CN201344958Y - Test bench circuit of capacitance compensation cabinet - Google Patents
Test bench circuit of capacitance compensation cabinet Download PDFInfo
- Publication number
- CN201344958Y CN201344958Y CNU2008202176272U CN200820217627U CN201344958Y CN 201344958 Y CN201344958 Y CN 201344958Y CN U2008202176272 U CNU2008202176272 U CN U2008202176272U CN 200820217627 U CN200820217627 U CN 200820217627U CN 201344958 Y CN201344958 Y CN 201344958Y
- Authority
- CN
- China
- Prior art keywords
- voltage
- phase
- iii
- digital programmable
- adjustable resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a test bench circuit of a capacitance compensation cabinet, and aims to provide a test bench which is capable of completing power frequency over-voltage protection test and the auto-switching debugging of the capacitance compensation cabinet. The essential of the technical proposal are as follows: three-phase alternating-current supply is supplied to a three-phase voltage regulator 2 through a breaker 1; a digital programmable voltmeter I 4 is used to measure the voltage of the three-phase voltage regulator 2; a single-phase voltage regulator 3 is connected with a single-phase power supply; a digital programmable voltmeter II 5 is used to measure the voltage of the single-phase voltage regulator 3; and the primary side coils of an isolation transformer I 6, an isolation transformer II 7 and an isolation transformer III 8 are respectively connected between power supplies L1, L2 and L3 and an N line, and one end of the secondary side coils is respectively serially connected with an adjustable resistor I 9 and an ammeter II 12, an adjustable resistor II 10 and an ammeter II 13, an adjustable resistor III 11 and an ammeter III 14, and the other end of the secondary side coils is grounded.
Description
Technical field
The utility model relates to a kind of capacitor compensation cabinet testing table circuit, relates in particular to the testing table circuit of a kind of power-frequency overvoltage protection test and capacitor box compensating controller automatic switching debugging, belongs to the regulator cubicle technical field of measurement and test.
Background technology
Because national requirements is carried out mandatory 3C sign demonstration to capacitor compensation cabinet, all products must be done the 3C test according to standard GB/T 15576 before dispatching from the factory, and the ask for something of stipulating in this standard is different from the requirement of former standard GB 7251 defineds, existing check can not be carried out the test that standard GB/T 15576 requires with the capacitor compensation cabinet testing table, so need design and develop a kind of special-purpose delivery test platform that adapts to new standard, so that satisfy the requirement of capacitor compensation cabinet factory inspection.
The utility model content
The purpose of this utility model is to provide a kind of special-purpose delivery test platform of adaptation standard GB/T 15576 requirements; finish the power-frequency overvoltage protection test of GB requirement, the automatic switching debugging of capacitor box compensating controller, so that satisfy the requirement of capacitor compensation cabinet factory inspection.
The purpose of this utility model is achieved by the following technical programs:
Capacitor compensation cabinet testing table circuit is by isolating switch 1, three-phase regulator 2, single-phase voltage regulating device 3, digital programmable voltage Table I 4, digital programmable voltage Table II 5,220V/6V isolating transformer I6, isolating transformer II7, isolating transformer III8, adjustable resistance I9, adjustable resistance II10, adjustable resistance III11, reometer I12, reometer II13, reometer III14 forms, three-phase alternating-current supply is delivered to three-phase regulator 2 behind isolating switch 1, the voltage signal input end of digital programmable voltage Table I 4 is connected to the voltage output end of three-phase regulator 2, be used for measuring its output voltage of demonstration, single-phase voltage regulating device 3 is connected to single phase poaer supply, the voltage signal input end of digital programmable voltage table 5 is connected to the voltage output end of single-phase voltage regulating device 3, be used for measuring its output voltage of demonstration, isolating transformer I6, isolating transformer II7, isolating transformer III8 first siding ring is connected to power supply L1 respectively, L2, between L3 and the N line, its second siding ring one end is connected in series adjustable resistance I9 and reometer 12 respectively, adjustable resistance II10 and reometer 13, adjustable resistance III11 and reometer III14, the whole ground connection of the second siding ring other end, the range of regulation of described three-phase regulator 2 is 0-450V, and the range of regulation of described single-phase voltage regulating device 3 is 0-250V.
The purpose of this utility model can also further realize by following technical measures:
The model of aforementioned digital programmable voltage table 4 is PZ-80AV3/J, and the model of digital programmable voltage table 5 is PZ-80AV1/J.
Capacitor compensation cabinet testing table circuit also comprises digital timer 15 (model is ETR-DB-S1) and button 16, the normally opened contact two ends of button 16 are in parallel with the superpotential alarm actuating contact 18 of the superpotential alarm actuating contact 17 of aforementioned digital programmable voltage table 4, digital programmable voltage table 5, the parallel circuit two ends are connected between timer 15+5V and the IN end, as the start-up circuit of timer 15, the AC1 of timer 15, AC2 termination alternating current 220V power supply.
Compared with prior art, the beneficial effects of the utility model are:
The utility model provides the capacitor compensation cabinet delivery test platform of a kind of adaptation standard GB/T 15576, can finish the power-frequency overvoltage protection test of GB requirement, the automatic switching debugging of capacitor box compensating controller; The loop of current measurement is except outside the switching of testing capacitor compensation control loop (mutually leading 120 °, lags behind 120 °, a synchronised mutually), can also debug capacitor box with meter take into account the gauging table meter, such as three-phase or single-phase current table; Gain merit or reactive energy-meter.Whether correct or whether gauging table wiring correct, being just changes or reverse if detecting the numerical value of its demonstration and precision.By the alarm actuating contact control timer initiation of digital programmable voltage table, guarantee the promptness of timer action, prevent to cause error because of manual time-keeping; The three-phase measuring current that provides is 6v, adjustable safety test electric current in 3～10A scope.The utility model has satisfied the requirement of GB, has guaranteed the dispatch from the factory quality of product of capacitor compensation cabinet.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Fig. 2 is the timer working circuit diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in drawings, the utility model is by isolating switch 1, three-phase regulator 2, single-phase voltage regulating device 3, accuracy class is 0.2 grade digital programmable voltage Table I 4, digital programmable voltage Table II 5, the isolating transformer I6 of 220V/6V, isolating transformer II7, isolating transformer III8, the adjustable resistance I9 of Standard resistance range 0-2 Ω, adjustable resistance II10, adjustable resistance III11, reometer I12, reometer II13, reometer III14, timer 15 and button 16 are formed.The model of digital programmable voltage Table I 4, digital programmable voltage Table II 5 is respectively PZ-80AV3/J, PZ-80AV1/J, and the model of digital timer 15 is ETR-DB-S1.Three-phase alternating-current supply is delivered to three-phase regulator 2 behind isolating switch 1, the voltage signal input end of digital programmable voltage Table I 4 is connected to the voltage output end of three-phase regulator 2, be used for measuring its output voltage of demonstration, single-phase voltage regulating device 3 is connected to single phase poaer supply, the voltage signal input end of digital programmable voltage Table II 5 is connected to the voltage output end of single-phase voltage regulating device 3, be used for measuring its output voltage of demonstration, isolating transformer I6, isolating transformer II7, isolating transformer III8 first siding ring is connected to power supply L1 respectively, L2, between L3 and the N line, its second siding ring one end is connected in series adjustable resistance I9 and reometer I12 respectively, adjustable resistance II10 and reometer II13, adjustable resistance III11 and reometer III14, the whole ground connection of the second siding ring other end, the normally opened contact two ends of button 16 and the superpotential alarm actuating contact 17 of aforementioned digital programmable voltage Table I 4, superpotential alarm actuating contact 18 parallel connections of digital programmable voltage Table II 5, parallel circuit is connected between timer 15+5V and the IN2 end, as the start-up circuit of timer 15, the AC1 of timer 15, AC2 termination alternating current 220V power supply.
5.9.10 clause regulation in the standard GB 15576 " device to automatic control switching is provided with the power-frequency overvoltage protection, when being applied to device voltage greater than 1.1 times of rated voltages, should in 1 minute capacitor be excised ".The utility model can carry out the test that this regulation requires, and three-phase regulator 2 range of regulation are 0-450V, and the output voltage of three-phase regulator 2 can be adjusted to detected three phase capacitance cabinet rated voltage 1.1 times, as test voltage.The range of regulation of single-phase voltage regulating device 3 is 0-250V, can be used as the test voltage of single-phase capacitance cabinet.Digital programmable voltage Table I 4, digital programmable voltage Table II 5 can be passed through programmed settings superpotential actuation of an alarm magnitude of voltage.With test three phase capacitance cabinet is example, programmable voltage Table I 4 actuation of an alarm magnitudes of voltage are set at 1.1 times of capacitor box rated voltage, when the voltage that is added in the three phase capacitance cabinet when pressure regulator 2 reaches 1.1 times of capacitor box rated voltage, programmable voltage Table I 4 is reported to the police, and the tester can use timing tool timing such as stopwatch; The perhaps timer 15 that provides of service test platform, owing to programmable voltage Table I 4 alarm actuating contacts 17 closures this moment, timer 15 is started automatically, pick up counting, can the testing capacitor cabinet move in 1 minute after the overvoltage, if the building-out capacitor cabinet mute time surpasses 1 minute, then reset time and excision voltage that compensating controller is set, make it meet national standard.Also be provided with button 16 in the operating circuit of timer 15, be used to manually boot timer 15.
The utility model can also be tested the automatic input and the excision of capacitor compensation cabinet, it is 1 sampling current and one tunnel leading sampling current, one tunnel hysteresis sampling current that this test request provides one tunnel power factor, so that the debugging capacitive compensator drops into automatically, keeps and the excision state.It is the safe voltage measuring current of 6V that A, the B of capacitor compensation cabinet testing table circuit, C end can provide voltage, and size of current can be regulated in 3～10A scope.This three-phase current phase place and supply voltage phase-locking, wherein B is synchronous with capacitance compensation control voltage, and A is leading its 120 ° of phasing degree mutually, and C falls behind its 120 ° of phasing degree mutually.For the debugging capacitor box, need its automatic input, the C phase current that lags behind can be inserted the sampling end of compensating controller; When needs excise, as long as sampling current disconnected or insert leading A phase current.
In addition to the implementation, the utility model can also have other embodiment, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (3)
1. capacitor compensation cabinet testing table circuit, it is characterized in that, by isolating switch (1), three-phase regulator (2), single-phase voltage regulating device (3), digital programmable voltage Table I (4), digital programmable voltage Table II (5), 220V/6V isolating transformer I (6), isolating transformer II (7), isolating transformer III (8), adjustable resistance I (9), adjustable resistance II (10), adjustable resistance III (11), reometer I (12), electric current Table II (13), electric current Table III (14) is formed, three-phase alternating-current supply is delivered to three-phase regulator (2) through isolating switch (1), the voltage signal input end of digital programmable voltage table (4) is connected to the voltage output end of three-phase regulator (2), be used for measuring its output voltage of demonstration, single-phase voltage regulating device (3) is connected to single phase poaer supply, the voltage signal input end of digital programmable voltage Table II (5) is connected to the voltage output end of single-phase voltage regulating device (3), be used for measuring its output voltage of demonstration, isolating transformer I (6), isolating transformer II (7), isolating transformer III (8) first siding ring is connected to power supply L1 respectively, L2, between L3 and the N line, its second siding ring one end is connected in series adjustable resistance I (9) and reometer (12) respectively, adjustable resistance II (10) and electric current Table II (13), adjustable resistance III (11) and electric current Table III (14), the whole ground connection of the second siding ring other end, the range of regulation of described three-phase regulator (2) is 0-450V, and the range of regulation of described single-phase voltage regulating device (3) is 0-250V.
2. capacitor compensation cabinet testing table circuit according to claim 1 is characterized in that the model of described digital programmable voltage Table I (4) is PZ-80AV3/J, and the model of described digital programmable voltage Table II (5) is PZ-80AV1/J.
3. capacitor compensation cabinet testing table circuit according to claim 1 and 2, it is characterized in that, also comprise digital timer (15) and button (16), the model of described digital timer (15) is ETR-DB-S1, the superpotential alarm actuating contact (17) of the normally opened contact two ends of described button (16) and described digital programmable voltage Table I (4), superpotential alarm actuating contact (18) parallel connection of digital programmable voltage Table II (5), the parallel circuit two ends are connected between digital timer (15)+5V and the IN end, as the start-up circuit of digital timer (15), the AC1 of digital timer (15), AC2 termination alternating current 220V power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202176272U CN201344958Y (en) | 2008-12-03 | 2008-12-03 | Test bench circuit of capacitance compensation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202176272U CN201344958Y (en) | 2008-12-03 | 2008-12-03 | Test bench circuit of capacitance compensation cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201344958Y true CN201344958Y (en) | 2009-11-11 |
Family
ID=41276540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202176272U Expired - Fee Related CN201344958Y (en) | 2008-12-03 | 2008-12-03 | Test bench circuit of capacitance compensation cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201344958Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487681A (en) * | 2013-09-11 | 2014-01-01 | 苏州市龙源电力科技股份有限公司 | Alternating current voltage-adjusting resistor cart |
| CN104638660A (en) * | 2014-12-09 | 2015-05-20 | 遵义市产品质量检验检测院 | Processing program for automatic switching experiment device of capacitor compensation cabinet |
| CN107817371A (en) * | 2017-09-04 | 2018-03-20 | 扬州德云电气设备集团有限公司 | A kind of switch cubicle tests bench control system |
| CN108279345A (en) * | 2018-02-05 | 2018-07-13 | 中铁武汉电气化局集团有限公司 | A kind of electric substation's power transmission verifying attachment |
| CN110412392A (en) * | 2019-09-10 | 2019-11-05 | 珠海市可利电气有限公司 | A kind of reactive compensation automatic switching detection device and its detection method |
-
2008
- 2008-12-03 CN CNU2008202176272U patent/CN201344958Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487681A (en) * | 2013-09-11 | 2014-01-01 | 苏州市龙源电力科技股份有限公司 | Alternating current voltage-adjusting resistor cart |
| CN104638660A (en) * | 2014-12-09 | 2015-05-20 | 遵义市产品质量检验检测院 | Processing program for automatic switching experiment device of capacitor compensation cabinet |
| CN107817371A (en) * | 2017-09-04 | 2018-03-20 | 扬州德云电气设备集团有限公司 | A kind of switch cubicle tests bench control system |
| CN108279345A (en) * | 2018-02-05 | 2018-07-13 | 中铁武汉电气化局集团有限公司 | A kind of electric substation's power transmission verifying attachment |
| CN110412392A (en) * | 2019-09-10 | 2019-11-05 | 珠海市可利电气有限公司 | A kind of reactive compensation automatic switching detection device and its detection method |
| CN110412392B (en) * | 2019-09-10 | 2024-04-02 | 珠海市可利电气有限公司 | Reactive compensation automatic switching detection device and detection method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201344958Y (en) | Test bench circuit of capacitance compensation cabinet | |
| CN102608404B (en) | Voltage sampling circuit and controller applicable to dual-power automatic transfer switch | |
| CN202736328U (en) | Metering program control analog device | |
| CN108020804A (en) | A kind of system and method for being used to carry out capacitance type potential transformer site error on-line checking | |
| CN204536484U (en) | Integration insulation, pressure resistant testing device | |
| CN106772208B (en) | Single three-phase meter integrated reliability test board | |
| CN102707173A (en) | Tester | |
| CN204575760U (en) | A kind of assembled electric cabinet pick-up unit with reactive-load compensation verification | |
| CN202939885U (en) | Electrical measuring instrument simulation training apparatus | |
| CN203705523U (en) | Multifunctional integrated comprehensive test bench | |
| CN203204081U (en) | Tester | |
| CN207965116U (en) | A kind of field test equipment of fault electric arc detector | |
| Fuzhou et al. | Error analysis of capacitor voltage transformer in the operation environment | |
| CN202041606U (en) | Frequency tripling transformer load test device | |
| CN102455395B (en) | Method for testing high-voltage power supply and power distribution system loop | |
| CN201535804U (en) | Power-frequency overvoltage protection tester of reactive power compensation device | |
| CN203705524U (en) | Universal multifunctional integrated comprehensive test bench | |
| CN202794466U (en) | Track traffic motor testing device | |
| CN201697974U (en) | Cable and wireless integral nuclear phase instrument | |
| CN102539867A (en) | Intelligent phase voltammeter and measurement method thereof | |
| CN111413893B (en) | Wireless current collection system for starting and debugging of ultra-high voltage power transmission and transformation project | |
| CN201387442Y (en) | Digital double-clamp phase volometer | |
| CN201210170Y (en) | Multifunctional electric grid examine integrated tester | |
| CN103630763A (en) | Alternating-current power supply three-phase unbalanced drop simulator and simulation method | |
| CN210090657U (en) | Active detector of electric energy metering device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20141203 |
|
| EXPY | Termination of patent right or utility model |