PL402223A1 - Method and system for measuring the choke's own and mutual thermal resistance - Google Patents
Method and system for measuring the choke's own and mutual thermal resistanceInfo
- Publication number
- PL402223A1 PL402223A1 PL402223A PL40222312A PL402223A1 PL 402223 A1 PL402223 A1 PL 402223A1 PL 402223 A PL402223 A PL 402223A PL 40222312 A PL40222312 A PL 40222312A PL 402223 A1 PL402223 A1 PL 402223A1
- Authority
- PL
- Poland
- Prior art keywords
- choke
- winding
- thermal resistance
- core
- measuring
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 238000004804 winding Methods 0.000 abstract 10
- 238000005259 measurement Methods 0.000 abstract 2
- 230000006698 induction Effects 0.000 abstract 1
- 238000003908 quality control method Methods 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
Landscapes
- Testing Of Individual Semiconductor Devices (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
Przedmiotem wynalazku jest sposób i układ do pomiaru własnej i wzajemnej rezystancji termicznej dławika, mający zastosowanie przy kontroli jakości elementów indukcyjnych dla przemysłu elektronicznego. Sposób pomiaru rezystancji termicznej uzwojenia dławika i wzajemnej rezystancji termicznej między rdzeniem a uzwojeniem, wykorzystujący w charakterze parametru termoczułego rezystancję uzwojenia, realizowany jest w trzech etapach obejmujących kolejno pomiary i obliczenia z wzorów analitycznych. Sposób charakteryzuje się tym, że w pierwszym etapie pomiaru mierzona jest rezystancja uzwojenia R1 przy małej wartości prądu dławika I1, niepowodującej wzrostu temperatury uzwojeń, oraz temperatura Ta rdzenia przy wykorzystaniu pirometru, w drugim etapie mierzona jest, w stanie termicznie ustalonym, rezystancja R2 uzwojenia oraz temperatura Tr rdzenia dławika za pomocą pirometru przy dużej wartości prądu dławika I2 w etapie trzecim wartości rezystancji termicznej uzwojenia Rthu oraz wzajemnej rezystancji termicznej między rdzeniem a uzwojeniem Rthur wyliczane są ze wzorów: (A). Układ do pomiaru rezystancji termicznej uzwojenia dławika i wzajemnej rezystancji termicznej między rdzeniem a uzwojeniem zawiera badany dławik, woltomierz, amperomierz, zasilacz prądowy oraz pirometr. Układ charakteryzuje się tym, że zasilacz prądowy (1) jest szeregowo połączony z amperomierzem (2) oraz dwójnikiem stanowiącym równoległe połączenie woltomierza (3) oraz dławika (4), przy czym dławik wyposażony jest w styki Kelvina, a promieniowanie podczerwone emitowane przez rdzeń dławika jest poddawane detekcji przez pirometr (5).The subject of the invention is a method and system for measuring the intrinsic and reciprocal thermal resistance of a choke, applicable in the quality control of induction components for the electronics industry. The method of measuring the thermal resistance of the choke winding and the mutual thermal resistance between the core and the winding, using the winding resistance as a thermosensitive parameter, is carried out in three stages comprising successively measurements and calculations from analytical formulas. The method is characterized by the fact that in the first stage of measurement, the winding resistance R1 is measured at a small value of the choke current I1, which does not cause the winding temperature to rise, and the core temperature Ta using a pyrometer, in the second stage the resistance of the winding R2 and The choke core temperature Tr using a pyrometer at a high choke current I2 in the third stage of the thermal resistance value of the Rthu winding and the mutual thermal resistance between the core and the Rthur winding are calculated from the formulas: (A). The system for measuring the thermal resistance of the choke winding and mutual thermal resistance between the core and the winding contains the tested choke, voltmeter, ammeter, power supply and pyrometer. The system is characterized by the fact that the power supply (1) is connected in series with the ammeter (2) and the binary connector being a parallel connection of the voltmeter (3) and the choke (4), the choke is equipped with Kelvin contacts, and the infrared radiation emitted by the choke core is detected by a pyrometer (5).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL402223A PL225429B1 (en) | 2012-12-24 | 2012-12-24 | Method and system for measuring self-and mutual- thermal resistance of a choke |
| PL13460073T PL2746790T3 (en) | 2012-12-24 | 2013-11-13 | Method and circuit for measuring own and mutual thermal resistances of a magnetic device |
| EP13460073.3A EP2746790B1 (en) | 2012-12-24 | 2013-11-13 | Method and circuit for measuring own and mutual thermal resistances of a magnetic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL402223A PL225429B1 (en) | 2012-12-24 | 2012-12-24 | Method and system for measuring self-and mutual- thermal resistance of a choke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL402223A1 true PL402223A1 (en) | 2014-07-07 |
| PL225429B1 PL225429B1 (en) | 2017-04-28 |
Family
ID=51063046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL402223A PL225429B1 (en) | 2012-12-24 | 2012-12-24 | Method and system for measuring self-and mutual- thermal resistance of a choke |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL225429B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020202224A1 (en) | 2020-02-20 | 2021-08-26 | Aktiebolaget Skf | Device for measuring two physical quantities |
-
2012
- 2012-12-24 PL PL402223A patent/PL225429B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL225429B1 (en) | 2017-04-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7257110B2 (en) | Thermal non-contact voltage and non-contact current devices | |
| CN104677927B (en) | Distribution transformer winding wood properly test system and method | |
| BR112015022527A2 (en) | collecting and measuring device, method for performing a current measurement on demand, method for performing a high current measurement and collecting and measuring device | |
| PH12016000157A1 (en) | Multiple coil configuration for faulted circuit indicator | |
| EP4372939A3 (en) | Conductor temperature detectors | |
| PL402223A1 (en) | Method and system for measuring the choke's own and mutual thermal resistance | |
| CN204514832U (en) | Substation transformer winding wood properly test system | |
| CN105021865A (en) | A voltage measurement method allowing compensation | |
| CN103017939A (en) | Novel temperature controller checking device | |
| GB201308369D0 (en) | An apparatus and associated method for measuring a series resistance | |
| Charles et al. | RF power standard for low frequencies (100 kHz to 1 GHz) | |
| KR101338756B1 (en) | Apparatus for Temperature Detection Using Resistance Temperature Detector | |
| CN203774983U (en) | Electric-generator enclosed-busbar infrared temperature measurement device | |
| PL429894A1 (en) | Method and system of continuous monitoring of the parameters of wooden floors and the microclimate in the place of their installation | |
| CN204228921U (en) | A kind of passive portable non electrical quantity directly jumps relay tester | |
| PL412019A1 (en) | System for detection of illegal consumption of current from the three-phase power supply network | |
| PL403813A1 (en) | Method and system for measuring the thermal resistance of the bipolar power transistor with the insulated gate | |
| TWM498878U (en) | High precision current measuring device | |
| GB2526039A (en) | Gas sensors and methods of calibrating same | |
| CN202548229U (en) | Device for measuring light-emitting diode (LED) ideality factor | |
| Phanphanit et al. | The Study of Self-Heating Errors on 100 oh m Platinum Resistance Thermometers | |
| 谭榕容 et al. | Measurement of kA-level short pulse current based on B-Dot | |
| Marković | Broadband Measurement System for fast Waveforms | |
| CN106324434A (en) | Intelligent operation detection method for cable | |
| CN105588657A (en) | Simple method for thermal resistor verification |