CN106159901B - A kind of phase-lacking protective device of combined transformer - Google Patents
A kind of phase-lacking protective device of combined transformer Download PDFInfo
- Publication number
- CN106159901B CN106159901B CN201610696793.4A CN201610696793A CN106159901B CN 106159901 B CN106159901 B CN 106159901B CN 201610696793 A CN201610696793 A CN 201610696793A CN 106159901 B CN106159901 B CN 106159901B
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- China
- Prior art keywords
- phase
- line
- transformer
- lines
- contactor
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
Abstract
The invention discloses a kind of phase-lacking protective devices of combined transformer; including transformer, left end line column, open phase protector, connecting line and B phase lines; phase line is installed below the transformer; and zero curve is installed on the right side of phase line; C phase lines on the right side of the B phase lines are installed, and connecting line is installed on the left of C phase lines, the connecting line surface is equipped with emergency light; contactor above the connecting line is installed, and inductor is installed above contactor.The present invention is equipped with emergency light by connecting line surface, and contactor is equipped with above connecting line, and open phase protector has connect a emergency light per phase with zero curve; once bright lamp is to alarm; electrician is facilitated to observe, two 380V contactors are connected in AB, BC phase line, and phase shortage has a contactor not just to be attracted; so as to which inductor senses the working condition of contactor; and signal receiver is transferred to, realization automatically powers off operation, and intelligence degree is high; power-off is convenient, meets the power demand of people.
Description
Technical field
The present invention relates to it is possible to prevente effectively from the combined type variable-pressure that combined transformer phase-deficient operation damages electrical equipment
The phase-lacking protective device technical field of device more particularly to a kind of phase-lacking protective device of combined transformer.
Background technology
With deepening continuously for China's upgrading urban and rural power grids, particularly urban distribution network progressively implements " under cable engineering ",
Combined transformer because its with small, all insulation, overload capacity it is strong and it is easy for installation when series of advantages due to obtain it is more next
More applications, however, from the point of view of actually using situation with regard to current combined transformer, majority does not take open-phase protection measure, this
Illustrate that the open-phase protection problem of the product does not cause the enough attention of Electric Design department yet, to combined transformer phase-deficient operation
The not universal and deep understanding of harmfulness.Combined transformer is single-phase over the ground in the event of low pressure during use
There is the overload of long period in the failures such as short circuit, and particularly summer high temperature overload all likely results in high-pressure side and inserts
Enter formula fuse failure, and existing combined transformer practicability is not strong, once phase shortage cannot be automatically powered off.
The content of the invention
The purpose of the present invention is to solve shortcoming in the prior art, and a kind of combined transformer proposed
Phase-lacking protective device.
To achieve these goals, present invention employs following technical solutions：
A kind of phase-lacking protective device of combined transformer, including transformer, left end line column, open phase protector, connection
Line and B phase lines, the transformer lower section is equipped with phase line, and zero curve is equipped on the right side of phase line, the transformer upper left peace
Equipped with left end phase terminal column, and left end phase terminal column is connected by left end power transmission line with right end line column, the transformer
Upper right is equipped with right end phase terminal column, and right end phase terminal column is connected by right end power transmission line with left end line column,
Open phase protector is installed below the left end line column, is equipped at the open phase protector inside center and automatically powers off dress
It puts, the open phase protector inside left is equipped with control chip, and the open phase protector inner right side is equipped with display module,
And signal receiver is installed below display module, the open phase protector front surface is equipped with display screen, and below display screen
Phase shortage warning lamp is installed, A phase lines below the open phase protector are installed, and B phase lines, the B phases are installed on the right side of A phase lines
C phase lines on the right side of line are installed, and connecting line is installed on the left of C phase lines, the connecting line surface is equipped with emergency light, the connection
Contactor above line is installed, and inductor is installed above contactor.
Preferably, there are three the emergency light is installed altogether, and three emergency lights are uniformly mounted on the right side of zero curve.
Preferably, the inductor output terminal is electrically connected with signal receiver input terminal.
Preferably, there are two the contactor is installed altogether, and two contactors are symmetrically mounted on B phase lines both sides.
Preferably, the transformer front surface is equipped with radiator.
In the present invention, by being equipped with left end phase terminal column and right end phase terminal column above transformer, it can will become
The low pressure of depressor transformation is divided into two parts and uniformly exports, it is ensured that the stability of transformer-supplied also avoids curtage mistake
Height causes open phase protector to damage, and improves the security of open phase protector, and emergency light is equipped with by connecting line surface, and even
Contactor is installed, open phase protector, once it is to alarm that lamp is bright, facilitates electricity per mutually a emergency light has been connect with zero curve above wiring
Work is observed, and two 380V contactors are connected in AB, BC phase line, and phase shortage has a contactor not just to be attracted, so as to which inductor senses
The working condition of contactor, and signal receiver is transferred to, realization automatically powers off operation, and intelligence degree is high, and power-off is convenient, full
The power demand of sufficient people.
Description of the drawings
Fig. 1 is a kind of structure diagram of the phase-lacking protective device of combined transformer proposed by the present invention；
Fig. 2 shows for a kind of open phase protector internal structure of the phase-lacking protective device of combined transformer proposed by the present invention
It is intended to.
In figure：1 transformer, 2 radiators, 3 zero curves, 4 phase lines, 5 left end phase terminal columns, 6 left end power transmission lines, 7 right end phases
Line binding post, 8 right end power transmission lines, 9 phase shortage warning lamps, 10 left end line columns, 11 display screens, 12 right end line columns, 13 phase shortages are protected
Protect device, 14 inductors, 15 contactors, 16 connecting lines, 17 emergency lights, 18A phase lines, 19B phase lines, 20C phase lines, 21 control chips,
22 auto-power-off devices, 23 display modules, 24 signal receivers.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
With reference to Fig. 1-2, a kind of phase-lacking protective device of combined transformer including transformer 1, left end line column 10, lacks
Phase protector 13, connecting line 16 and B phase lines 19,1 lower section of transformer is equipped with phase line 4, and 4 right side of phase line is equipped with zero curve 3, becomes
1 upper left of depressor is equipped with left end phase terminal column 5, and left end phase terminal column 5 passes through left end power transmission line 6 and right end line
Column 12 is connected, and 1 upper right of transformer is equipped with right end phase terminal column 7, and right end phase terminal column 7 passes through right end power transmission line
8 are connected with left end line column 10, and the lower section of left end line column 10 is equipped with open phase protector 13, at 13 inside center of open phase protector
Auto-power-off device 22 is installed, 13 inside left of open phase protector is equipped with control chip 21, and 13 inside of open phase protector is right
Side is equipped with display module 23, and 23 lower section of display module is equipped with signal receiver 24, the installation of 13 front surface of open phase protector
There is display screen 11, and 11 lower section of display screen is equipped with phase shortage warning lamp 9,13 lower section of open phase protector is equipped with A phase lines 18, and A
18 right side of phase line is equipped with B phase lines 19, and 19 right side of B phase lines is equipped with C phase lines 20, and 20 left side of C phase lines is equipped with connecting line 16,
16 surface of connecting line is equipped with emergency light 17, and 16 top of connecting line is equipped with contactor 15, and 15 top installation thoughts of contactor
Device 14 is answered, emergency light 17 is altogether there are three installations, and three emergency lights 17 are uniformly mounted on 3 right side of zero curve, 14 output terminal of inductor
It is electrically connected with 24 input terminal of signal receiver, contactor 15 is altogether there are two installations, and two contactors 15 are symmetrically mounted on B phases
19 both sides of line, 1 front surface of transformer are equipped with radiator 2.
Operation principle：When using the phase-lacking protective device of combined transformer, phase line 4 is passed through high pressure, by transformer 1
Low pressure is converted to, radiator 2 radiates to transformer 1, and left end phase terminal column 5 and right end phase terminal column 7 turn low pressure
Turn to uniform two parts, and respectively by left end power transmission line 6 and right end power transmission line 8 by current transmission to open phase protector 13, lack
Phase protector 13 separates three phase lines, is respectively A phase lines 18, B phase lines 19 and C phase lines 20, between A phase lines 18 and B phase lines 19 and B
Contactor 15 is installed, once 1 phase shortage of transformer, contactor 15 are not attracted, inductor 14 senses between phase line and C phase lines 20
Contactor 15, and emit a signal to signal receiver 24 by inductor 14, control chip 21 controls auto-power-off device 22
Open phase protector 13 is carried out to automatically power off protection.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of phase-lacking protective device of combined transformer, including transformer (1), left end line column (10), open phase protector
(13), connecting line (16) and B phase lines (19), which is characterized in that phase line (4), and phase line are installed below the transformer (1)
(4) right side is equipped with zero curve (3), and transformer (1) upper left is equipped with left end phase terminal column (5), and left end phase line
Binding post (5) is connected by left end power transmission line (6) with right end line column (12), and transformer (1) upper right is equipped with the right side
Phase terminal column (7) is held, and right end phase terminal column (7) is connected by right end power transmission line (8) with left end line column (10), it is described
Open phase protector (13) is installed below left end line column (10), is equipped at open phase protector (13) inside center automatic
Breaker device (22), open phase protector (13) inside left are equipped with control chip (21), the open phase protector (13)
Inner right side is equipped with display module (23), and signal receiver (24) is equipped with below display module (23), and the phase shortage is protected
Shield device (13) front surface is equipped with display screen (11), and phase shortage warning lamp (9) is equipped with below display screen (11), and the phase shortage is protected
A phase lines (18) below shield device (13) are installed, and B phase lines (19) are installed on the right side of A phase lines (18), on the right side of the B phase lines (19)
C phase lines (20) are installed, and connecting line (16) is installed on the left of C phase lines (20), connecting line (16) surface is equipped with emergent
Lamp (17), connecting line (16) top is equipped with contactor (15), and is equipped with inductor (14) above contactor (15).
A kind of 2. phase-lacking protective device of combined transformer according to claim 1, which is characterized in that the emergency light
(17) altogether there are three installations, and three emergency lights (17) are uniformly mounted on the right side of zero curve (3).
A kind of 3. phase-lacking protective device of combined transformer according to claim 1, which is characterized in that the inductor
(14) output terminal is electrically connected with signal receiver (24) input terminal.
A kind of 4. phase-lacking protective device of combined transformer according to claim 1, which is characterized in that the contactor
(15) altogether there are two installations, and two contactors (15) are symmetrically mounted on B phase lines (19) both sides.
A kind of 5. phase-lacking protective device of combined transformer according to claim 1, which is characterized in that the transformer
(1) front surface is equipped with radiator (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610696793.4A CN106159901B (en) | 2016-08-19 | 2016-08-19 | A kind of phase-lacking protective device of combined transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610696793.4A CN106159901B (en) | 2016-08-19 | 2016-08-19 | A kind of phase-lacking protective device of combined transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106159901A CN106159901A (en) | 2016-11-23 |
| CN106159901B true CN106159901B (en) | 2018-05-22 |
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ID=57341672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610696793.4A Active CN106159901B (en) | 2016-08-19 | 2016-08-19 | A kind of phase-lacking protective device of combined transformer |
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| CN (1) | CN106159901B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2385418Y (en) * | 1999-08-19 | 2000-06-28 | 顺德特种变压器厂 | Combined transformer |
| CN201332258Y (en) * | 2008-12-30 | 2009-10-21 | 胶南市供电公司 | Open-phase protection type residual current operated protector |
| CN201504090U (en) * | 2009-09-16 | 2010-06-09 | 宁夏电力公司银川供电局 | Zero line open circuit protection device for low-voltage distribution network |
| CN201789271U (en) * | 2010-06-29 | 2011-04-06 | 河南省电力公司许昌供电公司 | Phase lack protection device of combined transformer |
| CN204205555U (en) * | 2014-10-29 | 2015-03-11 | 安徽鑫龙电器股份有限公司 | A kind of protective device for low voltage electric network |
| CN205986111U (en) * | 2016-08-19 | 2017-02-22 | 宝亨新电气（集团）有限公司 | Modular scarce looks protection device of transformer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145684A (en) * | 2006-09-15 | 2008-03-19 | 乐金电子(天津)电器有限公司 | Three-phase compressor phase reversal and loss protection device and method |
| CN201113386Y (en) * | 2007-09-07 | 2008-09-10 | 潘凡鹏 | Full-automatic open-phase protection time-delay closing device |
| CN102244380B (en) * | 2010-12-22 | 2013-09-11 | 保定天威集团有限公司 | Open-phase protection method and device of 35kV American box-type substation for wind power station |
-
2016
- 2016-08-19 CN CN201610696793.4A patent/CN106159901B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2385418Y (en) * | 1999-08-19 | 2000-06-28 | 顺德特种变压器厂 | Combined transformer |
| CN201332258Y (en) * | 2008-12-30 | 2009-10-21 | 胶南市供电公司 | Open-phase protection type residual current operated protector |
| CN201504090U (en) * | 2009-09-16 | 2010-06-09 | 宁夏电力公司银川供电局 | Zero line open circuit protection device for low-voltage distribution network |
| CN201789271U (en) * | 2010-06-29 | 2011-04-06 | 河南省电力公司许昌供电公司 | Phase lack protection device of combined transformer |
| CN204205555U (en) * | 2014-10-29 | 2015-03-11 | 安徽鑫龙电器股份有限公司 | A kind of protective device for low voltage electric network |
| CN205986111U (en) * | 2016-08-19 | 2017-02-22 | 宝亨新电气（集团）有限公司 | Modular scarce looks protection device of transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106159901A (en) | 2016-11-23 |
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