CN108919142A - Secondary radar power supply debugs platform and adjustment method - Google Patents
Secondary radar power supply debugs platform and adjustment method Download PDFInfo
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- CN108919142A CN108919142A CN201810845515.XA CN201810845515A CN108919142A CN 108919142 A CN108919142 A CN 108919142A CN 201810845515 A CN201810845515 A CN 201810845515A CN 108919142 A CN108919142 A CN 108919142A
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- power supply
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
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Abstract
The present invention relates to a kind of secondary radar power supplys to debug platform, including single-phase voltage regulator, electronic load, oscillograph, digital multimeter, megameter and signal connecting cable；Single-phase voltage regulator is used to provide the input of nominal AC electricity for power supply to be measured and inclined alternating current is drawn to input, to test the voltage stability index of power supply；Electronic load is used to generate unloaded and fully loaded load change, to test the laod stability index of power supply；Oscillograph is used to observe the ripple index of power supply output DC voltage；Digital multimeter is used to measure the numerical value of power supply output DC voltage；Megameter, for measuring the insulativity between power input and shielding ground, output end and shielding ground, input terminal and output end；Signal connecting cable is used to be tested the connection between power supply, single-phase voltage regulator, electronic load and shielding ground；The present invention is suitble to the debugging and maintenance of secondary radar power supply, and working efficiency can be improved, and reduces and avoid the fault in debugging efforts, improves the safety of power supply debugging efforts.
Description
Technical field
The present invention relates to a kind of design and implementations of the debugging platform of secondary radar power supply, belong to power supply debugging technique, fit
Debugging and maintenance for secondary radar power supply.
Background technique
Secondary radar is the important component of air traffic control system, is the important information source of air traffic control, be suitable for airport and
Routing monitoring, it is possible to provide power coverage area is provided with the distance, orientation, pressure altitude, identification generation of airborne answering machine aircraft
Code and other distinctive mark information are (such as：Critical, communication failure is held as a hostage, etc.).
Secondary radar is by transmitting request signal and receives answer signal, realizes the function for monitoring to cooperative target.It is secondary
The indoor equipment of radar is made of modules such as transmitter, receiver, signal processing, data processing, power supplys, and wherein power supply is to interior
Other modules of equipment provide DC power supply, and the kind and supply object of DC power supply are as shown in table 1.
1 DC power supply kind of table and supply object
To reduce volume, improve the integrated level of equipment, the power supply of secondary radar using integrated drive generator design, 5 kinds
Power supply is integrated in the metal insert box of the 6U high of a standard, and power input 220V alternating current exports the direct current of 5 kinds.
For secondary radar power supply, in addition to indexs such as stability of power supply, laod stability necessary to normal power supplies
It is required that outer, to reduce the noise coefficient of receiver, improving sensitivity ,+12V, -12V power supply used in receiver have low ripple
It is required that secondary radar power supply is to the specific requirement of above-mentioned technical indicator referring to table 2.
2 DC power supply technical indicator of table
| Serial number | Output | Ripple (virtual value) | Voltage stability | Laod stability |
| 1 | + 5VDC, 25A | ≤50mV | 1% | 4% |
| 2 | + 12VDC, 2A | ≤10mV | 1% | 3% |
| 3 | - 12VDC, 3A | ≤10mV | 1% | 3% |
| 4 | + 24VDC, 3A | ≤50mV | 1% | 2% |
| 5 | + 50VDC, 6A | ≤50mV | 1% | 2% |
The content of invention
For the technical indicator and debugging efforts of secondary radar power supply, the present invention provides a kind of debugging of secondary radar power supply
The design method and embodiment of platform.The present invention is suitble to the debugging and maintenance of secondary radar power supply, and working efficiency can be improved, subtract
It is small and avoid the fault in debugging efforts, improve the Personal Safety and equipment safety of power supply debugging efforts.
In order to solve problem above, present invention employs following technical solutions：
A kind of secondary radar power supply debugging platform, it is characterised in that：Including single-phase voltage regulator, electronic load, oscillograph, number
Word multimeter, megameter and signal connecting cable；
The single-phase voltage regulator is used to provide the input of standard 220V AC voltage and drawing partially ± 10% for power supply to be measured
Alternating voltage input, to test the voltage stability index of power supply to be measured；
The electronic load is used to generate unloaded and fully loaded load change, to test the laod stability of power supply to be measured
Index；
The oscillograph is used to observe the ripple index of power supply DC output voltage to be measured；
The digital multimeter is used to measure the voltage value of power supply output DC voltage to be measured；
The megameter, for measuring power input and shielding ground, output end and shielding ground, input terminal and output end
Between insulativity, it is ensured that insulation resistance be greater than 20 megohms.
The signal connecting cable is for the connection between single-phase voltage regulator, power supply to be measured, electronic load and shielding ground；
The connection type debugged to voltage stability is：
Single-phase voltage regulator, power supply to be measured, electronic load are connected with signal connecting cable, electronic load is set as fully loaded, root
According to the output voltage for requiring adjusting single-phase voltage regulator, different alternating voltages are provided with digital multimeter measurement single-phase voltage regulator and are inputted
When each DC output power of power supply to be measured voltage value.
The connection type debugged to laod stability is：
Single-phase voltage regulator, power supply to be measured, electronic load are connected with signal connecting cable, adjusts single-phase voltage regulator outputting standard
Alternating voltage adjusts electronic load to unloaded and fully loaded respectively, measures power supply to be measured under different electronic loads with digital multimeter
The output voltage values of each DC power supply.
The connection type tested ripple is：
Single-phase voltage regulator, power supply to be measured, electronic load are connected with signal connecting cable, adjusts single-phase voltage regulator output voltage
For standard AC voltage, electronic load is adjusted to DC voltage output end fully loaded, that oscillograph test is popped one's head in power supply to be measured
Whether connection, observation DC power output voltage ripple meet index request.
The connection type tested insulativity is：By two test pencils of megameter respectively with the input terminal of power supply and machine
It connects to shell, whether measurement input terminal insulation resistance meets the requirements；By two test pencils of megameter respectively with the output end of power supply
It with casing connect, whether measurement output end insulation resistance meets the requirements；Two test pencils of megameter are defeated with power supply respectively
Enter end to connect with output end, whether the insulation resistance measured between input terminal and output end meets the requirements.
Using the adjustment method of the secondary radar power supply debugging platform, it is characterised in that：
The adjustment method of stability of power supply is：Single-phase voltage regulator, power supply to be measured, Electronic Negative are connected with signal connecting cable
It carries, electronic load is set as fully loaded, adjusts single-phase voltage regulator and exports nominal threshold voltage and draw ± 10% voltage partially, uses digital versatile
Table measures and records the corresponding output voltage values V of each kind DC power supplylow、Vnominal、Vhigh, wherein VlowIt is single-phase voltage regulating
The output voltage values of each kind DC power supply of power supply to be adjusted, V when -10% voltage partially is drawn in device outputnominalIt is single-phase voltage regulator
The output voltage values of each kind DC power supply of power supply to be adjusted, V when exporting nominal voltagehighBe single-phase voltage regulator output draw partially+
The output voltage values of each kind DC power supply of power supply to be adjusted, are calculated from the formula each kind DC power supply when 10% voltage
Voltage stability be：
(Vhigh-Vlow)/Vnominal
The adjustment method of laod stability is：Single-phase voltage regulator, power supply to be measured, Electronic Negative are connected with signal connecting cable
It carries, adjusts single-phase voltage regulator and export nominal threshold voltage, adjusting electronic load is respectively unloaded and full load condition, uses digital multimeter
Measure and record the corresponding output voltage values V of each kind DC power supplyempty、Vfull, wherein VemptyIt is electronic load for zero load
When each kind DC power supply of power supply to be adjusted output voltage values, VfullBe electronic load be each kind of full load power supply to be adjusted
The output voltage values of DC power supply, the laod stability for being calculated from the formula each kind DC power supply is：
(Vempty-Vfull)/Vfull
The adjustment method of power supply ripple is：Single-phase voltage regulator, power supply to be measured, electronic load are connected with signal connecting cable,
The 220V that single-phase voltage regulator output voltage is standard is adjusted, electronic load is adjusted at full capacity, observes DC power output voltage
Whether ripple meets index request, is such as unsatisfactory for, and adjusts the devices such as feedback resistance and the filter capacitor of power supply to be measured, makes output electricity
Embossing wave meets index request.
The method tested insulativity is：Insulativity test is divided into input terminal and shields the insulativity, defeated between ground
Insulativity between outlet and shielding ground, three kinds of insulativity between input terminal and output end, test method difference is as follows：
Insulativity test method between input terminal and ground is：Two test pencils of megameter are overlapped on power input respectively
On the ground with shielding, hand megameter crank makes output voltage between two test pencil of megameter reach maximum DC voltage 500V, measures at end
Insulation resistance at this time should be greater than 20M Ω, if not satisfied, then needing to find out pressure-resistant inadequate reason and be excluded.
Insulativity test method between output end and ground is：Two test pencils of megameter are overlapped on power supply output respectively
On the ground with shielding, hand megameter crank makes output voltage between two test pencil of megameter reach maximum DC voltage 500V, measures at end
Insulation resistance at this time should be greater than 20M Ω, if not satisfied, then needing to find out pressure-resistant inadequate reason and be excluded.
Insulativity test method between input terminal and output end is：Two test pencils of megameter are overlapped on power supply respectively
On input terminal and output end, hand megameter crank makes output voltage between two test pencil of megameter reach maximum DC voltage 500V,
The insulation resistance measured at this time should be greater than 20M Ω, if not satisfied, then needing to find out pressure-resistant inadequate reason and be excluded.
The present invention has following beneficial effect for the immediate prior art：
The method for being powered on debugging after connecting using power supply to be measured and pressure regulator, electronic load again, operator is in power supply
The smooth change that pressure regulator achieves that power input alternating voltage to be measured only need to be adjusted in the debugging process of stability, was debugged
Journey is safe and reliable, and commissioning staff is made to avoid the danger that contact 220V alternating current is electrically shocked.
The method for being powered on debugging after being connected using power supply to be measured and pressure regulator, electronic load again, operator are being loaded
Achieve that the steady change of load by adjusting electronic load in the debugging process of stability, with electronic load realize it is unloaded,
Fully loaded variation, debugging process is safe and reliable, and the damage of power supply to be measured will not be caused because of misoperation.
Using the adjustment method of oscilloscope measurement power supply DC output voltage ripple, operator by single-phase voltage regulator, to
Power supply, electronic load to be surveyed to be powered on after connecting, when measurement, need to only connect the DC output voltage end of oscilloprobe and power supply,
With regard to the ripple index of observable and acquisition DC output voltage, debugging process safety makes commissioning staff avoid contact 220V and hands over
The danger that galvanic electricity is electrically shocked.
Using the method for megameter test insulation resistance, operator only need to be by megameter in insulation resistance debugging process
Two test pencils be overlapped on terminal to be measured respectively, voltage between two test pencils is shaken to maximum value by megameter crank --- 500V
DC voltage can directly read insulating resistance value from megameter gauge outfit, and debugging process safety avoids commissioning staff and insulated
The danger that testing high voltage 500V DC voltage wounds.
Detailed description of the invention
Fig. 1 stability of power supply, laod stability debug block diagram.
Fig. 2 ripple test block diagram.
Insulativity tests block diagram between Fig. 3 input terminal and ground.
Insulativity tests block diagram between Fig. 4 output end and ground.
Insulativity tests block diagram between Fig. 5 input terminal and output end.
Specific embodiment
For the debugging efforts for completing secondary radar power supply, some meter speciallies, the technical requirements and suggestion of instrument need to be used
Model is referring to table 3.
Instrument is used in the debugging of table 3
The present invention is illustrated with reference to the accompanying drawing.
By shown in attached drawing 1, power supply to be measured, single-phase voltage regulator, electronic load are connected with signal connecting cable, for each product
Kind power supply sets fully loaded (current value is arranged by table 1) for electronic load respectively, and adjusting single-phase voltage regulator output is 198V (negative bias
10%) it is corresponding to measure and record each kind DC power supply with digital multimeter by, 220V (nominal value), 242V (positively biased 10%)
Output voltage values Vlow、Vnominal、Vhigh, the voltage stability for being calculated from the formula each kind DC power supply is：
Voltage stability=(Vhigh-Vlow)/Vnominal。
The adjustment method of laod stability is：
By shown in attached drawing 1, with signal connecting cable connection power supply to be measured, single-phase voltage regulator, electronic load, single-phase tune is adjusted
Depressor output voltage is the 220V of standard, adjusts electronic load respectively unloaded (electric current is 0 ampere) and is fully loaded with (by the setting of table 1
Current value), the corresponding output voltage values V of each kind DC power supply is measured and recorded with digital multimeterempty、Vfull, according to
The laod stability that formula calculates each kind DC power supply is：
Laod stability=(Vempty-Vfull)/Vfull。
The adjustment method of power supply ripple is：
By shown in attached drawing 2, with signal connecting cable connection power supply to be measured, single-phase voltage regulator, sub- load, single-phase voltage regulating is adjusted
Device output voltage is the 220V of standard, adjusts electronic load to fully loaded (current value is arranged by table 1), observation DC power supply output electricity
Whether embossing wave meets index request, is such as unsatisfactory for, and adjusts power circuit and related device, output voltage ripple is made to meet index
It is required that.
Insulativity test be divided into insulativity between the insulativity between input terminal and ground, output end and ground, input terminal with
Insulativity totally three kinds of tests between output end, test method difference are as follows：
Insulativity test method between input terminal and ground is：
By shown in attached drawing 3, two test pencils of 500V megohm meter are overlapped on to any input terminal and shielding ground of power supply respectively
On, rotation megameter handle is pressurized to 500V, and the insulation resistance that megameter gauge outfit is shown should be greater than 20M Ω, if not satisfied, then needing
It finds out pressure-resistant inadequate reason and is excluded.
Insulativity test method between output end and ground is：
By shown in attached drawing 4, two test pencils of 500V megohm meter are overlapped on to any output end and shielding ground of power supply respectively
On, rotation megameter handle is pressurized to 500V, and the insulation resistance that megameter gauge outfit is shown should be greater than 20M Ω, if not satisfied, then needing
It finds out pressure-resistant inadequate reason and is excluded.
By shown in attached drawing 5, by two test pencils of 500V megohm meter be overlapped on respectively any input terminal of power supply with it is any defeated
In outlet, rotation megameter handle is pressurized to 500V, and the insulation resistance that megameter gauge outfit is shown should be greater than 20M Ω, if not satisfied,
It then needs to find out pressure-resistant inadequate reason and be excluded.
The foregoing is only a preferred embodiment of the present invention, is not restricted to the present invention, for the technology of this field
For personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should be included within scope of the presently claimed invention.
Claims (4)
1. a kind of secondary radar power supply debugs platform, it is characterised in that：Including single-phase voltage regulator, electronic load, oscillograph, number
Multimeter, megameter and signal connecting cable；
The single-phase voltage regulator is used to input for power source supplies AC to be measured, to test the voltage stability index of power supply；
The electronic load is used to generate unloaded and fully loaded load change, to test the laod stability index of power supply；
The oscillograph is used to observe the ripple index of power supply DC output voltage to be measured；
The digital multimeter is used to measure the numerical value of power supply DC output voltage to be measured；
The megameter, for measuring power input to be measured and shielding ground, output end and shielding ground, input terminal and output end
Between insulativity；
The signal connecting cable is for the connection between single-phase voltage regulator, power supply to be adjusted, electronic load；
The connection type debugged to voltage stability is：
Single-phase voltage regulator, power supply to be adjusted, electronic load are connected with signal connecting cable, electronic load is set as fully loaded, according to wanting
The output voltage for adjusting single-phase voltage regulator is sought, the output voltage of DC power supply under different input voltages is measured with digital multimeter
Value；
The connection type debugged to laod stability is：
Single-phase voltage regulator, power supply to be adjusted, electronic load are connected with signal connecting cable, adjusting single-phase voltage regulator output voltage is mark
Quasi- voltage, adjusting electronic load to zero load or fully loaded, the output of DC power supply under different electronic loads is measured with digital multimeter
Voltage value；
The connection type tested ripple is：
Single-phase voltage regulator, power supply to be adjusted, electronic load are connected with signal connecting cable, adjusting single-phase voltage regulator output voltage is mark
Quasi- voltage adjusts electronic load to being fully loaded with, and whether observation DC power output voltage ripple meets index request；
The connection type tested insulativity is：
Two test pencils of megameter with casing are connect with the input terminal of power supply respectively, whether measurement input terminal insulation resistance is full
Foot requires；Two test pencils of megameter with casing are connect with the output end of power supply respectively, measurement output end insulation resistance is
It is no to meet the requirements；Two test pencils of megameter are connect with the input terminal of power supply with output end respectively, measurement input terminal and output
Whether the insulation resistance between end meets the requirements.
2. secondary radar power supply according to claim 1 debugs platform, it is characterised in that：The single-phase voltage regulator is used for
The power input of the nominal input of 220V alternating current and drawing partially ± 10% is provided for power supply to be measured.
3. secondary radar power supply according to claim 1 debugs platform, it is characterised in that：The megameter, for surveying
Measure the insulativity between power input to be measured and shielding ground, output end and shielding ground, input terminal and output end, it is ensured that insulated electro
Resistance is greater than 20 megohms.
4. the adjustment method of application secondary radar power supply described in claim 1 debugging platform, which is characterized in that
The adjustment method of voltage stability is：Single-phase voltage regulator, power supply to be adjusted, electronic load, electricity are connected with signal connecting cable
Son load is set as fully loaded, adjusts the voltage of single-phase voltage regulator outputting standard voltage and drawing partially ± 10%, is surveyed with digital multimeter
It measures and records the corresponding output voltage values V of each kind DC power supplylow、Vnominal、Vhigh, wherein VlowIt is that single-phase voltage regulator is defeated
The output voltage values of each kind DC power supply of power supply to be adjusted, V when voltage draws inclined normal voltage -10% outnominalIt is single-phase tune
The output voltage values of each kind DC power supply of power supply to be adjusted, V when depressor outputting standard voltagehighIt is single-phase voltage regulator output electricity
The output voltage values of each kind DC power supply of power supply to be adjusted, are calculated from the formula each when pressure draws inclined normal voltage+10%
The voltage stability of kind DC power supply is：
(Vhigh-Vlow)/Vnominal
The adjustment method of laod stability is：Single-phase voltage regulator, power supply to be adjusted, electronic load are connected with signal connecting cable, is adjusted
Single-phase voltage regulator outputting standard voltage is saved, adjusting electronic load is respectively unloaded and full load condition, simultaneously with digital multimeter measurement
Record the corresponding output voltage values V of each kind DC power supplyempty、Vfull, wherein VemptyIt waits adjusting when be electronic load being unloaded
The output voltage values of each kind DC power supply of power supply, VfullBe electronic load be each kind direct current of full load power supply to be adjusted
The output voltage values in source, the laod stability for being calculated from the formula each kind DC power supply are：
(Vempty-Vfull)/Vfull
The adjustment method of power supply ripple is：With the connection of signal connecting cable to single-phase voltage regulator, power supply to be adjusted, electronic load, adjust
Single-phase voltage regulator outputting standard voltage is saved, adjusts electronic load at full capacity, whether observation DC power output voltage ripple is full
Sufficient index request, is such as unsatisfactory for, and adjusts feedback resistance and filter capacitor, output voltage ripple is made to meet index request；
The method tested insulativity is：
Insulativity test be divided into input terminal and shield ground between insulativity, output end and shielding ground between insulativity, input
Three kinds of insulativities between end and output end, test method difference are as follows：
Insulativity test method between input terminal and ground is：Two test pencils of megameter are overlapped on power input to be adjusted respectively
On the ground with shielding, hand megameter crank makes output voltage between two test pencil of megameter reach maximum DC voltage 500V, measures at end
Insulation resistance should be greater than 20M Ω, if not satisfied, then needing to find out pressure-resistant inadequate reason and being excluded；
Insulativity test method between output end and ground is：Two test pencils of megameter are overlapped on power supply to be adjusted respectively to export
On the ground with shielding, hand megameter crank makes output voltage between two test pencil of megameter reach maximum DC voltage 500V, measures at end
Insulation resistance at this time should be greater than 20M Ω, if not satisfied, then needing to find out pressure-resistant inadequate reason and be excluded.
Insulativity test method between input terminal and output end is：Two test pencils of megameter are overlapped on power supply to be adjusted respectively
On input terminal and output end, hand megameter crank makes output voltage between two test pencil of megameter reach maximum DC voltage 500V,
The insulation resistance measured at this time should be greater than 20M Ω, if not satisfied, then needing to find out pressure-resistant inadequate reason and be excluded.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810845515.XA CN108919142A (en) | 2018-07-27 | 2018-07-27 | Secondary radar power supply debugs platform and adjustment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810845515.XA CN108919142A (en) | 2018-07-27 | 2018-07-27 | Secondary radar power supply debugs platform and adjustment method |
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| CN108919142A true CN108919142A (en) | 2018-11-30 |
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| CN201810845515.XA Pending CN108919142A (en) | 2018-07-27 | 2018-07-27 | Secondary radar power supply debugs platform and adjustment method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111239468A (en) * | 2020-01-21 | 2020-06-05 | 合肥中科离子医学技术装备有限公司 | Test structure of power supply current ripple of beam deflection electromagnet of medical accelerator |
| CN111505526A (en) * | 2020-05-09 | 2020-08-07 | 北京航天时代光电科技有限公司 | Intelligent test system and method for secondary power supply circuit |
| CN113049980A (en) * | 2019-07-30 | 2021-06-29 | 深圳市泛海三江电子股份有限公司 | Test method for testing load voltage stability of fire power supply |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049980A (en) * | 2019-07-30 | 2021-06-29 | 深圳市泛海三江电子股份有限公司 | Test method for testing load voltage stability of fire power supply |
| CN113049980B (en) * | 2019-07-30 | 2024-05-31 | 深圳市高新投三江电子股份有限公司 | Automatic testing method for fire-fighting power supply |
| CN111239468A (en) * | 2020-01-21 | 2020-06-05 | 合肥中科离子医学技术装备有限公司 | Test structure of power supply current ripple of beam deflection electromagnet of medical accelerator |
| CN111505526A (en) * | 2020-05-09 | 2020-08-07 | 北京航天时代光电科技有限公司 | Intelligent test system and method for secondary power supply circuit |
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