CN106371035A - Three-phase precision test power supply error measurement system and method - Google Patents
Three-phase precision test power supply error measurement system and method Download PDFInfo
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- CN106371035A CN106371035A CN201610776022.6A CN201610776022A CN106371035A CN 106371035 A CN106371035 A CN 106371035A CN 201610776022 A CN201610776022 A CN 201610776022A CN 106371035 A CN106371035 A CN 106371035A
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- power supply
- phase
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- electric energy
- precise
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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
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
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- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The present invention provides a three-phase precision test power supply error measurement system. The system comprises a three-phase precision test power supply, a three-phase electric energy meter scene calibration instrument and a test module; the three-phase electric energy meter scene calibration instrument is connected with the three-phase precision test power supply and is configured to measure the parameters of the three-phase precision test power supply; the test module is connected with the three-phase precision test power supply to send a control instruction to the three-phase precision test power supply; and the test module is connected with the three-phase electric energy meter scene calibration instrument to calculate the average error value of the parameters according to the reading parameters of the three-phase precision test power supply and store the average error value to the database of the test module. The present invention further provides an error measurement method based on the three-phase precision test power supply. The three-phase precision test power supply error measurement system and method can ensure the workers' personal safety, scientific in design and simple in structure with no need for manual measurement.
Description
Technical field
The present invention relates to three-phase precise tests the parametric calibration of power supply, specifically, relate to a kind of three-phase precise test
The error measuring system of power supply and measuring method.
Background technology
Wt-dy300e three-phase precise test power supply is a kind of high stability virtual load power supply, can pass through keyboard or computer
Being controlled to testing equipment provides amplitude, frequency, the three-phase voltage of phase-adjustable, current signal, meets each phase voltage electric current output
Output precise requirements in 50hz and 55hz, 400hz.Can be provided 2 ~ 21 times for testing equipment by computer controls during use
Harmonic wave, and show theoretical harmonic wave forms.
Survey because the factor of each side such as environment, temperature, humidity and working time easily affects wt-dy300e three-phase precise
The parameters of examination power supply, therefore, calibration of periodically the parameter of wt-dy300e three-phase precise test power supply being compared.Logical
When the parameter testing power supply to wt-dy300e three-phase precise in the case of often is calibrated, need manual testing under high-pressure work,
Wiring bothers, and has potential safety hazard.
In order to solve with present on problem, people are seeking a kind of preferable technical solution always.
Content of the invention
The purpose of the present invention is for the deficiencies in the prior art, thus providing the error that a kind of three-phase precise tests power supply
Measuring system and measuring method, have design science, and structure is simple, the high advantage of degree of accuracy.
To achieve these goals, the technical solution adopted in the present invention is: a kind of three-phase precise tests the error of power supply
Measuring system, including three-phase precise test power supply, three-phase electric energy meter on-site calibrator and test module, described three-phase electric energy performance
Field tester is connected with described three-phase precise test power supply, tests the parameter of power supply, such as three-phase for measuring described three-phase precise
The amplitude of voltage, frequency, phase place, the amplitude of three-phase current, frequency, phase place；Described test module and described three-phase precise test
Power supply connects, to send control instruction to described three-phase precise test power supply；Described test module and described three-phase electric energy performance
Field tester connects, and with the parameter according to the described three precision measurement power supplys reading, the average error value of calculating parameter, and incites somebody to action
This average error value is saved in the data base of described test module.
Relay interface is included based on three-phase precise described above test power supply, described relay interface connects described three-phase
Electric energy meter on-site calibrator, for connecting described three-phase precise test power supply and described three-phase electric energy meter according to described control instruction
Circuit between on-site calibrator.
A kind of measuring method of the error measuring system being tested power supply based on described three-phase precise, is comprised the following steps:
Step 1, initializes described test module, described three-phase precise test power supply and described three-phase electric energy meter on-site calibrator；
Step 2, described test module sends control instruction to described three-phase precise test power supply, controls described relay interface to inhale
Close, described three-phase precise test power supply is connected with described three-phase electric energy meter on-site calibrator, described three-phase electric energy meter on-site school
Test the supplemental characteristic that three-phase precise described in instrument Real-time Collection tests power supply；
Step 3, described test module reads supplemental characteristic, and described supplemental characteristic expected value corresponding respectively is compared,
Obtain the initial error value of described supplemental characteristic；
Step 4, accumulative testing time, judge whether described testing time is more than preset times n, if it is not, then repeated execution of steps 2
With step 3；If so, then continue executing with step 5；
Step 5, obtains average error value by after the initial error value averaged of n described supplemental characteristic, and preserves；
Step 6, exits test, and described testing time is reset.
Hinge structure of the present invention has prominent substantive distinguishing features and significantly improves, and specifically, the present invention exists
Test the ginseng of power supply by the multigroup described three-phase precise of described three-phase electric energy meter on-site calibrator Real-time Collection in special time period
Numerical value, and ask for the parameter average error value that multigroup described three-phase precise tests power supply, join without manual measurement in whole process
Number error, has ensured the personal safety of staff, has had design science, the simple advantage of structure.
Brief description
Fig. 1 is the theory diagram of the present invention.
Fig. 2 is the schematic flow sheet of the present invention.
Specific embodiment
Below by specific embodiment, technical scheme is described in further detail.
As shown in figure 1, a kind of three-phase precise tests the error measuring system of power supply, include three-phase precise test power supply, three
Phase electric energy meter on-site calibrator and test module, described three-phase precise test power supply includes relay interface, described three-phase precise
Test power supply passes through described relay interface and connects described three-phase electric energy meter on-site calibrator；Described three-phase electric energy meter on-site verification
Instrument is used for measuring the parameter that described three-phase precise tests power supply, the such as amplitude of three-phase voltage, frequency, phase place, the width of three-phase current
Degree, frequency, phase place；Described test module is connected with described three-phase precise test power supply, to test power supply to described three-phase precise
Send control instruction；Described test module is connected with described three-phase electric energy meter on-site calibrator, with according to described three reading
The parameter of precision measurement power supply, the average error value of calculating parameter respectively, and this average error value is saved in described test mould
In the data base of block.
The present invention connects described three-phase precise test power supply and described three-phase electric energy meter by the adhesive of relay interface
Circuit between on-site calibrator, so that described three electric energy meter on-site calibrators can be with three-phase precise described in Real-time Collection
The parameters value of test power supply, such as magnitude of voltage and current value etc.；Described test module reads described three-phase precise and tests power supply
Parameters value, and it is compared with the expected value of default parameters, thus calculating the mistake of parameters value
Difference；Whole process is all automatically performed, it is to avoid manual testing under high-pressure work, eliminates potential safety hazard, has ensured workman's
Personal safety；Modular structure also reduces the trouble of wiring simultaneously.
As shown in Fig. 2 a kind of based on described three-phase precise test power supply error measuring system measuring method, including with
Lower step:
Step 1, initializes described test module, described three-phase precise test power supply and described three-phase electric energy meter on-site calibrator；
Step 2, described test module sends control instruction to described three-phase precise test power supply, controls described relay interface to inhale
Close, described three-phase precise test power supply is connected with described three-phase electric energy meter on-site calibrator, described three-phase electric energy meter on-site school
Test the supplemental characteristic that three-phase precise described in instrument Real-time Collection tests power supply；
Step 3, described test module reads supplemental characteristic, and described supplemental characteristic expected value corresponding respectively is compared,
Obtain the initial error value of described supplemental characteristic；
Step 4, accumulative testing time, judge whether described testing time is more than preset times n, in the present embodiment, n is 10, if
No, then repeated execution of steps 2 and step 3；If so, then continue executing with step 5；
Step 5, obtains average error value by after the initial error value averaged of 10 supplemental characteristics, and preserves；
Step 6, exits test, and described testing time is reset.
Finally it should be noted that: above example is only not intended to limit in order to technical scheme to be described；To the greatest extent
Pipe has been described in detail to the present invention with reference to preferred embodiment, and those of ordinary skill in the art are it is understood that still
The specific embodiment of the present invention can be modified or equivalent is carried out to some technical characteristics；Without deviating from this
The spirit of bright technical scheme, it all should be covered in the middle of the technical scheme scope that the present invention is claimed.
Claims (3)
1. a kind of three-phase precise test power supply error measuring system it is characterised in that: include three-phase precise test power supply, three-phase
Electric energy meter on-site calibrator and test module, described three-phase electric energy meter on-site calibrator is with described three-phase precise test power supply even
Connect, test the parameter of power supply for measuring described three-phase precise；Described test module is connected with described three-phase precise test power supply,
To send control instruction to described three-phase precise test power supply；Described test module is with described three-phase electric energy meter on-site calibrator even
Connect, with the parameter according to the described three precision measurement power supplys reading, the average error value of calculating parameter, and by this mean error
Value is saved in the data base of described test module.
2. three-phase precise according to claim 1 test power supply error measuring system it is characterised in that: described three-phase essence
Density test power supply includes relay interface, and described relay interface connects described three-phase electric energy meter on-site calibrator, for basis
Described control instruction is connected described three-phase precise and is tested the circuit between power supply and described three-phase electric energy meter on-site calibrator.
3. a kind of measuring method of the error measuring system testing power supply based on the three-phase precise described in claim 1, its feature
It is, comprise the following steps:
Step 1, initializes described test module, described three-phase precise test power supply and described three-phase electric energy meter on-site calibrator；
Step 2, described test module sends control instruction to described three-phase precise test power supply, controls described relay interface to inhale
Close, described three-phase precise test power supply is connected with described three-phase electric energy meter on-site calibrator, described three-phase electric energy meter on-site school
Test the supplemental characteristic that three-phase precise described in instrument Real-time Collection tests power supply；
Step 3, described test module reads supplemental characteristic, and described supplemental characteristic expected value corresponding respectively is compared,
Obtain the initial error value of described supplemental characteristic；
Step 4, accumulative testing time, judge whether described testing time is more than preset times n, if it is not, then repeated execution of steps 2
With step 3；If so, then continue executing with step 5；
Step 5, obtains average error value by after the initial error value averaged of n described supplemental characteristic, and preserves；
Step 6, exits test, and described testing time is reset.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610776022.6A CN106371035A (en) | 2016-08-31 | 2016-08-31 | Three-phase precision test power supply error measurement system and method |
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| CN201610776022.6A CN106371035A (en) | 2016-08-31 | 2016-08-31 | Three-phase precision test power supply error measurement system and method |
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Citations (6)
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|---|---|---|---|---|
| CN101634695A (en) * | 2009-06-12 | 2010-01-27 | 深圳市科陆电子科技股份有限公司 | Method and device for calibrating power source |
| CN101819260A (en) * | 2010-03-19 | 2010-09-01 | 深圳市东辰科技有限公司 | Method and system for controlling power supply test and power supply test method |
| CN103163490A (en) * | 2013-02-19 | 2013-06-19 | 瑞斯康达科技发展股份有限公司 | Detecting device and detecting method of device power supply performance |
| CN103941198A (en) * | 2014-05-13 | 2014-07-23 | 山东大学 | Working method of embedding-based power module general testing platform |
| CN104459566A (en) * | 2014-12-09 | 2015-03-25 | 西京学院 | Secondary electric power supply testing system and method |
| CN105629183A (en) * | 2014-11-07 | 2016-06-01 | 德律科技股份有限公司 | Three-phase power supply detection device, system and method |
-
2016
- 2016-08-31 CN CN201610776022.6A patent/CN106371035A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634695A (en) * | 2009-06-12 | 2010-01-27 | 深圳市科陆电子科技股份有限公司 | Method and device for calibrating power source |
| CN101819260A (en) * | 2010-03-19 | 2010-09-01 | 深圳市东辰科技有限公司 | Method and system for controlling power supply test and power supply test method |
| CN103163490A (en) * | 2013-02-19 | 2013-06-19 | 瑞斯康达科技发展股份有限公司 | Detecting device and detecting method of device power supply performance |
| CN103941198A (en) * | 2014-05-13 | 2014-07-23 | 山东大学 | Working method of embedding-based power module general testing platform |
| CN105629183A (en) * | 2014-11-07 | 2016-06-01 | 德律科技股份有限公司 | Three-phase power supply detection device, system and method |
| CN104459566A (en) * | 2014-12-09 | 2015-03-25 | 西京学院 | Secondary electric power supply testing system and method |
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