiring detection device that take a percentage more |
| CN204925309U (en) * | 2015-07-31 | 2015-12-30 | 国网山东沂源县供电公司 | Current transformer polarity tester |
| CN204832412U (en) * | 2015-08-07 | 2015-12-02 | 国网山东省电力公司淄博供电公司 | Novel combined instrument transformer polarity test appearance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105652146B (en) | 2018-11-16 |
| CN109001586B (en) | 2020-07-17 |
| CN105652146A (en) | 2016-06-08 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200623 Address after: No.12, Lu Ou Road, Hudai Town, Binhu District, Wuxi City, Jiangsu Province Applicant after: Wuxi Kewei Electric Co.,Ltd. Address before: 262700 Shandong city in Weifang Province, Shouguang City Street, Guangming Road San Jin Pu Garden City Sanyou border agency name Applicant before: Xin Xinghua |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
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Address after: Room 1822-772, D2 North, No. 32 Dazhou Road, Yuhuatai District, Nanjing City, Jiangsu Province, 210000 Patentee after: Jiangsu Exway Electric Co.,Ltd. Address before: No. 12 Luyou Road, Hudai Town, Binhu District, Wuxi City, Jiangsu Province, 214100 Patentee before: Wuxi Kewei Electric Co.,Ltd. |