CN203929979U - A kind of 24 kilovolts of C-GIS ring main unit insulation test devices - Google Patents
A kind of 24 kilovolts of C-GIS ring main unit insulation test devices Download PDFInfo
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- CN203929979U CN203929979U CN201420310335.9U CN201420310335U CN203929979U CN 203929979 U CN203929979 U CN 203929979U CN 201420310335 U CN201420310335 U CN 201420310335U CN 203929979 U CN203929979 U CN 203929979U
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- stepup transformer
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Abstract
The utility model relates to a kind of 24 kilovolts of C-GIS ring main unit insulation test devices, belongs to electromechanical equipment field.Comprise 24 kilovolts of C-GIS net cabinets, it is characterized in that: comprise control desk, pressure regulator, stepup transformer, cable testing terminal, described pressure regulator carries out signal transmission with control desk by data line respectively with stepup transformer and is connected; Described pressure regulator, stepup transformer and cable testing terminal are connected successively by wire; Described cable testing terminal is connected by joint sleeve with 24 kilovolts of C-GIS net cabinets.Compared to existing technology, the utility model is safe, convenient, automatically control predeterminated voltage, automatic regulating voltage, locking non-zero voltage start, automatically control test duration, automatic alarm, and what can realize 24 kilovolts of C-GIS ring main units is the process of the test that 1min, power-frequency voltage are 65/79kV in the duration simultaneously.
Description
Technical field
The utility model belongs to electromechanical equipment field, relates in particular to a kind of safe and reliable, insulation test device with automatic control function, and this equipment can be realized smoothly 24 kilovolts of C-GIS ring main units is carried out to power-frequency voltage test.
Background technology
The distribution line of 20kV electric pressure has the application of different range in part industrial park, Shanghai rail transit field and other areas such as China Jiangsu, Zhejiang, therefore 24 kilovolts of C-GIS ring main units are purchased gradually in State Grid Corporation of China.Due to old standard GB/T11022-1999 " common specifications for high-voltage switchgear and controlgear standards ", its 1min power-frequency voltage testing standard that has specified the equipment of 24kV is 50/60kV, and the rated insulation level of this equipment is to carry out national newest standards GB/T11022-2011 " common specifications for high-voltage switchgear and controlgear standards " at present, its 1min power-frequency voltage testing standard that has specified the equipment of 24kV is 65/79kV, because the general switchgear producer that manufactures adopts 24 kilovolts of insulated cables, after elbow type cable plug head and outlet casing tube are connected, equipment is carried out to power frequency withstand test (being Insulation Test), be that 50/60kV can realize completely in original 1min power-frequency voltage testing standard, but adopting at present this insulation test device is will produce disruptive discharge phenomenon in test junction while often occurring voltage liter less than assigned voltage, cannot complete 24 kilovolts of C-GIS ring main unit power frequency withstand test processes, and the increasing apparatus using does not have automatic control function, can not automatically control predeterminated voltage, automatic regulating voltage, locking non-zero voltage starts, automatically control the test duration, the functions such as automatic alarm, be easy to cause misoperation, the phenomenon that generation equipment damages because bearing superpotential.
So this area is needed a kind of automation function of design badly than more comprehensively, and can reach smoothly 24 kilovolts of C-GIS ring main units and carry out the device of power-frequency voltage test effect.
Summary of the invention
Technical problem to be solved in the utility model: for shortcomings and deficiencies of the prior art, the utility model provide a kind of safe, convenient, automatically control predeterminated voltage, automatic regulating voltage, locking non-zero voltage and start, automatically control test duration, automatic alarm, what can realize 24 kilovolts of C-GIS ring main units simultaneously is 24 kilovolts of C-GIS ring main unit insulation test devices of 1min, the power-frequency voltage process of the test that is 65/79kV in the duration.
The utility model is design like this: a kind of 24 kilovolts of C-GIS ring main unit insulation test devices, comprise 24 kilovolts of C-GIS net cabinets, it is characterized in that: comprise control desk, pressure regulator, stepup transformer, cable testing terminal, described pressure regulator carries out signal transmission with control desk by data line respectively with stepup transformer and is connected; Described pressure regulator, stepup transformer and cable testing terminal are connected successively by wire; Described cable testing terminal is connected by joint sleeve with 24 kilovolts of C-GIS net cabinets;
Described cable testing terminal comprises link, high pressure full skirt, all insulation main body, high-tension electricity leading-in end, and described link, high pressure full skirt, all insulation main body and high pressure leading-in end are fixedly connected sequentially.
The work output area of described pressure regulator is 0～400V.
The working range of described stepup transformer is 0～100kV.
Described pressure regulator and stepup transformer are arranged on the same area and isolate with control desk.
By above-mentioned design proposal, the utility model can bring following beneficial effect:
The substandard 24 kilovolts of effects that C-GIS ring main unit carries out power-frequency voltage test of new nation are really reached.The cable testing terminal that neoteric a kind of 24 kilovolts of C-GIS ring main units adopt with insulation test device has been cancelled original elbow type cable plug head and the connecting link of 24 kilovolts of insulated cables, and by cable testing terminal be made into through-type, all insulation, with the prefabricated silicone rubber for cable plugging member of creepage full skirt, what realized 24 kilovolts of C-GIS ring main units is the process of the test that 1min, power-frequency voltage are 65/79kV in the duration.
The utility model is provided with control desk, has realized automatic control and the predeterminated voltage function of insulation test device; The cooperation of pressure regulator and stepup transformer has realized the Automatic Regulation Control function of insulation test device; The overall co-ordination of control desk, pressure regulator and stepup transformer has realized insulation test device and has automatically controlled the function such as test duration, automatic alarm.
Control desk is arranged on operation room, with stepup transformer isolation, ensures the safety of staff in the time carrying out equipment power frequency withstand voltage test; Pressure regulator and the stepup transformer with Automatic Regulation Control function are arranged on the same area, convenient connection each other.
Brief description of the drawings
Below in conjunction with brief description of the drawings and embodiment, the utility model is described in further detail.
Fig. 1 is the structured flowchart of a kind of 24 kilovolts of C-GIS ring main units of the utility model insulation test device.
Fig. 2 is the structural representation of the cable testing terminal of a kind of 24 kilovolts of C-GIS ring main units of the utility model insulation test device.
In figure, 1 is that link, 2 is that high pressure full skirt, 3 is that all insulation main body, 4 is high-tension electricity leading-in end.
Embodiment
A kind of 24 kilovolts of C-GIS ring main unit insulation test devices as shown in the figure, comprise 24 kilovolts of C-GIS net cabinets, it is characterized in that: comprise control desk, pressure regulator, stepup transformer, cable testing terminal, described pressure regulator carries out signal transmission with control desk by data line respectively with stepup transformer and is connected; Described pressure regulator, stepup transformer and cable testing terminal are connected successively by wire; Described cable testing terminal is connected by joint sleeve with 24 kilovolts of C-GIS net cabinets;
Described cable testing terminal comprises link 1, high pressure full skirt 2, all insulation main body 3, high-tension electricity leading-in end 4, and described link 1, high pressure full skirt 2, all insulation main body 3 and high pressure leading-in end 4 are fixedly connected sequentially.
The work output area of described pressure regulator is 0～400V.
The working range of described stepup transformer is 0～100kV.
Described pressure regulator and stepup transformer are arranged on the same area, isolate with control desk.
Wherein, control desk is the control desk with automatic control function, pressure regulator is the pressure regulator with Automatic Regulation Control function, stepup transformer be have can 0-100kV working range stepup transformer, cable testing terminal is to have the cable testing terminal that can reach 24 kilovolts of C-GIS ring main units and carry out power-frequency voltage test effect.
The control desk with automatic control function is arranged on to operation room, with stepup transformer isolation, ensures the safety of staff in the time carrying out equipment power frequency withstand voltage test; Pressure regulator and the stepup transformer with Automatic Regulation Control function are arranged on to the same area, convenient connection each other; By have can 0～100kV working range stepup transformer be arranged near of the tested equipment of distance, be convenient to that Voltage-output wire is connected with cable testing terminal and arrangement terminal connection; Can reach the cable testing terminal that 24 kilovolts of C-GIS ring main units carry out power-frequency voltage test effect and be connected with the outlet casing tube of tested equipment having.
The operational process of all parts is as follows:
One, the control desk of automatic control function is controlled automatically to the pressure regulator with Automatic Regulation Control function:
A, from the initial startup pressure regulator of " 0 " voltage, locking non-zero voltage start;
B, automatically export the variation voltage within the scope of 0～400V gradually;
C, automatically stop while reaching predefined output voltage;
D, beginning timing and timing;
E, automatic output alarm after time of arrival;
F, automatically return to " 0 " voltage from predeterminated voltage, and prepare for next circulation.
Two, the pressure regulator of Automatic Regulation Control function carries out Voltage-output control to stepup transformer:
A, from the initial startup stepup transformer of " 0 " voltage;
B, the variation voltage of synchronizeing with the control signal of carrying out control console within the scope of automatic output 0～400V.
Three, the outlet line of the stepup transformer of 0～100kV working range carries out Insulation Test and its secondary output signal is sent to the control desk with automatic control function 24 kilovolts of C～GIS ring main units, control desk has the pressure regulator of Automatic Regulation Control function according to the secondary output signal control of feedback, while making it reach predefined output voltage, automatically stop.
Four, can reach that 24 kilovolts of C～GIS ring main units carry out the cable testing terminal of power-frequency voltage test effect and the appearance sleeve pipe of tested equipment is connected, transmission is by power frequency 0～100kV high voltage of the stepup transformer output of 0～100kV working range, 24 kilovolts of C～GIS ring main units are carried out to Insulation Test, reach 1min, 65/79kV power-frequency voltage resistance test.
A kind of 24 kilovolts of C～GIS ring main units of the present utility model are as follows with the innovation of insulation test device:
1, the substandard 24 kilovolts of effects that C～GIS ring main unit carries out power-frequency voltage test of new nation have really been reached; The cable testing terminal that neoteric a kind of 24 kilovolts of C～GIS ring main units adopt with insulation test device has been cancelled original elbow type cable plug head and the connecting link of 24 kilovolts of insulated cables, and by cable testing terminal be made into through-type, all insulation, with the prefabricated silicone rubber for cable plugging member of creepage full skirt, what realized 24 kilovolts of C～GIS ring main units is the process of the test that 1min, power-frequency voltage are 65/79kV in the duration.
2, realize the intelligent functions that automatic blocking non-zero voltage starts; The control desk locking non-zero voltage of automatic control function starts, when pressure regulator be not during in original " 0 " position in other words control desk will automatically not control pressure regulator and return to " 0 " voltage from predeterminated voltage, cannot again start the output of control desk control signal, cannot make pressure regulator automatic Regulation.
3, realize the intelligent functions of automatic regulating voltage; The pressure regulator with Automatic Regulation Control function carrys out the signal of control console by reception, the variation voltage within the scope of synchronous output automatically 0～400V.
4, realize the intelligent functions of automatically controlling predeterminated voltage; When the secondary voltage signal that receives stepup transformer output when the control desk of automatic control function reaches preset value, after the output voltage locking of pressure regulator, automatically stop pressure regulation and boost.
5, realize and automatically control the intelligent functions such as test duration, automatic alarm; After the output voltage of pressure regulator is locked, the output power-frequency voltage of the stepup transformer of 0～100kV working range is locked; Control desk starts self-clocking and timing function, when arriving automatic output alarm after default timing, informs testing crew, and meanwhile control desk can automatically be controlled pressure regulator and return to " 0 " voltage from predeterminated voltage.
Claims (4)
1. one kind 24 kilovolts C-GIS ring main unit insulation test devices, comprise 24 kilovolts of C-GIS net cabinets, it is characterized in that: comprise control desk, pressure regulator, stepup transformer, cable testing terminal, described pressure regulator carries out signal transmission with control desk by data line respectively with stepup transformer and is connected; Described pressure regulator, stepup transformer and cable testing terminal are connected successively by wire; Described cable testing terminal is connected by joint sleeve with 24 kilovolts of C-GIS net cabinets;
Described cable testing terminal comprises link (1), high pressure full skirt (2), all insulation main body (3), high-tension electricity leading-in end (4), and described link (1), high pressure full skirt (2), all insulation main body (3) and high pressure leading-in end (4) are fixedly connected sequentially.
2. a kind of 24 kilovolts of C-GIS ring main unit insulation test devices according to claim 1, is characterized in that: the work output area of described pressure regulator is 0～400V.
3. a kind of 24 kilovolts of C-GIS ring main unit insulation test devices according to claim 1, is characterized in that: the working range of described stepup transformer is 0～100kV.
4. a kind of 24 kilovolts of C-GIS ring main unit insulation test devices according to claim 1, is characterized in that: described pressure regulator and stepup transformer are arranged on the same area and isolate with control desk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420310335.9U CN203929979U (en) | 2014-06-11 | 2014-06-11 | A kind of 24 kilovolts of C-GIS ring main unit insulation test devices |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420310335.9U CN203929979U (en) | 2014-06-11 | 2014-06-11 | A kind of 24 kilovolts of C-GIS ring main unit insulation test devices |
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| CN203929979U true CN203929979U (en) | 2014-11-05 |
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| CN201420310335.9U Active CN203929979U (en) | 2014-06-11 | 2014-06-11 | A kind of 24 kilovolts of C-GIS ring main unit insulation test devices |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526377A (en) * | 2016-11-03 | 2017-03-22 | 珠海格力电器股份有限公司 | Fault arc generating system |
| CN109188031A (en) * | 2018-09-25 | 2019-01-11 | 山东恒和电气有限公司 | A kind of 10KV ring network cabinet industrial frequency withstand voltage joint test device and its manufacturing method |
-
2014
- 2014-06-11 CN CN201420310335.9U patent/CN203929979U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526377A (en) * | 2016-11-03 | 2017-03-22 | 珠海格力电器股份有限公司 | Fault arc generating system |
| CN109188031A (en) * | 2018-09-25 | 2019-01-11 | 山东恒和电气有限公司 | A kind of 10KV ring network cabinet industrial frequency withstand voltage joint test device and its manufacturing method |
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