CN203180458U - Self-powered ice-melting electric reactor - Google Patents
Self-powered ice-melting electric reactor Download PDFInfo
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- CN203180458U CN203180458U CN 201320187304 CN201320187304U CN203180458U CN 203180458 U CN203180458 U CN 203180458U CN 201320187304 CN201320187304 CN 201320187304 CN 201320187304 U CN201320187304 U CN 201320187304U CN 203180458 U CN203180458 U CN 203180458U
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- ice
- transformer
- melt
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Abstract
The utility model discloses a self-powered ice-melting electric reactor. Three-phase three-column-type iron cores are arranged in a box body. The iron cores are provided with impedance adjusting coils, transformer primary coils and transformer secondary coils from outside in respectively. The impedance adjusting coils are provided with reactor coil taps. The reactor coil taps are connected with a tap of an on-load tap changer correspondingly. Output terminals of the transformer secondary coils are connected with an on-load tap changer operating mechanism. The on-load tap changer is connected with the on-load tap changer operating mechanism through a horizontal connection rod and a vertical connection rod. According to the utility model, by integrating the transformer coils with the impedance adjusting coils together and outputting 380/220V power through a transformer, power is supplied for the on-load tap changer operating mechanism and no external control power source is needed. And by changing a number of windings of the impedance adjusting coil, different values of resistance can be output and circuits of different lengths can be simulated. Therefore, energy of the ice-melting power source is utilized fully and ice-melting working efficiency is improved.
Description
Technical field
The utility model relates to a kind of High-Voltage Electrical Appliances device, particularly a kind of self extinguishing type ice-melt reactor.
Background technology
The Guizhou grid company was in design in 2011 and purchased 10kV and exchange the ice-melt transformer, and this ice-melt transformer can output current 577A, and output voltage is respectively 1kV, 2kV, 3kV, 4kV and 5kV (corresponding gear is respectively 5,4,3,2,1 grades).This ice-melt transformer is mainly used in 10kV and 35kV circuit are carried out the ice-melt operation.There are the following problems to find this ice-melt transformer at the scene in the practical application: the one, and output voltage is low, and (input voltage is 10kV, has only 5kV but output voltage is the highest), but limited the ice-melt length (for example: at the circuit of LGJ-150, but the DC ice-melting maximum length under the 5kV voltage only is 16km) of DC ice-melting greatly; The 2nd, the voltage-regulation gear (has only 5 gears very little, output voltage is respectively 1kV, 2kV, 3kV, 4kV and 5kV), cause a lot of short-term roads can't carry out the ice-melt operation and (as certain transformer station the long circuit of 1 2.348km is arranged, wire type is LGJ-120, when selecting minimum ice-melt voltage to be 1kV, the minimum ice melting current that can access is 530A, considerably beyond the standard security ice melting current 315.1A of this model lead).
Summary of the invention
Technical problem to be solved in the utility model is: a kind of self extinguishing type ice-melt reactor is provided, it can simulate the circuit of different length, guarantee under 10kV voltage, more than all 0km and because the too short transmission line that needs the series connection additional impedance just can carry out ice-melt of line length can carry out the ice-melt operation, to overcome the deficiencies in the prior art.
The self extinguishing type ice-melt reactor that is achieved in that of the present utility model comprises casing, is provided with input side bushing, outlet side bushing, low-tension bushing, on-load voltage regulating switch and on-load voltage regulating switch operating mechanism at casing; In casing, be provided with the iron core of three-phase three-limb, on every column iron core, be respectively equipped with impedance adjustment coil, transformer and transformer secondary output coil from outside to inside; Be provided with the reactor winding tap at the impedance adjustment coil, the corresponding connection with the tap of on-load voltage regulating switch of reactor winding tap; The input of transformer and impedance adjustment coil is drawn from the input side bushing, and the output of impedance adjustment coil is drawn from the outlet side bushing, and the other end of transformer is formed star or triangle at box house, and does not draw; The output of transformer secondary output coil is drawn from A, B, the C three-phase of low-tension bushing, and is connected on the on-load voltage regulating switch operating mechanism, and its other end N from low-tension bushing after star is formed in inside draws mutually; On-load voltage regulating switch is connected with the on-load voltage regulating switch operating mechanism with vertical links by waling stripe.
Described reactor winding tap is more than 27.The corresponding connection with the tap of voltage adjustment of on-load switch of reactor winding tap, different reactor winding taps is used for changing the number of turn of impedance adjustment coil, and its number can increase or reduce adjustment according to actual demands of engineering, and each gear differs 1 Ω.
Top at casing is provided with oil level indicator.Oil level indicator can be observed the oil level situation in the casing, and can be used as the safety valve use.
Owing to adopted technique scheme, compared with prior art, the utility model adopts transformer and impedance adjustment coil is integrated, AC power by transformer output 380/220V, make device from providing the energy as on-load voltage regulating switch operating mechanism and on-load voltage regulating switch, thereby regulate the output impedance of self, do not need external control power supply; And by changing the number of turn of impedance adjustment coil, can export different anti-resistances, can simulate the circuit of different length, taken full advantage of the energy of ice-melt power supply, expanded the length of DC ice-melting, improved the operating efficiency of ice-melt, solved under 10kV voltage, the transmission line that the additional impedance of need connecting more than all 0km and because line length is too short just can carry out ice-melt can carry out the practical problem that ice-melt is operated.The utility model is simple for structure, and is easy to make, arranges compactness, and result of use is good.
Description of drawings
Accompanying drawing 1 is internal structure schematic diagram of the present utility model;
Accompanying drawing 2 is external structure schematic diagram of the present utility model;
Accompanying drawing 3 is the vertical view of accompanying drawing 2;
Accompanying drawing 4 is the structural representation of iron core of the present utility model.
Embodiment
Embodiment of the present utility model: the internal structure of self extinguishing type ice-melt reactor as shown in Figure 1, comprise casing 1, be provided with input side bushing 8, outlet side bushing 9, low-tension bushing 10, on-load voltage regulating switch 12 and on-load voltage regulating switch operating mechanism 13 at casing 1; In casing 1, be provided with the iron core 2 of three-phase three-limb, on every column iron core 2, be respectively equipped with impedance adjustment coil 7, transformer 5 and transformer secondary output coil 6 from outside to inside; Be provided with 27 reactor winding taps 4 at impedance adjustment coil 7, the corresponding connection with the tap of on-load voltage regulating switch 12 of reactor winding tap 4; The input of transformer 5 and impedance adjustment coil 7 is drawn from input side bushing 8, the output of impedance adjustment coil 7 is drawn from outlet side bushing 9, the other end of transformer 5 is formed star or triangle in casing 1 inside, and does not draw; The output of transformer secondary output coil 6 is drawn from A, B, the C three-phase of low-tension bushing 10, and is connected on the on-load voltage regulating switch operating mechanism 13, and its other end is drawn mutually from the N of low-tension bushing 10 after star is formed in inside; On-load voltage regulating switch 12 is connected with on-load voltage regulating switch operating mechanism 13 with vertical links 15 by waling stripe 14; Be provided with oil level indicator 11 at the top of casing 1.
In use; need obtain three-phase alternating-current supply from the 10kV primary cut-out output of a band defencive function; the 10kV three-phase alternating-current supply is received on the binding post of input side bushing 8 with conductor; the binding post of outlet side bushing 9 is connected with three of DC ice-melting by conductor, and the DC ice-melting end carries out short circuit by the three-phase shortcircuit connecting line and connects.Before energising, manually on-load voltage regulating switch 12 is operated appropriate gear (concrete gear need calculate the back according to concrete DC ice-melting parameter and determine) earlier, the energising back switches to the gear of appointment by on-load voltage regulating switch operating mechanism 13 electric operating on-load voltage regulating switchs 12, thereby obtains desirable ice melting current and ice-melt effect.
Specify: the utility model " guarantees under 10kV voltage; all 0km are above and can carry out the ice-melt operation because of the too short transmission line that needs the series connection additional impedance just can carry out ice-melt of line length ", can be with following concrete example and existing ice-melt transformer to recently describing:
But the maximum length of 1 DC ice-melting:
Certain model is the circuit of LGJ-150, its standard ice melting current is 368.5A, if with existing 10kV ice-melt transformer, then but the maximum length of DC ice-melting is that (ice melting current that obtains under maximum output voltage 5kV is 382.02A to 16km, if circuit is long again, then ice melting current diminishes, and can't carry out the ice-melt operation to circuit); If change device of the present utility model into, but then the maximum length of its maximum DC ice-melting can expand to 31km (output impedance of device of the present utility model is adjusted to 2 Ω and connects with circuit, and obtaining ice melting current is 365.42A).Certainly, line length surpasses 31km does not then need additional reactance to carry out ice-melt (the LGJ-150 circuit can not need additional reactance to carry out ice-melt to circuit under the 10kV voltage, above then carrying out the ice-melt operation because of the system capacity deficiency after the 35km) between 32-35km to circuit afterwards.
But the minimum length of 2 DC ice-melting:
Certain model is the circuit of LGJ-150, its standard ice melting current is 368.5A, if with existing 10kV ice-melt transformer, then but the minimum length of DC ice-melting is that (ice melting current that obtains under minimum output voltage is 371.10A to 3.5km, if circuit is short 0.5km again, then ice melting current become greater to 432.95A, because the safety that electric current may jeopardize circuit too greatly can't be carried out the ice-melt operation to circuit); If change device of the present utility model into, then the maximum length of its I DC ice-melting can expand to 0km (output impedance of device of the present utility model is adjusted to 15 Ω connects with circuit, obtaining ice melting current is 384.91A).
By above-mentioned result of calculation contrast as can be known: for the lead of using the LGJ-150 model for example, the ice-melt scope of existing ice-melt transformer is that 3.5-16km is (because it can not realize the voltage smooth adjustment, wherein the circuit of some moderate-length also can't carry out the ice-melt operation, be LGJ-150 as certain model, length is the circuit of 11.5km, if output voltage is selected 4kV, the ice melting current that then obtains is 451.78A, considerably beyond standard ice melting current 368.5A; If output voltage is selected 3kV, the ice melting current that then obtains is 338.83A, and this electric current is too little can't to carry out ice-melt behaviour to circuit); And ice-melt scope of the present utility model is 0-31km, can both to carry out ice-melt operation safely (be that the circuit of 11.5km is example with above-mentioned length to the circuit of random length in this scope, can select the resistance value of 10 Ω to connect with circuit, the ice melting current that obtains is 382.36A, can carry out the ice-melt operation safely).
Claims (3)
1. self extinguishing type ice-melt reactor, comprise casing (1), it is characterized in that: be provided with input side bushing (8), outlet side bushing (9), low-tension bushing (10), on-load voltage regulating switch (12) and on-load voltage regulating switch operating mechanism (13) at casing (1); In casing (1), be provided with the iron core (2) of three-phase three-limb, on every column iron core (2), be respectively equipped with impedance adjustment coil (7), transformer (5) and transformer secondary output coil (6) from outside to inside; Be provided with reactor winding tap (4) at impedance adjustment coil (7), reactor winding tap (4) and the corresponding connection of the tap of on-load voltage regulating switch (12); The input of transformer (5) and impedance adjustment coil (7) is drawn from input side bushing (8), the output of impedance adjustment coil (7) is drawn from outlet side bushing (9), the other end of transformer (5) is formed star or triangle in casing (1) inside, and does not draw; The output of transformer secondary output coil (6) is drawn from A, B, the C three-phase of low-tension bushing (10), and is connected on the on-load voltage regulating switch operating mechanism (13), and its other end is drawn mutually from the N of low-tension bushing (10) after star is formed in inside; On-load voltage regulating switch (12) is connected with on-load voltage regulating switch operating mechanism (13) with vertical links (15) by waling stripe (14).
2. self extinguishing type ice-melt reactor according to claim 1, it is characterized in that: described reactor winding tap (4) is more than 27.
3. self extinguishing type ice-melt reactor according to claim 1 is characterized in that: be provided with oil level indicator (11) at the top of casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320187304 CN203180458U (en) | 2013-04-15 | 2013-04-15 | Self-powered ice-melting electric reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320187304 CN203180458U (en) | 2013-04-15 | 2013-04-15 | Self-powered ice-melting electric reactor |
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| Publication Number | Publication Date |
|---|---|
| CN203180458U true CN203180458U (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320187304 Expired - Fee Related CN203180458U (en) | 2013-04-15 | 2013-04-15 | Self-powered ice-melting electric reactor |
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| CN (1) | CN203180458U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166161A (en) * | 2013-04-15 | 2013-06-19 | 都匀供电局 | Method and device for adjusting output impedance of ice melting reactor |
| CN105305835A (en) * | 2014-05-27 | 2016-02-03 | 江苏省电力公司南京供电公司 | Multistage on-load voltage regulation anti-icing transformer |
-
2013
- 2013-04-15 CN CN 201320187304 patent/CN203180458U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166161A (en) * | 2013-04-15 | 2013-06-19 | 都匀供电局 | Method and device for adjusting output impedance of ice melting reactor |
| CN105305835A (en) * | 2014-05-27 | 2016-02-03 | 江苏省电力公司南京供电公司 | Multistage on-load voltage regulation anti-icing transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20140415 |