CN102967830A - Portable power angle monitoring and analyzing instrument for test of synchronous generator - Google Patents
Portable power angle monitoring and analyzing instrument for test of synchronous generator Download PDFInfo
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- CN102967830A CN102967830A CN2012104610515A CN201210461051A CN102967830A CN 102967830 A CN102967830 A CN 102967830A CN 2012104610515 A CN2012104610515 A CN 2012104610515A CN 201210461051 A CN201210461051 A CN 201210461051A CN 102967830 A CN102967830 A CN 102967830A
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Abstract
The invention provides a portable power angle monitoring and analyzing instrument for a test of a synchronous generator. A touch type industrial tablet personal computer is adopted for controlling a programmable controller system through an Ethernet bus so that a three-phase voltage signal, a three-phase current signal, a rotating speed signal, a key-phase pulse signal and other signals at the end of the synchronous generator are acquired, calculated and analyzed at a high speed in real time, and the power angle of the generator is directly, reliably and accurately measured and analyzed in real time. The portable power angle monitoring and analyzing instrument is of a firm embedded structure which can be reset and can be used for precisely timing; the portable power angle monitoring and analyzing instrument is compact in structure, capable of effectively reducing noise effects, wide in supported working temperature range and strong in antijamming capability so as to be suitable for various adverse industrial environments. The formed portable power angle monitoring and analyzing instrument for the test of the synchronous generator can be used for realizing real-time high-speed acquisition, calculation and analysis and is suitable for realizing real-time monitoring and analysis for the power angle of the generator in various industrial environments.
Description
Technical field
The present invention relates to the diligent angle of a kind of Portable synchronous generator test monitoring analyzer
Background technology
Along with the fast development of power industry, the capacity of system constantly increases, and its safe and stable operation is more and more important.Long-term operating experience shows whether closely related with its running status the safety of system's operation is, and generator is the major equipment in the electric system, and whether it can stable operation then become the key that power system stability is moved.An important parameter of generator energy conversion is not still reflected at the merit angle of generator, is the important symbol amount of generator stable operation yet.By monitoring the variation at merit angle, for the analysis of generator in unusual, fault and unstability situation thereof, provide very important reference frame.Therefore, the variation at real-time monitoring analysis merit angle has great importance to guaranteeing security of system, stable, urgent operation to the running status of grasping all sidedly the electric system each several part.Thus, the merit angle of generator is a very important monitoring variable in the electric system.At present, the research based on the operation of power networks real-time monitoring system of GPS in the electric system is very extensive, and the present invention does not adopt GPS but by adopting high performance damascene structures to realize the real-time computation and measurement of generator's power and angle in the generator test process.
Summary of the invention
The invention provides a kind of by the parameter measurements such as Generator end three-phase voltage, electric current, rotating speed, the pulse of key phase, computational analysis are realized the diligent angle of the Portable synchronous generator test monitoring analyzer to the real time monitoring and analyzing of generator's power and angle.The present invention is achieved by the following technical solutions: the diligent angle of a kind of Portable synchronous generator test monitoring analyzer, cabinet inside is divided into left part and right part, the external sensor connection terminal is installed on the case front panel of cabinet left part from left to right, the Ethernet external interface, left part is installed take the virtual instrument real-time technique as core in the cabinet, by real-time controller, integrated circuit board slot cabinet, the analog input module, the analog input module, the analog input module, counter module composition control device system, all modules link to each other with the outside by the external sensor connection terminal, inner and programmable gate array FPGA direct interconnection is carried out data acquisition, calculate and control operation, the power input mouth of real-time controller links to each other with the lead-out terminal of linear power supply, Ethernet interface II on the real-time controller with carry out system extension or external notebook after the Ethernet interface on the cabinet links to each other, the touch industrial panel computer of installing on Ethernet interface I on the real-time controller and the cabinet right part front panel is by the industry ethernet news that work of going forward side by side that link to each other, realize data acquisition control and transmission, the leaded screen layer of cabinet inside links to each other with the chassis earth terminal, externally fed supply socket and power switch are installed on the right part postnotum in the cabinet, the externally fed supply socket links to each other with linear power supply, is the whole system power supply.
The programable controller system that adopts during the present invention consists of is take the virtual instrument real-time technique as core, inserted in the integrated circuit board slot cabinet by the firm cabinet of a real-time controller, built-in reconfigurable on-site programmable gate array FPGA chip and embedded analog input module, counter module to combine.Real-time controller comprises a technical grade processor, can reliably and exactly carry out the LabVIEW real-time application, and can provide multi rate control, process to carry out to follow the tracks of, plate carries the data storage and with the function such as external unit communication.The reconfigurable cabinet of embedded reconfigurable on-site programmable gate array FPGA chip is the core of embedded system architecture.Reconfigurable on-site programmable gate array FPGA chip in the cabinet directly links to each other with each input/output module, but the functions such as high speed access I/O circuit and flexibly realization timing, isopachics.Because the direct-connected reconfigurable on-site programmable gate array FPGA chip of each input/output module, but not pass through bus, so compare with other industrial control unit (ICU)s, the selected controller of native system does not almost have the operating lag of control system, under the default situations, automatic and the I/O module communication of this reconfigurable on-site programmable gate array FPGA chip, and provide determinacy I/O to real-time processor, because logic has been compiled in the physical hardware design.Physical hardware has just become a very reliably hardware chip like this, the LabVIEW FPGA code that moves at reconfigurable on-site programmable gate array FPGA chip is very reliable, real-time processor is combined with programmable FPGA, so just can creates a system that can utilize each computing platform advantage.Real-time processor is good at Floating-point Computation, analyze and PERCOM peripheral communication, FPGA is good at and processes the small tasks that needs very high speed logic computing and accurate timing, this structure needing to be well suited for complex calculation, the measuring power angle of analysis and accurate timing, calculate and analyze, this programable controller system is that the firm embedded controller that high-performance observing and controlling application and high reliability demand design encapsulates small and exquisite firm, can effectively reduce noise effect, the operating temperature range of supporting is wide, antijamming capability is strong, therefore be fit to various abominable industrial environments, the diligent angle of the Portable synchronous generator test monitoring analyzer that consists of thus, can realize the real time high-speed collection, calculate, analyze, good anti-interference, small and exquisite structure, make its suitable various industrial environments and be suitable for portable use, therefore can in any industrial environment, realize the Real Time Monitoring to generator's power and angle.
Adopt touch industrial panel computer to control programable controller system by industry ethernet among the present invention, realization is to synchronous generator machine end three-phase voltage, three-phase current, rotating speed, the high speed acquisition of the signals such as key phase pulse, process and analyze, realized to generator's power and angle directly, reliable and accurate real-time measurement, the programable controller system that adopts during the present invention consists of is take the virtual instrument real-time technique as core, by a real-time controller, the firm cabinet of built-in reconfigurable on-site programmable gate array FPGA chip and embedded analog input module, counter module inserts in the integrated circuit board slot cabinet and combines.Real-time controller comprises a technical grade processor, can reliably and exactly carry out the LabVIEW real-time application, and can provide multi rate control, process to carry out to follow the tracks of, plate carries the data storage and with the function such as external unit communication, the reconfigurable cabinet of embedded reconfigurable on-site programmable gate array FPGA chip is the core of embedded system architecture, reconfigurable on-site programmable gate array FPGA chip in the cabinet directly links to each other with each input/output module, but the functions such as high speed access I/O circuit and flexibly realization timing, isopachics.Because the direct-connected reconfigurable on-site programmable gate array FPGA chip of each input/output module, but not by bus, so compare with other industrial control unit (ICU)s, the selected controller of native system does not almost have the operating lag of control system.Under the default situations, automatic and the I/O module communication of this reconfigurable on-site programmable gate array FPGA chip, and provide determinacy I/O to real-time processor, because logic has been compiled in the physical hardware design, physical hardware has just become a very reliably hardware chip like this, and the LabVIEW FPGA code that moves at reconfigurable on-site programmable gate array FPGA chip is very reliable.Real-time processor is combined with programmable FPGA, so just can create a system that can utilize each computing platform advantage, real-time processor is good at Floating-point Computation, analysis and PERCOM peripheral communication, and FPGA is good at and processes the small tasks that needs very high speed logic computing and accurate timing.This structure needing to be well suited for measuring power angle, the calculating of complex calculation, analysis and accurate timing and to analyze.This programable controller system is that the firm embedded controller that high-performance observing and controlling application and high reliability demand design encapsulates small and exquisite firm, can effectively reduce noise effect, the operating temperature range of supporting is wide, antijamming capability is strong, therefore be fit to various abominable industrial environments, the diligent angle of the Portable synchronous generator test monitoring analyzer that consists of thus, can realize the real time high-speed collection, calculate, analyze, good anti-interference, small and exquisite structure, make its suitable various industrial environments and be suitable for portable use, therefore can in any industrial environment, realize the Real Time Monitoring to generator's power and angle.
During consisting of, the present invention adopt touch industrial panel computer to control programable controller system by industry ethernet, realization has realized directly, the reliably and accurately real-time Measurement and analysis to generator's power and angle to real time high-speed collection, calculating and the analysis of the signals such as synchronous generator machine end three-phase voltage, three-phase current, rotating speed, the pulse of key phase.The present invention adopts firm the replacement and the damascene structures of accurate timing, compact conformation, can effectively reduce noise effect, the operating temperature range of supporting is wide, antijamming capability is strong, therefore is fit to various abominable industrial environments, the diligent angle of the Portable synchronous generator test monitoring analyzer that consists of thus, can realize real time high-speed collection, calculating, analysis, make it be adapted in the various industrial environments realizing Real Time Monitoring to generator's power and angle.Realized the function of the cabinet type phase angle monitoring instrument of the large volume that lot of domestic and foreign power station, test place are used, comparatively speaking, good anti-interference, small and exquisite structure, it is convenient for carrying can use in any abominable industrial environment, is particularly useful in the test of synchronous generator.
Description of drawings
Fig. 1 is structural representation of the present invention
Fig. 2 is circuit catenation principle figure of the present invention
Embodiment
The diligent angle of a kind of Portable synchronous generator test monitoring analyzer as shown in Figure 1, cabinet 16 interior separations are two parts: left part and right part, external sensor connection terminal 10 is installed on the case front panel of cabinet left part from left to right, Ethernet external interface 11, cabinet 16 interior left parts are installed take the virtual instrument real-time technique as core, have the high-performance embedded high-speed data acquisition of reconfigurable programmable gate array FPGA and the programable controller system of record analysis.Programable controller system comprises real-time controller 5, integrated circuit board slot cabinet 18, analog input module 6, analog input module 7, analog input module 8, counter module 9, real-time controller 5, real-time controller model: NI CRIO 9024, adopt the systemic circulation dither cycle of this real-time controller structure in delicate level, therefore system's determinacy, reliability are high, integrated circuit board slot cabinet 18, integrated circuit board slot cabinet model: analog input module 6 is installed successively, analog input module model: NI9225 in the slot of NI9114; Analog input module 7, analog input module model: NI9227; Analog input module 8, analog input module model: NI9221; Counter module 9, counter module model: NI9423, module and reconfigurable programmable gate array FPGA direct interconnection can be carried out data acquisition, calculating and control operation at a high speed.The power input mouth 13 of real-time controller 5 links to each other with the lead-out terminal 2 of linear power supply 1.Ethernet interface II14 on the real-time controller 5 links to each other with Ethernet interface 11 on the cabinet.The touch industrial panel computer 12 of installing on Ethernet interface I15 on the real-time controller 5 and the cabinet right part front panel, touch industrial panel computer model; The Ethernet interface of NI TPC2212 links to each other, link to each other and communication by industry ethernet, realize data acquisition control and transmission, the shielding end of all wiring of cabinet inside links to each other with chassis earth terminal 17, externally fed supply socket 4 and power switch 3 are installed on the right part postnotum in the cabinet, externally fed supply socket 4 links to each other with linear power supply 1, is the whole system power supply.
The present invention is fixed on Chaoyang linear power supply 1 on the cabinet 16 inner right part base plates, external power source terminals 4, and Chaoyang linear power supply 1 links to each other by external power source with external power source terminals 4 by going between be the whole system power supply; By power supply lead wire Chaoyang linear power supply output terminal 2 is connected respectively to: real-time controller 5, real-time controller 5 models: power input 13 and the touch industrial panel computer 12 of NI CRIO 9024 power supplies, the model of touch industrial panel computer 12; Power interface on the NI TPC 2212, real-time controller 5 and integrated circuit board slot cabinet 18, integrated circuit board slot cabinet 18 models: NI9114 is connected, and be fixed on the cabinet left part base plate, adopt the programable controller system of this structure can realize high speed and real time sampling and the analysis of data, integrated circuit board slot cabinet model: analog input module 6 is installed successively, analog input module model: NI9225 in the slot of NI9114; Analog input module 7, analog input module model: NI9227; Analog input module 8, analog input module model: NI9221; Counter module 9, counter module model: NI9423, the module upper terminal links to each other with external sensor by external sensor connection terminal 10, inner and programmable gate array FPGA direct interconnection and reconfigurable programmable gate array FPGA direct interconnection can be carried out data acquisition, calculating and the control operation of high speed.The power input mouth 13 of real-time controller 5 links to each other with the lead-out terminal 2 of linear power supply 1.Ethernet interface II14 on the real-time controller 5 links to each other with Ethernet interface 11 on the cabinet.The touch industrial panel computer 12 of installing on Ethernet interface I15 on the real-time controller 5 and the cabinet right part front panel, touch industrial panel computer model; The Ethernet interface of NI TPC 2212 links to each other, and links to each other and communication by industry ethernet, realizes data acquisition control and transmission.The leaded screen layer of cabinet inside links to each other with chassis earth terminal 17.Externally fed supply socket 4 and power switch 3 are installed on the right part postnotum in the cabinet, externally fed supply socket 4 links to each other with linear power supply 1, be the whole system power supply, programable controller system passes through machine end three-phase voltage, three-phase current, and rotating speed and key mutually the parameter of pulse etc. collection, process and analyze, realization is to the real time monitoring and analyzing of generator's power and angle.
Claims (1)
1. the diligent angle of Portable synchronous generator test monitoring analyzer, it is characterized in that: cabinet (16) interior separation is left part and right part, external sensor connection terminal (10) is installed on the case front panel of cabinet left part from left to right, Ethernet external interface (11), the interior left part of cabinet (16) is installed take the virtual instrument real-time technique as core, by real-time controller (5), integrated circuit board slot cabinet (18), analog input module (6), analog input module (7), analog input module (8), the controller system that counter module (9) forms, all modules link to each other with the outside by external sensor connection terminal (10), inner and programmable gate array FPGA direct interconnection is carried out data acquisition, calculate and control operation, the power input mouth (13) of real-time controller (5) links to each other with the lead-out terminal (2) of linear power supply (1), Ethernet interface II(14 on the real-time controller (5)) with after Ethernet interface (11) on the cabinet links to each other carry out system extension or external notebook, Ethernet interface I(15 on the real-time controller (5)) with cabinet right part front panel on the touch industrial panel computer (12) installed by the industry ethernet news that work of going forward side by side that link to each other, realize data acquisition control and transmission, the leaded screen layer of cabinet inside links to each other with chassis earth terminal (17), externally fed supply socket (4) and power switch (3) are installed on the right part postnotum in the cabinet, externally fed supply socket (4) links to each other with linear power supply (1), is the whole system power supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104610515A CN102967830A (en) | 2012-11-16 | 2012-11-16 | Portable power angle monitoring and analyzing instrument for test of synchronous generator |
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| CN2012104610515A CN102967830A (en) | 2012-11-16 | 2012-11-16 | Portable power angle monitoring and analyzing instrument for test of synchronous generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105572590A (en) * | 2015-12-22 | 2016-05-11 | 国电南瑞科技股份有限公司 | Generator power angle measurement method based on RFID |
| CN105954677A (en) * | 2016-07-15 | 2016-09-21 | 中核(天津)科技发展有限公司 | Motor performance parameter rapid acquisition device |
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| CN105954677A (en) * | 2016-07-15 | 2016-09-21 | 中核(天津)科技发展有限公司 | Motor performance parameter rapid acquisition device |
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Application publication date: 20130313 |