CN103311875A - Power supply system of automatic re-close circuit breaker - Google Patents
Power supply system of automatic re-close circuit breaker Download PDFInfo
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- CN103311875A CN103311875A CN201310180762XA CN201310180762A CN103311875A CN 103311875 A CN103311875 A CN 103311875A CN 201310180762X A CN201310180762X A CN 201310180762XA CN 201310180762 A CN201310180762 A CN 201310180762A CN 103311875 A CN103311875 A CN 103311875A
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Abstract
The invention relates to a power supply system of an automatic re-close circuit breaker. The power supply system of the automatic re-close circuit breaker comprises a self-generating power supply circuit module, a three-phase four-wire power supply circuit module, an auxiliary power supply circuit module, a power supply automatic selection circuit module and a power supply circuit module, wherein the power supply automatic selection circuit module is respectively connected with the self-generating power supply circuit module, the three-phase four-wire power supply circuit module and the auxiliary power supply circuit module, and the power supply circuit module is connected with the power supply automatic selection circuit module. According to the power supply system of the automatic re-close circuit breaker, provided by the invention, a self-generating power supply is adopting for supplying power, and the work security of a whole hardware system of the automatic re-close circuit breaker can be increased; and a suitable power supply is selected by the power supply automatic selection circuit module for supplying the power according to a real-time power supply situation, the power supply continuity of the whole hardware system can be ensured, and the working requirements of the automatic re-close circuit breaker on reliability and security can be more met.
Description
Technical field
The present invention relates to a kind of power-supply system, more particularly, relate to a kind of autoreclose breaker power-supply system.
Background technology
In the application of autoreclose breaker, power-supply system is directly connected to reliability and the fail safe of whole hardware system.Therefore the autoreclose breaker power-supply system generally adopts 220V or the single-phase single power supply of 380V.Although above-mentioned design generally is used, and has design defect: Winding Single Phase Capacitance does not meet the B.8.9.1 relevant regulations of clause of standard GB/T 14048.2-2008 appendix B " circuit breaker with residual current protecting ": a phase residual current protecting function must work to require residual current circuit breaker no matter to disconnect wherein in A, B, C three-phase; Mutually disconnected phase time of power supply occurring simultaneously, power supply can't work, and causes whole hardware system cisco unity malfunction.Single power supply can't be realized whole hardware system reliably working when power supply height under-voltage (less than 150V) or decompression, can not satisfy the work requirements of autoreclose breaker safety and reliability fully.
Summary of the invention
The technical problem to be solved in the present invention is, can't realize whole hardware system reliably working when power supply height under-voltage (less than 150V) or the decompression for the above-mentioned single power supply of prior art, can not satisfy the defective of the work requirements of autoreclose breaker safety and reliability fully, a kind of autoreclose breaker power-supply system is provided, it is characterized in that, comprising:
Authigenic power supply power supply circuits module;
Three-phase and four-line power supply circuits module;
Accessory power supply power supply circuits module;
Power supply automatic selection circuit module, described power supply automatic selection circuit module are connected with described authigenic power supply power supply circuits module, three-phase and four-line power supply circuits module, accessory power supply power supply circuits module respectively;
The power circuit module, described power circuit module is connected with power supply automatic selection circuit module.
Further, the input signal end CT of described authigenic power supply power supply circuits module is connected to the output of current transformer, by capacitor C 7, C8, C9, C10, C11, and resistance R 1, R2, R3, R4, Transient Voltage Suppressor D6, voltage detector Q2 and field effect transistor Q1 form.
Further, described three-phase and four-line power supply circuits module is comprised of transformer T1, T2, T3 and piezo-resistance RES1, RES2, RES3.
Further, described power supply automatic selection circuit module is comprised of diode D1, D2, D3, D4, D5.
Further, described power circuit module produces respectively VAA and two power supplys of VCC by filter capacitor C1, C2, C3, C4, C5, C6 and stabilized voltage power supply U1, U2.
Further, described accessory power supply power supply circuits module is made of DC power supply DC.
Further, described transformer T1 one end is connected with piezo-resistance RES1, diode D1, piezo-resistance RES1 other end ground connection; Described transformer T2 one end is connected with piezo-resistance RES2, diode D2, piezo-resistance RES2 other end ground connection; Described transformer T3 one end is connected with piezo-resistance RES3, diode D3, piezo-resistance RES3 other end ground connection.
Further, the anodic bonding of the incoming end DC of described accessory power supply power supply circuits module and diode D4.
Further, the anodic bonding of the incoming end CTU of described authigenic power supply power supply circuits module and diode D5.
Implement autoreclose breaker power-supply system of the present invention, have following beneficial effect: the fail safe that improves the work of the whole hardware system of autoreclose breaker; According to the suitable Power supply of in real time power supply situation selection, the continuity of whole hardware system power supply is guaranteed by the power supply automatic selection circuit, more meet the work requirements of autoreclose breaker reliability and fail safe.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is autoreclose breaker power-supply system schematic diagram in the prior art;
Fig. 2 is autoreclose breaker power-supply system theory diagram of the present invention;
Fig. 3 is the authigenic power supply power supply circuit of autoreclose breaker power-supply system of the present invention;
Fig. 4 is autoreclose breaker power system circuit schematic diagram of the present invention.
Embodiment
See also Fig. 1, Fig. 1 is autoreclose breaker power-supply system schematic diagram in the prior art.
See also Fig. 2, Fig. 2 is autoreclose breaker power-supply system theory diagram of the present invention.As shown in Figure 2, autoreclose breaker power-supply system of the present invention is characterized in that, comprising:
Authigenic power supply power supply circuits module;
Three-phase and four-line power supply circuits module;
Accessory power supply power supply circuits module;
Power supply automatic selection circuit module, described power supply automatic selection circuit module are connected with described authigenic power supply power supply circuits module, three-phase and four-line power supply circuits module, accessory power supply power supply circuits module respectively;
The power circuit module, described power circuit module is connected with power supply automatic selection circuit module.
See also Fig. 3, Fig. 3 is the authigenic power supply power supply circuit of autoreclose breaker power-supply system of the present invention.As shown in Figure 3, authigenic power supply power supply circuits module input signal end CT is connected to the output of current transformer, by capacitor C 7, C8, C9, C10, C11, and resistance R 1, R2, R3, R4, Transient Voltage Suppressor D6, voltage detector Q2 and field effect transistor Q1 form.
See also Fig. 4, Fig. 4 is autoreclose breaker power system circuit schematic diagram of the present invention. wherein the three-phase and four-line power supply circuits are comprised of transformer T1, T2, T3 and piezo-resistance RES1, RES2, RES3, and the power supply automatic selection circuit is comprised of diode D1, D2, D3, D4, D5; Power circuit produces respectively VAA and two power supplys of VCC by filter capacitor C1, C2, C3, C4, C5, C6 and stabilized voltage power supply U1, U2, satisfies the demand of whole hardware system disparate modules; The incoming end DC of accessory power supply and the anodic bonding of diode D4; The incoming end CTU of authigenic power supply and the anodic bonding of diode D5.
Unique distinction of the present invention is to have set up 1, whole hardware system adopts the three-phase four-wire power power supply; not only meet the designing requirement of autoreclose breaker fail safe, and meet the B.8.9.1 relevant regulations of clause of GB14048.2-2008 appendix B " circuit breaker with residual current protecting " fully.2, adopt the authigenic power supply power supply, improve the fail safe of the work of the whole hardware system of autoreclose breaker.When avoiding single power supply, whole hardware system can't be worked during owing to voltage failures such as system's appearance highly under-voltage (less than 150V) or decompressions.3, adopt authigenic power supply, three-phase four-wire power and the power supply of accessory power supply three-way power, select suitable Power supply by the power supply automatic selection circuit according to real-time power supply situation, the continuity of whole hardware system power supply is guaranteed, more meet the work requirements of autoreclose breaker reliability and fail safe.
By adopting the present invention, has following beneficial effect: the fail safe of the work of the whole hardware system of Effective Raise autoreclose breaker; According to the suitable Power supply of in real time power supply situation selection, the continuity of whole hardware system power supply is guaranteed by the power supply automatic selection circuit, more meet the work requirements of autoreclose breaker reliability and fail safe.
The present invention is described according to specific embodiment, but it will be understood by those skilled in the art that when not breaking away from the scope of the invention, can carry out various variations and be equal to replacement.In addition, for adapting to the specific occasion of the technology of the present invention, can carry out many modifications and not break away from its protection range the present invention.Therefore, the present invention is not limited to specific embodiment disclosed herein, and comprises that all drop into the embodiment of claim protection range.
Claims (9)
1. an autoreclose breaker power-supply system is characterized in that, comprising:
Authigenic power supply power supply circuits module;
Three-phase and four-line power supply circuits module;
Accessory power supply power supply circuits module;
Power supply automatic selection circuit module, described power supply automatic selection circuit module are connected with described authigenic power supply power supply circuits module, three-phase and four-line power supply circuits module, accessory power supply power supply circuits module respectively;
The power circuit module, described power circuit module is connected with power supply automatic selection circuit module.
2. autoreclose breaker power-supply system according to claim 1, it is characterized in that, the input signal end CT of described authigenic power supply power supply circuits module is connected to the output of current transformer, by capacitor C 7, C8, C9, C10, C11, resistance R 1, R2, R3, R4, Transient Voltage Suppressor D6, voltage detector Q2 and field effect transistor Q1 form.
3. autoreclose breaker power-supply system according to claim 1 is characterized in that, described three-phase and four-line power supply circuits module is comprised of transformer T1, T2, T3 and piezo-resistance RES1, RES2, RES3.
4. autoreclose breaker power-supply system according to claim 1 is characterized in that, described power supply automatic selection circuit module is comprised of diode D1, D2, D3, D4, D5.
5. autoreclose breaker power-supply system according to claim 1 is characterized in that, described power circuit module produces respectively VAA and two power supplys of VCC by filter capacitor C1, C2, C3, C4, C5, C6 and stabilized voltage power supply U1, U2.
6. autoreclose breaker power-supply system according to claim 1 is characterized in that, described accessory power supply power supply circuits module is made of DC power supply DC.
7. autoreclose breaker power-supply system according to claim 3 is characterized in that, described transformer T1 one end is connected with piezo-resistance RES1, diode D1, piezo-resistance RES1 other end ground connection; Described transformer T2 one end is connected with piezo-resistance RES2, diode D2, piezo-resistance RES2 other end ground connection; Described transformer T3 one end is connected with piezo-resistance RES3, diode D3, piezo-resistance RES3 other end ground connection.
8. according to claim 1 to 6 each described autoreclose breaker power-supply systems, it is characterized in that the incoming end DC of described accessory power supply power supply circuits module and the anodic bonding of diode D4.
9. according to claim 1 to 6 each described autoreclose breaker power-supply systems, it is characterized in that the incoming end CTU of described authigenic power supply power supply circuits module and the anodic bonding of diode D5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310180762.XA CN103311875B (en) | 2013-05-10 | 2013-05-10 | Autoreclose breaker power-supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310180762.XA CN103311875B (en) | 2013-05-10 | 2013-05-10 | Autoreclose breaker power-supply system |
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| CN103311875A true CN103311875A (en) | 2013-09-18 |
| CN103311875B CN103311875B (en) | 2017-01-04 |
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| CN201310180762.XA Active CN103311875B (en) | 2013-05-10 | 2013-05-10 | Autoreclose breaker power-supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840423A (en) * | 2014-03-03 | 2014-06-04 | 长城电器集团有限公司 | Residual current relay controller circuit |
Citations (5)
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| CN2465317Y (en) * | 2001-02-22 | 2001-12-12 | 上海电器科学研究所 | Circuit breaker with intelligent self-generated power source |
| CN1624848A (en) * | 2004-12-08 | 2005-06-08 | 上海电器科学研究所（集团）有限公司 | Power supply switching device |
| US20090256426A1 (en) * | 2008-04-15 | 2009-10-15 | General Electric Company | System and method for managing power supply to a circuit breaker control unit |
| CN201994717U (en) * | 2011-04-14 | 2011-09-28 | 上海诺雅克电气有限公司 | Control device for supplying power to breaker control units |
| CN203617678U (en) * | 2013-05-10 | 2014-05-28 | 长城电器集团有限公司 | Power supply system used for automatic reclosing breaker |
-
2013
- 2013-05-10 CN CN201310180762.XA patent/CN103311875B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2465317Y (en) * | 2001-02-22 | 2001-12-12 | 上海电器科学研究所 | Circuit breaker with intelligent self-generated power source |
| CN1624848A (en) * | 2004-12-08 | 2005-06-08 | 上海电器科学研究所（集团）有限公司 | Power supply switching device |
| US20090256426A1 (en) * | 2008-04-15 | 2009-10-15 | General Electric Company | System and method for managing power supply to a circuit breaker control unit |
| CN201994717U (en) * | 2011-04-14 | 2011-09-28 | 上海诺雅克电气有限公司 | Control device for supplying power to breaker control units |
| CN203617678U (en) * | 2013-05-10 | 2014-05-28 | 长城电器集团有限公司 | Power supply system used for automatic reclosing breaker |
Non-Patent Citations (1)
| Title |
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| 余存泰: "自动转换开关控制器设计", 《现代建筑电气》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840423A (en) * | 2014-03-03 | 2014-06-04 | 长城电器集团有限公司 | Residual current relay controller circuit |
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| CN103311875B (en) | 2017-01-04 |
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Effective date of registration: 20200121 Address after: 325603 no.2-1, Baixiang Avenue, beibaixiang Town, Yueqing City, Wenzhou City, Zhejiang Province (South Building) Patentee after: Great Wall Electrical Appliance Group Zhejiang Technology Co., Ltd. Address before: 325000 No. 2-1, white elephant Avenue, North white elephant Town, Zhejiang, Yueqing Patentee before: CNC Electric Group Co.,Ltd. |
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