CN205844450U - A kind of CT device for detecting polarity of transformer station - Google Patents
A kind of CT device for detecting polarity of transformer station Download PDFInfo
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- CN205844450U CN205844450U CN201620650550.2U CN201620650550U CN205844450U CN 205844450 U CN205844450 U CN 205844450U CN 201620650550 U CN201620650550 U CN 201620650550U CN 205844450 U CN205844450 U CN 205844450U
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- binding post
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- redness
- pole
- voltage
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- 238000009413 insulation Methods 0.000 claims abstract description 30
- 239000003822 epoxy resin Substances 0.000 claims abstract description 29
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 29
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000001052 transient effect Effects 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims 2
- 239000010426 asphalt Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 9
- 230000004069 differentiation Effects 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
nullA kind of CT device for detecting polarity of transformer station，It is by bis-S1 inputs of CT/redness binding post (1)，Bis-S2 inputs of CT/black binding post (2)，Voltage-limiting protection diode D1/IN4148 (3)，Voltage-limiting protection diode D2/IN4148(4)，NA mA electronics galvanometer (5)，TVS transient voltage suppressor diode D3/P6KE200 (6)，Pressure limiting electric capacity C1/4700PF 2kV (7)，Current-limiting resistance R1/2.2 Ω 2W(8)，Single-pole double throw disconnecting link K(9)，6V battery case (10)，External power supply electrode input end/redness binding post (11)，External power supply negative input/black binding post (12)，Primary equipment L1 input/redness binding post (13)，Primary equipment L2 input/black binding post (14)，Epoxy resins insulation plate (15)，Reactor (16)，Transformator (17) forms，There is test directly perceived，Plug test is flexibly，Fast，And it is provided with perfect protection circuit，Can be used for inspection and the differentiation of the polarity of transformator and the reactor CT after installing.
Description
Technical field
This utility model relates to the CT device for detecting polarity of a kind of transformer station, is mainly used in the CT after electrical equipment installs
Polarity check and differentiation.
Background technology
Existing substation transformer and reactor CT detection technique, the least because flowing through transformator and reactor, use routine
Method often cannot judge the polar orientation of CT.Have not yet to see the CT device for detecting polarity of effective reactor, transformer station.
Utility model content
In order to solve the Check up polarity problem of transformator and the reactor CT after installing, the utility model proposes
The CT device for detecting polarity of a kind of transformer station, its device experiment principle is to form short circuit current by circuit switching, has test
Intuitively, plug test flexibly, fast, also can external direct current power supply, and be provided with perfect protection circuit, can be used for transformator and electricity
The inspection of the polarity of anti-device CT after installing and differentiation.
The technical solution of the utility model is: the CT device for detecting polarity of a kind of transformer station, by bis-S1 inputs of CT/red
Color binding post, bis-S2 input/black binding posts of CT, voltage-limiting protection diode D1/IN4148, voltage-limiting protection diode D2/
IN4148, nA-mA electronics galvanometer, TVS transient voltage suppressor diode D3/P6KE200, pressure limiting electric capacity C1/4700PF 2kV,
Current-limiting resistance R1/2.2 Ω 2W, single-pole double throw disconnecting link K, 6V battery case, external power supply electrode input end/redness binding post, external
Power cathode input/black binding post, primary equipment L1 input/redness binding post, primary equipment L2 input/black connects
Terminal, epoxy resins insulation plate forms, it is characterized in that on described epoxy resins insulation plate 15, bis-S1 input/redness of CT
Binding post 1, the positive pole 3 of voltage-limiting protection diode D1/IN4148, the negative pole 4 and nA-mA of voltage-limiting protection diode D2/IN4148
Electronics galvanometer positive terminal 5 is connected；CT bis-S2 input/black binding posts 2, voltage-limiting protection diode D1/IN4148
Negative pole 3, the positive pole 4 of voltage-limiting protection diode D2/IN4148, nA-mA electronics galvanometer negative pole end 5 are connected；Primary equipment L1
Input/redness binding post 13, single-pole double throw disconnecting link K 9 are connected L2 end, one end 7 of pressure limiting electric capacity C1/4700PF 2kV, TVS
The negative pole end 6 of transient voltage suppressor diode D3/P6KE200 is connected；Primary equipment L2 input/black binding post 14, list
The L3 end 9 of dpdt double-pole double-throw (DPDT) disconnecting link K, current-limiting resistance R1/2.2 Ω 2W one end 8 be connected, 6V battery case negative pole 10 and external electricity
Source negative input/black binding post 12 is connected；L1 the end 9 and 6V battery case positive pole 10 of single-pole double throw disconnecting link K and external electricity
Source electrode input end/redness binding post 11 is connected；The other end 8 of current-limiting resistance R1/2.2 Ω 2W, TVS transient voltage suppress
The positive terminal 6 of diode D3/P6KE200 is connected, main equipment during test with the pressure limiting electric capacity C1/4700PF 2kV other end 7
Primary side L1, L2 connect wire and insert L1 and L2 binding post respectively, secondary side S1, S2 terminals of CT insert S1 and S2 wiring
Post, operation K single-pole double throw disconnecting link be placed in L1 position to main equipment charging the several seconds after, be then rapidly switched to L3 side, make main equipment
L1 terminals short circuit ground connection, reaches testing goal by observing and switching nA-mA electronics galvanometer yawing moment.
Reactor L1 end is connected with the primary equipment L1 input/redness binding post on epoxy resins insulation plate；Reactance
Device L2 end is connected with the primary equipment L2 input/black binding post on epoxy resins insulation plate；Bis-S1 ends of reactor CT
It is connected with the secondary device S1 input/redness binding post on epoxy resins insulation plate；Bis-S2 ends of reactor CT and epoxy
Primary equipment L2 input/black binding post on insulation resin sheet is connected.
Transformator L1 end 17 is connected with the primary equipment L1 input/redness binding post 13 on epoxy resins insulation plate 15
Connect；Transformator L2 end 17 is connected with the primary equipment L2 input/black binding post 14 on epoxy resins insulation plate 15；Transformation
Bis-S1 ends 17 of device CT are connected with the secondary device S1 input/redness binding post 1 on epoxy resins insulation plate 15；Transformator
Bis-S2 ends 17 of CT are connected with the primary equipment S2 input/black binding post 2 on epoxy resins insulation plate 15.
The CT device for detecting polarity of described a kind of transformer station provides the benefit that, is switched a small area analysis by circuit
It is transformed into short circuit current, solves that scene that the polarity of transformator and the reactor CT after installing cannot check is actual asks
Topic.Simple and efficient to handle.Solving the Check up polarity problem of transformator and the reactor CT after installing, this test method is led to
Oversampling circuit switching forms short circuit current, has test directly perceived, plug test flexibly, fast, also can external direct current power supply, and be provided with
Perfect protection circuit, can be used for inspection and the differentiation of the polarity of transformator and the reactor CT after installing.
Accompanying drawing explanation
In conjunction with the accompanying drawings and embodiments this utility model is further illustrated with following.
Fig. 1 is the CT device for detecting polarity wiring diagram of a kind of transformer station of the present utility model；
Fig. 2 is that wiring diagram tested by reactor；
Fig. 3 is transformer testing wiring diagram.
Detailed description of the invention
As it is shown in figure 1, the CT device for detecting polarity of a kind of transformer station of this utility model, it be by bis-S1 inputs of CT/
Red binding post 1, bis-S2 input/black binding posts 2 of CT, voltage-limiting protection diode D1/IN4148 3, voltage-limiting protection two pole
Pipe D2/IN4148 4, nA-mA electronics galvanometer 5, TVS transient voltage suppressor diode D3/P6KE200 6, pressure limiting electric capacity C1/
4700PF 2kV 7, current-limiting resistance R1/2.2 Ω 2W 8, single-pole double throw disconnecting link K 9,6V battery case 10, external power supply positive pole is defeated
Enter end/red binding post 11, external power supply negative input/black binding post 12, primary equipment L1 input/redness binding post
13, primary equipment L2 input/black binding post 14, epoxy resins insulation plate 15, reactor 16, transformator 17 forms, such as Fig. 1
Shown in, bis-S1 input/redness binding posts 1 of CT, the positive pole 3 of voltage-limiting protection diode D1/IN4148, voltage-limiting protection diode
The negative pole 4 of D2/IN4148 is connected with nA-mA electronics galvanometer positive terminal 5；Bis-S2 input/black binding posts 2 of CT, limit
The pressure protection negative pole 3 of diode D1/IN4148, the positive pole 4 of voltage-limiting protection diode D2/IN4148, nA-mA electronics galvanometer are born
Extreme 5 are connected；Primary equipment L1 input/redness binding post 13, single-pole double throw disconnecting link K9 are connected L2 end, pressure limiting electric capacity C1/
One end 7 of 4700PF 2kV, the negative pole end 6 of TVS transient voltage suppressor diode D3/P6KE200 are connected；Primary equipment L2 is defeated
Enter end/black binding post 14, the L3 end 9 of single-pole double throw disconnecting link K, current-limiting resistance R1/2.2 Ω 2W one end 8 be connected, 6V
Battery case negative pole 10 is connected with external power supply negative input/black binding post 12；The L1 end 9 and 6V of single-pole double throw disconnecting link K
Battery case positive pole 10 is connected with external power supply electrode input end/redness binding post 11；Another of current-limiting resistance R1/2.2 Ω 2W
End 8, positive terminal 6 and the pressure limiting electric capacity C1/4700PF 2kV other end 7 phase of TVS transient voltage suppressor diode D3/P6KE200
Connect；
As in figure 2 it is shown, reactor L1 end 16 and the primary equipment L1 input/redness wiring on epoxy resins insulation plate 15
Post 13 is connected；Reactor L2 end 16 and the primary equipment L2 input on epoxy resins insulation plate 15/black binding post 14 phase
Connect；Bis-S1 ends 16 of reactor CT are connected with the secondary device S1 input/redness binding post 1 on epoxy resins insulation plate 15
Connect；Bis-S2 ends 16 of reactor CT are connected with the primary equipment L2 input/black binding post 2 on epoxy resins insulation plate 15
Connect.
As it is shown on figure 3, in transformer connection figure, transformator L1 end 17 and the primary equipment L1 on epoxy resins insulation plate 15
Input/redness binding post 13 is connected；Primary equipment L2 input on transformator L2 end 17 and epoxy resins insulation plate 15/
Black binding post 14 is connected；Secondary device S1 input on bis-S1 ends of transformator CT 17 and epoxy resins insulation plate 15/
Red binding post 1 is connected；Bis-S2 ends 17 of transformator CT and the primary equipment S2 input on epoxy resins insulation plate 15/black
Color binding post 2 is connected.
This utility model has been made a detailed description by above example, and the above, for the preferable enforcement of this utility model
Example, when not limiting this utility model practical range, the most all made impartial change according to the application scope and is modified, all should still be belonged to this
In utility model covering scope.
Claims (2)
1. a CT device for detecting polarity for transformer station, it is by bis-S1 inputs of CT/redness binding post (1), and bis-S2 of CT are defeated
Enter end/black binding post (2), voltage-limiting protection diode D1/IN4148 (3), voltage-limiting protection diode D2/IN4148(4), nA-
MA electronics galvanometer (5), TVS transient voltage suppressor diode D3/P6KE200 (6), pressure limiting electric capacity C1/4700PF 2kV
(7), current-limiting resistance R1/2.2 Ω 2W(8), single-pole double throw disconnecting link K(9), 6V battery case (10), external power supply electrode input end/
Red binding post (11), external power supply negative input/black binding post (12), primary equipment L1 input/redness binding post
(13), primary equipment L2 input/black binding post (14), epoxy resins insulation plate (15), reactor (16), transformator (17)
Composition, is characterized in that being, bis-S1 inputs of CT/redness binding post (1), the positive pole of voltage-limiting protection diode D1/IN4148
(3), the negative pole (4) of voltage-limiting protection diode D2/IN4148 is connected with nA-mA electronics galvanometer positive terminal (5)；Bis-S2 of CT
Input/black binding post (2), the negative pole (3) of voltage-limiting protection diode D1/IN4148, voltage-limiting protection diode D2/IN4148
Positive pole (4), nA-mA electronics galvanometer negative pole end (5) is connected；Primary equipment L1 input/redness binding post (13), hilted broadsword
Double-throw disconnecting link K(9) be connected L2 end, one end (7) of pressure limiting electric capacity C1/4700PF 2kV, TVS transient voltage suppressor diode D3/
The negative pole end (6) of P6KE200 is connected；Primary equipment L2 input/black binding post (14), the L3 end of single-pole double throw disconnecting link K
(9), current-limiting resistance R1/2.2 Ω 2W one end (8) be connected, 6V battery case negative pole (10) and external power supply negative pole input
End/black binding post (12) is connected；The L1 end (9) of single-pole double throw disconnecting link K and 6V battery case positive pole (10) and external power supply are just
Pole input/redness binding post (11) is connected；The other end (8) of current-limiting resistance R1/2.2 Ω 2W, TVS transient voltage suppress
The positive terminal (6) of diode D3/P6KE200 is connected with the pressure limiting electric capacity C1/4700PF 2kV other end (7)；
Described reactor L1 end (16) and the primary equipment L1 input/redness binding post (13) on epoxy resins insulation plate (15)
It is connected；Reactor L2 end (16) and the primary equipment L2 input/black binding post (14) on epoxy resins insulation plate (15)
It is connected；Bis-S1 ends (16) of reactor CT and the secondary device S1 input/redness wiring on epoxy resins insulation plate (15)
Post (1) is connected；Bis-S2 ends (16) of reactor CT and the primary equipment L2 input/black on epoxy resins insulation plate (15)
Binding post (2) is connected；
In described transformer connection, transformator L1 end (17) and the primary equipment L1 input on epoxy resins insulation plate (15)
End/red binding post (13) is connected；Transformator L2 end (17) and the primary equipment L2 input on epoxy resins insulation plate (15)
End/black binding post (14) is connected；Bis-S1 ends (17) of transformator CT and the secondary device on epoxy resins insulation plate (15)
S1 input/redness binding post (1) is connected；On bis-S2 ends (17) of transformator CT and epoxy resins insulation plate (15) once
Equipment S2 input/black binding post (2) is connected.
The CT device for detecting polarity of a kind of transformer station the most according to claim 1, is characterized in that being, at described asphalt mixtures modified by epoxy resin
On fat insulation board (15), bis-S1 inputs of CT/redness binding post (1), the positive pole (3) of voltage-limiting protection diode D1/IN4148,
The negative pole (4) of voltage-limiting protection diode D2/IN4148 is connected with nA-mA electronics galvanometer positive terminal (5)；Bis-S2 inputs of CT
End/black binding post (2), the negative pole (3) of voltage-limiting protection diode D1/IN4148, voltage-limiting protection diode D2/IN4148 are just
Pole (4), nA-mA electronics galvanometer negative pole end (5) are connected；Primary equipment L1 input/redness binding post (13), single-pole double throw
Disconnecting link K(9) be connected L2 end, one end (7) of pressure limiting electric capacity C1/4700PF 2kV, TVS transient voltage suppressor diode D3/
The negative pole end (6) of P6KE200 is connected；Primary equipment L2 input/black binding post (14), the L3 end of single-pole double throw disconnecting link K
(9), current-limiting resistance R1/2.2 Ω 2W one end (8) be connected, 6V battery case negative pole (10) and external power supply negative pole input
End/black binding post (12) is connected；The L1 end (9) of single-pole double throw disconnecting link K and 6V battery case positive pole (10) and external power supply are just
Pole input/redness binding post (11) is connected；The other end (8) of current-limiting resistance R1/2.2 Ω 2W, TVS transient voltage suppress
The positive terminal (6) of diode D3/P6KE200 is connected with the pressure limiting electric capacity C1/4700PF 2kV other end (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620650550.2U CN205844450U (en) | 2016-06-28 | 2016-06-28 | A kind of CT device for detecting polarity of transformer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620650550.2U CN205844450U (en) | 2016-06-28 | 2016-06-28 | A kind of CT device for detecting polarity of transformer station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205844450U true CN205844450U (en) | 2016-12-28 |
Family
ID=57620773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620650550.2U Active CN205844450U (en) | 2016-06-28 | 2016-06-28 | A kind of CT device for detecting polarity of transformer station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205844450U (en) |
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2016
- 2016-06-28 CN CN201620650550.2U patent/CN205844450U/en active Active
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| GR01 | Patent grant |