CN109145337A - A kind of modeling method and system of half-wavelength ac transmission dynamic simulator system - Google Patents
A kind of modeling method and system of half-wavelength ac transmission dynamic simulator system Download PDFInfo
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Abstract
The present invention proposes the modeling method and system of a kind of half-wavelength ac transmission dynamic simulator system, comprising: a kind of modeling method of half-wavelength ac transmission dynamic simulator system includes: the dynamic element parameter designed in half-wavelength ac transmission dynamic simulator system；Element simulation ratio based on half-wavelength ac transmission dynamic simulator system designs the dynamic analog parameter of half-wavelength ac transmission dynamic simulator system；Based on dynamic element parameter and dynamic analog parameter, wiring design is carried out to half-wavelength ac transmission dynamic simulator system, establishes dynamic simulator system.Half-wavelength ac transmission dynamic simulator system and real system provided by the invention are equivalent, can simulate the stability and transitory of practical half-wavelength AC transmission system.
Description
Technical field
The present invention relates to electric system simulation simulation fields, and in particular to a kind of half-wavelength ac transmission dynamic simulator system
Modeling method and system.
Background technique
It is energy it is well known that causing power supply area to be often spaced with electricity consumption region distant due to uneven geographical distribution of resources
The problems such as better solving the energy and be unevenly distributed problem, overlength distance and super large appearance scape technology of transmission of electricity need to be solved.
In recent years, the electrical energy transportation technology of being continuously increased with electricity demand, overlength distance and super high power and its
Implement, worldwide there is significant economic significance and practical value, becomes an important directions of world power development.
Half-wavelength UHV AC transmission technique refers to the electrical distance of transmission of electricity close to a power frequency half-wave, i.e., about 3000km (50Hz) or 2600km
The three-phase alternating current technology of transmission of electricity of the overlength distance of (60Hz).The advantages of half-wavelength UHV AC transmission technique first is that half-wavelength exchange it is defeated
The power factor of electric line is high, and in the case where transmission distance is equal to or slightly greater than half-wavelength, structure is more possible than any
Overlength distance AC and DC transmission system is all more simple；Furthermore when the manufacture of ac transmission equipment than current converter introduction and
It is the maintenance more daylight saving time, preferably to use half-wavelength UHV AC transmission technique.
Half-wavelength UHV AC transmission technique so far there are no the experience of engineering practice, and half-wavelength transmission line of alternation current have with
The some completely different characteristics of common long transmission line, therefore, it is necessary to study the operation characteristic of half-wavelength UHV AC transmission technique and dynamic
Analogy method provides theoretical foundation for engineer application.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of modeling method of half-wavelength ac transmission dynamic simulator system and being
System.
A kind of modeling method of half-wavelength ac transmission dynamic simulator system includes: design half-wavelength ac transmission dynamic analog
Dynamic element parameter in quasi- system；Element simulation ratio based on half-wavelength ac transmission dynamic simulator system designs half-wavelength
The dynamic analog parameter of ac transmission dynamic simulator system；Based on dynamic element parameter and dynamic analog parameter, half-wavelength is handed over
Stream transmission of electricity dynamic simulator system carries out wiring design, establishes dynamic simulator system.
Design the dynamic element parameter in half-wavelength ac transmission dynamic simulator system, comprising: design simulation circuit element
With design capacitance device；Design simulation circuit element, comprising: the impedance angle of analog line element is higher than the impedance angle of analog line；
Reactor in analog line element is using the copper conductor annular air core coil for extracting different impedance angle taps out, wherein hollow
Coil includes: the hollow line cake of two serial or parallel connections work, and the number of turns of two hollow line cakes, tap and size are all the same；If
Count capacitor, comprising: direct-to-ground capacitance device is set in the two sides of each circuit element, the voltage rating of capacitor is 4000V；It is specified
Capacity is 0.85 μ F, 0.2 μ F or 5.429 μ F.
Element simulation ratio based on half-wavelength ac transmission dynamic simulator system designs half-wavelength ac transmission dynamic analog
The dynamic analog parameter of system；The element simulation ratio for including: half-wavelength ac transmission dynamic simulator system includes: voltage analog ratio
muFor 500:1, current analog ratio mIFor 400:1, volume emulation ratio mSFor 200000:1, impedance simulation ratio mZFor 1.25:1；
The dynamic analog parameter of design includes: the design of positive sequence component parameters and zero sequence component parameter；
The dynamic analog parameter is calculated as follows:
The positive sequence impedance X of simulation1M=X1×L÷mZ, X1For the impedance of positive sequence element, L is analog line distance；
The positive sequence resistance R of simulation1M≤R1×L÷mZ, R1For the resistance of positive sequence element；
The zero sequence impedance X of simulation0M=X0×L÷mZ, X0For the reactance of zero sequence component；
The zero sequence resistance R of simulation0M≤R0×L÷mZ, R0For the resistance of zero sequence component；
The positive sequence distribution capacity of simulation: C1M=C1×L×mZ, C1For the distribution capacity of positive sequence element；
The zero sequence distribution capacity of simulation: C0M=C0×3000×mZ, C0For the distribution capacity of zero sequence component；
The continuous running voltage of metal oxide arrester
Establish dynamic simulator system, comprising: establish simulating grid, simulate the dynamic member in half-wavelength AC transmission system
Part, dynamic element include: Infinite bus system physical analogy unit, transformer physical analogy unit and current transformer physical analogy
Unit group；Analog line is established, by the line simulation ratio of half-wavelength AC transmission system, establishes analog line, and in artificial line
Road setting fault simulation unit and metal oxide arrester analogue unit；Simulation generator set is established, is exchanged by half-wavelength
The element simulation ratio of transmission system, determines the element simulation parameter of simulation generator set；Simulation generator set passes through analog line
Connect simulating grid.Analog line further include: line switching, oscillograph unit and console；Simulation generator set includes: water wheels
Machine analog controller or steam turbine analog controller, prime mover, step-up transformer, grid-connected switch, current transformer, mutual induction of voltage
Device and excitation unit.
A kind of modeling of half-wavelength ac transmission dynamic simulator system includes: dynamic element parameter designing module, is used
Dynamic element parameter in design half-wavelength AC transmission system；Fault point and arrester setup module, in half-wavelength
Fault point and arrester are set on the transmission line of electricity of AC transmission system；Dynamic simulator system parameter designing module, for being based on
The element simulation ratio of half-wavelength AC transmission system designs the dynamic analog parameter of half-wavelength AC transmission system；Dynamic analog
System establishes module, for establishing dynamic based on dynamic element parameter, dynamic analog parameter, the fault point of setting and arrester
Simulation system.
Dynamic element parameter designing module, comprising: analog line element designs module and capacitor design module；Artificial line
Circuit component design module includes: that the impedance angle of circuit element is higher than the impedance angle of route；Reactor in analog line element is adopted
With the copper conductor annular air core coil for extracting different impedance angle taps out, wherein air core coil includes: two serial or parallel connection works
The hollow line cake of work, the number of turns of two hollow line cakes, tap and size are all the same；Capacitor design module includes: in each line
Direct-to-ground capacitance device is arranged in the two sides of circuit component, and the voltage rating of capacitor is 4000V；Rated capacity be 0.85 μ F, 0.2 μ F or
5.429μF。
Dynamic simulator system parameter designing module, comprising: analog parameter designs module；
Simulation includes: voltage analog ratio m than design moduleuFor 500:1, current analog ratio mIFor 400:1, volume emulation ratio
mSFor 200000:1, impedance simulation ratio mZFor 1.25:1；Analog parameter design module includes: setting for positive sequence element and zero sequence component
Meter；
The analog parameter is calculated as follows:
The positive sequence impedance X of simulation1M=X1×L÷mZ, X1For the impedance of positive sequence element, L is analog line distance；
The positive sequence resistance R of simulation1M≤R1×L÷mZ, R1For the resistance of positive sequence element；
The zero sequence impedance X of simulation0M=X0×L÷mZ, X0For the reactance of zero sequence component；
The zero sequence resistance R of simulation0M≤R0×L÷mZ, R0For the resistance of zero sequence component；
The positive sequence distribution capacity of simulation: C1M=C1×L×mZ, C1For the distribution capacity of positive sequence element；
The zero sequence distribution capacity of simulation: C0M=C0×3000×mZ, C0For the distribution capacity of zero sequence component；
The continuous running voltage of metal oxide arrester
Dynamic simulator system establishes module, comprising: simulating grid establishes module, for simulating half-wavelength AC transmission system
In dynamic element, dynamic element includes: Infinite bus system physical analogy unit, transformer physical analogy unit and Current Mutual Inductance
Implements manage analogue unit group；Analog line establishes module, for pressing the line simulation ratio of half-wavelength AC transmission system, establishes mould
Quasi- route, and fault simulation unit and metal oxide arrester analogue unit are set on analog line；Simulation generator set
Module is established, for pressing the element simulation ratio of half-wavelength AC transmission system, determines the element simulation parameter of simulation generator set；
Simulation generator establish module group by analog line establish module connection simulating grid establish module.
Analog line further include: line switching, oscillograph unit and console；Simulation generator set includes: hydraulic turbine mould
Quasi- controller or steam turbine analog controller, prime mover, step-up transformer, grid-connected switch, current transformer, voltage transformer and
Excitation unit.
Compared with the latest prior art, technical solution provided by the invention has the advantages that
1, half-wavelength ac transmission dynamic simulator system and real system provided by the invention are equivalent, can simulate practical half
The stability and transitory of wavelength AC transmission system；
2, half-wavelength ac transmission dynamic simulator system provided by the invention can be tested for half-wavelength protective device and be provided
Detection platform.
3, it while the present invention studies simulation system temporary steady-state characteristic, is protected for half-wavelength AC transmission system relay
The detection of protection unit lays the foundation.
Detailed description of the invention
Fig. 1 is design cycle block diagram of the invention；
Fig. 2 is dynamic simulator system figure of the invention；
BKT- line switching, FD- fault simulation unit, 3W- Infinite bus system physical analogy unit in Fig. 2.
Specific embodiment
The embodiment of the present invention is described further with reference to the accompanying drawing:
Design flow diagram as shown in Figure 1, embodiment one include:
1, dynamic analogue element parameter designing；
Dynamic analogue element parameter designing includes the design of analog line element, simulation metal oxide arrester and simulation electricity
Vessel Design design, specific design are as follows:
1) analog line element
For accurate simulation extra-high voltage half-wavelength AC transmission system line parameter circuit value, using the element of copper conductor air core coil,
Extract the mode of different impedance taps out.Since impedance angle is higher, the specific gravity that connection resistance accounts for will increase, the impedance of element itself
Angle must certain nargin higher than line impedance angle, just can determine that the needs for meeting actual parameter.Reactor pattern uses dry type
With annular air-core inductance, coil is made of two the number of turns, tap and the identical hollow line cake of size.Two line cakes both may be used
Series connection again can parallel operation.
2) metal oxide arrester is simulated
Power-frequency overvoltage when for limiting circuitry failure prevents equipment from damaging because of overvoltage.It need to be in transmission line simulation
Install 10 groups of metal oxide arrester (MOA) analog elements in outlet and along the line, arrangement follow both ends it is sparse, 200~
1700km intensive principle, respectively distance outlet 500KM, 700KM, 900KM, 1000KM, 1100KM, 1300KM, 1500KM,
2200KM and 3000KM.
3) analog capacitor
By can be realized the standard to line capacitance in the suitable direct-to-ground capacitance device of each circuit element two sides configuration parameter
Really simulation is established extra-high voltage half-wavelength ac transmission moving die system and is needed according to the customized special electricity of actual transmission line parameter
Container.Simultaneously as the overvoltage level at route midpoint may be up to volume when half-wavelength transmission line of alternation current both ends are broken down
5-6 times of constant voltage need to properly increase the resistance to voltage levels of capacitor group, selected capacitor for the safe operation for guaranteeing experimental facilities
Device voltage rating is AC 4000V；Rated capacity is 0.85/0.2/5.429 μ F.
By can be realized the accurate mould to line capacitance in the suitable capacitor of each circuit element two sides configuration parameter
It is quasi-, it establishes extra-high voltage half-wavelength ac transmission moving die system and needs according to the customized special capacitor of actual transmission line parameter
Device.Simultaneously as the overvoltage level at route midpoint may be up to specified when half-wavelength transmission line of alternation current both ends are broken down
5-6 times of voltage need to properly increase the resistance to voltage levels of capacitor group, selected capacitor for the safe operation for guaranteeing experimental facilities
Voltage rating is AC 4000V；Rated capacity is 0.85/0.2/5.429 μ F.
2. the design of half-wavelength ac transmission dynamic analog parameter
The electrical structure and system parameter for collecting and surveying half-wavelength transmission line of alternation current are suitable by practice and analysis setting
Simulation ratio, positive sequence impedance, zero sequence impedance, distribution capacity and the metallic oxide for calculating simulation system " Π " unit keep away
The analog parameter of thunder device.
1) the extra-high voltage half wavelength line prototype parameter designed includes: the design of positive sequence element and zero sequence component design；
(1) positive sequence impedance X1, positive sequence resistance R1, positive sequence impedance angle φ1；
(2) zero-sequence reactance X0, zero sequence resistance R0, zero sequence impedance angle φ0；
(3) positive sequence distribution capacity C1, zero sequence distribution capacity C0；
(4) the ratio between current transformer two sides conversion electric current, CT no-load voltage ratio KCT；The ratio between the voltage of voltage transformer two sides, PT become
Compare KPT；
(5) voltage rating U, rated current I.
2) simulation is than selection
By practice with analysis shows, simulation is than value as the following formula:
(1) voltage ratio mu=U/1.5；
(2) electric current ratio mI=I/5；
(3) capacity ratio mS=mu·mI；
(4) impedance ratio mZ=mu/mI。
3) computation model parameter
Setup algorithm circuit model parameter as the following formula:
(1) positive sequence impedance:
X1M=X1×L÷mZ
R1M≤R1×L÷mZ
(2) zero sequence impedance:
X0M=X0×L÷mZ
R0M≤R0×L÷mZ
(3) distribution capacity:
C1M=C1×L×mZ
C0M=C0×L×mZ
(4) metal oxide arrester
Continuous running voltage:
Maximum residual voltage is less than 1.4U under switching impulse current 0.1kA, and L is the simulated range of circuit model.
Half-wavelength ac transmission dynamic simulator system includes: equivalent generating set physical analogy unit, Infinite bus system object
It is lightning-arrest to manage analogue unit 3W, transformer physical analogy unit, half-wavelength transmission line of alternation current physical analogy unit, metal oxide
Device analogue unit, current transformer physical analogy unit group, oscillograph unit and console, generator analogue unit pass through route
Analogue unit connects power grid analogue unit.
3, the wiring design of simulation system
Generator analogue unit includes: hydraulic turbine analog controller/steam turbine analog controller, prime mover, boosting transformation
Device, grid-connected switch, current transformer, voltage transformer and excitation unit.
Line simulation unit includes: fault simulation unit F D and line switching BKT.
Fault simulation unit F D includes: abort situation switch, breakdown switch and phase-selecting switch.
The operation characteristic and fault signature of dynamic simulator system simulation half-wavelength AC transmission system.
Simulated failure point is arranged in fault simulation unit F D, and dynamic simulator system occurs in simulating grid at the simulated failure point
Electric fault.
Electric fault includes: singlephase earth fault, phase fault, double earthfault, three phase short circuit fault and three
Phase ground fault.
Half-wavelength ac transmission dynamic simulator system is completed to voltage and electricity along half wavelength line under different operating conditions
The research for flowing steady-state characteristic, verifies the electrical characteristics such as half wavelength line transient overvoltage and transient rotor angle stability, studies
The adaptability to the protection of existing principle and new principle protection is carried out in influence of the fault point spatial position to failure electric characteristic difference
Verification experimental verification realizes the detection to half-wavelength ac transmission protective relaying device and system safety and stability control device.
Embodiment two:
For 750kV/3000km route prototype as shown in Figure 2, the half-wavelength ac transmission dynamic analog of setting is calculated
The circuit model parameter of system.
M factory is connected through the mono- back transmission line of 750kV/3000km with the station N, the station N access Lindenmayer system.M factory is equivalent power plant,
Equipped with 3G, 4G, 6G, 11G totally four generating sets, total installation of generating capacity 6000MW；M factory is further connected with load transformer 12FB, bears
The rated capacity of lotus transformer is 3000MVA, and institute's on-load maximum capacity is 2000MW, and wherein induction-motor load accounts for 65% left side
The right side, resistive load account for 35% or so.Lindenmayer system is the valve systems such as an area, capacity of short circuit 96227MVA.
1, the value of 750kV route prototype parameter is as follows:
1) positive sequence impedance: reactance X1=0.268/km, impedance angle φ >=87.4 °, resistance R1≤0.0131Ω/km；
2) zero sequence impedance: reactance X0=0.84/km, impedance angle φ >=72.0 °, resistance R0≤0.277Ω/km；
3) distribution capacity of positive sequence impedance: C0The distribution capacity of=0.0093 μ F/km, zero sequence impedance: C1=0.013 μ 7F
k/m；
4) the ratio between current transformer two sides conversion electric current, CT no-load voltage ratio KCT=2000A/1A；The voltage of voltage transformer two sides
The ratio between, PT no-load voltage ratio KPT=750kV/0.1kV.
2, the selection of ratio is simulated
Show simulation than by following values by practice analysis:
1) voltage ratio: mu=750/1.5=500, i.e. model 1.5kV represent prototype 750kV (line side)；
2) electric current ratio: mI=2000/5=400, i.e. model 1A represent prototype 400A (line side)；
3) capacity ratio: mS=mu·mI=200000, i.e. model 1kW represents prototype 200000kW；
4) impedance ratio: mZ=mu/mI=1.25, i.e. 1 Ohmic resistance (reactance) of model (line side) represents 1.25 ohm of prototype
Resistance (reactance).
3, the parameter of 3000km circuit model calculates
1) positive sequence impedance:
ReactanceResistance R1M≤ 0.0131 × 3000 ÷ 1.25=31.44
Ω；
2) zero sequence impedance:
3) distribution capacity:
C1=0.0137 × 3000 × 1.25=51.375 μ F；C0=0.0093 × 3000 × 1.25=34.875 μ F
4) metal oxide arrester:
Continuous running voltage:
Every phase total capacity S > 16000000/200000=80kJ；
Maximum residual voltage is less than 2.85kVp under switching impulse current 0.1kA.
The major parameter of each generating set is as shown in table 1:
1 generating set major parameter of table
The length of the station M factory N transmission line of electricity is 3000km, and major parameter is as shown in table 2:
2 transmission line of electricity major parameter of table (every 100km parameter)
For observation half-wavelength along voltage and current feature, at route two sides and the side the distance M every 200km of M factory and
Current Transmit and voltage transformer pt are installed respectively at 1500km.For research half wavelength line fault characteristic and meet half-wave
The test of long protective device needs, a both ends and fault point is arranged in every 200~500km along the line in half wavelength line area；In quilt
Bus and next stage circuit outlet are provided with 3 fault points altogether outside two lateral areas of protection circuit；Each fault point can simulate
Various types of metallicity or through transition resistive short failure.
Based on the same inventive concept, the present invention also provides a kind of modeling of half-wavelength ac transmission simulation system,
It is illustrated below.
System provided by the invention includes: dynamic element parameter designing module, for designing half-wavelength AC transmission system
In dynamic element parameter；Fault point and arrester setup module, for the transmission line of electricity in half-wavelength AC transmission system
Fault point and arrester are set；Dynamic simulator system parameter designing module, for the element based on half-wavelength AC transmission system
Ratio is simulated, the dynamic analog parameter of half-wavelength AC transmission system is designed；Dynamic simulator system establishes module, for based on dynamic
Component parameters, dynamic analog parameter, the fault point of setting and arrester, establish dynamic simulator system.
Dynamic element parameter designing module, comprising: analog line element designs module and capacitor design module；Artificial line
Circuit component design module includes: that the impedance angle of circuit element is higher than the impedance angle of route；Reactor in analog line element is adopted
With the copper conductor annular air core coil for extracting different impedance angle taps out, wherein air core coil includes: two serial or parallel connection works
The hollow line cake of work, the number of turns of two hollow line cakes, tap and size are all the same；Capacitor design module includes: in each line
Direct-to-ground capacitance device is arranged in the two sides of circuit component, and the voltage rating of capacitor is 4000V；Rated capacity be 0.85 μ F, 0.2 μ F or
5.429μF。
Dynamic simulator system parameter designing module, comprising: analog parameter designs module；
Simulation includes: voltage analog ratio m than design moduleuFor 500:1, current analog ratio mIFor 400:1, volume emulation ratio
mSFor 200000:1, impedance simulation ratio mZFor 1.25:1；Analog parameter design module includes: setting for positive sequence element and zero sequence component
Meter；
The analog parameter is calculated as follows:
The positive sequence impedance X of simulation1M=X1×L÷mZ, X1For the impedance of positive sequence element, L is analog line distance；
The positive sequence resistance R of simulation1M≤R1×L÷mZ, R1For the resistance of positive sequence element；
The zero sequence impedance X of simulation0M=X0×L÷mZ, X0For the reactance of zero sequence component；
The zero sequence resistance R of simulation0M≤R0×L÷mZ, R0For the resistance of zero sequence component；
The positive sequence distribution capacity of simulation: C1M=C1×L×mZ, C1For the distribution capacity of positive sequence element；
The zero sequence distribution capacity of simulation: C0M=C0×3000×mZ, C0For the distribution capacity of zero sequence component；
The continuous running voltage of metal oxide arrester
Dynamic simulator system establishes module, comprising: simulating grid establishes module, for simulating half-wavelength AC transmission system
In dynamic element, dynamic element includes: that Infinite bus system physical analogy unit 3W, transformer physical analogy unit and electric current are mutual
Sensor physical analogy unit group；Analog line establishes module, for pressing the line simulation ratio of half-wavelength AC transmission system, establishes
Analog line, and fault simulation unit F D and metal oxide arrester analogue unit are set on analog line；Simulation power generation
Unit establishes module, for pressing the element simulation ratio of half-wavelength AC transmission system, determines the element simulation of simulation generator set
Parameter；Simulation generator establish module group by analog line establish module connection simulating grid establish module.
Analog line further include: line switching BKT, oscillograph unit and console；Simulation generator set includes: the hydraulic turbine
Analog controller or steam turbine analog controller, prime mover, step-up transformer, grid-connected switch, current transformer, voltage transformer
And excitation unit.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, institute
The those of ordinary skill in category field can still modify to a specific embodiment of the invention referring to above-described embodiment or
Equivalent replacement, these are applying for this pending hair without departing from any modification of spirit and scope of the invention or equivalent replacement
Within bright claims.
Claims (10)
1. a kind of modeling method of half-wavelength ac transmission dynamic simulator system characterized by comprising
Design the dynamic element parameter in the half-wavelength ac transmission dynamic simulator system；
Element simulation ratio based on the half-wavelength ac transmission dynamic simulator system designs the half-wavelength ac transmission dynamic
The dynamic analog parameter of simulation system；
Based on the dynamic element parameter and the dynamic analog parameter, to the half-wavelength ac transmission dynamic simulator system into
Row wiring design, and establish dynamic simulator system.
2. modeling method as described in claim 1, which is characterized in that design the half-wavelength ac transmission dynamic simulator system
In dynamic element parameter, comprising: design simulation circuit element and design capacitance device；
The design simulation circuit element, comprising:
The impedance angle of the analog line element is higher than the impedance angle of analog line；
Reactor in the analog line element uses the copper conductor annular air core coil for extracting different impedance angle taps out,
In, air core coil includes: the hollow line cake of two serial or parallel connections work, the number of turns, tap and the ruler of two hollow line cakes
It is very little all the same；
The design capacitance device, comprising: direct-to-ground capacitance device, the volume of the capacitor are set in the two sides of each circuit element
Constant voltage is 4000V；Rated capacity is 0.85 μ F, 0.2 μ F or 5.429 μ F.
3. modeling method as described in claim 1, which is characterized in that described to be based on the half-wavelength ac transmission dynamic analog
The element simulation ratio of system, designs the dynamic analog parameter of the half-wavelength ac transmission dynamic simulator system；Include:
The element simulation ratio of the half-wavelength ac transmission dynamic simulator system includes: voltage analog ratio muFor 500:1, current-mode
It is quasi- to compare mIFor 400:1, volume emulation ratio mSFor 200000:1, impedance simulation ratio mZFor 1.25:1；
The dynamic analog parameter of design includes: the design of positive sequence component parameters and zero sequence component parameter；
The dynamic analog parameter is calculated as follows:
The positive sequence impedance X of simulation1M=X1×L÷mZ, X1For the impedance of positive sequence element, L is analog line distance；
The positive sequence resistance R of simulation1M≤R1×L÷mZ, R1For the resistance of positive sequence element；
The zero sequence impedance X of simulation0M=X0×L÷mZ, X0For the reactance of zero sequence component；
The zero sequence resistance R of simulation0M≤R0×L÷mZ, R0For the resistance of zero sequence component；
The positive sequence distribution capacity of simulation: C1M=C1×L×mZ, C1For the distribution capacity of positive sequence element；
The zero sequence distribution capacity of simulation: C0M=C0×3000×mZ, C0For the distribution capacity of zero sequence component；
The continuous running voltage of metal oxide arrester
4. modeling method a method according to any one of claims 1-3, which is characterized in that described to establish dynamic simulator system, comprising:
Simulating grid is established, the dynamic element in the half-wavelength AC transmission system is simulated, the dynamic element includes: infinite
Big system physical analogue unit, transformer physical analogy unit and current transformer physical analogy unit group；
Analog line is established, by the line simulation ratio of the half-wavelength AC transmission system, establishes the analog line, and in institute
It states and fault simulation unit and metal oxide arrester analogue unit is set on analog line；
Simulation generator set is established, by the element simulation ratio of the half-wavelength AC transmission system, determines the simulation generator
The element simulation parameter of group；
The simulation generator set connects the simulating grid by the analog line.
5. modeling method as claimed in claim 4, which is characterized in that
The analog line further include: line switching, oscillograph unit and console；
The simulation generator set includes: hydraulic turbine analog controller or steam turbine analog controller, prime mover, boosting transformation
Device, grid-connected switch, current transformer, voltage transformer and excitation unit.
6. a kind of modeling of half-wavelength ac transmission dynamic simulator system characterized by comprising
Dynamic element parameter designing module, for designing the dynamic element parameter in the half-wavelength AC transmission system；
Fault point and arrester setup module, for fault point to be arranged on the transmission line of electricity of the half-wavelength AC transmission system
And arrester；
Dynamic simulator system parameter designing module, for the element simulation ratio based on the half-wavelength AC transmission system, design
The dynamic analog parameter of the half-wavelength AC transmission system；
Dynamic simulator system establishes module, for based on the dynamic element parameter, dynamic analog parameter, setting fault point and
Arrester establishes dynamic simulator system.
7. modeling as claimed in claim 6, which is characterized in that the dynamic element parameter designing module, comprising: simulation
Circuit element designs module and capacitor design module；
The analog line element design module includes: that the impedance angle of the circuit element is higher than the impedance angle of route；
Reactor in the analog line element uses the copper conductor annular air core coil for extracting different impedance angle taps out,
In, air core coil includes: the hollow line cake of two serial or parallel connections work, the number of turns, tap and the ruler of two hollow line cakes
It is very little all the same；
The capacitor design module includes: that direct-to-ground capacitance device, the capacitor is arranged in the two sides of each circuit element
Voltage rating be 4000V；Rated capacity is 0.85 μ F, 0.2 μ F or 5.429 μ F.
8. modeling as claimed in claim 6, which is characterized in that the dynamic simulator system parameter designing module, comprising:
Analog parameter designs module；
The simulation includes: voltage analog ratio m than design moduleuFor 500:1, current analog ratio mIFor 400:1, volume emulation ratio
mSFor 200000:1, impedance simulation ratio mZFor 1.25:1；
The analog parameter design module includes: the design of positive sequence element and zero sequence component；
The analog parameter is calculated as follows:
The positive sequence impedance X of simulation1M=X1×L÷mZ, X1For the impedance of positive sequence element, L is analog line distance；
The positive sequence resistance R of simulation1M≤R1×L÷mZ, R1For the resistance of positive sequence element；
The zero sequence impedance X of simulation0M=X0×L÷mZ, X0For the reactance of zero sequence component；
The zero sequence resistance R of simulation0M≤R0×L÷mZ, R0For the resistance of zero sequence component；
The positive sequence distribution capacity of simulation: C1M=C1×L×mZ, C1For the distribution capacity of positive sequence element；
The zero sequence distribution capacity of simulation: C0M=C0×3000×mZ, C0For the distribution capacity of zero sequence component；
The continuous running voltage of metal oxide arrester
9. such as modeling as claimed in claim 6 to 8, which is characterized in that the dynamic simulator system establishes module, packet
It includes:
Simulating grid establishes module, for simulating the dynamic element in the half-wavelength AC transmission system, the dynamic element
It include: Infinite bus system physical analogy unit, transformer physical analogy unit and current transformer physical analogy unit group；
Analog line establishes module, for pressing the line simulation ratio of the half-wavelength AC transmission system, establishes the artificial line
Road, and fault simulation unit and metal oxide arrester analogue unit are set on the analog line；
Simulation generator set establishes module, for pressing the element simulation ratio of the half-wavelength AC transmission system, determines the mould
The element simulation parameter of quasi- generating set；
The simulation generator, which establishes module group and by the analog line establishes module and connect the simulating grid, establishes module.
10. modeling as claimed in claim 9, which is characterized in that the analog line further include: line switching, recording
Device unit and console；
The simulation generator set includes: hydraulic turbine analog controller or steam turbine analog controller, prime mover, boosting transformation
Device, grid-connected switch, current transformer, voltage transformer and excitation unit.
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