CN201984117U - Capacitor group switching testing device - Google Patents
Capacitor group switching testing device Download PDFInfo
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- CN201984117U CN201984117U CN2010206775275U CN201020677527U CN201984117U CN 201984117 U CN201984117 U CN 201984117U CN 2010206775275 U CN2010206775275 U CN 2010206775275U CN 201020677527 U CN201020677527 U CN 201020677527U CN 201984117 U CN201984117 U CN 201984117U
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- 239000003990 capacitor Substances 0.000 title claims abstract description 38
- 238000012360 testing method Methods 0.000 title abstract description 11
- 230000003321 amplification Effects 0.000 claims description 20
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 5
- 230000008054 signal transmission Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model relates to a capacitor group switching testing device, which comprises a current transformer module, a voltage transformer module, a breaker module, a voltage divider module, a capacitor module, a data collector and an upper computer, wherein the input ends of the current transformer module and the voltage transformer module are connected with a bus; one end of the voltage divider module is connected with the bus through the capacitor module and the breaker module; and the data collector is connected with the upper computer. The capacitor group switching testing device is characterized by further comprising a relay control unit, data acquisition units and a data receiving unit. The testing device has simple structure and is convenient to use, has strong anti-interference ability in the signal transmission during the whole testing process, the result is accurate, and an operator can control a switch outside a switch rood, thereby eliminating the threat on the security of the staff and the equipment caused by the excess voltage at the separating/uniting instant of the capacitor.
Description
Technical field
The utility model belongs to substation capacitors group testing apparatus field, especially a kind of capacitor group switching proving installation.
Background technology
The capacitor group is a kind of visual plant in the transformer station, before equipment operation, need test the switching process of capacitor group, mainly be that deciliter Measurement of capacitor group by the control breaker module drops into, withdraws from the moment line voltage and the variation of capacitor group voltage, electric current of electrical network, by above test, the divide-shut brake correlation parameters such as busbar voltage variation that shove before and after the multiple, divide-shut brake superpotential multiple, divide-shut brake have been obtained.
At present, in the transformer station, current transformer and voltage transformer (VT) are installed on the bus in the switch gear room, the output terminal of current transformer and voltage transformer (VT) is connected data acquisition unit, and the breaker module that bus connected is by operating personnel's manual operation; The breaker module other end connects the capacitor module of capacitor chamber, and capacitor module connects data acquisition unit by the voltage divider module.Data acquisition unit is gathered the output of current transformer, voltage transformer (VT) and voltage divider module, is uploaded to host computer again.
That separates between switch gear room, capacitor chamber and the data acquisition unit is far away, connect by concentric cable between the three, the concentric cable of long distance has reduced measuring accuracy, and in the test process, when there is fault in capacitor, might produce the superpotential of volts up to ten thousand, the mode of wired connection can make superpotential reach data acquisition unit along concentric cable, it is burnt, and superpotential also can make switch on fire simultaneously, threatens the personal safety of operating personnel in the switch gear room.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides simple in structure and capacitor group switching proving installation that antijamming capability is strong, safe in utilization.
The technical scheme that the utility model is taked is:
A kind of capacitor group switching proving installation, comprise current transformer module, the voltage transformer (VT) module, breaker module, the voltage divider module, capacitor module, data acquisition unit and host computer, current transformer module, the input end connection bus of voltage transformer (VT) module, one end of voltage divider module passes through capacitor module, the breaker module connection bus, data acquisition unit connects host computer, it is characterized in that: also comprise a relay control unit, data acquisition unit and Data Receiving unit, one end of relay control unit connects the breaker module control end, the current transformer module output terminal, voltage transformer (VT) module output terminal, the other end of the other end of relay control unit and voltage divider module all is connected data acquisition unit, data acquisition unit is with an end of wireless mode connection data receiving element, and the other end of Data Receiving unit connects data acquisition unit.
And, described relay control unit comprises amplification module, a normal open switch, a single-pole double-throw switch (SPDT), first relay, second relay and a time relay, an IO interface of data acquisition unit connects the coil of normal open switch by an amplification module, the moving contact of this normal open switch is connected with first relay, a normally opened contact of this first relay is connected with the time relay, another normally opened contact is connected with second relay and time relay normally opened contact, the normally opened contact of second relay and single-pole double-throw switch (SPDT) series connection, two stationary contacts of this single-pole double-throw switch (SPDT) connect the combined floodgate end and the separating brake end of breaker module respectively, and the coil of this single-pole double-throw switch (SPDT) connects another IO interface of data acquisition unit by amplification module.
And, the coil of described normal open switch and the coil of single-pole double-throw switch (SPDT) diode in parallel respectively.
And, described data acquisition unit comprises amplification module, A/D modular converter, CPU module, memory module and wireless RF module, the IO interface of CPU module connects an end of memory module, wireless RF module and A/D modular converter, and the other end of A/D modular converter connects the output terminal of current transformer module and voltage transformer (VT) module by amplification module.
And described Data Receiving unit comprises CPU module, memory module and wireless RF module, and memory module is connected the IO interface of CPU module with wireless RF module, and the IO interface of CPU module also connects data acquisition unit.
Advantage of the present utility model and good effect are:
The utility model is simple in structure, easy to use, by Wireless transmission mode the output signal of current transformer module, voltage transformer (VT) module and voltage divider module is sent to data acquisition unit, and by the divide-shut brake of data acquisition unit by relay control unit control breaker module, in the whole test process, signal transmission antijamming capability is strong, the result is accurate, and operating personnel can split to close outside the switch gear room and control, and have eliminated the threat of capacitor deciliter transient overvoltage to the person and device security.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the structural representation of relay control unit;
Fig. 3 is the schematic diagram of data acquisition unit;
Fig. 4 is the schematic diagram of Data Receiving unit.
Embodiment
Below in conjunction with embodiment, the utility model is further specified, following embodiment is illustrative, is not determinate, can not limit protection domain of the present utility model with following embodiment.
A kind of capacitor group switching proving installation, shown in Fig. 1～4, comprise current transformer module, the voltage transformer (VT) module, breaker module, the voltage divider module, capacitor module, data acquisition unit and host computer 1, current transformer module, the input end connection bus of voltage transformer (VT) module is to obtain the electric current and the voltage signal of bus, one end of voltage divider module passes through capacitor module, the breaker module connection bus, data acquisition unit connects host computer, innovation of the present utility model is: also comprise a relay control unit, data acquisition unit 1, data acquisition unit 2 and Data Receiving unit, one end of relay control unit connects the breaker module control end, the current transformer module output terminal, voltage transformer (VT) module output terminal, the other end of relay control unit connects data acquisition unit 1, the other end of voltage divider module connects data acquisition unit 2, data acquisition unit 1 and data acquisition unit 2 all are connected an end of data receiving element with wireless mode, the other end of Data Receiving unit connects data acquisition unit.
In the present embodiment, relay control unit comprises amplification module 1, amplification module 2, normal open switch K1, single-pole double-throw switch (SPDT) K2, the first relay J K1, the second relay J K2 and time relay JKT1, an IO interface of data acquisition unit 1 connects the coil XQK1 of normal open switch K1 by amplification module 1, the moving contact of this normal open switch is connected with the first relay J K1, the normally opened contact JKC11 of this first relay J K1 connects with time relay JKT1, another normally opened contact JKC12 connects with the second relay J K2 and time relay normally opened contact JKTC1, the normally opened contact JKC21 of the second relay J K2 connects with "+" terminals of breaker module and single-pole double-throw switch (SPDT) K2, two stationary contacts of this single-pole double-throw switch (SPDT) connect the combined floodgate end and the separating brake end of breaker module respectively, and the coil XQK2 of this single-pole double-throw switch (SPDT) K2 connects another IO interface of data acquisition unit 1 by amplification module 2.Above-mentioned amplification module 1 and amplification module 2 all use triode to carry out the amplification of signal.
For the coil XQK1 that protects normal open switch K1 and the coil XQK2 of single-pole double-throw switch (SPDT) K2, a diode D1 in parallel with coil XQK1, a diode D2 in parallel with coil XQK2.
Data acquisition unit as shown in Figure 3, comprise amplification module, A/D modular converter, CPU module, memory module and wireless RF module, the IO interface of CPU module connects an end of memory module, wireless RF module and A/D modular converter, and the other end of A/D modular converter connects the output terminal of current transformer module and voltage transformer (VT) module by amplification module.
The Data Receiving unit comprises CPU module, memory module and wireless RF module as shown in Figure 4, and memory module is connected the IO interface of CPU module with wireless RF module, and the IO interface of CPU module also connects data acquisition unit.
Principle of work of the present utility model is:
1. the capacitor group drops into electric grid operating
Operating personnel send instruction at host computer, send to data acquisition unit 1 with the Zigbee agreement by the unlimited RF module in the Data Receiving unit by data acquisition unit, the coil XQK1 of rear drive normal open switch K1 is amplified in instruction through amplification module 1, the moving contact closure of normal open switch K1, the first relay J K1 coil gets, the normally opened contact JKC11 of the first relay J K1 and JKC12 closure, time relay JKT1 coil gets, the normally opened contact JKTC1 closure of time relay JKT1, the second relay J K2 coil gets, the normally opened contact JKC21 closure of the second relay J K2, single-pole double-throw switch (SPDT) K2 closes at the end that closes a floodgate and makes the breaker module connection simultaneously, capacitor group connection bus, current transformer module, the output of voltage transformer (VT) module and voltage divider module transfers to host computer by wireless mode.
2. the capacitor group is excised from electrical network
Operating personnel operating personnel send instruction at host computer, send to data acquisition unit 1 with the Zigbee agreement by the unlimited RF module in the Data Receiving unit by data acquisition unit, single-pole double-throw switch (SPDT) K2 closes at the separating brake end disconnects breaker module, capacitor group connection bus, other relay and switch motion make the output of current transformer module, voltage transformer (VT) module and voltage divider module transfer to host computer by wireless mode simultaneously.
The utility model is simple in structure, easy to use, by Wireless transmission mode the output signal of current transformer module, voltage transformer (VT) module and voltage divider module is sent to data acquisition unit, and by the divide-shut brake of data acquisition unit by relay control unit control breaker module, in the whole test process, signal transmission antijamming capability is strong, the result is accurate, and operating personnel can split to close outside the switch gear room and control, and have eliminated the threat of capacitor deciliter transient overvoltage to the person and device security.
Claims (5)
1. capacitor group switching proving installation, comprise current transformer module, the voltage transformer (VT) module, breaker module, the voltage divider module, capacitor module, data acquisition unit and host computer, current transformer module, the input end connection bus of voltage transformer (VT) module, one end of voltage divider module passes through capacitor module, the breaker module connection bus, data acquisition unit connects host computer, it is characterized in that: also comprise a relay control unit, data acquisition unit and Data Receiving unit, one end of relay control unit connects the breaker module control end, the current transformer module output terminal, voltage transformer (VT) module output terminal, the other end of the other end of relay control unit and voltage divider module all is connected data acquisition unit, data acquisition unit is with an end of wireless mode connection data receiving element, and the other end of Data Receiving unit connects data acquisition unit.
2. capacitor group switching proving installation according to claim 1, it is characterized in that: described relay control unit comprises amplification module, a normal open switch, a single-pole double-throw switch (SPDT), first relay, second relay and a time relay, an IO interface of data acquisition unit connects the coil of normal open switch by an amplification module, the moving contact of this normal open switch is connected with first relay, a normally opened contact of this first relay is connected with the time relay, another normally opened contact is connected with second relay and time relay normally opened contact, the normally opened contact of second relay and single-pole double-throw switch (SPDT) series connection, two stationary contacts of this single-pole double-throw switch (SPDT) connect the combined floodgate end and the separating brake end of breaker module respectively, and the coil of this single-pole double-throw switch (SPDT) connects another IO interface of data acquisition unit by amplification module.
3. capacitor group switching proving installation according to claim 1 is characterized in that: the coil of described normal open switch and the coil of single-pole double-throw switch (SPDT) diode in parallel respectively.
4. according to claim 1 or 2 or 3 described capacitor group switching proving installations, it is characterized in that: described data acquisition unit comprises amplification module, A/D modular converter, CPU module, memory module and wireless RF module, the IO interface of CPU module connects an end of memory module, wireless RF module and A/D modular converter, and the other end of A/D modular converter connects the output terminal of current transformer and voltage transformer (VT) by amplification module.
5. according to claim 1 or 2 or 3 described capacitor group switching proving installations, it is characterized in that: described Data Receiving unit comprises CPU module, memory module and wireless RF module, memory module is connected the IO interface of CPU module with wireless RF module, the IO interface of CPU module also connects data acquisition unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206775275U CN201984117U (en) | 2010-12-23 | 2010-12-23 | Capacitor group switching testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206775275U CN201984117U (en) | 2010-12-23 | 2010-12-23 | Capacitor group switching testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201984117U true CN201984117U (en) | 2011-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206775275U Expired - Lifetime CN201984117U (en) | 2010-12-23 | 2010-12-23 | Capacitor group switching testing device |
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| CN (1) | CN201984117U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135576A (en) * | 2010-12-23 | 2011-07-27 | 天津市电力公司 | Switching tester of substation condenser bank |
| CN102928693A (en) * | 2012-10-16 | 2013-02-13 | 云南电力试验研究院（集团）有限公司电力研究院 | Monitoring system and monitoring method for switching process of shunt power capacitor |
| CN103901261A (en) * | 2014-04-03 | 2014-07-02 | 国家电网公司 | System and method for conducting wireless measurement on overvoltage of electrical power system |
| CN112014676A (en) * | 2020-09-11 | 2020-12-01 | 西安高压电器研究院有限责任公司 | Switching test device for capacitor device type test |
-
2010
- 2010-12-23 CN CN2010206775275U patent/CN201984117U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135576A (en) * | 2010-12-23 | 2011-07-27 | 天津市电力公司 | Switching tester of substation condenser bank |
| CN102928693A (en) * | 2012-10-16 | 2013-02-13 | 云南电力试验研究院（集团）有限公司电力研究院 | Monitoring system and monitoring method for switching process of shunt power capacitor |
| CN102928693B (en) * | 2012-10-16 | 2016-04-20 | 云南电力试验研究院（集团）有限公司电力研究院 | A kind of the parallel power condenser switching process monitoring system and monitoring method |
| CN103901261A (en) * | 2014-04-03 | 2014-07-02 | 国家电网公司 | System and method for conducting wireless measurement on overvoltage of electrical power system |
| CN112014676A (en) * | 2020-09-11 | 2020-12-01 | 西安高压电器研究院有限责任公司 | Switching test device for capacitor device type test |
| CN112014676B (en) * | 2020-09-11 | 2023-10-13 | 西安高压电器研究院股份有限公司 | Switching test device for capacitor device type test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN ELECTRIC POWER CORP. Effective date: 20130523 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: TIANJIN ELECTRIC POWER CORP. Effective date: 20130523 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300010 HEBEI, TIANJIN TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130523 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Tianjin Electric Power Corp. Address before: 300010 Tianjin city Hebei District Wujing Road No. 39 Patentee before: Tianjin Electric Power Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110921 |