CN207730874U - A kind of air reactor turn-to-turn fault simulator - Google Patents
A kind of air reactor turn-to-turn fault simulator Download PDFInfo
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- CN207730874U CN207730874U CN201820084871.XU CN201820084871U CN207730874U CN 207730874 U CN207730874 U CN 207730874U CN 201820084871 U CN201820084871 U CN 201820084871U CN 207730874 U CN207730874 U CN 207730874U
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Abstract
The utility model discloses a kind of air reactor turn-to-turn fault simulators, including the first crocodile clip（1）, the second crocodile clip（2）, metal shell（3）Be set to metal shell（3）On the ports BNC in parallel；The ports BNC in parallel include the first connector（4）With the second connector（5）；The metal shell（3）It is internally provided with capacitance resistance load（6）；First crocodile clip（1）And capacitance resistance load（6）First end with the first connector（4）It is electrically connected, second crocodile clip（2）And capacitance resistance load（6）Second end be electrically connected with second interface（5）It is electrically connected.The utility model provides a kind of air reactor turn-to-turn fault simulator, after being connected on air reactor, can carry out the turn-to-turn fault simulation of air reactor, obtain rational turn-to-turn fault data, be analyzed in order to the turn-to-turn fault of air reactor.
Description
Technical field
The utility model is related to air reactors, more particularly to a kind of air reactor turn-to-turn fault simulator.
Background technology
Air reactor is because having many advantages, such as that voltage's distribiuting is uniform, the linearity is good, noise is low, loss is low, easy to maintain
And increasingly by being welcome to countries in the world power department, however, in actual moving process, air reactor often occurs and burns thing
Therefore cause prodigious economic loss；The practical operating experiences and great mass of data of domestic and international air reactor show：Air reactor
Accident is largely caused by turn-to-turn fault.
When carrying out air reactor turn-to-turn fault research, it is difficult to encounter satisfactory failure test item, general sky
Because the failure that early stage occurs is not easy to be found, and after failure accumulation to a certain extent fire quickly occurs for core device
Entirety is caused to be burnt, the accident defect that this experimental study leaves is excessively apparent, can not provide relatively reasonable turn-to-turn fault number
According to the turn-to-turn fault for being unfavorable for carrying out air reactor is researched and analysed, and the exploitation of air reactor detection instrument is also unfavorable for.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of air reactor turn-to-turn fault simulation
Device after being connected on air reactor, can carry out the turn-to-turn fault simulation of air reactor, obtain rational turn-to-turn fault number
According to being researched and analysed in order to the turn-to-turn fault of air reactor.
The purpose of this utility model is achieved through the following technical solutions：A kind of air reactor turn-to-turn fault simulation
Device, including the first crocodile clip, the second crocodile clip, metal shell and the ports BNC in parallel being set on metal shell；It is described and
It includes the first connector and the second connector to join the ports BNC；The metal shell is internally provided with capacitance resistance load；
The first end of first crocodile clip and capacitance resistance load is electrically connected with the first connector, second crocodile
The second end interface that is electrically connected with second of folder and capacitance resistance load is electrically connected.
Wherein, the capacitance resistance load includes at least one adjustable resistance and at least one tunable capacitor；The adjustable electric
Resistance and tunable capacitor are connected between the first end and second end of capacitance resistance load in series or in parallel.
Preferably, first crocodile clip and the second crocodile clip are realized and the ports BNC in parallel by same root coaxial cable
Connection；At this point, first crocodile clip is connected to the first connector by the core of coaxial cable, second crocodile clip is logical
The shielding line for crossing coaxial cable is connected to the second connector.
Preferably, first crocodile clip and the second crocodile clip pass through two different coaxial cables and the ports BNC in parallel
Connection；At this point, first crocodile clip is linked to the first connector, second crocodile by the core of wherein one coaxial cable
Fish folder is connected to the second connector by the core of another coaxial cable.
Preferably, earthing screw is additionally provided on the metal shell, earthing screw can be carried out hanging or be connect as needed
Ground is arranged.
The utility model has the beneficial effects that：After the utility model is connected on air reactor, hollow electricity can be carried out
The turn-to-turn fault of anti-device is simulated, and rational turn-to-turn fault data are obtained, and is analyzed in order to the turn-to-turn fault of air reactor.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the embodiments of the present invention schematic diagram；
In figure, the first crocodile clips of 1-, the second crocodile clips of 2-, 3- metal shells, the first connectors of 4-, the second connectors of 5-,
6- capacitance resistance loads, 7- earthing screws.
Specific implementation mode
The technical solution of the utility model, but the scope of protection of the utility model are described in further detail below in conjunction with the accompanying drawings
It is not limited to as described below.
As shown in Figure 1, a kind of air reactor turn-to-turn fault simulator, including the first crocodile clip 1, the second crocodile clip 2, gold
The ports BNC in parallel for belonging to shell 3 and being set on metal shell 3；The ports BNC in parallel include the first connector 4 and the
Two connectors 5；The metal shell 3 is internally provided with capacitance resistance load 6；
The first end of first crocodile clip 1 and capacitance resistance load 6 is electrically connected with the first connector 4, and described second
The second end of crocodile clip 2 and capacitance resistance load 6 interface 5 that is electrically connected with second is electrically connected.
Wherein, the capacitance resistance load 6 includes at least one adjustable resistance and at least one tunable capacitor；The adjustable electric
Resistance and tunable capacitor are connected in series or in parallel between the first end and second end of capacitance resistance load 6.In some implementations
In example, the adjusting knob of adjustable resistance and tunable capacitor is located at metal shell surface, and includes simple range indicating label.
First crocodile clip, 1 and second crocodile clip 2 is clamped on the different circles of air reactor；In the metal shell
Earthing screw 7 is additionally provided on 3.
In one embodiment, first crocodile clip, 1 and second crocodile clip 2 by same root coaxial cable realize with simultaneously
Join the connection of the ports BNC；At this point, only needing to open up an aperture on metal shell 3, pass through for coaxial cable；In the embodiment, institute
It states the first crocodile clip 1 and first connector 4 is connected to by the core of coaxial cable, second crocodile clip 2 passes through coaxial cable
Shielding line be connected to the second connector 5；In this embodiment, the shielding line of coaxial cable is connect with metal shell 3, and will
Earthing screw 7 is hanging.
In another embodiment, first crocodile clip, 1 and second crocodile clip 2 by two different coaxial cables with
The ports BNC connection in parallel；At this point, needing to open up two apertures on metal shell 3, pass through respectively for two coaxial cables；In the reality
It applies in example, first crocodile clip 1 is linked to the first connector 4, second crocodile by the core of wherein one coaxial cable
Fish folder 2 is connected to the second connector 5 by the core of another coaxial cable；In the embodiment, it will be connect with the second crocodile clip 2
Coaxial cable shielding line connection, earth stud 7 can be grounded or vacantly.
In embodiments herein, it is in the port of parallel relationship that the ports BNC in parallel, which are with two crocodile clips, if necessary
The signal of fault point is monitored, then can utilize the ports BNC in parallel of fault simulator, such as directly be connected with oscillograph, Ke Yiguan
The waveform signal occurred at turn-to-turn fault short circuit or partial short-circuit is measured, therefore the design of the parallel connection ports BNC not only allows for simultaneously
Connection, it is also contemplated that the application demand in signal monitoring channel.
As shown in Fig. 2, in embodiments herein, the first crocodile clip 1 and the second crocodile clip 2 are clamped in hollow reactance
The fault simulation of air reactor is carried out on the coil of device difference circle；When the cranking test that air reactor is carried out, hollow electricity
High current is generated inside anti-device to be formed into a loop some electric current by fault simulator by the coil of air reactor,
The overall impedance of equivalent air reactor is caused to decline, to which actual current value is more than expected trouble-free current value, if the reality
It applies in example, the capacitance resistance load 6 inside fault simulator, by an adjustable resistance R and a tunable capacitor C with parallel way structure
At crocodile clip shares a coaxial cable, 0-500 ohm of resistance R adjustable extents, the adjustable extent 0-1uF of capacitance C, to divide
Turn-to-turn short circuit characteristic is analysed, R and C can be both adjusted to null position, earth stud is hanging, then being this time equivalent to air reactor
There is complete turn-to-turn short circuit, short-circuit the number of turns is 3 circles, then under this condition, the data of dependence test instrument can be read, than
Such as current value, impedance value etc.；When needing gradually to analyze the state before breakdown between adjacent turns occur for air reactor, can gradually increase
Big R or C, or synchronous increase R and C, you can observe the data variation of test equipment.By the embodiment as it can be seen that the hollow reactance
The fault simulator of device designs very simple, simple operation, is not necessarily to additional power supply（Only two crocodile clips need to be connected to hollow electricity
The different turn-to-turn interfaces of anti-device）, by regulation resistance and capacitance, the effect of air reactor turn-to-turn fault simulation can be expired
The requirement of sufficient different faults degree；The fault simulator can carry out failure simultaneously in the multiple and different positions of air reactor
Simulation, to study many places failure and the case where when depositing, therefore the utility model has wide application value.This practicality is new
After type is connected on air reactor, the turn-to-turn fault simulation of air reactor can be carried out, rational turn-to-turn fault number is obtained
According to researching and analysing for the turn-to-turn fault of air reactor and provide data supporting with the exploitation of air reactor fault detect tool.
Claims (7)
1. a kind of air reactor turn-to-turn fault simulator, it is characterised in that：Including the first crocodile clip（1）, the second crocodile clip
（2）, metal shell（3）Be set to metal shell（3）On the ports BNC in parallel；The ports BNC in parallel include the first company
Interface（4）With the second connector（5）；The metal shell（3）It is internally provided with capacitance resistance load（6）；
First crocodile clip（1）And capacitance resistance load（6）First end with the first connector（4）It is electrically connected, described
Two crocodile clips（2）And capacitance resistance load（6）Second end with the second connector（5）It is electrically connected.
2. a kind of air reactor turn-to-turn fault simulator according to claim 1, it is characterised in that：The capacitance-resistance is negative
It carries（6）Including at least one adjustable resistance and at least one tunable capacitor；The adjustable resistance and tunable capacitor are to connect or simultaneously
The mode of connection is connected to capacitance resistance load（6）First end and second end between.
3. a kind of air reactor turn-to-turn fault simulator according to claim 1, it is characterised in that：First crocodile
Folder（1）With the second crocodile clip（2）It is realized and the connection of the ports BNC in parallel by same root coaxial cable.
4. a kind of air reactor turn-to-turn fault simulator according to claim 3, it is characterised in that：First crocodile
Folder（1）It is connected to the first connector by the core of coaxial cable（4）, second crocodile clip（2）Pass through the screen of coaxial cable
It covers line and is connected to the second connector（5）.
5. a kind of air reactor turn-to-turn fault simulator according to claim 1, it is characterised in that：First crocodile
Folder（1）With the second crocodile clip（2）It is connect with the parallel connection ports BNC by two different coaxial cables.
6. a kind of air reactor turn-to-turn fault simulator according to claim 5, it is characterised in that：First crocodile
Folder（1）It is linked to the first connector by the core of wherein one coaxial cable（4）, second crocodile clip（2）By another
The core of root coaxial cable is connected to the second connector（5）.
7. a kind of air reactor turn-to-turn fault simulator according to claim 1, it is characterised in that：The metal shell
（3）On be additionally provided with earthing screw（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820084871.XU CN207730874U (en) | 2018-01-18 | 2018-01-18 | A kind of air reactor turn-to-turn fault simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820084871.XU CN207730874U (en) | 2018-01-18 | 2018-01-18 | A kind of air reactor turn-to-turn fault simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207730874U true CN207730874U (en) | 2018-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820084871.XU Active CN207730874U (en) | 2018-01-18 | 2018-01-18 | A kind of air reactor turn-to-turn fault simulator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109901009A (en) * | 2019-03-21 | 2019-06-18 | 西安交通大学 | A kind of analogy method of dry type hollow reactor interturn short circuit fault |
-
2018
- 2018-01-18 CN CN201820084871.XU patent/CN207730874U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109901009A (en) * | 2019-03-21 | 2019-06-18 | 西安交通大学 | A kind of analogy method of dry type hollow reactor interturn short circuit fault |
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