CN205450210U - On -load tap -changer characteristic simulation device - Google Patents
On -load tap -changer characteristic simulation device Download PDFInfo
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- CN205450210U CN205450210U CN201620273524.2U CN201620273524U CN205450210U CN 205450210 U CN205450210 U CN 205450210U CN 201620273524 U CN201620273524 U CN 201620273524U CN 205450210 U CN205450210 U CN 205450210U
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- ratio bridging
- transition resistance
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Abstract
The utility model discloses an on -load tap -changer characteristic simulation device, including the control mechanism who is arranged in simulating the electronic mechanism of transformer different grade type tapping switch function, an actuating mechanism for simulating transformer different grade type tapping switch operating condition switches, a miniature transformer winding for simulating transformer tapping switch switching in -process transformer winding, a transition resistance group for simulating transformer different grade type tapping switch transition resistance option demand. The utility model provides an on -load tap -changer characteristic simulation device, its operating condition that can simulate the on -load tap -changer characteristic of different models to pass test the appearance and provide and correspond the normal wave form and the form of data, compare the foundation with the data as true test procedure of later stage, so that its data of measuring have maneuverability and application.
Description
Technical field
This utility model relates to a kind of analog used in the case of transformator has and carries switch-dividing.More specifically, this utility model relates to a kind of characteristic Simulation analog being used under on-load tap changers of transformers working condition.
Background technology
Load ratio bridging switch, it it is a kind of switching device that constant voltage is provided when load change for transformator, its ultimate principle is exactly ensureing not in the case of interrupt load electric current, realize the switching between tap in Transformer Winding, thus change the number of turn of winding, the i.e. voltage ratio of transformator, finally realizes the purpose of pressure regulation.In power transmission and transformation industry now, high-power transformer is mounted with on-load voltage regulating switch the most widely, the quality of voltage of guarantee system and user is played an important role by it, developed country is assembled with greatly load ratio bridging switch to capacity at 10MVA and above transformator at present, and the most how China's power system and user have employed ULTC.And load ratio bridging switch is its most critical, expensive components.
And on-load tap changer tester is to have employed test philosophy according to " power equipment hand-over and preventive test code ", use microcomputer technology, without dismantling transformator and suspension switch, just the performance of the loaded switch of various power transformers can be tested, display and the waveform of printed transient and a kind of power instrument of parameter thereof.Tester is for measuring and analyze power transformer and the composite measurement instrument of special transformer load ratio bridging switch electricity function index in power system, it is adopted and computerizeds control, by the measuring circuit of particular design, the transit time to load ratio bridging switch, transition waveform, transition resistance, the isoparametric measurement of three-phase synchronism can be realized, can be as required, directly measured by shunting switch lead-in wire, it is possible to measured by the direct wiring of Three-Phase Transformer sleeve pipe and neutral point.
But in existing technology, on-load tap changers of transformers can only be measured by tester, but lack normal waveform and the form of data of correspondence, using the comparing foundation as authentic testing process.
Utility model content
A purpose of the present utility model is to solve at least the above and/or defect, and provides the advantage that at least will be described later.
This utility model is it is also an object that provide a kind of load ratio bridging switch characteristic Simulation analog, it can simulate the duty of load ratio bridging switch characteristic of different model, to provide corresponding normal waveform and the form of data by tester, with the comparing foundation as later stage authentic testing process, so that its data measured have operability and application.
In order to realize according to these purposes of the present utility model and further advantage, it is provided that a kind of load ratio bridging switch characteristic Simulation analog, including:
The controlling organization of motor drive mechanism function in the dissimilar shunting switch of analogue transformer；
Actuator for the switching of analogue transformer dissimilar shunting switch duty；
The miniature transformer winding of Transformer Winding in analogue transformer shunting switch handoff procedure；
The transition resistance group needed is selected for analogue transformer dissimilar shunting switch transition resistance；
Wherein, described actuator is connected with controlling organization, miniature transformer winding respectively, to receive the control signal of described controlling organization, and then optionally electrically connect with each transition resistance in transition resistance group, and the winding of miniature transformer is optionally increased or decreased, to draw under different shunting switch models in direct current or exchange handoff procedure by transformer on-load tap changer tester, data waveform corresponding thereto.
Preferably, wherein, described controlling organization is a control mainboard, is provided with microprocessor, and in order to four group interfaces being connected with described transformer on-load tap changer tester.
Preferably, wherein, described actuator is relay.
Preferably, wherein, the type of described shunting switch is arranged to single-phase, three-phase.
Preferably, wherein, described transition resistance group includes single resistance of the state of being connected in parallel, double resistance and four resistance.
Preferably, wherein, the running parameter of described miniature transformer winding is arranged to more than maximum operating currenbt 1A, maximum working voltage 200V.
Preferably, wherein, also including showing transformator, type of tap changer, and the running status indicating mechanism of whole handoff procedure sequential, it is connected with described controlling organization.
Preferably, wherein, it is characterised in that described running status indicating mechanism includes multi-group light-emitting diode.
This utility model at least includes following beneficial effect: one, type and the handoff procedure of the most on-load tap changers of transformers being currently in use in electrical network can be simulated by this analog, or coordinate transformer on-load tap changer tester can provide the direct current exchange handoff procedure of different shunting switch model and corresponding Wave data simultaneously, thus provide the normal waveform of the on-load tap changers of transformers of the type and the form of data, as the comparing of authentic testing process.
Its two, analog of the present utility model can be used for inspection and the correction of transformer on-load tap changer tester itself.
Part is embodied by further advantage of the present utility model, target and feature by description below, and part also will be by being understood by the person skilled in the art research of the present utility model and practice.
Accompanying drawing explanation
Fig. 1 is the attachment structure block diagram of load ratio bridging switch characteristic Simulation analog in an embodiment of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
Should be appreciated that used herein such as " have ", other element one or more or the existence of a combination thereof or interpolation do not allotted in " comprising " and " including " term.
Fig. 1 shows the way of realization according to a kind of load ratio bridging switch characteristic Simulation analog of the present utility model, including:
The controlling organization 110 of motor drive mechanism function in the dissimilar shunting switch of analogue transformer, controlling organization has three big major functions: one is for arranging type of tap changer: single-phase, three-phase；Two is to arrange shunting switch transition resistance number: single resistance, double resistance, four resistance；Three is to arrange switching time and export transition sequential corresponding with switchtype, and the controlling organization of analog is equivalent to the motor drive mechanism of sub-connecting switch of transformer, but it can simulate the motor drive mechanism of dissimilar switch；
Actuator 120 for the switching of analogue transformer dissimilar shunting switch duty, its switching being mainly used in transition resistance and the switching that a shunting switch has been increased or decreased of Transformer Winding, and the execution process of actuator is sent corresponding control signal to realize control by controlling organization；
The miniature transformer winding 130 of Transformer Winding in analogue transformer shunting switch handoff procedure, miniature transformer completes the switching of a shunting switch as the Transformer Winding in shunting switch handoff procedure by winding is increased or decreased,；
Select the transition resistance group 140 needed for analogue transformer dissimilar shunting switch transition resistance, described transition resistance group is made up of the power resistor of different resistance sizes, meets the selection needs of different model shunting switch transition resistance；
Wherein, described actuator is connected with controlling organization, miniature transformer winding respectively, to receive the control signal of described controlling organization, and then optionally electrically connect with each transition resistance in transition resistance group, and the winding of miniature transformer is optionally increased or decreased, to draw under different shunting switch models in direct current or exchange handoff procedure by transformer on-load tap changer tester 5, data waveform corresponding thereto.Use this scheme can simulate type and the handoff procedure of the most on-load tap changers of transformers being currently in use in electrical network, or coordinate transformer on-load tap changer tester can provide the direct current exchange handoff procedure of different shunting switch model and corresponding Wave data simultaneously, thus provide the normal waveform of the on-load tap changers of transformers of the type and the form of data, comparing as authentic testing process, have can implementation result good, workable, the precision degree of test data, the benefit that application is strong.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
As shown in Figure 1, in another kind of example, described controlling organization is a control mainboard 110, it is provided with microprocessor 111, it is for sending corresponding control signal as required, and in order to four group interfaces 112 being connected with described transformer on-load tap changer tester, it is for according to using needs to be optionally connected with tester.Using this scheme to match with tester, complete the isoparametric acquisition of data waveform to present day analog model shunting switch, be beneficial to use or the comparison in later stage, having can good, the highly reliable benefit of implementation result.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
In another kind of example, described actuator is relay.Using this scheme to make it upon the reception of control signals, optionally its contact and corresponding transition resistance electrically connected, be simulated with the shunting switch duty to this model, having can implementation result is good, application is strong benefit.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
In another kind of example, the type of described shunting switch is arranged to single-phase, three-phase.Using this scheme to adapt to difference, having can the good benefit of implementation result.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
In another kind of example, described transition resistance group includes single resistance of the state of being connected in parallel, double resistance and four resistance.Using this scheme to simulate the type of the most on-load tap changers of transformers being currently in use in electrical network, having can implementation result benefit good, adaptable.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
In another kind of example, the running parameter of described miniature transformer winding is arranged to more than maximum operating currenbt 1A, maximum working voltage 200V.Using this scheme to limit the running parameter of miniature transformer winding, comply with concrete test needs, having can implementation result be good, the benefit of good stability.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
As it is shown in figure 1, in another kind of example, also include showing transformator, type of tap changer, and the running status indicating mechanism 150 of whole handoff procedure sequential, it is connected with described controlling organization.Using this scheme to grasp the running status that parts each in analog are current, having can implementation result be good, the benefit of good stability.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
In another kind of example, it is characterised in that described running status indicating mechanism includes multi-group light-emitting diode.Use this scheme to be made up of multi-group light-emitting diode, show the type of transformator and demarcation switch, and the sequential of whole handoff procedure by state in light on and off two, have can implementation result good, operating process has certain visual benefit.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
Number of devices described herein and treatment scale are used to simplify explanation of the present utility model.Application, the modifications and variations of load ratio bridging switch characteristic Simulation analog of the present utility model be will be readily apparent to persons skilled in the art.
Although embodiment of the present utility model is disclosed as above, but it is not restricted in description and embodiment listed utilization.It can be applied to various applicable field of the present utility model completely.For those skilled in the art, it is easily achieved other amendment.Therefore, under the general concept limited without departing substantially from claim and equivalency range, this utility model is not limited to specific details and shown here as the legend with description.
Claims (8)
1. a load ratio bridging switch characteristic Simulation analog, it is characterised in that including:
The controlling organization of motor drive mechanism function in the dissimilar shunting switch of analogue transformer；
Actuator for the switching of analogue transformer dissimilar shunting switch duty；
The miniature transformer winding of Transformer Winding in analogue transformer shunting switch handoff procedure；
The transition resistance group needed is selected for analogue transformer dissimilar shunting switch transition resistance；
Wherein, described actuator is connected with controlling organization, miniature transformer winding respectively, to receive the control signal of described controlling organization, and then optionally electrically connect with each transition resistance in transition resistance group, and the winding of miniature transformer is optionally increased or decreased, to draw under different shunting switch models in direct current or exchange handoff procedure by transformer on-load tap changer tester, data waveform corresponding thereto.
2. load ratio bridging switch characteristic Simulation analog as claimed in claim 1, it is characterised in that described controlling organization is a control mainboard, is provided with microprocessor, and in order to four group interfaces being connected with described transformer on-load tap changer tester.
3. load ratio bridging switch characteristic Simulation analog as claimed in claim 1, it is characterised in that described actuator is relay.
4. load ratio bridging switch characteristic Simulation analog as claimed in claim 1, it is characterised in that the type of described shunting switch is arranged to single-phase, three-phase.
5. load ratio bridging switch characteristic Simulation analog as claimed in claim 1, it is characterised in that described transition resistance group includes single resistance of the state of being connected in parallel, double resistance and four resistance.
6. load ratio bridging switch characteristic Simulation analog as claimed in claim 1, it is characterised in that the running parameter of described miniature transformer winding is arranged to more than maximum operating currenbt 1A, maximum working voltage 200V.
7. load ratio bridging switch characteristic Simulation analog as claimed in claim 1, it is characterised in that also including showing transformator, type of tap changer, and the running status indicating mechanism of whole handoff procedure sequential, it is connected with described controlling organization.
8. load ratio bridging switch characteristic Simulation analog as claimed in claim 7, it is characterised in that described running status indicating mechanism includes multi-group light-emitting diode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620273524.2U CN205450210U (en) | 2016-04-05 | 2016-04-05 | On -load tap -changer characteristic simulation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620273524.2U CN205450210U (en) | 2016-04-05 | 2016-04-05 | On -load tap -changer characteristic simulation device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490345A (en) * | 2018-03-26 | 2018-09-04 | 盐城博鸣信息科技有限公司 | A kind of fault simulation diagnostic method of converter power transformer tap switch |
| CN109633425A (en) * | 2018-11-27 | 2019-04-16 | 国网江苏省电力有限公司检修分公司 | A kind of dry-type transformer vacuum on-load operation switch acting characteristic simulator |
| CN115201738A (en) * | 2022-07-07 | 2022-10-18 | 中国测试技术研究院电子研究所 | Calibration system for on-load tap-changer tester of transformer |
-
2016
- 2016-04-05 CN CN201620273524.2U patent/CN205450210U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490345A (en) * | 2018-03-26 | 2018-09-04 | 盐城博鸣信息科技有限公司 | A kind of fault simulation diagnostic method of converter power transformer tap switch |
| CN108490345B (en) * | 2018-03-26 | 2020-07-28 | 盐城博鸣信息科技有限公司 | Fault simulation diagnosis method for tap switch of converter transformer |
| CN109633425A (en) * | 2018-11-27 | 2019-04-16 | 国网江苏省电力有限公司检修分公司 | A kind of dry-type transformer vacuum on-load operation switch acting characteristic simulator |
| CN109633425B (en) * | 2018-11-27 | 2020-12-01 | 国网江苏省电力有限公司检修分公司 | Action characteristic simulation device for vacuum on-load tap-changer of dry-type transformer |
| CN115201738A (en) * | 2022-07-07 | 2022-10-18 | 中国测试技术研究院电子研究所 | Calibration system for on-load tap-changer tester of transformer |
| CN115201738B (en) * | 2022-07-07 | 2023-12-29 | 中国测试技术研究院电子研究所 | Calibration system for on-load tap-changer tester of transformer |
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