CN205229416U - Power system stabilizer integration testing arrangement - Google Patents
Power system stabilizer integration testing arrangement Download PDFInfo
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- CN205229416U CN205229416U CN201520687243.7U CN201520687243U CN205229416U CN 205229416 U CN205229416 U CN 205229416U CN 201520687243 U CN201520687243 U CN 201520687243U CN 205229416 U CN205229416 U CN 205229416U
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- 238000012360 testing method Methods 0.000 title claims abstract description 54
- 239000003381 stabilizer Substances 0.000 title claims abstract description 29
- 230000010354 integration Effects 0.000 title abstract 3
- 238000004458 analytical method Methods 0.000 claims abstract description 15
- 238000002955 isolation Methods 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 8
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 claims description 2
- 230000005284 excitation Effects 0.000 abstract description 17
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000013500 data storage Methods 0.000 abstract 1
- 239000004973 liquid crystal related substance Substances 0.000 abstract 1
- 238000013522 software testing Methods 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 230000000172 allergic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model provides a power system stabilizer integration testing arrangement, power system stabilizer integration testing arrangement constitutes including record mode piece, dynamic signal analysis module, the industry control processor module who takes liquid crystal display, data storage module and signal isolation module. The utility model provides a can effectively detect the testing arrangement of the various performances of check -up excitation system PSS, the complicated wiring between each device among the current testing method, the efficiency of software testing and the security that have improved the device have been saved to it. The utility model has the characteristics of measurement accuracy is high, both can realize that generating set excitation system PSS is experimental also to be applicable to generating set excitation system build pattern experimentally and synchronous generator advances experimentally mutually, and realizing wading the experimental testing arrangement of net by the generator, integrated and the security is high.
Description
Technical field
The utility model relates to a kind of power system stabilizer, PSS integrated test electricity testing device, belongs to electric power and send power transformation technology field.
Background technology
Along with the continuous expansion of electric system scale and the employing of quick response excitation system, the problem of low-frequency oscillation of electric power system is more and more outstanding, after the nationwide integrated power grid networking of special city, damping situation has obvious deterioration before comparatively networking, in this case, the power system stabilizer, PSS (PSS) of generator in system is dropped into and can obviously improve system damping situation.Power system stabilizer, PSS (PSS) controls for the one in generating plant excitation system is additional, it is by means of automatic voltage regulator control synchronization motor excitation, for damping power oscillation of power system, the quality of its performance directly has influence on the safety and stablization of electric system.Newly-built or after changing the excitation system of genset should carry out complete power system stabilizer, PSS (PSS) regulation experiment.Effectively electricity grid oscillating can be suppressed in order to make power system stabilizer, PSS (PSS), prevent genset from cutting machine event because of low-frequency oscillation, be necessary to adjust to the uncompensated characteristic of excitation system, PSS lead-lag, PSS critical gain and PSS counter debug to test test and verify.In DL/T843-2010 " Excitation of Large-sized Turbogenerator systems technology condition " and Q/GDW143-2012 " power system stabilizer, PSS regulation experiment directive/guide ", the properties of power system stabilizer, PSS (PSS) is retrained and specified.In prior art, power system stabilizer, PSS (PSS) parameter that different manufacturers is produced and performance all different, require for whether meeting respective standard, whether meet production application and require also to need to carry out by test checking of adjusting.At present, dynamic signal analyzer, oscillograph, multimeter, signal isolating device, isolating transformer and notebook computer etc. are comprised to the major equipment of excitation system PSS testing inspection, the wiring when testing of these equipment is complicated, inefficiency, and in excitation cell narrow space, easily generation is touched by mistake, the potential safety hazard such as short circuit causes machine of cutting even grid disconnection event.Therefore, be necessary that providing a kind of carries out scientific and effective integrated test unit to power system stabilizer, PSS (PSS), guarantees that its performance meets the requirement of the reliable and stable operation of power system security.
Summary of the invention
The purpose of this utility model is, provides power system stabilizer, PSS integrated test electricity testing device.
The technical solution of the utility model is, power system stabilizer, PSS integrated test electricity testing device is by recording mode block, dynamic signal analysis module, being with the industry control processor module of LCDs, data memory module and signal isolation module to form.The industry control processor module of described band LCDs connects dynamic signal analysis module, data memory module and signal isolation module respectively; The industry control processor module of described band LCDs is interconnected with record mode block.
The industry control processor module of described band LCDs is for analyzing the generator terminal voltage of record mode block input, machine end electric current, exciter current of generator, field voltage, calculating generator active power and reactive power, the overshoot of calculating step test, regulating time, rise time and the number of oscillation etc., select dynamic signal analysis module test signal source kind, control low frequency signal amplitude and frequency size, analytic record phase-frequency characteristic, calculate the uncompensated phase-frequency characteristic of exciter control system, the data of management data memory module store.Final realization is adjusted to the uncompensated feature measurement of excitation system, PSS lead-lag, PSS critical gain is measured, the test of generator voltage given step and anti-debugging of PSS are tested.
Described record mode block is used for generator unit stator voltage, stator current, field voltage, exciting current, merit angle etc. and carries out real time monitoring.
Described dynamic signal analysis module is used for the Low Frequency Sine Signals providing amplitude frequency controlled to field regulator, the uncompensated phase-frequency characteristic of actual measurement exciter control system.
Described data memory module is for storing record mode block recorded data.
The industry control processor module of described band LCDs for analyzing input signal in the record mode block in utility model, control the controlled Low Frequency Sine Signals of the amplitude frequency of dynamic signal analysis module, data that management data memory module stores.
Described signal isolation module for isolating the DC component in generator terminal voltage feedback signal, and can regulate DC component by external knob.
The profile of the utility model power system stabilizer, PSS integrated test electricity testing device is a rectangular box structure, described device profile is a rectangular box structure, be configured with the industry control processor with band LCDs, the right has Simple key board, the lower right corner has track ball mouse, and has left mouse button and right button; The lower left corner is configured with 2 USB interface, 1 network communication interface, 1 serial communication interface.
Described device possesses Presentation Function, can show input current voltage signal and active power, the amplitude of reactive power and waveform by LCDs.
Described device possesses 9 road alternating voltage input interfaces, 6 road alternating current input interfaces, 3 tunnel DC voltage input interfaces, 2 road milli width amount input interfaces, 1 road tach signal input interface, 1 road adjustable DC component interface, 1 road Low Frequency Sine Signals output interface, its output frequency and amplitude size can be arranged by dynamic signal analysis module.
Compared with prior art, the invention has the beneficial effects as follows: the utility model provides the proving installation of a various performance of scientific and effective detection check excitation system PSS, that eliminate the complicated wiring in existing test method between each device, improve testing efficiency and the security of device.It is high that the utility model has measuring accuracy, both can realize generator excitation system PSS test and also be applicable to generator excitation system modeling and synchronous generator leading phase test, and realize generator and relate to the feature that net experiment test device is integrated and security is high.
Accompanying drawing explanation
Fig. 1 is power system stabilizer, PSS integrated testing apparatus structure schematic diagram;
Fig. 2 is power system stabilizer, PSS integrated test electricity testing device front-operated panel schematic diagram;
Fig. 3 is power system stabilizer, PSS integrated test electricity testing device back panel schematic diagram;
Fig. 4 realizes excitation system power system stabilizer, PSS test connection figure for utilizing this device;
In figure, 1-6 is alternating voltage input channel; 7-9 is alternating current pincers input channels; 10 to 12 is alternating current input channel; 13 is tach signal input channel; 14,16,17 is DC voltage input channel; 15,18 is millivolt amount input channel; 19,20,21 is generator terminal voltage feedback input signal; 22 is Low Frequency Sine Signals output channel; 23 is DC component adjustment passage; 24 is device button; 25 is installation's power source; 26 is device earth point; 100 is USB interface; 200 is network interface communication; 300 is serial communications; 400 is left mouse buttons; 500 is right mouse buttons; 600 is keyboards; 700 is LCDs; 800 is track ball mouses.
Embodiment
Embodiment of the present utility model as shown in Figure 1, Figure 2 and Figure 3.
The present embodiment power system stabilizer, PSS integrated test electricity testing device as shown in Figure 1, is made up of record mode block, signal isolation module, dynamic signal analysis module, the industry control processor module of band LCDs, data memory module.Dynamic signal analysis module can export random Low Frequency Sine Signals; Signal isolation module can isolate generator terminal voltage feedback signal DC component; Record mode block is for monitoring Stator voltage, stator current, rotor voltage, rotor current, active power, reactive power and merit angle; With the output signal of signal dynamics signal analyse block, the data of managed storage module in the industry control processor module control and management utility model of LCDs.Performance test below in conjunction with this device reality tells about concrete enforcement of the present utility model.
Fig. 2 is the device front-operated panel schematic diagram of the present embodiment power system stabilizer, PSS integrated test electricity testing device.In figure, 100 is USB interface, and 200 is network interface communication interface, and 300 is serial communication interface, and 400 is left mouse button, and 500 is right mouse button, and 600 is keyboard, and 700 is LCDs, and 800 is track ball mouse.Fig. 3 is the device gear wiring diagram of the present embodiment power system stabilizer, PSS integrated test electricity testing device, 26 passages altogether, from upper left side, down (L ~ N is a passage) is respectively 1 to 6 passage is alternating voltage input channel, 7 to 9 is alternating current pincers input channel, 10 to 12 is alternating current input channel, 13 is tach signal input channel (monitoring generator's power and angle characteristic), 14, 16, 17 is DC voltage input channel, 15, 18 is millivolt amount input channel, 19, 20, 21 is generator terminal voltage feedback input signal, 22 is Low Frequency Sine Signals output channel, 23 is DC component adjustment passage, 24 is device button, 25 is installation's power source, 26 is device earth point.
Fig. 4 is that the present embodiment realizes excitation system PSS test connection figure, for ensureing that in power system stabilizer, PSS integrated test electricity testing device, dynamic signal analysis module output signal does not disturb by outer signals source, before installation's power source, access an isolation become, for ensureing security power system stabilizer integrated test electricity testing device and isolation allergic effect reliable ground.Concrete wiring condition: first need the signal gathered to have generator unit stator voltage, stator current, field voltage, exciting current and tach signal; Choose 1 to 3 channel acquisition stator voltage, due to needs calculating generator active power and reactive power in a device, therefore delta connection is adopted, by the L shorting stub short circuit of the N of 1 passage and the L of 2 passages, the N of 2 passages and the L of 3 passages, the N of 3 passages and 1 passage, the L of 1,2,3 passages is connected to A, B, C phase of generator terminal voltage successively; Utilize alternating current to clamp collection generator unit stator three-phase current and be connected to 7,8,9 passages; Field voltage is connected to 14 channel acquisition field voltages; Due to the weak electric signal that exciting current is 4 ~ 20mV after frequent transmitter is changed, so be connected to 15 channel acquisition exciting currents; The tach signal of Generator end is connected to 13 passages, according to on-site actual situations resize ratio; The active power of generator and reactive power calculate and obtain, in the industry control processor module of band LCDs, choose display; Generator terminal voltage is fed back to 19,20,21 passages, utilize multimeter DC current shelves to measure the DC component of 23 passages, regulate 23 channel DC component knobs until multimeter is shown as zero locking adjustable DC component button; The industry control processor module of band LCDs is utilized to control the Low Frequency Sine Signals (being commonly called as white noise, random signal) of dynamic signal analysis module, by the probe of 22 passages access AVR(field regulator) PSS embed point, the uncompensated phase-frequency characteristic of actual measurement exciter control system, calculate exciter control system according to uncompensated phase-frequency characteristic data and have compensation phase-frequency characteristic, determine power system stabilizer, PSS (PSS) parameter; Drop into PSS, slowly increase PSS gain, observe field voltage and occur persistent oscillation, PSS gain is now maximum gain; Get 1/3 or 1/5 of maximum PSS maximum gain for PSS gain, do and do not throw the test of PSS load current step and drop into PSS load current step and test, whether can effective power oscillation damping by comparatively validate PSS.
Claims (3)
1. a power system stabilizer, PSS integrated test electricity testing device, is characterized in that, described device is made up of the industry control processor module of dynamic signal analysis module, record mode block, signal isolation module, band LCDs and data memory module; The industry control processor module of described band LCDs connects dynamic signal analysis module, data memory module and signal isolation module respectively; The industry control processor module of described band LCDs is interconnected with record mode block.
2. power system stabilizer, PSS integrated test electricity testing device according to claim 1, it is characterized in that, described device profile is a rectangular box structure, be configured with the industry control processor with band LCDs, the right has Simple key board, the lower right corner has track ball mouse, and has left mouse button and right button; The lower left corner is configured with 2 USB interface, 1 network communication interface, 1 serial communication interface.
3. power system stabilizer, PSS integrated test electricity testing device according to claim 1, it is characterized in that, described device possesses 9 road alternating voltage input interfaces, 6 road alternating current input interfaces, 3 tunnel DC voltage input interfaces, 2 road milli width amount input interfaces, 1 road tach signal input interface, 1 road adjustable DC component interface, 1 road Low Frequency Sine Signals output interface, its output frequency and amplitude size can be arranged by dynamic signal analysis module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520687243.7U CN205229416U (en) | 2015-09-08 | 2015-09-08 | Power system stabilizer integration testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520687243.7U CN205229416U (en) | 2015-09-08 | 2015-09-08 | Power system stabilizer integration testing arrangement |
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| CN205229416U true CN205229416U (en) | 2016-05-11 |
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| CN201520687243.7U Active CN205229416U (en) | 2015-09-08 | 2015-09-08 | Power system stabilizer integration testing arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109587653A (en) * | 2019-01-11 | 2019-04-05 | 贵州远诚自控科技有限公司 | It is a kind of based between somewhere non-transformer and two places again be not easy to wiring signal synchronizing device |
-
2015
- 2015-09-08 CN CN201520687243.7U patent/CN205229416U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109587653A (en) * | 2019-01-11 | 2019-04-05 | 贵州远诚自控科技有限公司 | It is a kind of based between somewhere non-transformer and two places again be not easy to wiring signal synchronizing device |
| CN109587653B (en) * | 2019-01-11 | 2022-06-21 | 贵州远诚自控科技有限公司 | Signal synchronization device based on no power supply at one place and inconvenient wiring between two places |
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