CN209460385U - Experimental rig for VF separation control type frequency converter temperature rise test - Google Patents
Experimental rig for VF separation control type frequency converter temperature rise test Download PDFInfo
- Publication number
- CN209460385U CN209460385U CN201920114337.3U CN201920114337U CN209460385U CN 209460385 U CN209460385 U CN 209460385U CN 201920114337 U CN201920114337 U CN 201920114337U CN 209460385 U CN209460385 U CN 209460385U
- Authority
- CN
- China
- Prior art keywords
- frequency converter
- measured
- connects
- temperature
- reactor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model provides a kind of experimental rig for VF separation control type frequency converter temperature rise test, including auxiliary converter, breaker, reactor, shorting stub, temperature-detecting device and oscillograph, the input terminal of the auxiliary converter connects AC power source, the output end of the auxiliary converter connects the input terminal of the inversion unit of frequency converter to be measured by the breaker, one end of the reactor connects the output end of inversion unit to be measured, the other end of the reactor connects the input terminal of frequency converter rectifier bridge to be measured, the output end of frequency converter rectifier bridge to be measured is shorted by the shorting stub, the oscillograph connects the other end of the reactor, the temperature-detecting device detects the temperature of frequency converter rectifier bridge to be measured.This has the advantages that design science, practical, structure is simple, easy to use, at low cost for the VF experimental rig for separating control type frequency converter temperature rise test.
Description
Technical field
The utility model relates to a kind of experimental rigs for VF separation control type frequency converter temperature rise test.
Background technique
Temperature rise test is an important link of big-power transducer development phase.The side of test frequency converter's temperature rise at present
Formula need to be equipped with the motor of a Same Efficieney, and by transducer drive to be measured, the motor is tested, but during the test
A large amount of electric energy can be consumed, if the frequency converter of 100KW needs to configure the motor of 100KW, i.e. consumption electric energy is super within full load test 1 hour
100KWh is crossed, energy consumption is big, at high cost.
In order to solve the above problems, people are seeking always a kind of ideal technical solution.
Summary of the invention
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of design science, practical, knot
Simple, easy to use, the at low cost experimental rig for VF separation control type frequency converter temperature rise test of structure.
To achieve the goals above, the technical scheme adopted by the utility model is a kind of become for VF separation control type
The experimental rig of frequency device temperature rise test, including auxiliary converter, breaker, reactor, shorting stub, temperature-detecting device and oscillography
The input terminal of device, the auxiliary converter connects AC power source, and the output end of the auxiliary converter is connected by the breaker
The input terminal of the inversion unit of frequency converter is surveyed in reception, and one end of the reactor connects the output of inversion unit to be measured
End, the other end of the reactor connect the input terminal of frequency converter rectifier bridge to be measured, and the output end of frequency converter rectifier bridge to be measured is logical
It crosses the shorting stub to be shorted, the oscillograph connects the other end of the reactor, and the temperature-detecting device detects change to be measured
The temperature of frequency device rectifier bridge.
Based on above-mentioned, the temperature-detecting device is thermal imaging system.
The utility model has substantive features and progress compared with the prior art, and specifically, the utility model passes through auxiliary
It helps frequency converter to adjust output voltage, so that inverter current to be measured is reached fully loaded effect, and pass through the cooperation of reactor and oscillograph
Facilitate monitoring current voltage, and monitoring temperature is facilitated by temperature-detecting device, with design science, practical, structure
Simply, advantage easy to use, at low cost.
Detailed description of the invention
Fig. 1 is the electricity structure schematic block diagram of the utility model.
Specific embodiment
Below by specific embodiment, the technical solution of the utility model is described in further detail.
As shown in Figure 1, a kind of experimental rig for VF separation control type frequency converter temperature rise test, including auxiliary frequency conversion
The input terminal of device, breaker, reactor, shorting stub, temperature-detecting device and oscillograph, the auxiliary converter connects alternating current
Source, the output end of the auxiliary converter connects the input terminal of the inversion unit of frequency converter to be measured by the breaker, described
One end of reactor connects the output end of inversion unit to be measured, and it is whole that the other end of the reactor connects frequency converter to be measured
The input terminal of bridge is flowed, the output end of frequency converter rectifier bridge to be measured is shorted by the shorting stub, and the oscillograph connects the electricity
The other end of anti-device, the temperature-detecting device detect the temperature of frequency converter rectifier bridge to be measured.
In use, the output end of frequency converter rectifier bridge to be measured is shorted by shorting stub, auxiliary converter is powered on
Afterwards, it is closed the breaker, adjusts the auxiliary converter to adjust output voltage, since frequency converter to be measured is using VF separation control
System, output frequency 50Hz, output voltage is adjustable, and output voltage is less than 10V in the present embodiment；The output voltage of frequency converter to be measured passes through
It crosses reactor and is modulated into three phase sine voltage input frequency converter rectifier bridge to be measured, frequency converter rectifier bridge electric current to be measured is made to reach fully loaded
Effect tests the temperature rise of frequency converter to be measured, oscillograph real-time monitoring current-voltage waveform by temperature-detecting device.The present embodiment
In, the temperature-detecting device is thermal imaging system, and the temperature rise process of frequency converter rectifier bridge to be measured is intuitively shown by thermal imaging system.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (2)
1. it is a kind of for VF separation the temperature rise of control type frequency converter test experimental rig, it is characterised in that: including auxiliary converter,
The input terminal of breaker, reactor, shorting stub, temperature-detecting device and oscillograph, the auxiliary converter connects AC power source,
The output end of the auxiliary converter connects the input terminal of the inversion unit of frequency converter to be measured, the reactance by the breaker
One end of device connects the output end of inversion unit to be measured, and the other end of the reactor connects frequency converter rectifier bridge to be measured
Input terminal, the output end of frequency converter rectifier bridge to be measured is shorted by the shorting stub, and the oscillograph connects the reactor
The other end, the temperature-detecting device detects the temperature of frequency converter rectifier bridge to be measured.
2. the experimental rig according to claim 1 for VF separation control type frequency converter temperature rise test, it is characterised in that:
The temperature-detecting device is thermal imaging system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920114337.3U CN209460385U (en) | 2019-01-23 | 2019-01-23 | Experimental rig for VF separation control type frequency converter temperature rise test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920114337.3U CN209460385U (en) | 2019-01-23 | 2019-01-23 | Experimental rig for VF separation control type frequency converter temperature rise test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209460385U true CN209460385U (en) | 2019-10-01 |
Family
ID=68045491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920114337.3U Active CN209460385U (en) | 2019-01-23 | 2019-01-23 | Experimental rig for VF separation control type frequency converter temperature rise test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209460385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114646407A (en) * | 2022-05-20 | 2022-06-21 | 深圳众城卓越科技有限公司 | Reactor thermal test circuit and thermal test method |
-
2019
- 2019-01-23 CN CN201920114337.3U patent/CN209460385U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114646407A (en) * | 2022-05-20 | 2022-06-21 | 深圳众城卓越科技有限公司 | Reactor thermal test circuit and thermal test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103607124B (en) | A kind of electricity getting device based on non-closed current transformer and control method thereof | |
| CN103428960A (en) | High-power-factor flicker-free LED drive circuit | |
| CN202033465U (en) | Electric grid simulated electric closure test system for testing photovoltaic grid-connected inverter | |
| CN108599603A (en) | A kind of Modular multilevel converter and its capacitance voltage Ripple Suppression method | |
| CN208174567U (en) | A kind of embedded power-supply system | |
| CN102290587B (en) | Redox flow cell simulation method and simulator | |
| CN101924367A (en) | High-power intelligent harmonic and reactive current generating device based on IGBT | |
| CN209460385U (en) | Experimental rig for VF separation control type frequency converter temperature rise test | |
| CN104253445A (en) | Single-phase photovoltaic grid-connected system and method | |
| CN201181854Y (en) | Photovoltaic door electricity power supply device | |
| CN202153252U (en) | Induction over-voltage-resistance tester based on AC frequency conversion technology | |
| TWI305699B (en) | A power inverter for a solar energy photovoltaic system | |
| CN201601610U (en) | Inverter circuit | |
| CN203734546U (en) | Large-scale power transformer low-frequency heating device based on square wave modulation | |
| CN103227560B (en) | Start the method and apparatus of inverter | |
| CN203216993U (en) | Power-grid harmonic real-time online monitor | |
| CN201955433U (en) | Induction withstand voltage tester for pure-capacitive electromagnetic voltage transformer | |
| CN102857119A (en) | Wideband transform-up detection power supply for current transformers | |
| CN201846239U (en) | Bow net arc testing power supply device | |
| CN201656537U (en) | Accumulator charger | |
| CN201533174U (en) | Energy feedback device | |
| CN203340031U (en) | Power frequency inductance regulation resonance device | |
| CN103338025B (en) | A power frequency induction adjustable resonance apparatus and a frequency modulation method thereof for determining a power frequency in-series resonant condition | |
| CN102346223A (en) | Power evaluation system of frequency converter in energy two-way transmission rectification mode and test method of power evaluation system | |
| CN205787992U (en) | Constant-current source control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |