CN205404769U - Variable voltage variable frequency test system - Google Patents
Variable voltage variable frequency test system Download PDFInfo
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- CN205404769U CN205404769U CN201620152266.2U CN201620152266U CN205404769U CN 205404769 U CN205404769 U CN 205404769U CN 201620152266 U CN201620152266 U CN 201620152266U CN 205404769 U CN205404769 U CN 205404769U
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- circuit breaker
- inverter
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- test system
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Abstract
The utility model provides a variable voltage variable frequency test system, including circuit breaker, rectification / inverter, control system, isolation transformer, by test equipment, dc -to -ac converter, wherein, the circuit breaker is including input circuit breaker Q1, by test equipment control circuit breaker Q2, output circuit breaker Q3 and the circuit breaker Q4 that is incorporated into the power networks. The utility model discloses solved the not enough of traditional simulation debugging frock effectively, great improvement shore power source module testing efficiency and qualification rate, improved shore power source's complete machine quality and overall efficiency, provide the shore power source that the performance is more stable, more reliable for boats and ships.
Description
Technical field
This utility model relates to a kind of transformation test system, particularly a kind of digital automation high-voltage power module variable-frequency variable-voltage test system.
Background technology
Demand along with this development in several years of harbor high voltage shore power power supply and different boats and ships power consumption, boats and ships power load continues to increase, opposite bank electricity power surges is also improper to be increased so that high voltage shore power power supply output quality changes, and the quality requirements of high voltage power supply is also more and more higher.Current domestic all of high voltage power supply is essentially all employing high type, high-voltage power module integration degree is high, high-voltage power module is related to the power supply quality of whole bank electricity system and the reliability of operation as " heart " of high voltage shore power power supply, and therefore traditional simulated debugging tool can not meet the demand of the inspection debugging of high voltage shore power power module.
Utility model content
This utility model is according to deficiency of the prior art, it is provided that a kind of high-voltage power module variable-frequency variable-voltage integrated, that digitized, generalization degree are higher tests system, meets the demand of the debugging of domestic various high-voltage power module, inspection.The power quality of high-voltage power module output complies fully with boats and ships electricity consumption and requires and high voltage shore power is gone on board technical conditions.
In order to realize technique scheme, this utility model there is provided herein a kind of variable-frequency variable-voltage test system, including chopper, rectification/inverter, control system, isolating transformer, be devices under, inverter；
Described chopper includes input circuit breaker Q 1, is devices under controlling circuit breaker Q 2, output circuit breaker Q 3 and grid-connected circuit breaker Q 4；
One debugging power supply is connected with the end of incoming cables of isolating transformer by input circuit breaker Q 1, rectification/inverter, and described isolating transformer is connected with the end of incoming cables being devices under by being devices under control circuit breaker Q 2；
The described outfan being devices under is connected to the end of incoming cables of inverter by exporting circuit breaker Q 3；
Described inverter output end is connected to circuit breaker Q 4 and is connected with the end of incoming cables inputting circuit breaker Q 1；
Described control system is connected with described chopper.
Above-mentioned variable-frequency variable-voltage test system, wherein, described control system includes a PLC and controls end, and described PLC controls end and is connected to chopper by a middle relay that controls.
Above-mentioned variable-frequency variable-voltage test system, wherein, input circuit breaker Q 1, is devices under controlling circuit breaker Q 2, output circuit breaker Q 3 and grid-connected circuit breaker Q 4 and adopts rigid line and program double interlocking.
Above-mentioned variable-frequency variable-voltage test system, wherein, described rectification/inverter can input, export 50/60Hz two kinds electricity system, and this rectification/inverter can input, export the stable electric current electricity of 0-1000V.
Above-mentioned variable-frequency variable-voltage test system, wherein, described inverter is used for current detecting and saving energy test load, it is possible to auto-parallel, by Way of Regenerating Energy Feedback to AC network；
The debugging of described inverter disconnects grid-connected circuit breaker Q 4 and carries out repid discharge after terminating.
This utility model adopts variable-frequency variable-voltage technology, input civil power is made directly rectification, inversion exports stable alternating current power supply debugging system, compared with conventional simulated shore electric power modular debugging frock, the input of simulated shore electric power module civil power needs artificial fine tuning through pressure regulator pressure regulation to rising current transformer input to shore electric power module；Variable-frequency variable-voltage testing system device adopts automatic frequency-conversion pressure swing techniques, and operation is simpler, and with better function, fault alarm detects in real time, and Measurement results is very clear, solves the task that conventional simulated frock can not complete.This utility model efficiently solves the deficiency of traditional simulated debugging tool, it is greatly improved shore electric power module testing efficiency and qualification rate, improve complete machine quality and the overall efficiency of shore electric power, provide, for boats and ships, the shore electric power that a kind of performance is more stable, more reliable.
Accompanying drawing explanation
By reading detailed description non-limiting example made with reference to the following drawings, this utility model and feature, profile and advantage will become more apparent upon.The part that labelling instruction identical in whole accompanying drawings is identical.Deliberately it is not drawn to scale accompanying drawing, it is preferred that emphasis is purport of the present utility model is shown.
The schematic diagram of a kind of variable-frequency variable-voltage test system that Fig. 1 provides for this utility model.
Detailed description of the invention
In the following description, a large amount of concrete details is given to provide and this utility model is more understood thoroughly.It is, however, obvious to a person skilled in the art that this utility model can be carried out without these details one or more.In other example, in order to avoid obscuring with this utility model, technical characteristics more well known in the art are not described.
In order to thoroughly understand this utility model, detailed step and detailed structure will be proposed in following description, in order to explaination the technical solution of the utility model.Preferred embodiment of the present utility model is described in detail as follows, but except these detailed descriptions, this utility model can also have other embodiments.
This utility model provides a kind of variable-frequency variable-voltage test system, and with reference to shown in Fig. 1, this system mainly includes chopper, rectification/inverter, control system, isolating transformer, is devices under, inverter；
Chopper includes input circuit breaker Q 1, is devices under controlling circuit breaker Q 2, output circuit breaker Q 3 and grid-connected circuit breaker Q 4；
One debugging power supply is connected with the end of incoming cables of isolating transformer by input circuit breaker Q 1, rectification/inverter, and described isolating transformer is connected with the end of incoming cables being devices under by being devices under control circuit breaker Q 2；
The described outfan being devices under is connected to the end of incoming cables of inverter by exporting circuit breaker Q 3；
Described inverter output end is connected to circuit breaker Q 4 and is connected with the end of incoming cables inputting circuit breaker Q 1；
Described control system is connected with described chopper.
This utility model adopts digital automation variable-frequency variable-voltage technology, input civil power is made directly rectification, inversion exports stable alternating current power supply debugging system, compared with conventional simulated shore electric power modular debugging frock, the input of simulated shore electric power module civil power needs artificial fine tuning through pressure regulator pressure regulation to rising current transformer input to shore electric power module；Digital automation variable-frequency variable-voltage testing system device adopts automatic frequency-conversion pressure swing techniques, and operation is simpler, and with better function, fault alarm detects in real time, and Measurement results is very clear, solves the task that conventional simulated frock can not complete.This utility model is greatly improved shore electric power module testing efficiency and qualification rate, improves complete machine quality and the overall efficiency of shore electric power, provides, for boats and ships, the shore electric power that a kind of performance is more stable, more reliable.
In this utility model one optional embodiment, control system includes a PLC and controls end, and PLC controls end and is connected to chopper by a middle relay that controls.
In this utility model one optional embodiment, input circuit breaker Q 1, be devices under control circuit breaker Q 2, output circuit breaker Q 3 and grid-connected circuit breaker Q 4 adopt rigid line and program double interlocking, to ensure that the electrodeless safety automatically controlling logic is devices under controlling circuit breaker Q 2, output circuit breaker Q 3 takes rigid line and program double interlocking equally, system must first close output circuit breaker Q 3 before bringing into operation, being devices under controlling circuit breaker Q 2 could close a floodgate；Inverter output end is connected with grid-connected circuit breaker Q 4 and is connected with input circuit breaker Q 1 end of incoming cables, input circuit breaker Q 1 takes rigid line and program double interlocking with grid-connected circuit breaker Q 4, when after system normal operation, inverter starts to talk with electrodeless automatic frequency-conversion transformation testing system device, self electrical quantity of each self-regulation carries out grid-connected, automatically grid-connected circuit breaker Q 4 is closed after allowing grid-connected signal to send, disconnecting input circuit breaker Q 1, input circuit breaker Q 1, grid-connected circuit breaker Q 4 can not be closed a floodgate simultaneously.Variable-frequency variable-voltage test system by multimode fibre be devices under be connected (high-voltage power module), sending and receiving do not interfere with each other, existing high electric isolution ability, there is again high electromagnetism interference performance, the incipient fault and the warning that are devices under (high-voltage power module) can be detected by real-time online, improve shore electric power module testing efficiency and qualification rate, improve complete machine quality and the overall efficiency of shore electric power, provide, for boats and ships, the shore electric power that a kind of performance is more stable, more reliable.
In this utility model one optional embodiment, rectification/inverter can input, export 50/60Hz two kinds electricity system；And stable electric current electricity (AC) of this rectification/inverter input, output 0-1000V, it is possible to being devices under carrying out under-voltage, overvoltage, cross stream 1, cross stream 2, overheated, IGBT is not turned on, three-phase imbalance, inverse merit, electric capacity abnormity diagnosis, the detection of high-voltage power module charged state.In this utility model, rectification/inverter adopts full-bridge rectification, electrochemical capacitor energy storage, filtering IGBT high frequency switching inverter and waveform Closed loop Control, and output waveform quality height, fast response time, dynamic property are good.Pass through multiple feedback loop, improve output performance after rectification, inversion with greatly improving, it is possible not only to output 50/60Hz two kinds electricity system, the alternating current power supply of AC0-1000V continuously adjustabe constant voltage crossing current, under-voltage, overvoltage can be carried out to being devices under (high-voltage power module), cross stream 1, cross stream 2, overheated, IGBT(InsulatedGateBipolarTransistor, igbt) be not turned on, three-phase imbalance, inverse merit, electric capacity abnormity diagnosis, the detection of high-voltage power module charged state, fault alarm, fault trip etc..
In this utility model one optional embodiment, inverter is used for current detecting and saving energy test load, it is possible to auto-parallel, by Way of Regenerating Energy Feedback to AC network, reaches the purpose saved energy and reduce the cost；Inverter debugging disconnects grid-connected circuit breaker Q 4 and carries out repid discharge after terminating, it is prevented that has debugged the substantial amounts of remaining electricity of storage in rear electrochemical capacitor, has hurt commissioning staff.
In this utility model, isolating transformer adopts input, exports completely isolated formula, the voltage source safe and stable for being devices under offer, also improves the safety of commissioning staff simultaneously.
In this external this utility model, control system also includes intelligence main control module, human-computer interaction device, optical-electric module.Described intelligence main control module is connected with optical-electric module by optical fiber, and described optical-electric module is connected with human-computer interaction device by communication cable, and described human-computer interaction device is connected to PLC by communication cable and controls end, and described PLC controls end and is connected with described chopper.
Further alternative, human-computer interaction device is liquid crystal touch screen.
Further alternative, control system and adopt programmable liquid crystal touch screen, programmable PLC to control end and programmable intelligence main control module and optical-electric module；Liquid crystal touch screen is connected to intelligence main control module and PLC, fast response time by optical fiber and communication cable, and capacity of resisting disturbance is strong, can with intelligence main control module and the transmission of PLC real time data, amendment relevant parameter, reads relevant operational state, and fault alarm stores and inquiry；Intelligence main control module adopts double-nuclear DSP+ARM Digital Control, high with comprehensive precision, comprehensively the power quality of raising variable-frequency variable-voltage test system；Adopting programmable PLC logic control, automaticity is high, and reliability is high, perfect in shape and function, and the suitability is strong, easy to maintenance, it is possible to control relay by centre and chopper is carried out Automated condtrol.Additionally, PLC controls end is externally reserved with 1 RS232 port, 1 RS485 port, 1 TCP/IP port and 1 USB port.
Above preferred embodiment of the present utility model is described.It is to be appreciated that this utility model is not limited to above-mentioned particular implementation, the equipment and the structure that are not wherein described in detail to the greatest extent are construed as and are practiced with the common mode in this area；Any those of ordinary skill in the art, without departing under technical solutions of the utility model ambit, all may utilize the method for the disclosure above and technology contents and technical solutions of the utility model are made many possible variations and modification, or it being revised as the Equivalent embodiments of equivalent variations, this has no effect on flesh and blood of the present utility model.Therefore, every content without departing from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, all still fall within the scope of technical solutions of the utility model protection.
Claims (5)
1. variable-frequency variable-voltage test system, it is characterised in that include chopper, rectification/inverter, control system, isolating transformer, be devices under, inverter；
Described chopper includes input circuit breaker Q 1, is devices under controlling circuit breaker Q 2, output circuit breaker Q 3 and grid-connected circuit breaker Q 4；
One debugging power supply is connected with the end of incoming cables of isolating transformer by input circuit breaker Q 1, rectification/inverter, and described isolating transformer is connected with the end of incoming cables being devices under by being devices under control circuit breaker Q 2；
The described outfan being devices under is connected to the end of incoming cables of inverter by exporting circuit breaker Q 3；
Described inverter output end is connected to circuit breaker Q 4 and is connected with the end of incoming cables inputting circuit breaker Q 1；
Described control system is connected with described chopper.
2. variable-frequency variable-voltage test system as claimed in claim 1, it is characterised in that described control system includes a PLC and controls end, described PLC controls end and is connected to chopper by a middle relay that controls.
3. variable-frequency variable-voltage test system as claimed in claim 1, it is characterised in that input circuit breaker Q 1, be devices under controlling circuit breaker Q 2, output circuit breaker Q 3 and grid-connected circuit breaker Q 4 and adopt rigid line and program double interlocking.
4. variable-frequency variable-voltage test system as claimed in claim 1, it is characterised in that described rectification/inverter can input, export 50/60Hz two kinds electricity system, and this rectification/inverter can input, export the stable electric current electricity of 0-1000V.
5. variable-frequency variable-voltage test system as claimed in claim 1, it is characterised in that described inverter is used for current detecting and saving energy test load, it is possible to auto-parallel, by Way of Regenerating Energy Feedback to AC network；
The debugging of described inverter disconnects grid-connected circuit breaker Q 4 and carries out repid discharge after terminating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152266.2U CN205404769U (en) | 2016-02-29 | 2016-02-29 | Variable voltage variable frequency test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152266.2U CN205404769U (en) | 2016-02-29 | 2016-02-29 | Variable voltage variable frequency test system |
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| Publication Number | Publication Date |
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| CN205404769U true CN205404769U (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620152266.2U Expired - Fee Related CN205404769U (en) | 2016-02-29 | 2016-02-29 | Variable voltage variable frequency test system |
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| CN (1) | CN205404769U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646271A (en) * | 2016-12-06 | 2017-05-10 | 国网浙江省电力公司 | Test system for shore power supply |
-
2016
- 2016-02-29 CN CN201620152266.2U patent/CN205404769U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646271A (en) * | 2016-12-06 | 2017-05-10 | 国网浙江省电力公司 | Test system for shore power supply |
| CN106646271B (en) * | 2016-12-06 | 2020-02-14 | 国网浙江省电力公司 | Shore power supply test system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 |