CN109507459A - Standard electric signal creating method, device and accuracy checking method of one or two fusion switchgears and system - Google Patents
Standard electric signal creating method, device and accuracy checking method of one or two fusion switchgears and system Download PDFInfo
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- CN109507459A CN109507459A CN201811425329.7A CN201811425329A CN109507459A CN 109507459 A CN109507459 A CN 109507459A CN 201811425329 A CN201811425329 A CN 201811425329A CN 109507459 A CN109507459 A CN 109507459A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/28—Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
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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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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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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Abstract
It include: that electric signal preset instructions are converted into simulation input electric signal the invention discloses a kind of standard electric signal creating method, device and accuracy checking method of one or two fusion switchgears and system, the standard electric signal creating method；Processing and noise suppressed processing are amplified to simulation input electric signal, obtain simulation output electric signal；Back production simulation output electric signal, and carry out PI and adjust correction, make it equal to standard electric signal.Accuracy checking method includes: to provide respective load according to default load command to be tested the mutual inductor of one or two fusion switchgears；By electric signal load of standard in the mutual inductor primary side；The electric signal that mutual inductor secondary side exports is compared with the secondary electric signal of standard, obtain error electric signal and carries out accuracy detection interpretation of result.The present invention can export the standard electric signal of high-precision, high stability, carry out an accuracy detection using the standard electric signal, can guarantee the accuracy of testing result.
Description
Technical field
The invention belongs to distribution network technology fields, specifically, being related to a kind of standard electric signal creating method, device and one or two
Secondary accuracy checking method of fusion switchgear and system.
Background technique
One or two fusion switchgears be by Switch equipment and secondary voltage current transformer, state sensor and
The novel intelligent equipment that the equipment such as intelligent terminal are designed for uniformity, mutually merge and are formed, have measurement and transmission agency,
Fault detection and processing function, stabilization function, feeder automation function etc..
To guarantee one or two fusion switchgear reliabilities, primary essence should be carried out to one or two fusion switchgear assemblies
Degree detection (transformer precision detection), complete accuracy detection (switchgear ontology and terminal integral accuracy detection), ground connection event
Hinder the tests such as detection function test, transmission agency detection.
For above-mentioned each detection project, satisfactory detection system there is no at present.It is specific: one or two fusions are opened
The accuracy detection test for closing equipment, lacks the three-phase high-voltage calibration power output device of high-precision and high-stability, needs to dash forward
The technical issues of being interfered with each other between broken three-phase system and between voltage and current output loop.
Summary of the invention
It is an object of the invention to overcome deficiency in the prior art, a kind of standard electric signal creating method, device are provided
And accuracy checking method of one or two fusion switchgears and system, high-precision, the standard telecommunications of high stability can be exported
Number, and realize that a precision of one or two fusion switchgears accurately detects.
In order to achieve the above objectives, the present invention adopts the following technical solutions realization:
In a first aspect, described method includes following steps the present invention provides a kind of standard electric signal creating method:
Electric signal preset instructions are converted into simulation input electric signal；
Processing and noise suppressed processing are amplified to simulation input electric signal, obtain simulation output electric signal；
Simulation output electric signal described in back production, and carry out PI link and adjust correction, so that simulation output electric signal is equal to standard
Electric signal.
Second aspect, the present invention provides a kind of standard electric signal generating apparatus, described device includes:
Instruction converting unit: for electric signal preset instructions to be converted into simulation input electric signal；
Signal amplification unit: for amplifying processing and noise suppressed processing to simulation input electric signal, output is obtained
Electric signal；
Signal back production unit: it for simulation output electric signal described in back production, and carries out PI link and adjusts correction, make to simulate defeated
Electric signal is equal to standard electric signal out.
The third aspect, the present invention provides a kind of accuracy checking method of one or two fusion switchgears, the methods
Include the following steps:
Respective load is provided according to default load command to be tested the mutual inductor of one or two fusion switchgears；
By electric signal load of standard in the mutual inductor primary side for being tested one or two fusion switchgears；
By the electric signal and the secondary electric signal phase of standard of the mutual inductor secondary side output of tested one or two fusion switchgears
Compare, obtains error electric signal；
An accuracy detection interpretation of result of tested one or two fusion switchgears is carried out according to error electric signal.
Fourth aspect, the present invention provides a kind of precision detection system of one or two fusion switchgears, the systems
Include:
Standard electric signal generation unit: for being to be tested one or two fusion switchgears according to an electric signal preset instructions
Mutual inductor primary side electric signal of standard is provided, and provide standard two according to electric signal of standard for mutual-inductor tester
Secondary electric signal；
Automate load box: corresponding for providing according to respectively tested one or the two fusion switchgears of default load command
Load；
Mutual inductor check meter: for the secondary electric signal of the standard to be merged to the mutual inductor of switchgear with tested one or two times
The secondary electric signal of secondary side output compares, and obtains corresponding electric signal error；
Master station: for issuing an electric signal preset instructions and default load command, for missing according to the electric signal
Difference carries out an accuracy detection interpretation of result of tested one or two fusion switchgears.
To sum up, standard electric signal creating method provided by the invention, device and one or two fusion devices accuracy detection
Method and system obtain standard electric signal through signal processing according to preset instructions, can guarantee that the high-precision of electric signal and height are steady
It is qualitative, it can be achieved that one or two fusion switchgears an accuracy detection, and help to improve the accuracy of testing result, meet
The requirement of accuracy detection of one or two fusion switchgears.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to use required in the embodiment of the present invention
Attached drawing be briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural schematic diagram of tested one or two fusion switchgears；
Fig. 2 is a kind of functional block diagram of the standard electric signal generating apparatus provided according to embodiments of the present invention；
Fig. 3 is the structural schematic diagram of the precision detection system of one kind provided according to embodiments of the present invention；
In figure: 1, Switch main body；2,3: voltage transformer；4, intelligent terminal；5, a connecting cable；6, secondary connection electricity
Cable.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
It should be appreciated that electric signal described in the embodiment of the present invention includes voltage signal and current signal.It is tested one or two times and melts
Combination switch equipment should include: Switch main body 1, voltage transformer 2,3,4, connecting cables 5 of intelligent terminal and secondary connection
Cable 6,1 built-in current mutual inductor of Switch main body are specific as shown in Figure 1.Wherein, Switch main body 1 has closure and cut-offs normal
The function of electric current and fault current, the secondary side of current transformer are wrapped on annular core and cover each phase in Switch main body 1
On, it flows through the primary current signal of Switch main body 1 for acquiring and is converted to secondary current signal, through the secondary of Switch main body 1
Connecting cable passes to intelligent terminal 4；The primary side of voltage transformer 2 is connected in parallel A, B phase connector of Switch main body 1, is used for
The acquisition alternate line voltage signal of A, B is simultaneously converted to secondary voltage signal, and the primary side of voltage transformer 3 is connected in parallel switch originally
B, C phase connector of body 1, for acquiring the alternate line voltage signal of B, C and being converted to secondary voltage signal；Secondary voltage signal warp
Secondary connecting cable passes to intelligent terminal 4；Intelligent terminal 4 has the function of data acquisition, control, protection etc..
Standard electric signal generating apparatus provided in an embodiment of the present invention, as shown in Figure 2, comprising:
Instruction converting unit: for electric signal preset instructions to be converted into simulation input electric signal；
Signal amplification unit: for amplifying processing and noise suppressed processing to simulation input electric signal, output is obtained
Electric signal；
Signal back production unit: it for simulation output electric signal described in back production, and carries out PI link and adjusts correction, make to simulate defeated
Electric signal is equal to standard electric signal out.
Wherein, instruction converting unit includes:
DSP module: specific: can be by industrial personal computer for electric signal preset instructions to be decoded into numeral input electric signal
The signal that master station issues is received, voltage, electric current preset instructions are generated and is forwarded to DSP module, DSP module is used for voltage is pre-
If Instruction decoding is decoded into digital input signal signal at numeral input voltage signal, by electric current preset instructions；
D/A conversion module: specific: will be digital for the numeral input electric signal to be converted into simulation input electric signal
Input voltage signal is converted to analog input voltage signal, and digital input signal signal is converted to simulation input current signal,
Purpose is easy for subsequent enhanced processing, to obtain high voltage, high current signal.
Wherein, signal amplification unit can carry out enhanced processing twice to simulation input electric signal, with obtain high voltage and
High current signal, specifically includes:
Power amplifier: for simulation input electric signal is amplified and noise suppressed processing；Power amplifier simultaneously
With the function of smooth adjustment, to improve the precision of simulation output electric signal；
Booster: the analog voltage signal for exporting to power amplifier carries out boosting processing, obtains analog electrical output
Press signal；
Current lifting device: the analog current signal for exporting to power amplifier carries out up-flow processing, obtains analog electrical output
Flow signal.
Wherein, signal back production unit can carry out feedback and correction processing to simulation output electric signal, it is ensured that simulation
Output electric signal is standard electric signal, is specifically included:
Standard mutual inductor: for obtaining corresponding secondary electric signal using simulation output electric signal as an electric signal.
AD back production module: digital back production electricity is converted into for secondary electric signal described in back production, and by the secondary electric signal
Signal；
FPGA module: correction is adjusted for comparing numeral input electric signal and digital back production electric signal and carrying out PI link.
As shown in Fig. 2, for adjusting and correct 10kV standard voltage signal, if external interference causes analog output voltage u
(t) generated between voltage preset instructions (10kV) be more than 0.05% error, then pass through after AD back production module acquires and convert
Digital back production voltage u*(n) it will be equal to the numeral input voltage signal u (n) of DSP output, FPGA module relatively and calculates electricity
Press error delta u (n)=u*(n) correction is adjusted by PI link in-u (n), until u*(n)=u (n), i.e. analog output voltage
For standard 10kV voltage.Consider that the precision of back production circuit, the embodiment of the present invention may insure analog output voltage u (t) and voltage
Preset instructions require error between the 10kV of output to be no more than 0.05%.
In order to solve the technical issues of interfering with each other between output loop, standard electric signal provided in an embodiment of the present invention is generated
Device is provided with mutually independent voltage output circuit and electric current output loop.The voltage output circuit includes that two groups of two-phases are defeated
Terminal out, the electric current output loop include two groups of three-phase output end.The high-pressure side of electric current output loop and voltage output are returned
The high-pressure side on road carries out equipotential link, so that integrally high potential is presented in electric current output loop over the ground, to realize while provide
The experimental enviroment of high voltage and high current.
On the basis of acquisition standard electric signal above-mentioned, in order to further obtain the secondary electric signal of standard, with
For detecting to one or two fusion switchgears, standard electric signal generating apparatus provided in an embodiment of the present invention further includes mark
Quasi- mutual inductor, for obtaining the secondary electric signal of corresponding standard using standard electric signal above-mentioned as electric signal of standard.Mark
Quasi- mutual inductor includes standard potential transformer and standard current transformer, and standard potential transformer and booster share a set of iron
Core, standard current transformer and current lifting device share a set of iron core.Standard mutual inductor coil uses the coiling of equiblibrium mass distribution formula, and inside fills
Glue is to reduce partial discharge, precision 0.02%.
When carrying out accuracy detection to one or two fusion switchgears, two groups of three-phase output end point of electric current output loop
It is not connect with the three-phase terminal of Switch main body two sides；One group of two phase output terminals and standard electric signal in voltage output circuit generate
The shell of device is grounded jointly, and another group of two phase output terminals merge the voltage transformer of switchgear with tested one or two times respectively
2 connect with 3 one end, the other end ground connection of voltage transformer 2 and 3.
Therefore, standard electric signal generating apparatus provided in an embodiment of the present invention is obtained according to preset instructions through signal processing
Standard electric signal can guarantee the high-precision and high stability of electric signal；Provided with mutually independent electric current output loop and electricity
Output loop is pressed, and electric current output loop and voltage output loop high-voltage side have been subjected to equipotential link, can be realized simultaneously
The experimental enviroment of high-voltage large current is provided.
The embodiment of the invention also provides a kind of standard electric signal creating method, standard electric above-mentioned is can be used in the method
Signal generating apparatus executes, and specifically comprises the following steps:
Step 101: electric signal preset instructions are converted into simulation input electric signal；
Specifically, the method for obtaining simulation input electric signal includes:
The electric signal preset instructions are decoded into numeral input electric signal；
The numeral input electric signal is converted into simulation input electric signal；
Step 102: processing being amplified to simulation input electric signal, obtains simulation output electric signal；
It in a step 102, is the stability and accuracy that promote simulation output electric signal, first to simulation input electric signal
Carry out power amplification processing, then boosted again or up-flow processing.Power amplification link not only has amplification input signal
Function, and have the function of noise suppressed and smooth adjustment concurrently.
Step 103: signal back production processing being carried out to simulation output electric signal, and carries out PI link and adjusts correction, it is ensured that mould
Quasi- output electric signal is standard electric signal.
In step 103, back production is boosted handles the analog voltage output signal obtained and is converted to digital back production voltage,
Back production is through the acquired analog output current signal of up-flow processing and is converted to digital back production electric current；By digital back production voltage and lead to
The numeral input voltage for crossing Instruction decoding acquisition compares, by digital back production electric current and the numeral input by Instruction decoding acquisition
Electric current compares, and adjusts correct through PI link respectively, to ensure simulation output electric signal as standard electric signal.
Therefore, standard electric signal creating method provided in an embodiment of the present invention is put according to electric signal preset instructions through two-stage
Big processing adjusts correction acquisition normal voltage, standard current signal, signal in conjunction with the noise suppressed and PI link of power amplifier
Error is small, precision is high, stability is good.
As shown in figure 3, being an a kind of precision detection system provided in an embodiment of the present invention, the system can be used for one or two
Accuracy detection of secondary fusion switchgear, the system comprises:
Standard electric signal generating apparatus: for being to be tested one or two fusion switchgears according to an electric signal preset instructions
Mutual inductor primary side electric signal of standard is provided, and provide standard two according to electric signal of standard for mutual-inductor tester
Secondary electric signal；
Automate load box: corresponding for providing according to respectively tested one or the two fusion switchgears of default load command
Load；
Mutual inductor check meter: for the secondary electric signal of the standard to be merged to the mutual inductor of switchgear with tested one or two times
The secondary electric signal of secondary side output compares, and obtains corresponding error electric signal；
Master station: for issuing an electric signal preset instructions and default load command, while for according to the error
Electric signal carries out an accuracy detection interpretation of result of tested one or two fusion switchgears.
Wherein, standard electric signal generation unit can use standard electric signal generating apparatus above-mentioned, specifically include: sequence
DSP module, FPGA module (there is PI link to adjust calibration function), D/A conversion module, power amplifier and the booster of connection/
Current lifting device should also include standard mutual inductor, AD back production module and mutually independent electric current output loop and voltage output circuit.
To sum up, precision detection system of one or two fusion switchgears provided in an embodiment of the present invention, can be used for one or two
Accuracy detection of secondary fusion switchgear has filled up accuracy detection of one or two fusion switchgears and has lacked effectively detection
The technological gap of equipment provides standard electric signal using standard electric signal generation unit, can guarantee the electric signal for detection
With high-precision and high stability, the accuracy of an accuracy detection result is helped to improve.
Accuracy checking method of one or two fusion switchgears provided in an embodiment of the present invention, includes the following steps:
Step 201: providing respective load according to default load command for tested one or two fusion switchgears；
Step 202: by electric signal load of standard in the mutual inductor primary side for being tested one or two fusion switchgears；
It is specific: by standard primary voltage signal loading in the primary of tested one or two fusion switchgear voltage transformers
Side, by standard primary current signal loading in the primary side for being tested one or two fusion switchgear current transformers；
Step 203: the electric signal of the mutual inductor secondary side output of tested one or two fusion switchgears and standard is secondary
Electric signal compares, and obtains error electric signal；
It is specific: by the secondary side voltage signal and the secondary electricity of standard of tested one or two fusion switchgear voltage transformers
Pressure signal compares, and obtains voltage signal error；By the secondary side current of tested one or two fusion switchgear current transformers
Signal obtains current signal error compared with standard secondary current signal.
The method of the secondary electric signal of acquisition standard includes: by electric signal load of standard in the primary of standard mutual inductor
Side acquires the secondary side electric signal of standard mutual inductor to obtain the secondary electric signal of standard.
Step 204: an accuracy detection result point for tested one or two fusion switchgears is carried out according to electric signal error
Analysis.
In step 201, standard electric signal creating method above-mentioned can be used by obtaining electric signal of standard.
An accuracy checking method provided by the embodiment of the present invention can be executed using an aforementioned precision detection system,
For carrying out an accuracy detection to one or two fusion switchgears.It is explained in detail below and is examined using a precision of the embodiment of the present invention
The method that examining system carries out an accuracy detection to one or two fusion switchgears:
Testing requirements: the normal voltage of one or two fusion switchgear voltage transformer primary sides of access is 10kV, access
The normalized current of one or two fusion switchgear current transformer primary sides is 600A；
Relevant parameter: the default load 75VA of the voltage transformer 2 and 3 of one or two fusion switchgears, built-in current mutual inductance
Device 0.5 Ω of default load,(advanced)；
Environmental structure: two groups of three-phase terminals of the electric current output loop of standard electric signal generating apparatus are connect respectively and are being switched
On the three-phase terminal of ontology two sides, the shell of one group of two phase output terminals and standard electric signal generating apparatus in voltage output circuit
Common ground connection, another group of two phase output terminals merge the primary side of voltage transformer 2 and 3 of switchgear with tested one or two times respectively
One end connection, the primary side of voltage transformer 2 and 3 the other end ground connection.
The secondary terminals of the voltage transformer 2 and 3 of one or two fusion devices connect mutual-inductor tester, and automate voltage
Load box parallel connection accesses the circuit；The Current Transformer Secondary terminal of one or two fusion devices connects mutual-inductor tester, and certainly
Dynamic galvanic current load box series connection accesses the circuit；(including normal voltage is mutual for standard mutual inductor in standard electric signal generating apparatus
Sensor and standard current transformer) secondary side access mutual-inductor tester.
The specific method is as follows for accuracy checking method of one or two fusion switchgears:
From master station to electrical signal preset instructions under standard electric signal generating apparatus, including primary voltage preset instructions
10kV, primary current preset instructions 600A, issue default load preset instructions to mutual-inductor tester: built-in current mutual inductor is pre-
If loading 0.5 Ω,(advanced)；The default load 75VA of voltage transformer 2 and 3；
Received load preset instructions are sent to automation load box by mutual-inductor tester, automate load box root
According to load preset instructions be voltage transformer 2 and 3, built-in current mutual inductor provides respective load；
Standard electric signal generating apparatus receives electric signal preset instructions, exports 10kV standard primary voltage, 600A standard one
Primary current, while 100V standard secondary voltage, 1A standard secondary current are exported through standard mutual inductor.It will by voltage output circuit
10kV standard primary voltage loads on one or two fusion switching voltage mutual inductors 2 and 3, is marked 600A by electric current output loop
Quasi- primary current load is on one or two fusion Switch main bodies and its built-in current mutual inductor.By the secondary side of voltage transformer 2 and 3
Voltage and built-in current mutual inductor secondary side current are transmitted to automation load box, are then sent to mutually through automating load box
Sensor tester；Mutual-inductor tester is by the secondary side of voltage transformer 2 and 3 voltage and standard secondary voltage 100V, built-in current
Mutual inductor secondary side current is compared with standard secondary current 1A, and calculating ratio is poor, angular difference equal error result；It will be sent on error result
Master station carries out an accuracy detection interpretation of result of tested one or two fusion switchgears.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (13)
1. a kind of standard electric signal creating method, which is characterized in that described method includes following steps:
Electric signal preset instructions are converted into simulation input electric signal；
Processing and noise suppressed processing are amplified to simulation input electric signal, obtain simulation output electric signal；
Simulation output electric signal described in back production, and carry out PI link and adjust correction, so that simulation output electric signal is equal to standard telecommunications
Number.
2. standard electric signal creating method according to claim 1, which is characterized in that obtain the side of simulation input electric signal
Method includes:
The electric signal preset instructions are decoded into numeral input electric signal；
The numeral input electric signal is converted into simulation input electric signal.
3. standard electric signal creating method according to claim 1, which is characterized in that the enhanced processing includes:
After carrying out first time enhanced processing to simulation input electric signal, is boosted again or up-flow is handled.
4. a kind of standard electric signal generating apparatus, which is characterized in that described device includes:
Instruction converting unit: for electric signal preset instructions to be converted into simulation input electric signal；
Signal amplification unit: for amplifying processing and noise suppressed processing to simulation input electric signal, output telecommunications is obtained
Number；
Signal back production unit: it for simulation output electric signal described in back production, and carries out PI link and adjusts correction, make analog electrical output
Signal is equal to standard electric signal.
5. standard electric signal generating apparatus according to claim 4, which is characterized in that described instruction converting unit includes:
DSP module: for electric signal preset instructions to be decoded into numeral input electric signal；
D/A conversion module: for the digital input signals to be converted into simulation input electric signal.
6. standard electric signal generating apparatus according to claim 5, which is characterized in that the signal back production unit includes:
Standard mutual inductor: for obtaining corresponding secondary electric signal using simulation output electric signal as an electric signal；
AD back production module: for secondary electric signal described in back production, and the secondary electric signal is converted into digital back production electric signal；
FPGA module: correction is adjusted for comparing numeral input electric signal and digital back production electric signal and carrying out PI link.
7. standard electric signal generating apparatus according to claim 4, which is characterized in that the signal amplification unit includes:
Power amplifier: for carrying out first time enhanced processing and noise suppressed processing to simulation input electric signal；
Booster: the analog voltage signal for exporting to power amplifier carries out boosting again and handles, and obtains analog electrical output
Press signal；
And/or
Current lifting device: the analog current signal for exporting to power amplifier carries out up-flow again and handles, and obtains analog electrical output
Flow signal.
8. according to the described in any item standard electric signal generating apparatus of claim 4 to 7, which is characterized in that described device is also wrapped
Include mutually independent voltage output circuit and electric current output loop.
9. accuracy checking method of one or two fusion switchgears, which is characterized in that described method includes following steps:
Respective load is provided according to default load command to be tested the mutual inductor of one or two fusion switchgears；
By electric signal load of standard in the mutual inductor primary side for being tested one or two fusion switchgears；
The electric signal of the mutual inductor secondary side output of tested one or two fusion switchgears is compared with the secondary electric signal of standard,
Obtain error electric signal；
An accuracy detection interpretation of result of tested one or two fusion switchgears is carried out according to error electric signal.
10. accuracy checking method of one or two fusion switchgears according to claim 9, which is characterized in that use
The described in any item methods of claims 1 to 3 obtain electric signal of standard.
11. accuracy checking method of one or two fusion switchgears according to claim 9, which is characterized in that described
The acquisition methods of the secondary electric signal of standard include:
By electric signal load of standard in the primary side of standard mutual inductor, the secondary side electric signal conduct of standard mutual inductor is acquired
The secondary electric signal of standard.
12. precision detection system of one or two fusion switchgears, which is characterized in that the system comprises:
Standard electric signal generation unit: for being the mutual of tested one or two fusion switchgears according to an electric signal preset instructions
Sensor primary side provides electric signal of standard, and provides standard secondary electricity for mutual-inductor tester according to electric signal of standard
Signal；
Automate load box: for providing according to the mutual inductor for presetting respectively tested one or the two fusion switchgears of load command
Respective load；
Mutual inductor check meter: for will be tested one or two fusion switchgears mutual inductor secondary side export electric signal with it is described
The secondary electric signal of standard compares, and obtains corresponding error electric signal；
Master station: for issuing an electric signal preset instructions and default load command, while for according to the error telecommunications
Number carry out an accuracy detection interpretation of result of tested one or two fusion switchgears.
13. a precision detection system of one or two fusions switch according to claim 12, which is characterized in that the mark
Quasi- electric signal generation unit includes standard electric signal generating apparatus as claimed in claim 6.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN110161331A (en) * | 2019-05-16 | 2019-08-23 | 李勇 | A kind of detection platform and control method merging complete set of equipments for one or two times |
| CN110261764A (en) * | 2019-06-10 | 2019-09-20 | 浙江华电器材检测研究所有限公司 | A kind of one or two complete on-pole switch integrated debugging methods |
| CN110286319A (en) * | 2019-06-10 | 2019-09-27 | 浙江华电器材检测研究所有限公司 | A kind of one or two complete on-pole switch integrated testing methods |
| CN110412454A (en) * | 2019-07-09 | 2019-11-05 | 浙江华电器材检测研究所有限公司 | A kind of one or two complete switch closed loop test methods |
| CN110514997A (en) * | 2019-09-10 | 2019-11-29 | 浙江华电器材检测研究所有限公司 | A kind of detection device detecting breaker |
| CN111044831A (en) * | 2019-12-31 | 2020-04-21 | 珠海博威智能电网有限公司 | Detection system based on primary and secondary fusion power distribution equipment |
| CN113589043A (en) * | 2021-07-27 | 2021-11-02 | 国网江苏省电力有限公司电力科学研究院 | Primary-secondary fusion and deep fusion power distribution equipment detection system and method |
| CN114019297A (en) * | 2021-09-26 | 2022-02-08 | 中国电力科学研究院有限公司 | Distribution line high-frequency transient characteristic signal generating device and control method thereof |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133489A (en) * | 2019-04-26 | 2019-08-16 | 国网湖北省电力有限公司电力科学研究院 | The simulated failure applying method of breaker singlephase earth fault on one or two fusion serial columns |
| CN110133489B (en) * | 2019-04-26 | 2021-01-08 | 国网湖北省电力有限公司电力科学研究院 | Simulated fault applying method and system for single-phase earth fault of primary-secondary fusion complete set of pole circuit breaker |
| CN110161331A (en) * | 2019-05-16 | 2019-08-23 | 李勇 | A kind of detection platform and control method merging complete set of equipments for one or two times |
| CN110161331B (en) * | 2019-05-16 | 2021-06-01 | 李勇 | Detection platform for primary and secondary fusion complete equipment and control method |
| CN110286319B (en) * | 2019-06-10 | 2021-09-24 | 浙江华电器材检测研究所有限公司 | One-time and two-time complete column switch integrated test method |
| CN110261764A (en) * | 2019-06-10 | 2019-09-20 | 浙江华电器材检测研究所有限公司 | A kind of one or two complete on-pole switch integrated debugging methods |
| CN110286319A (en) * | 2019-06-10 | 2019-09-27 | 浙江华电器材检测研究所有限公司 | A kind of one or two complete on-pole switch integrated testing methods |
| US11402457B2 (en) * | 2019-06-10 | 2022-08-02 | Zhejiang Huadian Equipment Testing Institute Co., Ltd. | System and method for integrated test on primary-secondary pole-mounted breaker |
| CN110261764B (en) * | 2019-06-10 | 2021-12-24 | 浙江华电器材检测研究所有限公司 | Integrated debugging method for primary and secondary complete column switch |
| CN110412454A (en) * | 2019-07-09 | 2019-11-05 | 浙江华电器材检测研究所有限公司 | A kind of one or two complete switch closed loop test methods |
| CN110412454B (en) * | 2019-07-09 | 2021-09-24 | 浙江华电器材检测研究所有限公司 | Primary and secondary complete switch closed-loop test method |
| CN110514997B (en) * | 2019-09-10 | 2021-06-11 | 浙江华电器材检测研究所有限公司 | Detection device for detecting circuit breaker |
| CN110514997A (en) * | 2019-09-10 | 2019-11-29 | 浙江华电器材检测研究所有限公司 | A kind of detection device detecting breaker |
| CN111044831A (en) * | 2019-12-31 | 2020-04-21 | 珠海博威智能电网有限公司 | Detection system based on primary and secondary fusion power distribution equipment |
| CN113589043A (en) * | 2021-07-27 | 2021-11-02 | 国网江苏省电力有限公司电力科学研究院 | Primary-secondary fusion and deep fusion power distribution equipment detection system and method |
| CN113589043B (en) * | 2021-07-27 | 2024-05-24 | 江苏省电力试验研究院有限公司 | System and method for detecting secondary fusion and deep fusion power distribution equipment |
| CN114019297A (en) * | 2021-09-26 | 2022-02-08 | 中国电力科学研究院有限公司 | Distribution line high-frequency transient characteristic signal generating device and control method thereof |
| CN114019297B (en) * | 2021-09-26 | 2023-11-03 | 中国电力科学研究院有限公司 | High-frequency transient characteristic signal generating device of distribution line and control method thereof |
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