CN109521306A - A kind of thermal cycling ageing temprature control method, device, equipment and storage medium - Google Patents
A kind of thermal cycling ageing temprature control method, device, equipment and storage medium Download PDFInfo
- Publication number
- CN109521306A CN109521306A CN201811640537.9A CN201811640537A CN109521306A CN 109521306 A CN109521306 A CN 109521306A CN 201811640537 A CN201811640537 A CN 201811640537A CN 109521306 A CN109521306 A CN 109521306A
- Authority
- CN
- China
- Prior art keywords
- cable
- different
- group
- temperature
- thermal cycling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G01R31/003—Environmental or reliability tests
-
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1919—Control of temperature characterised by the use of electric means characterised by the type of controller
Abstract
This application discloses a kind of thermal cycling ageing temprature control method, device, equipment and storage mediums, method is comprising steps of several cables to be tested are grouped, it connects to same group of cable, all groups of cable is connected in parallel in same high pressure generator；Different punching transformers is matched on each group of cable, and makes each group of cable reach different temperature by the different punching transformer.The application can be by applying different electric currents to the cable for connecting same high pressure generator so that these cables respectively reach different temperature, so that combining accelerated aging test for electric heating provides a kind of energy conservation and efficient test method.
Description
Technical field
This application involves electric heating to combine accelerated aging test technical field, more particularly to a kind of thermal cycling ageing temperature control
Method, apparatus, equipment and storage medium processed.
Background technique
Crosslinked polyethylene (XLPE) is not only answered extensively by feat of superior electric property, good hot property and mechanical performance
For mesolow power transmission engineering, it is also applied in high pressure and extra-high voltage transmission.Now is had reached to correlation the design and operation longevity
The cable of life carries out detection and finds that its insulation performance is good, and relevant parameter still reaches standard requirements, can still continue to run, but
Due to lacking correlation theory demonstration and lot of experiments, operation of power networks department still dare not allow cable to exceed the time limit to run.For fortune
The cable of row for a long time, in order to learn the degree of aging of cable, related physicochemical property, electric property and Mechanical Property Analysis experiment are answered
It transports and gives birth to, aging analysis is all and to obtain the characteristic quantity of these agings by based on the comparison to aging characteristics, is needed
The cable of aging is obtained by degradation, and then could pass through thermodynamics, molecular structurology, aggregated structure etc. other
Analysis means are analyzed to obtain aging characteristics to the cable of these agings.Thus degradation is research cable aging
Degree obtains indispensable a part of the characteristic quantity of aging, for most cable testing, requires to carry out cable
The processing of accelerated ageing --- it carries out electric heating and combines accelerated aging test, electric heating joint accelerated aging test main purpose is to add
The ageing process of fast cable judges insulation performance state and the residue longevity of cable by the operation time limit of equivalent actual cable
The test temperature setting of life, electric heating joint accelerated aging test determines aging and the degradation of cable insulation, different temperatures
Gradient generates great influence to cable insulation.
At this stage for the test of the electric heating combined cycle aging of multi-cable, the method more taken is with multi-cable string
Test cable is passed to high current to reach temperature rise effect by punching transformer by connection form, and this way is only applicable to different electricity
Cable obtains the case where identical isothermal gradient.And senile experiment of the different cables under different temperatures gradient is just no longer applicable in.
Summary of the invention
This application provides a kind of thermal cycling ageing temprature control method, device, equipment and storage mediums, can pass through
Different electric currents is applied so that these cables respectively reach different temperature, to be to the cable for connecting same high pressure generator
Electric heating joint accelerated aging test provides a kind of energy conservation and efficient test method.
The thermal cycling ageing temprature control method of one kind that the application first aspect provides, comprising:
Several cables to be tested are grouped, are connected to same group of cable, all groups of cable is in parallel
In same high pressure generator；
Different punching transformers is matched on each group of cable, and makes each group by different punching transformers
Cable reach different temperature.
Preferably, described that different punching transformers is matched on each group of cable, and pass through different punching transformations
Device each group of cable reach different temperature to specifically include:
Different punching transformers is matched on each group of cable, the different punching transformer is used for by phase
The cable answered applies different electric currents, so that each group of cable reaches different temperature.
Preferably, the punching transformer is used to automatically control the electric current by cable by PLC system, and then controls electricity
The temperature of cable.
Preferably, described to be grouped several cables to be tested, different wear is matched one by one to all cable groups
Heart transformer, by the punching transformer control all cable components do not generate different temperature gradients to same group of cable into
Row series connection, all groups of cable is connected in parallel in same high pressure generator further include:
It controls concatenated cable and is in same temperature.
The application second aspect provides a kind of thermal cycling ageing temperature control equipment, comprising:
Grouping module is connected to same group of cable, will be owned for being grouped several cables to be tested
The cable of group is connected in parallel in same high pressure generator；
Temperature control module becomes for matching different punching transformers on each group of cable, and by different punchings
Depressor makes each group of cable reach different temperature.
Preferably, the temperature control module is specifically used for:
Different punching transformers is matched on each group of cable, the different punching transformer passes through to corresponding
Cable applies different electric currents, so that each group of cable reaches different temperature.
Preferably, the punching transformer is used to automatically control the electric current by cable by PLC system, and then controls electricity
The temperature of cable.
Preferably, the grouping module is also used to:
It controls concatenated cable and is in same temperature.
The thermal cycling ageing Temperature-controlled appliance of one kind that the application third aspect provides, the equipment include processor with
And memory:
Said program code is transferred to the processor for storing program code by the memory；
The processor is used for thermal cycling ageing according to one kind of the instruction execution first aspect in said program code
Temprature control method.
A kind of computer readable storage medium that the application fourth aspect provides, the computer readable storage medium are used for
Program code is stored, said program code is for executing the thermal cycling ageing temprature control method of one kind described in first aspect.
As can be seen from the above technical solutions, the application has the following advantages:
One kind provided by the present application thermal cycling ageing temprature control method, device, equipment and storage medium, method include
Step: several cables to be tested are grouped, are connected to same group of cable, all groups of cable is connected in parallel on together
In one high pressure generator；Different punching transformers is matched on each group of cable, and passes through the different punching transformation
Device makes each group of cable reach different temperature.The application can be by applying the cable for connecting same high pressure generator
Different electric currents are so that these cables respectively reach different temperature, so that combining accelerated aging test for electric heating provides a kind of section
Energy and efficient test method.
Detailed description of the invention
It in ord to more clearly illustrate embodiments of the present application, below will be to required use in embodiment or description of the prior art
Attached drawing be briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for this
For the those of ordinary skill of field, without any creative labor, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the flow diagram of the thermal cycling ageing temprature control method of one kind provided by the embodiments of the present application；
Fig. 2 is the cable parallel connection schematic diagram of the thermal cycling ageing temprature control method of one kind provided by the embodiments of the present application.
Specific embodiment
This application provides a kind of thermal cycling ageing temprature control method, device, equipment and storage mediums, can pass through
Different electric currents is applied so that these cables respectively reach different temperature, to be to the cable for connecting same high pressure generator
Electric heating joint accelerated aging test provides a kind of energy conservation and efficient test method.
To enable present invention purpose, feature, advantage more obvious and understandable, below in conjunction with the application
Attached drawing in embodiment, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that disclosed below
Embodiment be only some embodiments of the present application, and not all embodiment.Based on the embodiment in the application, this field
Those of ordinary skill's all other embodiment obtained without making creative work belongs to the application protection
Range.
Referring to Fig. 1 and Fig. 2, Fig. 1 is the stream of the thermal cycling ageing temprature control method of one kind provided by the embodiments of the present application
Journey schematic diagram；Fig. 2 is the cable parallel connection schematic diagram of the thermal cycling ageing temprature control method of one kind provided by the embodiments of the present application.
The thermal cycling ageing temprature control method of one kind that the application first aspect provides, comprising:
Several cables to be tested are grouped, connect to same group of cable, simultaneously by all groups of cable by S1
It is associated in same high pressure generator；
S2 matches different punching transformers on each group of cable, and is made often by different punching transformers
One group of cable reaches different temperature.
It should be noted that the temprature control method that one kind provided by the embodiments of the present application is thermal cycling ageing, for will
The cable that electric heating combines thermal cycling ageing test is carried out, is first grouped these cables, is carried out to dividing in same group of cable
Series connection, and be connected on high pressure generator as unit of group, and the cable of different groups is connected on same high pressure generator
After form parallel connection；
Punching transformer is connected for all groups be connected on high pressure generator one by one, passes through the control to punching transformer
System, so that these cables in parallel respectively reach different temperature.
Further, different punching transformers is matched on each group of cable, and passes through different punching transformers
So that each group of cable reaches different temperature and specifically includes:
Different punching transformers is matched on each group of cable, different punching transformers is used for by corresponding
Cable applies different electric currents, so that each group of cable reaches different temperature.
Further, punching transformer is used to automatically control the electric current by cable by PLC system, and then controls cable
Temperature.
Further, several cables to be tested are grouped, different punchings is matched one by one to all cable groups
Transformer controls all cable components by punching transformer and does not generate different temperature gradients and goes here and there to same group of cable
Connection, all groups of cable is connected in parallel in same high pressure generator further include:
It controls concatenated cable and is in same temperature.
The specific implementation step of the thermal cycling ageing Temperature-controlled appliance of one kind provided by the embodiments of the present application is as follows:
It is experimental need to obtain 3 groups needed for 110kV voltage class cable sample, wherein every group of cable sample
Serial number can arbitrarily adjust according to demand, the group quantity of the cable sample tested can be any according to experiment requirement groups
Adjustment.
1, variable-frequency power sources, exciting transformer, high voltage reactor and capacitive divider are formed into series resonance high pressure generator,
High pressure generator is for generating high pressure, together by same group of other cable series connection, then by this 3 groups of test cable circuit point
It is not connected in parallel on high pressure generator end at equal intervals, high pressure generator applies 1.4U to the cable group of connection0Voltage；
2, each group of cable concatenates a punching transformer respectively, and conveys energy to punching transformer by pressure regulator
Power, and pass through PLC controller auto-adjustment control electric current, cable other for different groups, decibel applies different electric currents, wherein
The temperature of 3 groups of cable conductors is respectively 50 DEG C, 70 DEG C and 90 DEG C；The accelerated ageing time of each group test cable point is set to periodic fever
Circulation 15 days, 20 days and 30 days；
3, after electric heating combines accelerated aging test, have a power failure and remove the cable of each group, multiple groups can be obtained in different electric currents,
Sample of cable i.e. under different temperatures；
4, the analyses such as subsequent series of physicochemical, electrical and mechanical performance are carried out to the cable removed to test, obtains Electricity Federation
The characteristic quantity of aging and the agine mechaism for studying cable aging.
The application second aspect provides a kind of thermal cycling ageing temperature control equipment, comprising:
Grouping module is connected to same group of cable, will be owned for being grouped several cables to be tested
The cable of group is connected in parallel in same high pressure generator；
Temperature control module becomes for matching different punching transformers on each group of cable, and by different punchings
Depressor makes each group of cable reach different temperature.
Further, temperature control module is specifically used for:
Different punching transformers is matched on each group of cable, different punching transformers passes through to corresponding cable
Apply different electric currents, so that each group of cable reaches different temperature.
Further, punching transformer is used to automatically control the electric current by cable by PLC system, and then controls cable
Temperature.
Further, grouping module is also used to:
It controls concatenated cable and is in same temperature.
The thermal cycling ageing Temperature-controlled appliance of one kind that the application third aspect provides, equipment include processor and deposit
Reservoir:
Program code is transferred to processor for storing program code by memory；
Processor is used for the temperature control thermal cycling ageing according to one kind of the instruction execution preceding embodiment in program code
Method processed.
A kind of computer readable storage medium that the application fourth aspect provides, computer readable storage medium is for storing
Program code, program code are used to execute a kind of thermal cycling ageing temprature control method of preceding embodiment.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the division of unit,
Only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can be with
In conjunction with or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or discussed
Mutual coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING of device or unit or
Communication connection can be electrical property, mechanical or other forms.
Unit may or may not be physically separated as illustrated by the separation member, shown as a unit
Component may or may not be physical unit, it can and it is in one place, or may be distributed over multiple networks
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
It, can if integrated unit is realized in the form of SFU software functional unit and when sold or used as an independent product
To be stored in a computer readable storage medium.Based on this understanding, the technical solution of the application substantially or
Say that all or part of the part that contributes to existing technology or the technical solution can embody in the form of software products
Out, which is stored in a storage medium, including some instructions are used so that a computer equipment
The all or part of (can be personal computer, server or the network equipment etc.) execution each embodiment method of the application
Step.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (full name in English: Read-Only Memory,
English abbreviation: ROM), random access memory (full name in English: Random Access Memory, english abbreviation: RAM), magnetic disk
Or the various media that can store program code such as CD.
The above, above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although referring to before
Embodiment is stated the application is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of thermal cycling ageing temprature control method characterized by comprising
Several cables to be tested are grouped, are connected to same group of cable, all groups of cable is connected in parallel on together
In one high pressure generator；
Different punching transformers is matched on each group of cable, and makes each group of electricity by different punching transformers
Cable reaches different temperature.
2. the thermal cycling ageing temprature control method of one kind according to claim 1, which is characterized in that described at each group
Cable on match different punching transformers, and make each group of cable reach different by different punching transformers
Temperature specifically includes:
Different punching transformers is matched on each group of cable, the different punching transformer is used for by corresponding
Cable applies different electric currents, so that each group of cable reaches different temperature.
3. the thermal cycling ageing temprature control method of one kind according to claim 2, which is characterized in that the punching transformation
Device is used to automatically control the electric current by cable by PLC system, and then controls the temperature of cable.
4. the thermal cycling ageing temprature control method of one kind according to claim 1, which is characterized in that described by several
Cable to be tested is grouped, and is matched different punching transformers one by one to all cable groups, is passed through the punching transformer
It controls all cable components and does not generate different temperature gradients and connect to same group of cable, all groups of cable is connected in parallel on
In same high pressure generator further include:
It controls concatenated cable and is in same temperature.
5. a kind of thermal cycling ageing temperature control equipment characterized by comprising
Grouping module connects to same group of cable, for being grouped several cables to be tested by all groups
Cable is connected in parallel in same high pressure generator；
Temperature control module for matching different punching transformers on each group of cable, and passes through different punching transformers
So that each group of cable reaches different temperature.
6. the thermal cycling ageing temperature control equipment of one kind according to claim 5, which is characterized in that the temperature control module
It is specifically used for:
Different punching transformers is matched on each group of cable, the different punching transformer passes through to corresponding cable
Apply different electric currents, so that each group of cable reaches different temperature.
7. the thermal cycling ageing temperature control equipment of one kind according to claim 6, which is characterized in that the punching transformation
Device is used to automatically control the electric current by cable by PLC system, and then controls the temperature of cable.
8. the thermal cycling ageing temperature control equipment of one kind according to claim 5, which is characterized in that the grouping module
It is also used to:
It controls concatenated cable and is in same temperature.
9. a kind of thermal cycling ageing Temperature-controlled appliance, which is characterized in that the equipment includes processor and memory:
Said program code is transferred to the processor for storing program code by the memory；
The processor is used to be followed according to a kind of described in any item heat of the instruction execution claim 1-4 in said program code
The temprature control method of ring aging.
10. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium is for storing program generation
Code, the temprature control method that said program code requires the described in any item one kind of 1-4 thermal cycling ageing for perform claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811640537.9A CN109521306A (en) | 2018-12-29 | 2018-12-29 | A kind of thermal cycling ageing temprature control method, device, equipment and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811640537.9A CN109521306A (en) | 2018-12-29 | 2018-12-29 | A kind of thermal cycling ageing temprature control method, device, equipment and storage medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109521306A true CN109521306A (en) | 2019-03-26 |
Family
ID=65798601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811640537.9A Pending CN109521306A (en) | 2018-12-29 | 2018-12-29 | A kind of thermal cycling ageing temprature control method, device, equipment and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109521306A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325171A (en) * | 2021-12-06 | 2022-04-12 | 广东电网有限责任公司 | Electric heating circulation aging test method and device based on 8-shaped loop |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SK5562000A3 (en) * | 2000-04-17 | 2001-12-03 | Fakulta Elektrotechniky A Info | Method for the identification of local degraded points of high voltage "pvc" cables |
| CN201673132U (en) * | 2010-01-14 | 2010-12-15 | 上海蓝波高电压技术设备有限公司 | High-power cable cyclic heating testing control device |
| CN203929922U (en) * | 2014-05-09 | 2014-11-05 | 上海蓝波高电压技术设备有限公司 | A kind of two period cable circulating-heating test unit |
| CN104297575A (en) * | 2014-10-14 | 2015-01-21 | 中国南方电网有限责任公司电网技术研究中心 | PEA space charge measurement system and method under full-size high-voltage direct current cable temperature control gradient |
| US20150028885A1 (en) * | 2013-07-23 | 2015-01-29 | Atomic Energy Council - Institute Of Nuclear Energy Research | Method for evaluation of cable aging degradation based on slice sampling |
| CN104375032A (en) * | 2014-11-10 | 2015-02-25 | 大连理工大学 | Intelligent insulator ageing test system |
| CN106569065A (en) * | 2016-11-03 | 2017-04-19 | 国网浙江省电力公司舟山供电公司 | DC cable thermal cycle voltage test device |
| CN106707069A (en) * | 2017-02-15 | 2017-05-24 | 国网湖北省电力公司电力科学研究院 | Insulation tube bus electro-thermal accelerated ageing test device and method |
| CN107064691A (en) * | 2017-05-04 | 2017-08-18 | 广西电网有限责任公司电力科学研究院 | A kind of high frequency voltage is superimposed the cable accessory ageing test apparatus of power current |
| CN206540969U (en) * | 2017-02-15 | 2017-10-03 | 国网湖北省电力公司电力科学研究院 | Insulating tube type busbar electric heating accelerated aging tester |
| CN108375537A (en) * | 2018-03-01 | 2018-08-07 | 大连海事大学 | Cable for ship insulation life detection method based on biggest quality minimizing speed |
-
2018
- 2018-12-29 CN CN201811640537.9A patent/CN109521306A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SK5562000A3 (en) * | 2000-04-17 | 2001-12-03 | Fakulta Elektrotechniky A Info | Method for the identification of local degraded points of high voltage "pvc" cables |
| CN201673132U (en) * | 2010-01-14 | 2010-12-15 | 上海蓝波高电压技术设备有限公司 | High-power cable cyclic heating testing control device |
| US20150028885A1 (en) * | 2013-07-23 | 2015-01-29 | Atomic Energy Council - Institute Of Nuclear Energy Research | Method for evaluation of cable aging degradation based on slice sampling |
| CN203929922U (en) * | 2014-05-09 | 2014-11-05 | 上海蓝波高电压技术设备有限公司 | A kind of two period cable circulating-heating test unit |
| CN104297575A (en) * | 2014-10-14 | 2015-01-21 | 中国南方电网有限责任公司电网技术研究中心 | PEA space charge measurement system and method under full-size high-voltage direct current cable temperature control gradient |
| CN104375032A (en) * | 2014-11-10 | 2015-02-25 | 大连理工大学 | Intelligent insulator ageing test system |
| CN106569065A (en) * | 2016-11-03 | 2017-04-19 | 国网浙江省电力公司舟山供电公司 | DC cable thermal cycle voltage test device |
| CN106707069A (en) * | 2017-02-15 | 2017-05-24 | 国网湖北省电力公司电力科学研究院 | Insulation tube bus electro-thermal accelerated ageing test device and method |
| CN206540969U (en) * | 2017-02-15 | 2017-10-03 | 国网湖北省电力公司电力科学研究院 | Insulating tube type busbar electric heating accelerated aging tester |
| CN107064691A (en) * | 2017-05-04 | 2017-08-18 | 广西电网有限责任公司电力科学研究院 | A kind of high frequency voltage is superimposed the cable accessory ageing test apparatus of power current |
| CN108375537A (en) * | 2018-03-01 | 2018-08-07 | 大连海事大学 | Cable for ship insulation life detection method based on biggest quality minimizing speed |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325171A (en) * | 2021-12-06 | 2022-04-12 | 广东电网有限责任公司 | Electric heating circulation aging test method and device based on 8-shaped loop |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ansuj et al. | Parameter estimation for induction machines based on sensitivity analysis | |
| Mazzanti | Life estimation of HVDC cables under the time-varying electrothermal stress associated with load cycles | |
| Arthishri et al. | Simplified methods for the analysis of self‐excited induction generators | |
| CN109521306A (en) | A kind of thermal cycling ageing temprature control method, device, equipment and storage medium | |
| Maussion et al. | Lifespan and aging modeling methods for insulation systems in electrical machines: A survey | |
| Alturas et al. | On the identifiability of steady-state induction machine models using external measurements | |
| CN109633334A (en) | A kind of electric heating combines thermal cycling ageing method, apparatus, equipment and storage medium | |
| Arabsalmanabadi et al. | Harmonic power flow in unbalanced and polluted radial distribution systems | |
| CN109412138A (en) | Sharing control system and method | |
| US11105863B2 (en) | Burn-in system energy management | |
| US9383738B2 (en) | Method for high fidelity modeling of an aircraft electrical power system | |
| CN105823941B (en) | Method for testing electric system and electric system | |
| Belyaev et al. | Clustering of elecric network for effective management of Smart grid | |
| CN104052302A (en) | Current distribution apparatus | |
| JP5953077B2 (en) | Inverter test equipment | |
| Humpage et al. | Numerical integration algorithms in power-system dynamic analysis | |
| Chomat et al. | Analysis of magnetic field distribution in induction machine with combined star‐delta stator winding | |
| Mathew et al. | Design and implementation of a three level diode clamped inverter for more electric aircraft applications using hardware in the loop simulator | |
| Leonard | Nonlinear Modeling of DC Constant Power Loads with Frequency Domain Volterra Kernels | |
| Diana et al. | Reducing root‐mean‐square current stress on the DC link capacitor of a five‐phase electric drive through multiple carrier pulse‐width modulation technique | |
| Şengül | Broadband matching via unequal length cascaded transmission lines | |
| Yi | Electro-thermal design and optimization of high-specific-power slotless pm machine for aircraft applications | |
| Paran et al. | Evaluation of the interface accuracy for power hardware-in-the-loop experiments | |
| Ma et al. | Study and design a strategy to control high-voltage power supply based on PSM technology on J-TEXT Tokamak | |
| Balasubramanian et al. | Thermal test method for high power three‐phase grid‐connected inverters |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190326 |
|
| RJ01 | Rejection of invention patent application after publication |