CN205484606U - Energy -saving converter load test system - Google Patents
Energy -saving converter load test system Download PDFInfo
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- CN205484606U CN205484606U CN201620181324.4U CN201620181324U CN205484606U CN 205484606 U CN205484606 U CN 205484606U CN 201620181324 U CN201620181324 U CN 201620181324U CN 205484606 U CN205484606 U CN 205484606U
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- frequency conversion
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Abstract
The utility model discloses an energy -saving converter load test system, the output valve of on -off control LC wave filter that can be through the second contactor adapts to the await measuring test of converter of different power ranges, the break -make of first contactor, the break -make electricity of the converter that can real time control awaits measuring, the beginning and the end of convenient test, the direct control behind the converter begin operating that awaits measuring, the third contactor is closed for the switch -on of energy feedback loop is wired back the energy regeneration of converter output and is netted, reaches energy -conserving effect, the various status data that host computer ability automatic acquisition awaited measuring the converter are used for controlling the test to automatic records reserve data, printing report have improved converter efficiency of software testing. The next converter load test system of the condition that is not simultaneously needing the motor can adapt to the converter that awaits measuring of different power sections, has reduced test equipment's input cost. The utility model has the advantages of simple structure, cost of manufacture and use cost are low, and application scope is wide.
Description
Technical field
This utility model belongs to converter technical field of measurement and test, is specifically related to a kind of energy-saving type frequency conversion
Device load testing system.
Background technology
Converter all must carry out detailed test of dispatching from the factory before dispatching from the factory to its performance, wherein just wraps
Include converter band nominal load temperature rise test, for rectification module and the inversion mould of test frequency converter
Block temperature rise and drive circuit etc..
The load testing of converter is that motor shaft is born with another by driving motor to realize at present
Load motor shaft is rigidly connected, and load motor is by another transducer drive, so converter is negative
Carry test to need to configure two motors suitable with transducer power to be measured, a load inverter
And brake unit and braking resistor, such floor space is big, and cost is the highest.Simultaneously
Owing to this testing time is long, need to consume substantial amounts of electric energy, and the mechanical energy of motor output with
The form of heat energy consumes in atmosphere.So in energy today the most in short supply, how to allow frequency conversion
Device load testing reduces cost and the energy-conservation problem that will be needs and solve.
Summary of the invention:
In order to overcome the defect of above-mentioned background technology, this utility model provides a kind of energy-saving type frequency conversion
Device load testing system, can reduce the cost of inverter load test.
In order to solve above-mentioned technical problem used technical scheme of the present utility model it is:
A kind of energy-saving type frequency conversion device load testing system, including converter to be measured, also includes upper
Machine, transformator and LC wave filter, be sequentially connected with transformator, frequency conversion to be measured at electrical network outfan
Device and LC wave filter, the outfan of LC wave filter connects electrical network outfan and forms feedback circuit,
Host computer is connected with converter and carries out serial communication；It is provided with between transformator and converter to be measured
One catalyst.
It is preferred that LC wave filter includes Reactor banks and the electric capacity of parallel connection, Reactor banks includes
The reactor of at least two series connection.
It is preferred that two reactors are designated as the first reactor and the second reactor, the first electricity respectively
Anti-device or the second reactor are parallel with the second catalyst.
It is preferred that the feedback circuit between LC filter output and electrical network outfan is provided with
3rd catalyst, the end that controls of the 3rd catalyst connects the digital output relay of converter.
It is preferred that also include operating board, host computer is arranged at operating board.
It is preferred that be additionally provided with the first control switch and second on operating board to control switch；First control
System switch connects the first catalyst, controls the break-make of the first catalyst；Second controls switch connects
Second catalyst, controls the break-make of the second catalyst.
It is preferred that transformator is three-phase voltage increasing transformator.
The beneficial effects of the utility model are: can be controlled by the break-make of the second catalyst
The output valve of LC wave filter, adapts to the test of different capacity scope converter to be measured；First connects
The break-make of tentaculum, can control the power on/off of converter to be measured in real time, the beginning of convenient test and
Terminate；Converter to be measured directly controls after coming into operation, the 3rd catalyst Guan Bi so that energy
Feedback circuit is connected, and the energy back telegram in reply net of converter output, reaches energy-conservation effect；
Upper function obtains the various status datas of converter to be measured automatically for controlling test, and automatically
Record preserves data, printed report, improves converter testing efficiency.Need not electricity simultaneously
In the case of machine, test system for loading of frequency converter adapts to the frequency conversion to be measured of different capacity section
Device, reduces the input cost of test equipment.Simple in construction of the present utility model, cost of manufacture
Low with use cost and applied widely, effectively reduce the cost of load testing.
Accompanying drawing explanation
Fig. 1 is this utility model embodiment 1 structural representation.
In figure: 1-host computer, 2-transformator, 3-LC wave filter, 3.1-the first reactor, 3.2
Second reactor, 3.3 electric capacity, 4-the first catalyst, 5-the second catalyst, 6-the 3rd catalyst,
7-operating board, 8-first controls switch, and 9-second controls switch, 10-converter to be measured
Detailed description of the invention
With embodiment, this utility model is described further below in conjunction with the accompanying drawings.
Embodiment, a kind of energy-saving type frequency conversion device load testing system (Fig. 1), including change to be measured
Frequently device 10, host computer 1, transformator 2 and LC wave filter 3, connect successively at electrical network outfan
Connect three-phase voltage increasing transformator 2, converter to be measured 10 and LC wave filter 3, LC wave filter 3
Outfan connect electrical network outfan formed feedback circuit, make converter output energy back wire back
Net.Host computer 1 is connected with converter and carries out serial communication, arranges converter by host computer 1
Load current value, watt current gives percentage ratio and reactive current gives percentage ratio, same to time control
The startup of converter processed, stopping.Converter is by actual current value, magnitude of voltage, IGCT and IGBT
Temperature etc. send host computer 1 to, host computer 1 by these data compilation automatic printings go out test
Report；The first catalyst 4 it is provided with between transformator 2 and converter to be measured 10.Also include behaviour
Station 7, host computer 1 is arranged at operating board 7.
LC wave filter 3 includes Reactor banks and the electric capacity 3.3 of parallel connection, and Reactor banks includes at least
The reactor of two series connection.Two reactors are designated as the first reactor 3.1 and the second reactance respectively
Device 3.2, the first reactor 3.1 or the second reactor 3.2 are parallel with the second catalyst 5.
Feedback circuit between LC wave filter 3 outfan and electrical network outfan is provided with the 3rd and connects
Tentaculum 6, the end that controls of the 3rd catalyst 6 connects the digital output relay of converter, can
By the break-make at Section of three initial stage, control the break-make in energy back loop.
It is additionally provided with the first control switch 8 and second on operating board 7 and controls switch 9；First controls
Switch 8 connection the first catalyst 4, controls the break-make of the first catalyst 4；Second controls switch
9 connect the second catalyst 5, control the break-make of the second catalyst 5, facilitate reviewer to carry out
Load testing.
It should be appreciated that for those of ordinary skills, can be according to the above description
Improved or converted, and all these modifications and variations all should be belonged to the appended power of this utility model
The protection domain that profit requires.
Claims (7)
1. an energy-saving type frequency conversion device load testing system, including converter to be measured (10), it is special
Levy and be: also include host computer (1), transformator (2) and LC wave filter (3), export at electrical network
End is sequentially connected with described transformator (2), converter to be measured (10) and LC wave filter (3), described LC
The outfan of wave filter (3) connects described electrical network outfan and forms feedback circuit, described host computer (1)
It is connected with described converter and carries out serial communication；Described transformator (2) and described converter to be measured
(10) the first catalyst (4) it is provided with between.
A kind of energy-saving type frequency conversion device load testing system the most according to claim 1, its
It is characterised by: described LC wave filter (3) includes Reactor banks and the electric capacity (3.3) of parallel connection, described
Reactor banks includes the reactor that at least two is connected.
A kind of energy-saving type frequency conversion device load testing system the most according to claim 2, its
It is characterised by: two described reactors are designated as the first reactor (3.1) and the second reactor respectively
(3.2), described first reactor (3.1) or described second reactor (3.2) are parallel with the second catalyst
(5)。
A kind of energy-saving type frequency conversion device load testing system the most according to claim 1, its
It is characterised by: feeding back between described LC wave filter (3) outfan and described electrical network outfan
Road is provided with the 3rd catalyst (6), and the control end of described 3rd catalyst (6) connects described frequency conversion
The digital output relay of device.
A kind of energy-saving type frequency conversion device load testing system the most according to claim 1, its
It is characterised by: also include that operating board (7), described host computer (1) are arranged at described operating board (7).
A kind of energy-saving type frequency conversion device load testing system the most according to claim 5, its
It is characterised by: be additionally provided with the first control switch (8) and second on described operating board (7) and control switch
(9)；Described first controls switch (8) connects the first catalyst (4), controls described first catalyst (4)
Break-make；Described second controls switch (9) connects the second catalyst (5), controls described second and connects
The break-make of tentaculum (5).
A kind of energy-saving type frequency conversion device load testing system the most according to claim 1, its
It is characterised by: described transformator (2) is three-phase voltage increasing transformator (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620181324.4U CN205484606U (en) | 2016-03-09 | 2016-03-09 | Energy -saving converter load test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620181324.4U CN205484606U (en) | 2016-03-09 | 2016-03-09 | Energy -saving converter load test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205484606U true CN205484606U (en) | 2016-08-17 |
Family
ID=56656579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620181324.4U Active CN205484606U (en) | 2016-03-09 | 2016-03-09 | Energy -saving converter load test system |
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| CN (1) | CN205484606U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699817A (en) * | 2016-03-09 | 2016-06-22 | 武汉港迪电气传动技术有限公司 | Energy-saving type frequency converter load testing system and method |
| CN108181526A (en) * | 2017-12-27 | 2018-06-19 | 上海辛格林纳新时达电机有限公司 | Test system for loading of frequency converter and inverter load test method |
| CN116243095A (en) * | 2023-05-10 | 2023-06-09 | 深圳弘远电气有限公司 | Automatic program control-based test circuit, test device and control method thereof |
-
2016
- 2016-03-09 CN CN201620181324.4U patent/CN205484606U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699817A (en) * | 2016-03-09 | 2016-06-22 | 武汉港迪电气传动技术有限公司 | Energy-saving type frequency converter load testing system and method |
| CN108181526A (en) * | 2017-12-27 | 2018-06-19 | 上海辛格林纳新时达电机有限公司 | Test system for loading of frequency converter and inverter load test method |
| CN116243095A (en) * | 2023-05-10 | 2023-06-09 | 深圳弘远电气有限公司 | Automatic program control-based test circuit, test device and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuhan Guide Electric Co., Ltd. Assignor: WUHAN GUIDE ELECTRIC DRIVE TECHNOLOGY CO., LTD. Contract record no.: 2017420000012 Denomination of utility model: Energy-saving type frequency converter load testing system and method Granted publication date: 20160817 License type: Common License Record date: 20170419 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Wuhan Guide Electric Co., Ltd. Assignor: WUHAN GUIDE ELECTRIC DRIVE TECHNOLOGY CO., LTD. Contract record no.: 2017420000012 Date of cancellation: 20170612 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuhan Guide Electric Co., Ltd. Assignor: WUHAN GUIDE ELECTRIC DRIVE TECHNOLOGY CO., LTD. Contract record no.: 2017420000019 Denomination of utility model: Energy-saving type frequency converter load testing system and method Granted publication date: 20160817 License type: Common License Record date: 20170714 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| CP03 | Change of name, title or address |
Address after: 430040 workshop D, no.6, ligongyuan Road, Science Park, Wuhan University of technology, Donghu Development Zone, Wuhan City, Hubei Province Patentee after: Wuhan Gangdi Technology Co.,Ltd. Address before: 430223 Wuhan Gangdi Electric Transmission Technology Co., Ltd Patentee before: WUHAN GUIDE ELECTRIC DRIVE TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |