CN208367126U - A kind of Testing System of Transformer - Google Patents
A kind of Testing System of Transformer Download PDFInfo
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- CN208367126U CN208367126U CN201821090025.5U CN201821090025U CN208367126U CN 208367126 U CN208367126 U CN 208367126U CN 201821090025 U CN201821090025 U CN 201821090025U CN 208367126 U CN208367126 U CN 208367126U
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Abstract
The utility model discloses a kind of Testing System of Transformer, comprising: input terminal is connect with incoming power, for the Power entry module for transformer distribution to be measured；The four-quadrant frequency converter of the output end of input terminal and Power entry module connection, the voltage and frequency of the power supply signal for adjusting Power entry module output, with primary side voltage needed for meeting transformer to be measured；And load feedback mode is used to recycle the secondary side electric energy of transformer to be measured to recycle；For measuring the primary side electrical parameter of transformer to be measured and the measurement module of secondary side electrical parameter；For carrying out the control module of Performance Evaluation to transformer to be measured according to primary side electrical parameter and secondary side electrical parameter.As it can be seen that the Testing System of Transformer of the application accelerates testing progress, the utilization rate of energy is improved, reduces energy consumption, and simplify test process, shortens the testing time.
Description
Technical field
The utility model relates to industrial electrical fields, more particularly to a kind of Testing System of Transformer.
Background technique
Currently, transformer is widely used in industrial electrical field, just gradually to high frequency, low-loss, light-weight and volume
Small direction is developed, this is based on, industrially to Testing System of Transformer it is also proposed that requirements at the higher level.Existing Testing System of Transformer
In, transformer to be measured is powered by incoming power after input transformer transformation for it, still, for the to be measured of different input voltages
The quantity of transformer, required input transformer is generally different, so system needs to prepare more input transformers to match difference
The transformer to be measured of input voltage, to affect testing progress.Moreover, the load of transformer to be measured usually selects turbine (to make an uproar
Sound is big), resistance etc. directly load, in the test process of transformer to be measured, directly load can gradually fall power consumption, cause
Capacity usage ratio is lower, and energy consumption is higher；In addition, being needed matching for the dedicated transformer under some special operation conditions
Dedicated load, before testing dedicated transformer, common Testing System of Transformer needs are replaced load,
Cause test process comparatively laborious, it is longer to expend the time.
Therefore, how to provide a kind of scheme of solution above-mentioned technical problem is that those skilled in the art needs to solve at present
The problem of.
Utility model content
The purpose of the utility model is to provide a kind of Testing System of Transformer, accelerate testing progress, improve energy
Utilization rate reduces energy consumption, and simplifies test process, shortens the testing time.
In order to solve the above technical problems, the utility model provides a kind of Testing System of Transformer, comprising:
Input terminal is connect with incoming power, for the Power entry module for transformer distribution to be measured；
The four-quadrant frequency converter that input terminal is connect with the output end of the Power entry module, it is defeated for adjusting the Power entry module
The voltage and frequency of power supply signal out, with primary side voltage needed for meeting the transformer to be measured；And using load feedback
Mode recycles the secondary side electric energy of the transformer to be measured to recycle；
For measuring the primary side electrical parameter of the transformer to be measured and the measurement module of secondary side electrical parameter；
For carrying out performance to the transformer to be measured and commenting according to the primary side electrical parameter and the secondary side electrical parameter
The control module estimated.
Preferably, the four-quadrant frequency converter includes rectification unit, positive inversion unit and anti-inversion unit, the measurement mould
Block includes primary side measurement cabinet and secondary side measurement cabinet；Wherein:
Input terminal of the input terminal of the rectification unit as the four-quadrant frequency converter, the output end of the rectification unit
Connect respectively with the output end of the input terminal of positive inversion unit and anti-inversion unit, the output end of the positive inversion unit with it is described
Primary side measures the first end connection of cabinet, the first end company of the input terminal of the anti-inversion unit and secondary side measurement cabinet
It connects, the primary side of the second end of the primary side measurement cabinet and the second end of secondary side measurement cabinet and the transformer to be measured
And secondary side is correspondingly connected with, the output end of the output end of primary side measurement cabinet and secondary side measurement cabinet with the survey
Control module connection.
Preferably, the measurement module further include:
Input terminal connect with the output end of the output end of primary side measurement cabinet and secondary side measurement cabinet respectively, is defeated
The power analyzer that outlet is connect with the control module.
Preferably, the Power entry module includes power input cabinet and input transformer；Wherein:
Input terminal of the input terminal of the power input cabinet as the Power entry module, the output end of the power input cabinet
It is connect with the input terminal of the input transformer, output end of the output end of the input transformer as the Power entry module.
Preferably, the power input cabinet includes:
For when the electric current of place power supply line is more than that preset upper limit electric current and/or voltage are more than preset upper limit voltage,
Automatically cut off the automatic protection cut-out switch of the power supply line.
Preferably, the Testing System of Transformer further include:
For detecting the temperature sensor of the connecting terminal temperature of the transformer to be measured；The control module is also used to work as
When the connecting terminal temperature is greater than preset temperature, controls the automatic protection cut-out switch and cut off the power supply line.
Preferably, the control module includes industrial control computer and programmable logic controller (PLC) PLC.
Preferably, the Testing System of Transformer further include:
It is connect with the industrial control computer, for printing the printer of assessment result.
Preferably, which further includes filter cabinet, multi-tap transformer and for preparatory stepping itself
The voltage output of input voltage switches cabinet；Then the primary side measurement cabinet includes the first measurement for stepping itself input current
Cabinet and the second measurement cabinet；Wherein:
The output end of the positive inversion unit is connect with the input terminal of the filter cabinet, and the first of the filter cabinet is defeated
Outlet is connect with the multi-tap transformer, second output terminal is connect with the first input measurement end of the second measurement cabinet, institute
State the first output end of multi-tap transformer connect with the second input measurement end of the second measurement cabinet, second output terminal and institute
The first end connection of voltage output switching cabinet is stated, the second end and described first of the voltage output switching cabinet measures the first of cabinet
End connection, the measurement output end and the transformer to be measured that the second end of the first measurement cabinet measures cabinet with described second respectively
Primary side connection.
Preferably, the voltage output switching cabinet includes:
The voltage stepping component of multiple parallel connections, wherein each voltage stepping component includes single voltage step switch or more
A concatenated voltage step switch；
And the first measurement cabinet includes the electric current step switch of multiple parallel connections.
The utility model provides a kind of Testing System of Transformer, comprising: input terminal is connect with incoming power, for for
Survey the Power entry module of transformer distribution；The four-quadrant frequency converter of the output end of input terminal and Power entry module connection, matches for adjusting
The voltage and frequency of the power supply signal of electric module output, with primary side voltage needed for meeting transformer to be measured；And using load
Feedback mode recycles the secondary side electric energy of transformer to be measured to recycle；For measuring the primary side electrical parameter of transformer to be measured
With the measurement module of secondary side electrical parameter；For being carried out to transformer to be measured according to primary side electrical parameter and secondary side electrical parameter
The control module of Performance Evaluation.
Compared with Testing System of Transformer in the prior art, four-quadrant frequency conversion is added in the Testing System of Transformer of the application
Device, the voltage and frequency of the power supply signal of the adjustable Power entry module output of four-quadrant frequency converter, to meet different input electricity
The power supply of the transformer to be measured of pressure, so system is not necessarily to more input transformers of preparation to match the change to be measured of different input voltages
Depressor, to accelerate testing progress.Moreover, load of the four-quadrant frequency converter as transformer to be measured, in transformer to be measured
In test process, four-quadrant frequency converter can recycle the secondary side electric energy of transformer to be measured using load feedback mode, to realize
Electric energy recycles, to improve the utilization rate of energy, reduces energy consumption；In addition, under some special operation conditions
Dedicated transformer, four-quadrant frequency converter also it is adjustable its as load voltage, frequency and power factor (PF), with provide with specially
, to simplify test process, the testing time is shortened without being replaced to load with the matched load of transformer.
Detailed description of the invention
It, below will be to the prior art and embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of Testing System of Transformer provided by the utility model；
Fig. 2 is the structural schematic diagram of another Testing System of Transformer provided by the utility model.
Specific embodiment
The core of the utility model is to provide a kind of Testing System of Transformer, accelerates testing progress, improves energy
Utilization rate reduces energy consumption, and simplifies test process, shortens the testing time.
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Fig. 1 is please referred to, Fig. 1 is a kind of structural schematic diagram of Testing System of Transformer provided by the utility model.
The Testing System of Transformer includes:
Input terminal is connect with incoming power, for the Power entry module 1 for transformer distribution to be measured；
The four-quadrant frequency converter 2 that input terminal is connect with the output end of Power entry module 1, for adjusting the output of Power entry module 1
The voltage and frequency of power supply signal, with primary side voltage needed for meeting transformer to be measured；And it is recycled using load feedback mode
The secondary side electric energy of transformer to be measured is to recycle；
For measuring the primary side electrical parameter of transformer to be measured and the measurement module 3 of secondary side electrical parameter；
For carrying out the control module of Performance Evaluation to transformer to be measured according to primary side electrical parameter and secondary side electrical parameter
4。
It should be noted that default in the application sets in advance, it is only necessary to which setting is primary, unless according to reality
Situation needs to modify, and does not otherwise need to reset.
Specifically, the Testing System of Transformer of the application include Power entry module 1, four-quadrant frequency converter 2, measurement module 3 and
Control module 4.The working principle of Testing System of Transformer includes:
1) Power entry module 1 inputs the incoming power (transmission line actually connecting with power grid, as Testing System of Transformer
Total power supply) output three-phase electricity, and the voltage of the electric signal of input is adjusted, to be embodied as matched transformer to be measured
Then electric signal adjusted is input to four-quadrant frequency converter 2 by electricity.
2) four-quadrant frequency converter 2 is after receiving electric signal adjusted, according to the electricity of primary side needed for transformer to be measured
It presses (input voltage for herein referring to transformer to be measured), further adjusts the voltage and frequency of received electric signal, and will adjust again
Electric signal after whole is input to the primary side of transformer to be measured, so that being embodied as transformer to be measured provides input electricity needed for it
Pressure.As it can be seen that four-quadrant frequency converter 2 can be directed to the transformer to be measured of different input voltages, the corresponding received electric signal of adjustment
Voltage and frequency, to meet the power supply of the transformer to be measured of different input voltages.
3) primary side of transformer to be measured is after input again electric signal adjusted, the secondary side phase of transformer to be measured
Electric signal after transformation should be exported is to four-quadrant frequency converter 2, it is seen then that four-quadrant frequency converter 2 is at this time as the negative of transformer to be measured
It carries.Due to its adjustable voltage, frequency and the power factor (PF) as load of four-quadrant frequency converter 2, so even if transformation to be measured
Device is the dedicated transformer under special operation condition, and four-quadrant frequency converter 2 can also adjust accordingly, be embodied as dedicated transformer provide with
Matched dedicated load.In addition, four-quadrant frequency converter 2 can also recycle the secondary of transformer to be measured using load feedback mode
Side electric energy realizes recycling for electric energy, reduces energy consumption.
4) when the primary side and secondary side of transformer to be measured have electric signal, with the primary side of transformer to be measured and secondary
The measurement module 3 that side is all connected with can measure its primary side electrical parameter and secondary side electrical parameter respectively, and by two sides electrical parameter
It is sent to control module 4, in order to which control module 4 is according to primary side electrical parameter and secondary side electrical parameter, to transformer to be measured
Performance Evaluation is carried out, to realize the test of transformer.
The utility model provides a kind of Testing System of Transformer, comprising: input terminal is connect with incoming power, for for
Survey the Power entry module of transformer distribution；The four-quadrant frequency converter of the output end of input terminal and Power entry module connection, matches for adjusting
The voltage and frequency of the power supply signal of electric module output, with primary side voltage needed for meeting transformer to be measured；And using load
Feedback mode recycles the secondary side electric energy of transformer to be measured to recycle；For measuring the primary side electrical parameter of transformer to be measured
With the measurement module of secondary side electrical parameter；For being carried out to transformer to be measured according to primary side electrical parameter and secondary side electrical parameter
The control module of Performance Evaluation.
Compared with Testing System of Transformer in the prior art, four-quadrant frequency conversion is added in the Testing System of Transformer of the application
Device, the voltage and frequency of the power supply signal of the adjustable Power entry module output of four-quadrant frequency converter, to meet different input electricity
The power supply of the transformer to be measured of pressure, so system is not necessarily to more input transformers of preparation to match the change to be measured of different input voltages
Depressor, to accelerate testing progress.Moreover, load of the four-quadrant frequency converter as transformer to be measured, in transformer to be measured
In test process, four-quadrant frequency converter can recycle the secondary side electric energy of transformer to be measured using load feedback mode, to realize
Electric energy recycles, to improve the utilization rate of energy, reduces energy consumption；In addition, under some special operation conditions
Dedicated transformer, four-quadrant frequency converter also it is adjustable its as load voltage, frequency and power factor (PF), with provide with specially
, to simplify test process, the testing time is shortened without being replaced to load with the matched load of transformer.
Referring to figure 2., Fig. 2 is the structural schematic diagram of another Testing System of Transformer provided by the utility model, the change
Depressor test macro is on the basis of the above embodiments:
As a kind of preferred embodiment, four-quadrant frequency converter 2 includes rectification unit AR2, positive inversion unit AR3 and regurgitation
Become unit AR4, measurement module 3 includes that primary side measurement cabinet and secondary side measure cabinet JX；Wherein:
Input terminal of the input terminal of rectification unit AR2 as four-quadrant frequency converter 2, the output end difference of rectification unit AR2
It is connect with the output end of the input terminal of positive inversion unit AR3 and anti-inversion unit AR4, the output end and one of positive inversion unit AR3
The input terminal of the first end connection of secondary side measurement cabinet, anti-inversion unit AR4 is connect with the first end of secondary side measurement cabinet JX, once
The second end and the second end of secondary side measurement cabinet JX and the primary side and secondary side of transformer to be measured of side measurement cabinet are correspondingly connected with,
The output end of primary side measurement cabinet and the output end of secondary side measurement cabinet JX are connect with control module 4.
Specifically, the four-quadrant frequency converter 2 of the application includes that rectification unit AR2, positive inversion unit AR3 and regurgitation become single
First AR4, wherein the alternating current of input is changed into direct current by rectification unit AR2, and positive inversion unit AR3 is by the direct current of input
It is changed into the electricity for the electric signal that alternating current, rectification unit AR2 and positive inversion unit AR3 export for realizing adjustment Power entry module 1
Pressure and frequency, to meet the power supply of the transformer to be measured of different input voltages；Anti- inversion unit AR4 is by the two of transformer to be measured
The alternating current of secondary side output is changed into direct current, and anti-inversion unit AR4 has rectification function at this time, to realize load feedback side
Formula recycles the secondary side electric energy of transformer to be measured；Since rectification unit AR2, positive inversion unit AR3 and anti-inversion unit AR4 are total
DC bus, so the DC power transmission of the secondary side electric energy transformation of anti-inversion unit AR4 recycling is defeated to positive inversion unit AR3
Enter end, to realize recycling for electric energy.
If the electric energy of anti-inversion unit AR4 recycling is just enough to positive inversion unit AR3 and uses, positive inversion unit AR3 is just not necessarily to
Electric energy is obtained from rectification unit AR2；If the electric energy of anti-inversion unit AR4 recycling is on the basis of positive inversion unit AR3 use, also
Remaining electric energy is just transmitted to rectification unit AR2 by remainder electric energy, anti-inversion unit AR4, and rectification unit AR2 has at this time
Inversion function, so that remaining electric energy is back to power grid；If not positive enough the inversion unit of electric energy of anti-inversion unit AR4 recycling
AR3 is used, and positive inversion unit AR3 just obtains electric energy from rectification unit AR2 to meet self-demand.
Here rectification unit AR2 can be selected but is not limited only to AFE (Active Front End, active front end) rectification
Unit, can not only Eliminate highter harmonic, increase power factor, and not influenced by power network fluctuation has good dynamic
Characteristic.As for the specific selection of rectification unit AR2, the application is not particularly limited herein.
In addition, the measurement module 3 of the application includes primary side electrical parameter (the i.e. input voltage for measuring transformer to be measured
And input current) primary side measure cabinet, secondary side electrical parameter (i.e. output voltage and output for measuring transformer to be measured
Electric current) secondary side measure cabinet JX.As it can be seen that primary side measurement cabinet and secondary side measurement cabinet JX inside be respectively provided with voltage sensor and
Current sensor.
As a kind of preferred embodiment, measurement module 3 further include:
Input terminal respectively with primary side measurement cabinet output end and secondary side measurement cabinet JX output end connect, output end and
The power analyzer that control module 4 connects.
Further, the measurement module 3 of the application further includes the power analyzer with multiple input path, primary side measurement
Cabinet and secondary side measurement cabinet JX are electric by the input voltage of the transformer to be measured of corresponding measurement, input current, output voltage and output
Stream, is separately input into the input channel of power analyzer.Then, power analyzer input voltage and input current based on the received
Input active power, based on the received output voltage and the output electric current for seeking transformer to be measured seek the output of transformer to be measured
Active power, and by the input active power and active power of output of transformer to be measured, the ethernet communication configured by itself
Interface is sent to control module 4, and control module 4 can be according to relational expression: efficiency=active power of output/input wattful power
Rate calculates the efficiency of transformer to be measured (it can be used as Performance Evaluation reference value).
Here power analyzer can be but be not limited only to the power analyzer of WT1800 series, and the application is not done herein
It is special to limit.
As a kind of preferred embodiment, Power entry module 1 includes power input cabinet AR1 and input transformer TM1；Wherein:
Input terminal of the input terminal of power input cabinet AR1 as Power entry module 1, the output end of power input cabinet AR1 with it is defeated
Enter the input terminal connection of transformer TM1, output end of the output end of input transformer TM1 as Power entry module 1.
Specifically, the Power entry module 1 of the application includes power input cabinet AR1 and input transformer TM1, power input cabinet
Total power supply of AR1 input test system, and by the primary of the electric signal transmission of total power supply to input transformer TM1
Side, in order to which (for example primary side voltage is input transformer TM1 from secondary side output to after the boosting of the electric signal of total power supply
380V, secondary side voltage are 720V).
As a kind of preferred embodiment, power input cabinet AR1 includes:
For when the electric current of place power supply line is more than that preset upper limit electric current and/or voltage are more than preset upper limit voltage,
Automatically cut off the automatic protection cut-out switch of power supply line.
Specifically, the power input cabinet AR1 of the application includes automatic protection cut-out switch, the work of automatic protection cut-out switch
With being: when the electric current of place power supply line (i.e. power supply line inside power input cabinet AR1) is more than set upper limit current,
And/or the voltage of place power supply line is when being more than set upper limit voltage, it is automatic to disconnect with power supply line where cutting off, to stop
Only to transformer-supplied to be measured (i.e. the power supply state that the switch state of automatic protection cut-out switch determines transformer to be measured), thus
Improve the safety and reliability of Testing System of Transformer.
In addition, power input cabinet AR1 can also include the voltage sensor for measuring the voltage in internal power supply line
Device, the current sensor for measuring the electric current in internal power supply line, voltage sensor and current sensor are by measurement
Electric signal is sent to control module 4, in order to which tester passes through the power supply feelings that control module 4 checks power input cabinet AR1
Condition.
As a kind of preferred embodiment, the Testing System of Transformer further include:
For detecting the temperature sensor of the connecting terminal temperature of transformer to be measured；Control module 4 is also used to work as terminals
When sub- temperature is greater than preset temperature, control automatic protection cut-out switch cuts off power supply line.
Further, it is contemplated that transformer to be measured (such as winding of transformer to be measured it is possible that some abnormal conditions
Insulation damages cause the abnormal conditions such as line short) cause own temperature excessively high, tester may be injured if serious
Safety, so, the Testing System of Transformer of the application further includes temperature sensor.Specifically, by temperature sensor acquire to
The connecting terminal temperature of transformer is surveyed, and sends it to control module 4；Control module 4 compare connecting terminal temperature with it is set
Temperature, when connecting terminal temperature is greater than established temperature, control automatic protection cut-out switch is disconnected, to cut off transformer to be measured
Power supply line, to protect the safety of tester.
As a kind of preferred embodiment, control module 4 includes industrial control computer and programmable logic controller (PLC)
PLC。
Specifically, Testing System of Transformer is based on industrial field bus control and PLC (Programmable Logic
Controller, programmable logic controller (PLC)) control technology building control module 4.Control module 4 is calculated including Industry Control
Machine and PLC, wherein industrial control computer can be by UPS (Uninterruptable Power System, uninterrupted electricity
Source) power supply, contain man-machine operation interface, and have the function of control, data acquisition, test data storage and post analysis etc.；PLC
Logic control and the interlock protection for completing test correlation subsystem, can be calculated by RS485 communication modes and Industry Control
Machine connection.
Here industrial control computer can be but be not limited only to IPC-510 industrial control computer, and the application is herein
It is not particularly limited.
As a kind of preferred embodiment, the Testing System of Transformer further include:
It is connect with industrial control computer, for printing the printer of assessment result.
Specifically, check that the assessment result of transformer performance, the application further include controlling with industry for the ease of tester
The printer of computer connection processed, assessment result can be printed, be checked for tester.
As a kind of preferred embodiment, which further includes filter cabinet AR5, multi-tap transformer
TM2 and voltage output for preparatory stepping itself input voltage switch cabinet AR6；Then primary side measurement cabinet includes being used for stepping certainly
First measurement cabinet JX1 of body input current and the second measurement cabinet JX2；Wherein:
The output end of positive inversion unit AR3 is connect with the input terminal of filter cabinet AR5, the first output of filter cabinet AR5
End is connect with multi-tap transformer TM2, second output terminal is connect with the first input measurement end of the second measurement cabinet JX2, multi-tap
The first output end of transformer TM2 connect with the second input measurement end of the second measurement cabinet JX2, second output terminal and voltage output
Switching the first end connection of cabinet AR6, the second end of voltage output switching cabinet AR6 is connect with the first end of the first measurement cabinet JX1, the
The second end of one measurement cabinet JX1 is connect with the primary side of the measurement output end of the second measurement cabinet JX2 and transformer to be measured respectively.
Further, it is contemplated that existing Testing System of Transformer has a single function, and each Testing System of Transformer can only be surveyed
A kind of transformer performance is tried, is tested to take into account a variety of transformer performances, then multiple Testing System of Transformer combinations is needed to realize,
But process is tedious, dismounting is inconvenient for the combination, causes testing efficiency low.So the Testing System of Transformer of the application is also
Switch cabinet AR6 including filter cabinet AR5, multi-tap transformer TM2 and voltage output, with the general of strengthen the system performance detection
Property, correspondingly, it includes the first measurement cabinet JX1 and the second measurement cabinet JX2 that primary side, which measures cabinet,.
Specifically, the Testing System of Transformer of the application is divided into three test branches, during the test, only one survey
Examination branch is in test mode (switch of the test branch road is closed), remaining two test branch does not work.Wherein, three
Test branch: first, filter-the second measures cabinet JX2- transformer to be measured, exports and filters from the second output terminal of filter
Wave is to transformer to be measured by PWM (Pulse Width Modulation, pulse width modulation) afterwards, to realize PWM load test；
Article 2, filter cabinet AR5- multi-tap transformer TM2- second measures cabinet JX2- transformer to be measured, from multi-tap transformer
Highest threshold voltage after the first output end output transformation of TM2 is to transformer to be measured, to realize big voltage tester；Article 3, filter
Wave device cabinet AR5- multi-tap transformer TM2- voltage output switches cabinet AR6- first and measures cabinet JX1- transformer to be measured, and voltage is defeated
Switching cabinet AR6 can carry out stepping (for example be divided into 50V, 100V, 200V tri- and keep off) to entered by himself voltage out, to realize big electricity
Current test, it is the voltage rating and rated current according to transformer to be measured that voltage output here, which switches gear locating for cabinet AR6,
It sets in advance；First measurement cabinet JX1 can carry out stepping to entered by himself electric current, the first measurement cabinet JX1 institute here
The gear at place is modified in high-current test, be security consideration, change first measurement cabinet JX1 locating for gear generally by
Manual operation.
As it can be seen that the Testing System of Transformer of the application can take into account the test of a variety of transformer performances, performance test versatility compared with
By force, automated integration degree is higher, to improve testing efficiency.
As a kind of preferred embodiment, voltage output switching cabinet AR6 includes:
The voltage stepping component of multiple parallel connections, wherein each voltage stepping component includes single voltage step switch or more
A concatenated voltage step switch；
And first measures the electric current step switch that cabinet JX1 includes multiple parallel connections.
Specifically, the voltage output measurement of the switching cabinet AR6 and first cabinet JX1 of the application passes through on-off mode to input electricity
Signal carries out stepping.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of Testing System of Transformer characterized by comprising
Input terminal is connect with incoming power, for the Power entry module for transformer distribution to be measured；
The four-quadrant frequency converter that input terminal is connect with the output end of the Power entry module, for adjusting the Power entry module output
The voltage and frequency of power supply signal, with primary side voltage needed for meeting the transformer to be measured；And using load feedback mode
The secondary side electric energy of the transformer to be measured is recycled to recycle；
For measuring the primary side electrical parameter of the transformer to be measured and the measurement module of secondary side electrical parameter；
For carrying out Performance Evaluation to the transformer to be measured according to the primary side electrical parameter and the secondary side electrical parameter
Control module.
2. Testing System of Transformer as described in claim 1, which is characterized in that the four-quadrant frequency converter includes that rectification is single
First, positive inversion unit and anti-inversion unit, the measurement module include primary side measurement cabinet and secondary side measurement cabinet；Wherein:
Input terminal of the input terminal of the rectification unit as the four-quadrant frequency converter, the output end difference of the rectification unit
It is connect with the output end of the input terminal of positive inversion unit and anti-inversion unit, the output end of the positive inversion unit and described primary
Side measures the first end connection of cabinet, and the input terminal of the anti-inversion unit is connect with the first end of secondary side measurement cabinet, institute
State the primary side and two of the second end of primary side measurement cabinet and the second end of secondary side measurement cabinet and the transformer to be measured
Secondary side is correspondingly connected with, the output end of the output end of primary side measurement cabinet and secondary side measurement cabinet with the observing and controlling mould
Block connection.
3. Testing System of Transformer as claimed in claim 2, which is characterized in that the measurement module further include:
Input terminal respectively with the primary side measurement cabinet output end and the secondary side measurement cabinet output end connect, output end
The power analyzer being connect with the control module.
4. Testing System of Transformer as claimed in claim 2, which is characterized in that the Power entry module include power input cabinet and
Input transformer；Wherein:
Input terminal of the input terminal of the power input cabinet as the Power entry module, the output end of the power input cabinet and institute
State the input terminal connection of input transformer, output end of the output end of the input transformer as the Power entry module.
5. Testing System of Transformer as claimed in claim 4, which is characterized in that the power input cabinet includes:
For when the electric current of place power supply line is more than that preset upper limit electric current and/or voltage are more than preset upper limit voltage, automatically
Cut off the automatic protection cut-out switch of the power supply line.
6. Testing System of Transformer as claimed in claim 5, which is characterized in that the Testing System of Transformer further include:
For detecting the temperature sensor of the connecting terminal temperature of the transformer to be measured；The control module is also used to when described
When connecting terminal temperature is greater than preset temperature, controls the automatic protection cut-out switch and cut off the power supply line.
7. Testing System of Transformer as claimed in claim 6, which is characterized in that the control module includes that Industry Control calculates
Machine and programmable logic controller (PLC) PLC.
8. Testing System of Transformer as claimed in claim 7, which is characterized in that the Testing System of Transformer further include:
It is connect with the industrial control computer, for printing the printer of assessment result.
9. such as the described in any item Testing System of Transformer of claim 2-8, which is characterized in that the Testing System of Transformer also wraps
Include filter cabinet, multi-tap transformer and the voltage output switching cabinet for itself input voltage of preparatory stepping；It is then described primary
Side measurement cabinet includes measuring cabinet and the second measurement cabinet for the first of stepping itself input current；Wherein:
The output end of the positive inversion unit is connect with the input terminal of the filter cabinet, the first output end of the filter cabinet
Connect with the multi-tap transformer, second output terminal with it is described second measurement cabinet the first input measurement end connect, it is described more
First output end of tapped transformer connect with the second input measurement end of the second measurement cabinet, second output terminal and the electricity
The first end of the first end connection of pressure output switching cabinet, the second end of the voltage output switching cabinet and the first measurement cabinet connects
It connects, the second end of the first measurement cabinet measures measure output end and the transformer to be measured one of cabinet with described second respectively
Secondary side connection.
10. Testing System of Transformer as claimed in claim 9, which is characterized in that the voltage output switches cabinet and includes:
The voltage stepping component of multiple parallel connections, wherein each voltage stepping component includes single voltage step switch or multiple strings
The voltage step switch of connection；
And the first measurement cabinet includes the electric current step switch of multiple parallel connections.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213582A (en) * | 2020-09-29 | 2021-01-12 | 北京智芯微电子科技有限公司 | Detection system, detection method, detection device and storage medium for electronic module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213582A (en) * | 2020-09-29 | 2021-01-12 | 北京智芯微电子科技有限公司 | Detection system, detection method, detection device and storage medium for electronic module |
| CN112213582B (en) * | 2020-09-29 | 2024-05-10 | 北京智芯微电子科技有限公司 | Detection system, detection method, detection device and storage medium for electronic module |
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