CN102967829A - Portable monitoring and analyzing instrument for temperature rise test of large generator - Google Patents
Portable monitoring and analyzing instrument for temperature rise test of large generator Download PDFInfo
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- CN102967829A CN102967829A CN2012104609486A CN201210460948A CN102967829A CN 102967829 A CN102967829 A CN 102967829A CN 2012104609486 A CN2012104609486 A CN 2012104609486A CN 201210460948 A CN201210460948 A CN 201210460948A CN 102967829 A CN102967829 A CN 102967829A
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Abstract
The invention discloses a portable monitoring and analyzing instrument for a temperature rise test of a large 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 stator voltage signal, a three-phase stator current signal, a rotating speed signal, a rotor voltage signal, a rotor current signal, a stator winding signal, a key point temperature signal and other signals of the large generator are acquired, calculated and analyzed at a high speed in real time, problems existing in temperature rise are found, the design characteristic of the generator can be tested, and thus, the temperature rise of the generator is prevented from being overhigh in the running process; the possible temperature change conditions of all parts are known when the generator runs under load so that the temperature change value is controlled in a limited range, the insulation aging is slowed down, and the service life of the generator is prolonged; and the portable monitoring and analyzing instrument provides powerful test reference data for the safe and stable running of the generator.
Description
Technical field
The present invention relates to a kind of portable high-rating generator temperature rise 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.Generator owing to the existence of various losses, will make stator winding, rotor winding and the iron core heating of generator and cause generator-temperature detection to raise when operation.If each temperature has surpassed the permission working temperature of insulating material, insulation ag(e)ing is accelerated, thereby greatly shortened the serviceable life of generator.The temperature rise test of generator is exactly in order to understand generator when the operation at rating, rated load ability and the overload capacity of generator; Draw generator in the regulation of line voltage that allows, and the maximal work power curve during different coolant temperature, thereby provide foundation in the operation under the abnormal condition for generator; Research generator each several part temperature and the relation of hot(test)-spot temperature occurred frequently are for estimating and improving electric generator structure and ventilation cooling system provides foundation.Understand generator when load carrying, the possible situation of change of each several part temperature, thus it can be controlled in the limit, guarantee the safe and reliable operation of generator.Generally, need a variety of surveying instruments in the temperature rise test process, test process is complicated, be the required time and efforts of adjusting instrument in the short form test process, we have developed portable high-rating generator temperature rise test monitoring analyzer, the monitoring analyzer volume is urinated in carrying, and can monitor required all electric weight, the non electrical quantity measured in the temperature rise test, and temperature rise correction and analysis after can measuring.
Summary of the invention
The invention provides a kind of by to the real time high-speed collection of the signals such as high-rating generator threephase stator voltage, threephase stator electric current, rotating speed, rotor voltage, rotor current, stator winding and key point temperature, calculate the portable high-rating generator temperature rise test monitoring analyzer with analysis.The present invention is achieved by the following technical solutions: a kind of portable high-rating generator temperature rise test monitoring analyzer, cabinet inside is divided into left part and right part, external sensor connection terminal I is installed on the cabinet front and back panel of cabinet left part from left to right, the Ethernet external interface, external sensor connection terminal II is installed on the cabinet rear panel of cabinet left part, 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, the analog input module, the analog input module, the analog input module, the analog input module, the controller system that counter module forms, reconfigurable on-site programmable gate array FPGA in the cabinet directly links to each other with module, carry 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 links to each other with the Ethernet interface on the cabinet, carry out system extension or external notebook computer, Ethernet interface I on the real-time controller (with the touch industrial panel computer of installing on the cabinet right part front panel by the industry ethernet news that work of going forward side by side that link to each other, realize control and transmission that system data gathers, 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 built-in reconfigurable on-site programmable gate array FPGA and 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 field programmable gate array (FPGA) chip and 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 is the core of embedded system architecture, reconfigurable on-site programmable gate array FPGA in the cabinet directly links to each other with each module, but the functions such as high speed access I/O circuit and flexibly realization timing, isopachics.Because the direct-connected FPGA of each module, but not by bus, so compare with other industrial control unit (ICU)s, native system does not almost have the operating lag of control system.Under the default situations, the automatic and I/O module communication of this FPGA, 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 LabVIEWFPGA code that moves at FPGA 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, 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 is well suited for carrying out the generator heat run test that the quantity of parameters monitoring is measured.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 portable high-rating generator temperature rise 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, carry out generator heat run test.
Adopt touch industrial panel computer to control programable controller system by industry ethernet among the present invention, realization is to high-rating generator threephase stator voltage, the threephase stator electric current, rotating speed, rotor voltage, rotor current, the real time high-speed collection of the signals such as stator winding and key point temperature, calculate and analyze, discovery temperature rise existing problems, can verify the design characteristics of generator, thereby the prevention generator temperature rise that is in operation is too high, understand generator when load carrying, the possible situation of change of each several part temperature, thereby it can be controlled in the limit, slow down insulation ag(e)ing, improve generator serviceable life, provide strong test reference data for guaranteeing the generator safe and stable operation.The programable controller system NI CRIO 9024 that the present invention adopts is take the virtual instrument real-time technique as core, combines in the slot that inserts the FPGA that is furnished with the programmable gate array that can reset by firm cabinet and embedded analog input module, the counter module of a real-time controller, built-in reconfigurable field programmable gate array (FPGA) chip.Under the default situations, the automatic and I/O module communication of this FPGA, 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 FPGA 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, 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 is well suited for carrying out the generator heat run test that the quantity of parameters monitoring is measured.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 portable high-rating generator temperature rise 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, carry out the temperature rise test of generator.
During consisting of, the present invention adopt touch industrial panel computer to control programable controller system by industry ethernet, realization is to high-rating generator threephase stator voltage, the threephase stator electric current, rotating speed, rotor voltage, rotor current, the real time high-speed collection of the signals such as stator winding and key point temperature, calculate and analyze, discovery temperature rise existing problems, can verify the design characteristics of generator, thereby the prevention generator temperature rise that is in operation is too high, understand generator when load carrying, the possible situation of change of each several part temperature, thereby it can be controlled in the limit, slow down insulation ag(e)ing, improve generator serviceable life, provide strong test reference data for guaranteeing the generator safe and stable operation.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 portable electric generator temperature rise test monitoring analyzer that consists of thus, can realize real time high-speed collection, calculating, analysis, make it be adapted at carrying out in the various industrial environments generator heat run test.Realize the lot of domestic and foreign power station, tested the function that the used large measuring appratus in place is monitored measurement, 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 high-rating 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
A kind of portable high-rating generator temperature rise test monitoring analyzer as shown in Figure 1, cabinet 16 interior separations are two parts: left part and right part, external sensor connection terminal I 10, external sensor connection terminal II 23 are installed on the cabinet front and back panel of cabinet left part from left to right, Ethernet external interface 11, cabinet 16 interior left parts are installed take LabVIEW virtual instrument technique 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, analog input module 9, analog input module 19, analog input module 20, analog input module 21, counter module 22.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, in eight slots of integrated circuit board slot cabinet model: NI 9114 analog input module 6 is installed successively, analog input module model: NI9225; Analog input module 7, analog input module model: NI9227; Analog input module 8, analog input module model: NI9225; Analog input module 9, analog input module model: NI9227; The analog input module, analog input module model: NI9217; Analog input module 21, analog input module model: NI9221; Counter module 22, counter module model: NI9423, the module upper terminal is by external sensor connection terminal I 10, external sensor connection terminal II 23 links to each other with external sensor, inside and programmable gate array FPGA direct interconnection, can carry out data acquisition at a high speed, 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 links to each other with Ethernet interface 11 on the cabinet and is used for expansion or the external notebook computer of system, the touch industrial panel computer 12 of installing on Ethernet interface I 15 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, and by the continuous news that work of going forward side by side of industry ethernet, realizes control and transmission that system data gathers.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, and 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, power input 13 and touch industrial panel computer 12 power interfaces of power supply, real-time controller 5 is connected with integrated circuit board slot cabinet 18, 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, analog input module 6 is installed in the slot of programable controller system successively, analog input module 7, analog input module 8, analog input module 9, analog input module 19, analog input module 20, analog input module 21, counter module 22, the module upper terminal is by external sensor connection terminal I 10, external sensor connection terminal II 23 links to each other with external sensor, data acquisition at a high speed can be carried out in inside and programmable gate array FPGA direct interconnection, 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 links to each other with Ethernet interface 11 on the cabinet.The touch industrial panel computer 12 of installing on Ethernet interface I 15 on the real-time controller 5 and the cabinet right part front panel is realized control and transmission that system data gathers by the industry ethernet news that work of going forward side by side that link to each other.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, and externally fed supply socket 4 links to each other with linear power supply 1, is the whole system power supply.Programable controller system passes through high-rating generator threephase stator voltage, the threephase stator electric current, rotating speed, rotor voltage, rotor current, the real time high-speed collection of the signals such as stator winding and key point temperature, calculate and analyze, discovery temperature rise existing problems, can verify the design characteristics of generator, thereby the prevention generator temperature rise that is in operation is too high, understand generator when load carrying, the possible situation of change of each several part temperature, thereby it can be controlled in the limit, slow down insulation ag(e)ing, improve generator serviceable life, provide strong test reference data for guaranteeing the generator safe and stable operation.
Claims (1)
1. portable high-rating generator temperature rise test monitoring analyzer, it is characterized in that: cabinet (16) interior separation is left part and right part, external sensor connection terminal I (10) is installed on the cabinet front and back panel of cabinet left part from left to right, Ethernet external interface (11), external sensor connection terminal II (23) is installed on the cabinet rear panel of cabinet left part, 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), analog input module (9), analog input module (19), analog input module (20), analog input module (21), the controller system that counter module (22) forms, reconfigurable on-site programmable gate array FPGA in the cabinet directly links to each other with module, carry 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) links to each other with Ethernet interface (11) on the cabinet, carry out system extension or external notebook computer, the touch industrial panel computer (12) of installing on Ethernet interface I (15) on the real-time controller (5) 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 control and transmission that system data gathers, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104609486A CN102967829A (en) | 2012-11-16 | 2012-11-16 | Portable monitoring and analyzing instrument for temperature rise test of large generator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104609486A CN102967829A (en) | 2012-11-16 | 2012-11-16 | Portable monitoring and analyzing instrument for temperature rise test of large generator |
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| CN102967829A true CN102967829A (en) | 2013-03-13 |
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| CN2012104609486A Pending CN102967829A (en) | 2012-11-16 | 2012-11-16 | Portable monitoring and analyzing instrument for temperature rise test of large generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104655307A (en) * | 2015-03-12 | 2015-05-27 | 哈尔滨电机厂有限责任公司 | Large-size high-speed motor stress and temperature monitoring system |
| CN105319503A (en) * | 2015-10-30 | 2016-02-10 | 哈尔滨工程大学 | High temperature superconductive motor monitoring system |
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| US20080100269A1 (en) * | 2006-10-27 | 2008-05-01 | Mitsubishi Electric Corporation | Controller of ac generator for vehicle |
| CN201273935Y (en) * | 2008-09-08 | 2009-07-15 | 中国北车股份有限公司 | DC motor test system |
| CN101813546A (en) * | 2009-12-07 | 2010-08-25 | 哈尔滨电机厂有限责任公司 | Portable gas sealability test monitoring analyzer of turbonator |
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2012
- 2012-11-16 CN CN2012104609486A patent/CN102967829A/en active Pending
Patent Citations (4)
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| US20080100269A1 (en) * | 2006-10-27 | 2008-05-01 | Mitsubishi Electric Corporation | Controller of ac generator for vehicle |
| CN201273935Y (en) * | 2008-09-08 | 2009-07-15 | 中国北车股份有限公司 | DC motor test system |
| CN101813546A (en) * | 2009-12-07 | 2010-08-25 | 哈尔滨电机厂有限责任公司 | Portable gas sealability test monitoring analyzer of turbonator |
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Non-Patent Citations (2)
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| 杨刚等: "多通道在线电机温升测试和分析系统的设计", 《电机与控制应用》, vol. 35, no. 10, 31 December 2008 (2008-12-31), pages 47 - 50 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104655307A (en) * | 2015-03-12 | 2015-05-27 | 哈尔滨电机厂有限责任公司 | Large-size high-speed motor stress and temperature monitoring system |
| CN105319503A (en) * | 2015-10-30 | 2016-02-10 | 哈尔滨工程大学 | High temperature superconductive motor monitoring system |
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Application publication date: 20130313 |