CN103558530A - Secondary adjustable compensating inductor for PT voltage withstand induction for GIS - Google Patents
Secondary adjustable compensating inductor for PT voltage withstand induction for GIS Download PDFInfo
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- CN103558530A CN103558530A CN201310584008.2A CN201310584008A CN103558530A CN 103558530 A CN103558530 A CN 103558530A CN 201310584008 A CN201310584008 A CN 201310584008A CN 103558530 A CN103558530 A CN 103558530A
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Abstract
The invention belongs to the technical field of high-voltage tests in electric power systems, and particularly relates to a secondary adjustable compensating inductor for PT voltage withstand induction for a GIS. The inductor is an adjustable air core inductor, and according to the adjustable air core inductor, a PT secondary coil is used for being connected with the compensating inductor in parallel to compensate current of a compensating capacitor according to the size range of stray capacitance when a PT for the GIS carries out secondary induction voltage withstanding. A hollow insulation tube is arranged in an inductor outer shell, and a coil is wound on the insulation tube. According to the secondary adjustable compensating inductor, the mode that a basic inductor combines with a small inductor tap is adopted. Meanwhile, the compensating inductor is designed into a horizontal type structure so that the compensating inductor can have more practicability and convenience when a PT induction voltage withstand test for the GIS is carried out. The field test proves that the secondary adjustable compensating inductor is simple and reasonable in structure, obvious in practical effect and favorable for being popularized and applied.
Description
Technical field
The invention belongs to electric system High-Voltage Experimentation Technology field, relate in particular to a kind of GIS and respond to withstand voltage secondary adjustable compensation inductance with PT, the magnitude range of particularly responding to stray capacitance when withstand voltage according to GIS for bis-times with PT, designs a kind of adjustable air core inductor at PT secondary coil shunt compensation inductance compensation capacitance current.
Background technology
GIS cannot carry out induced over voltage withstand test after installing with PT is on-the-spot conventionally.If once carrying out together withstand voltagely due to GIS electric voltage frequency lower power frequency that approaches conventionally when withstand voltage in company with GIS, ferromagnetic saturated for fear of PT, voltage cannot be added to the specified interchange withstand voltage of PT; If utilize frequency tripling device to pressurize at secondary, once induce high pressure examination dielectric strength, there will be the excessive problem of pressurization secondary coil electric current, cannot apply voltage to specified interchange withstand voltage.
Summary of the invention
For the deficiencies in the prior art part, the invention provides a kind of GIS and respond to withstand voltage secondary adjustable compensation inductance with PT, object is to utilize to carry out building-out capacitor electric current at PT secondary coil shunt compensation inductance, thereby completes smoothly the induced over voltage withstand test of PT.
In order to realize the object of the invention, the present invention is achieved through the following technical solutions:
With PT, responding to a withstand voltage secondary adjustable compensation inductance, is in inductance shell, to be provided with hollow insulating cylinder, is wound with coil on insulating cylinder.
Described coil comprises: the tap of inductance top, basic inductance tap, the tap of small inductor tap-small inductor, the tap of inductance end.
Described tap can be connected any two, respectively: the tap of inductance top and basic inductance tap series connection, the tap of inductance top and small inductor tap series connection, the tap of inductance top and small inductor tap series connection, the tap of inductance top and small inductor tap series connection series connection, the tap of inductance top and small inductor tap series connection, the tap of inductance top and inductance end tap series connection, basis inductance tap and small inductor tap series connection, basis inductance tap and small inductor tap series connection, basis inductance tap and small inductor tap series connection, basis inductance tap and small inductor tap series connection, basis inductance tap and inductance end tap series connection.
Described inductance top tap and basic inductance tap are basic inductance, and the tap of inductance top and the tap of inductance end are total inductance, and basic inductance size is half of total inductance size.
Described insulating cylinder is horizontal type structure.
Described coil is enameled wire.
The invention provides a kind of GIS and respond to withstand voltage secondary adjustable compensation inductance with PT, respond to the scope of second compensation inductance when withstand voltage according to PT for bis-times, it is basic inductance associating small inductor tap mode that this secondary adjustable compensation inductance is adjusted sensing mode.Meanwhile, compensating inductance is designed to horizontal type structure, makes it at GIS, have more practicality and convenience during with PT induced over voltage withstand test.Through site test, prove, this invention is simple for structure rationally, and practical function is obvious, is beneficial to and applies.
The present invention's advantage of the present invention and beneficial effect are:
1, second compensation controllable impedance does not have iron core, does not have the problem of core sataration.
2, second compensation adjustable inductor utilizes the enameled wire of reasonable section to be the most wound around, and just meets maximum through-flow requirement, uses enameled wire minimum, saves material.
3, second compensation controllable impedance size is designed to the most reasonably inductance magnitude range, can meet various on-the-spot GIS and respond to withstand voltage use with PT, there is no redundance, saves material.
4, second compensation controllable impedance is adjusted and is felt the mode that adopts basic inductance to add small inductor tap, and the one, make inductance compensation best, the 2nd, avoid arranging more tap, be conducive to processing and the manufacture of air core inductor.
5, second compensation controllable impedance is designed to horizontal type structure, and the one, wiring while being conducive to site test, the 2nd, be conducive to the stable of self structure, avoid Fall injuries phenomenon.
Below in conjunction with the drawings and specific embodiments, the present invention is explained in detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: inductance shell 1, insulating cylinder 2, coil 3, inductance top tap 4, basic inductance tap 5, small inductor tap 6-9, inductance end tap 10.
Embodiment
The present invention is that a kind of GIS responds to withstand voltage secondary adjustable compensation inductance with PT, is that a kind of metal closed combined electrical appliance (GIS) is responded to withstand voltage secondary adjustable compensation inductance with electromagnetic potential transformer (PT) specifically.To calculate and in-site measurement according to bis-induceds over voltage withstand test of PT are theoretical, obtain the magnitude range of second compensation inductance, according to compensating inductance scope and size, the controllable impedance tap of optimizing is the most set, being conducive to the on-the-spot secondary induction of PT withstand voltage is the adjusting of inductance compensation, in structure, be designed to horizontal type structure simultaneously, be conducive to test connection and structural stability, guarantee completing smoothly of PT induced over voltage withstand test.
Secondary adjustable compensation inductance of the present invention is a kind of air core inductor, according to GIS, with PT, respond to the scope of stray capacitance size when withstand voltage for bis-times, design a kind of controllable impedance at second compensation capacitance current, it is basic inductance associating small inductor tap mode that this secondary adjustable compensation inductance is adjusted sensing mode, the adjustment of inductance tap that has best inductance compensation scope and optimize the most, has more practicality and convenience.
Coil of the present invention adopts the suitable enameled wire in cross section, through-current capability just meets test demand, controllable impedance tap adopts basic tap to add the pattern of little tap, and tap gear meets Different field test demand completely, and the adjustment of gear during very convenient site test.
The present invention is specifically provided with the insulating cylinder 2 of horizontal type structure in inductance shell 1, is wound with coil 3 on insulating cylinder 2.Described coil 3 is enameled wire, and coil 3 comprises: inductance top tap 4, basic inductance tap 5, small inductor tap 6-small inductor tap 9, inductance end tap 10.For the ease of wiring, air core inductor is in accumbency state, and the wiring and the self structure that are conducive to air core inductor are stable.
As shown in Figure 1, Fig. 1 is structural representation of the present invention.When GIS responds to for bis-times when withstand voltage with PT, GIS of the present invention can be responded to withstand voltage secondary adjustable compensation inductance in parallel on PT secondary coil with PT.
Second compensation adjustable compensation inductance of the present invention has four parts and forms, and compensating inductance shell 1 Main Function is fixing and supporting role; Compensating inductance insulating cylinder 2 Main Functions are insulation; Described coil 3 is enameled wire, as coil-winding material.In testing ground, can, by any two taps series connection, obtain the compensating inductance of different sizes, for building-out capacitor electric current.It is available that compensating inductance has 10 grades of inductance, respectively: inductance top tap 4 and basic inductance tap 5 series connection, inductance top tap 4 and small inductor tap 6 series connection, inductance top tap 4 and small inductor tap 7 series connection, inductance top tap 4 and small inductor tap 8 series connection series connection, inductance top tap 4 and small inductor tap 9 series connection, inductance top tap 4 and inductance end tap 10 series connection, basis inductance tap 5 and small inductor tap 6 series connection, basis inductance tap 5 and small inductor tap 7 series connection, basis inductance tap 5 and small inductor tap 8 series connection, basis inductance tap 5 and small inductor tap 9 series connection, basis inductance tap 5 and inductance end tap 10 series connection.Described inductance top tap 4 and basic inductance tap 5 are basic inductance, and inductance top tap 4 and inductance end tap 10 are total inductance, and basic inductance size is half of total inductance size.
When GIS uses PT induced over voltage withstand test, the tune sense pattern by basic inductance associating small inductor, can meet site test demand completely.
Claims (6)
1. GIS responds to a withstand voltage secondary adjustable compensation inductance with PT, it is characterized in that: in inductance shell (1), be provided with hollow insulating cylinder (2), be wound with coil (3) on insulating cylinder (2).
2. a kind of GIS according to claim 1 responds to withstand voltage secondary adjustable compensation inductance with PT, it is characterized in that: described coil (3) comprising: inductance top tap (4), basis inductance tap (5), small inductor tap (6)-small inductor tap (9), inductance end tap (10).
3. a kind of GIS according to claim 1 responds to withstand voltage secondary adjustable compensation inductance with PT, it is characterized in that: described tap can be connected any two, respectively: inductance top tap (4) and basic inductance tap (5) series connection, inductance top tap (4) and small inductor tap (6) series connection, inductance top tap (4) and small inductor tap (7) series connection, inductance top tap (4) and small inductor tap (8) series connection series connection, inductance top tap (4) and small inductor tap (9) series connection, inductance top tap (4) and inductance end tap (10) series connection, basis inductance tap (5) and small inductor tap (6) series connection, basis inductance tap (5) and small inductor tap (7) series connection, basis inductance tap (5) and small inductor tap (8) series connection, basis inductance tap (5) and small inductor tap (9) series connection, basis inductance tap (5) and inductance end tap (10) series connection.
4. a kind of GIS according to claim 1 responds to withstand voltage secondary adjustable compensation inductance with PT, it is characterized in that: described inductance top tap (4) and basic inductance tap (5) are basic inductance, inductance top tap (4) and inductance end tap (10) are total inductance, and basic inductance size is half of total inductance size.
5. a kind of GIS according to claim 1 responds to withstand voltage secondary adjustable compensation inductance with PT, it is characterized in that: described insulating cylinder (2) is horizontal type structure.
6. a kind of GIS according to claim 1 responds to withstand voltage secondary adjustable compensation inductance with PT, it is characterized in that: described coil (3) is enameled wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310584008.2A CN103558530A (en) | 2013-11-20 | 2013-11-20 | Secondary adjustable compensating inductor for PT voltage withstand induction for GIS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310584008.2A CN103558530A (en) | 2013-11-20 | 2013-11-20 | Secondary adjustable compensating inductor for PT voltage withstand induction for GIS |
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| Publication Number | Publication Date |
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| CN103558530A true CN103558530A (en) | 2014-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310584008.2A Pending CN103558530A (en) | 2013-11-20 | 2013-11-20 | Secondary adjustable compensating inductor for PT voltage withstand induction for GIS |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5667913A (en) * | 1979-11-08 | 1981-06-08 | Hitachi Ltd | Autotransformer system |
| CN201315233Y (en) * | 2008-10-17 | 2009-09-23 | 芜湖国睿兆伏电子股份有限公司 | Adjustable inductor for pulse forming network |
| WO2010045959A1 (en) * | 2008-10-20 | 2010-04-29 | Siemens Aktiengesellschaft | Apparatus and method for reactive power compensation of a test transformer |
| CN202093924U (en) * | 2011-05-12 | 2011-12-28 | 辽宁省电力有限公司沈阳供电公司 | Adjustable compensating reactor |
| CN202373436U (en) * | 2011-12-01 | 2012-08-08 | 章志桐 | Voltage matching compensator for electric network |
| CN202495328U (en) * | 2012-03-20 | 2012-10-17 | 辽宁省电力有限公司沈阳供电公司 | Low-voltage adjustable compensating inductor |
| CN103354158A (en) * | 2013-07-17 | 2013-10-16 | 北京电力设备总厂 | Open type air reactor with adjustable inductance |
-
2013
- 2013-11-20 CN CN201310584008.2A patent/CN103558530A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5667913A (en) * | 1979-11-08 | 1981-06-08 | Hitachi Ltd | Autotransformer system |
| CN201315233Y (en) * | 2008-10-17 | 2009-09-23 | 芜湖国睿兆伏电子股份有限公司 | Adjustable inductor for pulse forming network |
| WO2010045959A1 (en) * | 2008-10-20 | 2010-04-29 | Siemens Aktiengesellschaft | Apparatus and method for reactive power compensation of a test transformer |
| CN202093924U (en) * | 2011-05-12 | 2011-12-28 | 辽宁省电力有限公司沈阳供电公司 | Adjustable compensating reactor |
| CN202373436U (en) * | 2011-12-01 | 2012-08-08 | 章志桐 | Voltage matching compensator for electric network |
| CN202495328U (en) * | 2012-03-20 | 2012-10-17 | 辽宁省电力有限公司沈阳供电公司 | Low-voltage adjustable compensating inductor |
| CN103354158A (en) * | 2013-07-17 | 2013-10-16 | 北京电力设备总厂 | Open type air reactor with adjustable inductance |
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Application publication date: 20140205 |
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