Multifunctional ligand electric terminals integrated test system
This utility model relates to a kind of multifunctional ligand electric terminals integrated test system.
It is on-the-spot that distribution power automation terminal (including line feed terminals FTU and station institute terminal D TU) is installed on medium voltage distribution network.It matches with the switchgear in power distribution network, it is achieved power distribution network information gathering, condition monitoring, fault detect, positions and isolates, it is ensured that power distribution network safety, economical, run reliably, be distribution network automated in significant components.The supply producer of domestic existing monitoring of electric power terminal equipment is many, batch is many, equipment level is uneven, operating condition is unstable, need badly effective technical supervision means the new monitoring of electric power terminal that networks and newly put into operation is standardized, automatization, the detection test of overall process, to ensure the perfect in shape and function of log equipment and system and functional.At present the test major part of distribution terminal is also performed manually by, the equipment of test is the most multifarious, most testing tools using transformer station's terminal unit unit (RTU) take remote measurement the test of function, switching value simulator is used to carry out the test of remote signalling and distant control function, means of testing disperses, simply, being affected by artifact, measuring accuracy and efficiency are the lowest, and do not possess the condition carrying out electrical power distribution automatization system joint debugging test at the scene.
Existing detection technique is after completing to test wiring, need to be by parameters such as the alternating voltage needed for the output of tester's manual operation standard source, alternating current, harmonic wave, frequency, DC voltages, again from the supporting debugging software of tested distribution terminal or safeguard that software reads telemetry, read the measured value of standard source output from standard scale, and draw corresponding error according to Error Calculation mode.In like manner, when being remotely controlled test, debugging software issuing guidance command, the response condition of record switching value simulator, test remote control performs accuracy；When carrying out remote signalling test, operation switching value simulator produces remote signalling displacement, reads remote signalling parameter from debugging software, calculates remote signalling accuracy.There is the shortcoming that work difficulty is big, data volume is many, it is loaded down with trivial details to calculate, test speed is slow, personal error is many in this technology, and tester need to be familiar with the debugging set software of distribution terminal of different manufacturers, different model, is difficult to popularization and application.Simultaneously as the disappearance on traditional sensing techniques software and hardware, it is impossible to test relates to the parameter index (such as temporal resolution in station) of time and carries out on-the-spot united test.For these shortcomings, full-automatic trustship detection technique, the distribution networkization of multimachine bimodal distribution formula Collaborative Control that this utility model injects based on polymorphic imaginary quantity emulate the Technology design multifunctional ligand electric terminals integrated test systems such as detection technique, realize 9 big the class up to 133 thin full-automatic testing of item, data parsing, the interpretations of result such as the distant function of distribution terminal three, loop power consumption, insulating properties, communication protocol, and one-touch generation is reported.Realize the miniaturization of test system simultaneously, can simulate normal condition and the malfunction of various distribution network line at the scene, and then carry out the united test of electrical power distribution automatization system, effectively solve the problem that conventional testing techniques brings.
Summary of the invention
For solving the problems referred to above, this utility model provides a kind of multifunctional ligand electric terminals integrated test system.
This utility model realizes by the following technical solutions: a kind of multifunctional ligand electric terminals integrated test system, it is characterised in that: include power supply, line feed terminals, host computer and line feed terminals comprehensive test device；Power supply is connected with the feeder ear of line feed terminals；The outfan of line feed terminals is connected with host computer；The output of line feed terminals comprehensive test device connects line feed terminals and host computer respectively；
Described line feed terminals comprehensive test device includes PLC key control unit, environmental monitoring unit, measurement of power loss unit；The input of described PLC key control unit T-Ring border monitoring means, measurement of power loss unit respectively；The output of described PLC key control unit connects line feed terminals and host computer respectively；The input of described measurement of power loss unit connects power supply.
In this utility model one embodiment, described PLC key control unit includes PLC and the most coupled standard scale module, On-off signal output unit, touch screen, satellite time transfer module, Environment Monitor Unit, fault identification unit.
Further, described programmable controller PLC includes that a host CPU and is from CPU.
Compared with prior art, the technical solution of the utility model has following effective technology effect: multifunctional ligand electric terminals integrated test system can jointly control the peripheral test apparatus such as standard source, relay protection tester, realize the automatization of power distribution automation equipment, integration, networked integration pattern, can be used for the functional tests such as distribution terminal three distant, SOE, Fault Identification, one-touch automatically generate report, solve original technical testing means single, manual intervention is many, measuring accuracy and inefficient problem.This device is also equipped with the Premium Features such as satellite time transfer, environmental monitoring, radio communication, adds the appearance design of miniature portable, is highly suitable for on-the-spot test.Can examine and appraise estimate, the detection that calls for bid, network take a sample test, the ability of the technical service such as on-the-spot test, system integration and test, equipment grading, follow-up of quality, accident analysis, retired evaluation, there is wide using value.
Accompanying drawing explanation
Fig. 1 is this utility model multifunctional ligand electric terminals integrated test system schematic diagram.
Fig. 2 is this utility model PLC key control unit principle schematic.
Detailed description of the invention
With specific embodiment, this utility model is further explained explanation below in conjunction with the accompanying drawings.
A kind of multifunctional ligand electric terminals integrated test system, including power supply, line feed terminals, host computer and line feed terminals comprehensive test device；Power supply is connected with the feeder ear of line feed terminals；The outfan of line feed terminals is connected with host computer；The output of line feed terminals comprehensive test device connects line feed terminals and host computer respectively；Described line feed terminals comprehensive test device includes PLC key control unit, environmental monitoring unit, measurement of power loss unit；The input of described PLC key control unit T-Ring border monitoring means, measurement of power loss unit respectively；The output of described PLC key control unit connects line feed terminals and host computer respectively；The input of described measurement of power loss unit connects power supply；PLC is that key control unit is for receiving host computer order, controlling standard source, relay-protection tester output, reading standard scale data and touch panel communication, acquisition terminal Overall Power Consumption and test environment humiture；And I/O realizes feed terminal unit remote signalling, distant control function is tested to use PLC to carry.Concrete schematic diagram sees Fig. 1.
Further, described PLC key control unit includes PLC and the most coupled standard scale module, On-off signal output unit, touch screen, satellite time transfer module, Environment Monitor Unit, fault identification unit；PLC major function for receive PC control order, control standard source output, read standard scale data, receive time service module school time and touch panel communication and management control On-off signal delivery outlet；Standard scale is for integrating High-precision standard table, transformer input and split-core type meter is provided to input two ways, adapt to the test of laboratory virtual load method and test different test scenes with scene reality Load Method, the standard electric parameter gathered reaches host computer messaging software by PLC and communication module, it is provided that the standard value of Error Calculation；On-off signal output unit is mimic-disconnecting switch unit, including following functions: automatically gather remote signalling, the function of output remote control, output switch deciliter state, execution switch banked relay output, cross the I/O mouth in the PLC within comprehensive test device, automatically remote signalling displacement information, the SOE resolution of reading terminals, program control output switch quantitative change position information, simulation output remote control displacement；Touch screen is for the display of standard scale data, the setting of part of standards source order, the setting of PLC digital output mouth, the display of digital quantity input port state, and receives terminal Overall Power Consumption and ambient temperature and humidity data and send PLC to；Satellite time transfer module utilizes GPS/ Beidou dual-mode time service module to be calibrated, it is ensured that degree of accuracy during school, to realize scene synchronization fault simulating function；Comprise temperature and humidity measurement module inside Environment Monitor Unit, record experimental enviroment, touch screen and host computer and utilize the humiture data reading measurement module, and available graphic form describes, shows；Fault identification unit utilizes comprehensive test device, multiple stage microcomputer relay protection tester, simulator of circuit breaker and additional simulation protection device; in the case of circuit does not has a power failure; signal source is injected FTU, DTU current loop of a plurality of tested feeder line; simulation protective breaker fault tripping signal simultaneously, the test terminal unit of electrical power distribution automatization system, switchgear and main station system Fault Identification function.Theory diagram sees Fig. 2.
It is above preferred embodiment of the present utility model, all changes made according to technical solutions of the utility model, when produced function is without departing from the scope of technical solutions of the utility model, belong to protection domain of the present utility model.