CN106226619A - The transient impact performance detecting system of current conversion station equipment - Google Patents
The transient impact performance detecting system of current conversion station equipment Download PDFInfo
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- CN106226619A CN106226619A CN201610553597.1A CN201610553597A CN106226619A CN 106226619 A CN106226619 A CN 106226619A CN 201610553597 A CN201610553597 A CN 201610553597A CN 106226619 A CN106226619 A CN 106226619A
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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
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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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
Abstract
The present invention relates to the transient impact performance detecting system of a kind of current conversion station equipment, including: power transmission network model based on current conversion station, excitation current source and voltage measuring apparatus；Described power transmission network model includes multiple Tower Model, analog DC bus, gate framework model and multiple insulation column model, and the top of described Tower Model is connected with each other by analog DC bus；Each insulation column model is attached by analog DC bus, and described insulation column model and Tower Model are respectively distributed to the both sides of described gate framework model；Wherein, insulation column model and described insulation column, spark gap or capacitor one_to_one corresponding；Described excitation current source applies dash current respectively to the top of each Tower Model, and when described dash current flows through analog DC bus, described voltage measuring apparatus measurement is positioned at the voltage parameter of analog DC bus at the insulation column model at edge；Described voltage parameter is for detecting the transient impact performance of change of current station equipment.
Description
Technical field
The present invention relates to high-tension electricity technical field, particularly relate to the transient impact performance detection of a kind of current conversion station equipment
System.
Background technology
Current conversion station is the important component part of power transmission network, the related electric equipment on transmission line of electricity therein, transmission line of electricity
And need to be operated in open air for connecting or supporting the current conversion station equipment such as support shaft tower of above-mentioned transmission line of electricity, it is most likely that
Suffer the transient impact electric discharge phenomena such as thunderbolt, cause the work of transmission line of electricity to have bigger potential safety hazard.Thus for the change of current
Station equipment carries out produced transient impact performance when it applies the great instantaneous current such as thunder and lightning, and (transmission facility is rushed by transient state
Hit the information of voltage etc. during electric current) detect significant.
At present, the transient impact performance detection of current conversion station equipment is based primarily upon transmission line theory to electromagnetic transient in power system
Overvoltage calculates, and specifically each transmission line of electricity is equivalent to the components and parts such as RLC, carries out simulation calculation, so easily neglects
Slightly working environment and related electric device shaped, the size impact on electromagnetic transient residing for transmission line of electricity, make current conversion station
The transient impact performance detection scheme of equipment has limitation.
Summary of the invention
Based on this, it is necessary to the transient impact performance scheme for tradition current conversion station equipment has circumscribed technology and asks
Topic, it is provided that the transient impact performance detecting system of a kind of current conversion station equipment.
A kind of transient impact performance detecting system of current conversion station equipment, including: power transmission network model based on current conversion station, excitation
Current source and voltage measuring apparatus；Described power transmission network model includes multiple Tower Model, analog DC bus, gate framework model
With multiple insulation column models, the top of described Tower Model is connected with each other by analog DC bus；Described insulation column mould
The position of type is corresponding with the position of insulation column, spark gap and capacitor in transmission line of electricity, and each insulation column model passes through mould
Intending dc bus to be attached, described insulation column model and Tower Model are respectively distributed to the two of described gate framework model
Side；Wherein, insulation column model and described insulation column, spark gap or capacitor one_to_one corresponding；
Described excitation current source applies dash current respectively to the top of each Tower Model, flows through at described dash current
During analog DC bus, described voltage measuring apparatus measurement is positioned at the voltage of analog DC bus at the insulation column model at edge
Parameter；Described voltage parameter is for detecting the transient impact performance of change of current station equipment.
The transient impact performance detecting system of above-mentioned current conversion station equipment, according to power transmission line (bus), shaft tower, insulation column,
The power transmission network relevant device such as spark gap and capacitor and corresponding annexation arrange power transmission network model, to above-mentioned power transmission network mould
Each Tower Model in type applies dash current, is simulated with the lightning impulse current suffered during to its work, and upper
State dash current when flowing through Tower Model, utilize voltage measuring apparatus measurement to be positioned at analog DC at the insulation column model at edge
The voltage parameter of bus, to detect the transient impact parameter corresponding to above-mentioned transmission facility according to above-mentioned voltage parameter, makes the change of current
The transient impact performance detection scheme of station equipment can be in conjunction with power transmission line (bus), shaft tower, insulation column, spark gap and capacitor
Actual positional relationship, annexation, shape and size etc. the shock response of electro-magnetic transient impact flow electric current is detected,
Can improve the comprehensive of corresponding transient impact parameter detecting, the transient impact performance detection to change of current station equipment has higher
Reference value, it is also possible to instruct the lightning Protection Design of above-mentioned transmission line of electricity.
Accompanying drawing explanation
Fig. 1 is the power transmission network model top view of an embodiment；
Fig. 2 is the length schematic diagram of the analog DC bus of an embodiment；
Fig. 3 is the measure traverse line structural representation of an embodiment；
Fig. 4 is the Tower Model distribution schematic diagram of an embodiment.
Detailed description of the invention
Being embodied as of transient impact performance detecting system to the current conversion station equipment that the present invention provides below in conjunction with the accompanying drawings
Mode is described in detail.
It show the power transmission network model top view of an embodiment, based on current conversion station defeated shown in Fig. 1 with reference to Fig. 1, Fig. 1
Electric network model includes: multiple Tower Models (such as the first Tower Model 111 and the second Tower Model 112), analog DC bus, door
Type framework model 117 and multiple insulation column model (in such as Fig. 1 113,114,115 and 116 etc.), described Tower Model
Top is connected with each other by analog DC bus；Insulation column in the position of described insulation column model and transmission line of electricity, lightning-arrest
Device is corresponding with the position of capacitor, and each insulation column model is attached by analog DC bus, described insulation column mould
Type and Tower Model are respectively distributed to the both sides of described gate framework model 117；Wherein, insulation column model props up with described insulation
Post, spark gap or capacitor one_to_one corresponding；As it is shown in figure 1, with insulation column in power transmission network, spark gap and capacitor one a pair
The insulation column model answered is arranged on the opposite side of gate framework model, and multiple insulation column models form an insulation column net
Network, wherein, insulation column model 113,114,115 and 116 is respectively positioned on the edge being positioned at above-mentioned multiple insulation column model；
In the present embodiment, the transient impact performance detecting system structural representation of current conversion station equipment, including: shown in Fig. 1
Power transmission network model, excitation current source and voltage measuring apparatus；Described power transmission network model includes that multiple Tower Model is (such as the first shaft tower
Model 111 and the second Tower Model 112), analog DC bus (such as 111), gate framework model 117 and multiple insulation column mould
Type, the top of described Tower Model is connected with each other by analog DC bus；The position of described insulation column model and power transmission line
In road, the position of insulation column, spark gap and capacitor is corresponding, and each insulation column model is carried out even by analog DC bus
Connecing, described insulation column model and Tower Model are respectively distributed to the both sides of described gate framework model；Wherein, insulation column mould
Type and described insulation column, spark gap or capacitor one_to_one corresponding；
Described excitation current source applies dash current respectively to the top of each Tower Model, as it is shown in figure 1, above-mentioned excitation
Current source can apply dash current, respectively in described impact to the top of the first Tower Model 111 and the second Tower Model 112
When electric current flows through analog DC bus, described voltage measuring apparatus measurement is positioned at the insulation column model at edge and (is positioned in Fig. 1
At the insulation column model 113,114,115 and 116 at edge) analog DC bus (position M1, M2, M3 and M4 shown in Fig. 1)
Voltage parameter；Described voltage parameter is for detecting the transient impact performance of change of current station equipment.
Above-mentioned multiple Tower Model can connect same excitation current source respectively, it is also possible to connects different excitations respectively
Current source.Wherein, above-mentioned excitation current source can be connected between the top of each Tower Model and ground end.Each voltage above-mentioned
Measure point (being positioned at analog DC bus at the insulation column model at edge) and same voltage measuring apparatus can be connected respectively, also
Different voltage measuring apparatus can be connected respectively.Wherein, above-mentioned voltage measuring apparatus can be connected to each voltage measurement point
And between ground end.
Above-mentioned transient impact performance can pass through corresponding transient impact parameter characterization, and above-mentioned transient impact parameter can be wrapped
Include the dash currents such as lightning impulse current to flow through Tower Model and (be subjected to transient state thunder corresponding to relevant device in corresponding power transmission network
Discharge of electricity phenomenon) time, it is positioned at the voltage swing of analog DC bus at the insulation column model at edge, more than a certain value (such as
Set safety value etc.) voltage-duration, the rising time of voltage signal and trailing edge time etc., according to voltage measurement
The voltage parameter that equipment obtains, can obtain the transient impact parameter that analog DC bus is corresponding, thus obtain corresponding power transmission line
The road transient impact performance when suffering the great instantaneous current such as transient state thunder discharge electric current.
The size of each Tower Model above-mentioned can be with the chi of many base shaft towers such as the tangent tower of Practical Project or anchor support
Very little it is as the criterion, many base shaft towers such as the tangent tower in power transmission network or anchor support are zoomed in and out according to 1:25 scaling, to set up
Corresponding Tower Model.Tower Model can use galvanized steel material to be welded, it is also possible to chooses a diameter of 11mm (millimeter)
Galvanized steel；For ensureing the stability that Tower Model is arranged on corresponding platform (ground etc.), can be at each Tower Model
Column foot is respectively welded the steel plate of a size of 150mm × 150mm × 10mm；Tower Model can include tower head (top), tower body (in
Between part) and tower leg (bottom) etc.；The top of above-mentioned Tower Model can arrange cross-arm model, and the bottom of above-mentioned Tower Model sets
Being equipped with analogue ground line, above-mentioned analogue ground line can ensure that the conducting between corresponding Tower Model and ground end, and above-mentioned simulation connects
Ground wire is that radius is identical, the bare copper wire of a diameter of 0.8mm.
The material selection of above-mentioned gate framework model is referred to above-mentioned Tower Model, use the welding of galvanized steel material and
Become.Analog DC bus can use external diameter to be 20mm aluminum pipe；Insulation column mould is arranged according to DC fields each equipment position
Type, above-mentioned insulation column model needs to insulate with ground.
Owing to the transient impact performance detecting system of current conversion station equipment is difficult to consider corona discharge, join at above-mentioned transient impact
Number detecting system can be avoided analogue ground line or other produced corona discharges of measurement lead-in wire as far as possible, corresponding to ensure
The accuracy of transient impact parameter detecting system.Above-mentioned analogue ground line can connect and is laid on ground and width is the aluminum of 2m
Plate, to ensure that the transient impact performance detecting system of corresponding current conversion station equipment can reach preferable ground state.Place shaft tower
The platform of model and insulation column model also should leave necessarily after arranging each Tower Model above-mentioned and insulation column model
Space, with prevent detection during relevant interference.
The one-shot electric current that excitation current source sends typically lasts for 50～100 μ s (microsecond), and wave head steepness is high, up to
50kA/s (kilo-ampere is per second), belongs to high-frequency percussion ripple.Above-mentioned excitation current source can include that the rise time is 5ns (nanosecond), arteries and veins
Wide 300ns, impedance 50 Ω (ohm), voltage magnitude 100V-4000V (volt), the test current source of maximum current 5A (ampere)
Or the power-supply devices such as test voltage source, can keep insulation, the output of excitation current source by above-mentioned excitation current source with ground
Signal (lightning impulse current) is measured lead-in wire by cable or bare copper wire etc. and is sent the top to Tower Model.
Above-mentioned voltage measuring apparatus can include measuring or to obtain corresponding Tower Model top level value size, voltage
The voltage measurement table of the voltage parameters such as wave character information (rising time or trailing edge time etc.) or oscillograph etc. fill
Put.When adding the dash current that excitation current source sends to Tower Model top, the voltage ginseng of analog DC bus relevant position
Number (such as size, rising time or trailing edge time etc.) can characterize the transient impact performance of corresponding current conversion station equipment.
Above-mentioned analog DC bus can include the wire that many electric conductivities are good, it is generally the case that respectively straight with simulation
Stream bus is connected to each Tower Model or the same side on insulation column model top, and each analog DC bus is the most flat
OK.
The transient impact performance detecting system of current conversion station equipment that the present embodiment provides, according to power transmission line (bus), shaft tower,
The power transmission network relevant devices such as insulation column, spark gap and capacitor and corresponding annexation arrange power transmission network model, to upper
State each Tower Model in power transmission network model and apply dash current, carry out mould with the lightning impulse current suffered during to its work
Intend, and when above-mentioned dash current flows through Tower Model, utilize voltage measuring apparatus measurement to be positioned at the insulation column model at edge
The voltage parameter of place's analog DC bus, to detect the transient impact ginseng corresponding to above-mentioned transmission facility according to above-mentioned voltage parameter
Number, the transient impact performance detection scheme making current conversion station equipment can be in conjunction with power transmission line (bus), shaft tower, insulation column, lightning-arrest
The impact of electro-magnetic transient impact flow electric current is rung by device and the actual positional relationship of capacitor, annexation, shape and size etc.
Should detect, the comprehensive of corresponding transient impact parameter detecting can be improved, the transient impact performance of change of current station equipment is examined
Measuring tool has higher reference value, it is also possible to instruct the lightning Protection Design of above-mentioned transmission line of electricity.
In one embodiment, above-mentioned power transmission network model is connected by analog DC bus between each insulation column model
Connecing, the length of the analog DC bus between two insulation column models of arbitrary neighborhood is arranged can be as in figure 2 it is shown, such as Fig. 2 institute
Show, between above-mentioned adjacent two insulation column models the length of analog DC bus can include respectively 600mm (millimeter),
700mm, 800mm, 900mm and 1000mm.
In one embodiment, the transient impact performance detecting system of above-mentioned current conversion station equipment, it is also possible to include that electric current is surveyed
Amount device；In the present embodiment, above-mentioned excitation current source connects the top of each Tower Model；
Described current measuring device is connected between top and the excitation current source of described Tower Model；
Described current measuring device is for measuring the current parameters of the dash current that described excitation current source sends.
The dash current that corresponding excitation current source occurs can be measured by above-mentioned current measuring device, above-mentioned to obtain
The current parameters letters such as the current value size of dash current, Current Waveform Characteristics information (rising time or trailing edge time etc.)
Breath, the transient impact performance for corresponding current conversion station equipment detects, it is ensured that the integrity of above-mentioned transient impact parameter detecting.On
State current measuring device can include measuring or to obtain the size of current by Tower Model top, Current Waveform Characteristics letter
The devices such as the current measurement table of the current parameters such as breath (rising time or trailing edge time etc.) or oscillograph.
In one embodiment, the transient impact performance detecting system of above-mentioned current conversion station equipment, it is also possible to include server；
Described server connects current measuring device and voltage measuring apparatus respectively；Measure for obtaining current measuring device
Current parameters and the voltage parameter measured of voltage measuring apparatus, and detect described according to described current parameters and voltage parameter
The transient impact performance of the current conversion station equipment that power transmission network model is corresponding.
Above-mentioned server can connect corresponding voltage measuring apparatus and current measuring device by data wire respectively, also may be used
To be communicated with corresponding voltage measuring apparatus and current measuring device by communication, such as voltage measurement is filled
Put and connect wireless communication module with current measuring device etc., make voltage measuring apparatus and current measuring device pass through channel radio respectively
Letter module connects corresponding server etc..
The voltage parameter that the present embodiment utilizes server to obtain corresponding Tower Model top carries out corresponding transient impact parameter
Detection, corresponding detection efficiency can be improved.
As an embodiment, above-mentioned server can also connect excitation current source；
Described server obtains the voltage parameter that voltage measuring apparatus is measured, and reaches default parameter at described voltage parameter
During scope, control described excitation current source and send dash current.
Above-mentioned default parameter area could be arranged to the voltage range less less than 0.5 volt of grade, and such as, server is examined
(voltage parameter reaches default less than a certain magnitude of voltage to measure the magnitude of voltage corresponding to the voltage parameter that voltage measuring apparatus detects
Parameter area) time, server can control described excitation current source and send dash current.
In one embodiment, above-mentioned insulation column model includes the epoxy resin board arranging voltage measurement port.
In the present embodiment, use the electrical equipments such as epoxy resin board analog insulation pillar, spark gap and electric capacity, epoxy resin
Can be with voltage measurement port on plate, it is simple to measure insulator and concatenate corresponding analog DC bus or measure the power transmission lines such as lead-in wire
Road.
In one embodiment, described power transmission network model also includes that analogue ground line, described analogue ground line are connected to institute
Stating between Tower Model and ground end, described analogue ground line is that radius is identical, the bare copper wire of a diameter of 0.8mm.
In one embodiment, above-mentioned Tower Model is to use the model that is welded of galvanized steel, described galvanized steel straight
Footpath is 11mm.
The material of above-mentioned Tower Model uses galvanized steel material to be welded, a diameter of 11mm of galvanized steel；For ensureing bar
Stability when tower is stood, can be respectively welded the steel plate of a size of 150mm × 150mm × 10mm at shaft tower column foot；Build and
The structure of the DC power transmission line Tower Model become can include tower head, tower body and tower leg etc..
In one embodiment, the transient impact performance detecting system of above-mentioned current conversion station equipment, it is also possible to include for leading
The measurement lead-in wire of electricity；
Described measurement lead-in wire is used for connecting each Tower Model described and excitation current source, excitation current source and ground end, institute
Each voltage measurement point and voltage measuring apparatus, and voltage measuring apparatus and ground end.
Above-mentioned measurement lead-in wire can be vertical with the axis of connected Tower Model or insulation column model, to reduce
The impact on measurement result of the magnetic coupling each other.
Above-mentioned measurement lead-in wire is for connecting the various piece in the transient impact performance detecting system of current conversion station equipment
Come.Wherein, the measurement lead-in wire being connected to excitation current source side is properly termed as current feed, is connected to voltage measuring apparatus side
Measurement lead-in wire be properly termed as voltage lead.Measure lead-in wire and can include that the electric conductivity such as bare copper wire or other plain conductors is good
Good wire.When being placed by above-mentioned measurement lead-in wire nature, above-mentioned measurement lead-in wire is for straight.
As an embodiment, above-mentioned measurement lead-in wire is bare copper wire.
Bare copper wire has the most excellent electric conductivity, utilizes bare copper wire to connect the transient impact performance inspection of current conversion station equipment
The various piece of examining system, can improve the detection of the transient impact performance detecting system of corresponding current conversion station equipment further
Energy.As it is shown on figure 3, above-mentioned measurement lead-in wire 180 can include heart yearn 181 and screen layer 182, to ensure the peace in its work process
Quan Xing.
As an embodiment, the diameter range of above-mentioned measurement lead-in wire is 0.3 to 1.2 millimeter.
When being placed by measurement lead-in wire nature, above-mentioned measurement lead-in wire is for straight, and the diameter measuring lead-in wire can be 0.3 milli
Rice, 1.1 millimeters or 1.2 millimeters of equivalences, it is also possible to other values being set between 0.3 to 1.2 millimeter.
In one embodiment, above-mentioned excitation current source can include lightning impulse current generator；Described exciting current
It is nanosecond that source sends rising edge, and pulse width is the lightning impulse current of nanosecond, and the band of described voltage measuring apparatus is a width of
200 megahertzs.
The standard that arranges of above-mentioned lightning impulse current generator may include that selection voltage source waveform rise time 5ns, arteries and veins
Wide 300ns, the test voltage source of impedance 50 Ω, voltage magnitude 100V-4000V, maximum current 5A；By impact test power supply (thunder
Surge current feedback circuit) it is connected to below voltage measurement lead-in wire, and keep insulation with ground, power supply (send out by lightning impulse current
Raw device) output signal (lightning impulse current) send the top to corresponding Tower Model by cable or bare copper wire.
In one embodiment, the relevant criterion of above-mentioned current measuring device and voltage measuring apparatus may include that selection
Input capacitance is less than 2pF (pico farad), the High Pressure Difference sub-probe of bandwidth 200MHz (megahertz)；Selecting input impedance is 50 Ω (Europe
Nurse), Measurement bandwidth is the current probe of 200MHz；The probe of voltage measuring apparatus and current measuring device is placed in electric wire tower model
Top, is used for measuring electric wire tower model top level and/or electric current；Voltage measurement lead-in wire (voltage lead) and current measurement lead-in wire
(current feed) all stretches, and the axis of voltage lead, current feed and electric wire tower model is vertical two-by-two, with reduce mutually it
Between the magnetic coupling impact on measurement result；Rising time (ns level for coupling impulse source (lightning impulse current generator)
Not), can select bandwidth 500MHz, measured waveform is stored and shows by two oscillographs of sample rate 5GS/s；For avoiding
Interfering between channel oscilloscope, voltage and current can the most individually measure.
With reference to shown in Fig. 4, Fig. 4 show the Tower Model distribution schematic diagram of an embodiment, as shown in Figure 4, above-mentioned bar
Tower model can be arranged in a linear, and between each adjacent two Tower Models, the distance of (such as the 1st shaft tower and the 2nd shaft tower in figure) is
8000mm, near gate framework model Tower Model (such as the 1st shaft tower in figure) with as described in gate framework model (gate in figure
Framework) between distance be 3000mm.As shown in Figure 4, in the analog DC bus of gate framework model, relatively low simulation
The dc bus bottom 600mm away from above-mentioned gate framework model.
In one embodiment, the transient impact performance detecting system of above-mentioned current conversion station equipment, it is also possible to include earth plate,
Described earth plate tile on the ground, described Tower Model, gate framework model and insulation column model all stand upright on described in connect
On floor, it is female that the axis of described Tower Model, gate framework model and insulation column model is each perpendicular to described analog DC
Line.
The shape of above-mentioned earth plate can be rectangle, and it can include the metallic plates such as the excellent aluminium sheet of electric conductivity.Above-mentioned
Tower Model, gate framework model and insulation column model all stand upright on described earth plate, install and include bar on earth plate
During the power transmission network model of tower model, gate framework model and insulation column model etc., also should leave certain space, to prevent from doing
Disturb.The axis of Tower Model, gate framework model and insulation column model is each perpendicular to described analog DC bus, can subtract
Each ingredient magnetic coupling each other impact on testing result in few power transmission network model.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that, come for those of ordinary skill in the art
Saying, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. the transient impact performance detecting system of a current conversion station equipment, it is characterised in that including: power transmission network based on current conversion station
Model, excitation current source and voltage measuring apparatus；Described power transmission network model includes multiple Tower Model, analog DC bus, door
Type framework model and multiple insulation column model, the top of described Tower Model is connected with each other by analog DC bus；Described
The position of insulation column model is corresponding with the position of insulation column, spark gap and capacitor in transmission line of electricity, each insulation column
Model is attached by analog DC bus, and described insulation column model and Tower Model are respectively distributed to described gate framework
The both sides of model；Wherein, insulation column model and described insulation column, spark gap or capacitor one_to_one corresponding；
Described excitation current source applies dash current respectively to the top of each Tower Model, flows through simulation at described dash current
During dc bus, described voltage measuring apparatus measurement is positioned at the voltage ginseng of analog DC bus at the insulation column model at edge
Number；Described voltage parameter is for detecting the transient impact performance of change of current station equipment.
The transient impact performance detecting system of current conversion station equipment the most according to claim 1, it is characterised in that also include electricity
Flow measuring apparatus；
Described current measuring device is connected between top and the excitation current source of described Tower Model；
Described current measuring device is for measuring the current parameters of the dash current that described excitation current source sends.
The transient impact performance detecting system of current conversion station equipment the most according to claim 2, it is characterised in that also include clothes
Business device；
Described server connects current measuring device and voltage measuring apparatus respectively；For obtaining the electricity that current measuring device is measured
The voltage parameter that stream parameter and voltage measuring apparatus are measured, and detect described transmission of electricity according to described current parameters and voltage parameter
The transient impact performance of the current conversion station equipment corresponding to pessimistic concurrency control.
The transient impact performance detecting system of current conversion station equipment the most according to claim 3, it is characterised in that described service
Device is also connected with excitation current source；
Described server obtains the voltage parameter that voltage measuring apparatus is measured, and reaches default parameter area at described voltage parameter
Time, control described excitation current source and send dash current.
The transient impact performance detecting system of current conversion station equipment the most according to claim 1, it is characterised in that described insulation
Prop up the epoxy resin board that column model includes arranging voltage measurement port.
The transient impact performance detecting system of current conversion station equipment the most according to claim 1, it is characterised in that described simulation
Earth lead is that radius is identical, the bare copper wire of a diameter of 0.8mm.
The transient impact performance detecting system of current conversion station equipment the most according to claim 1, it is characterised in that described shaft tower
Model is the model using galvanized steel to be welded, a diameter of 11mm of described galvanized steel.
8., according to the transient impact performance detecting system of the current conversion station equipment described in any one of claim 1 to 7, its feature exists
In, described excitation current source includes lightning impulse current generator；It is nanosecond that described excitation current source sends rising edge, pulse
Width is the lightning impulse current of nanosecond, a width of 200 megahertzs of the band of described voltage measuring apparatus.
9., according to the transient impact performance detecting system of the current conversion station equipment described in any one of claim 1 to 7, its feature exists
In, described Tower Model is arranged in a linear, and the distance between each adjacent two Tower Models is 8000mm, near door type frame
Distance between Tower Model and the described gate framework model of structure model is 3000mm.
10., according to the transient impact performance detecting system of the current conversion station equipment described in any one of claim 1 to 7, its feature exists
In, also including earth plate, described earth plate tiles on the ground, described Tower Model, gate framework model and insulation column mould
Type all stands upright on described earth plate, and the axis of described Tower Model, gate framework model and insulation column model is the most vertical
In described analog DC bus.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201796096U (en) * | 2010-09-09 | 2011-04-13 | 苏州工业园区海沃科技有限公司 | DC parameter tester for lightning arrester on 110 kV/220 kV power line |
| CN103324788A (en) * | 2013-06-03 | 2013-09-25 | 华南理工大学 | Lightning stroke characteristic assessment method |
| CN104155526A (en) * | 2014-08-01 | 2014-11-19 | 云南电力试验研究院（集团）有限公司电力研究院 | Method for measuring impact earthing impedance of electric transmission overhead line structure earthing device with lightning conductor |
| CN104991148A (en) * | 2015-07-31 | 2015-10-21 | 国网上海市电力公司 | 10kV power distribution tower grounding impulse response curve testing device |
| JP2015219237A (en) * | 2014-05-13 | 2015-12-07 | エルエス産電株式会社Lsis Co., Ltd. | Arrestor verification device and method of high voltage dc power transmission system |
-
2016
- 2016-07-12 CN CN201610553597.1A patent/CN106226619A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201796096U (en) * | 2010-09-09 | 2011-04-13 | 苏州工业园区海沃科技有限公司 | DC parameter tester for lightning arrester on 110 kV/220 kV power line |
| CN103324788A (en) * | 2013-06-03 | 2013-09-25 | 华南理工大学 | Lightning stroke characteristic assessment method |
| JP2015219237A (en) * | 2014-05-13 | 2015-12-07 | エルエス産電株式会社Lsis Co., Ltd. | Arrestor verification device and method of high voltage dc power transmission system |
| CN104155526A (en) * | 2014-08-01 | 2014-11-19 | 云南电力试验研究院（集团）有限公司电力研究院 | Method for measuring impact earthing impedance of electric transmission overhead line structure earthing device with lightning conductor |
| CN104991148A (en) * | 2015-07-31 | 2015-10-21 | 国网上海市电力公司 | 10kV power distribution tower grounding impulse response curve testing device |
Non-Patent Citations (2)
| Title |
|---|
| JUN TAKAMI ETC: ""Lightning Surge Characteristics on Inclined Incoming Line to Substation based on Reduced-scale Model Experiment"", 《IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION》 * |
| 卢文浩: ""±800KV换流站直流侧雷电侵入波过电压研究"", 《中国优秀硕士学位论文全文数据库工程科技II辑》 * |
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Application publication date: 20161214 |