PL409163A1 - A way of adjusting the frequency and output power of a LCL series-parallel resonant system fed from a voltage inverter - Google Patents

A way of adjusting the frequency and output power of a LCL series-parallel resonant system fed from a voltage inverter

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Publication number
PL409163A1
PL409163A1 PL409163A PL40916314A PL409163A1 PL 409163 A1 PL409163 A1 PL 409163A1 PL 409163 A PL409163 A PL 409163A PL 40916314 A PL40916314 A PL 40916314A PL 409163 A1 PL409163 A1 PL 409163A1
Authority
PL
Poland
Prior art keywords
frequency
output power
adjusting
way
parallel resonant
Prior art date
Application number
PL409163A
Other languages
Polish (pl)
Other versions
PL225891B1 (en
Inventor
Maciej Dzieniakowski
Original Assignee
Politechnika Warszawska
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Politechnika Warszawska filed Critical Politechnika Warszawska
Priority to PL409163A priority Critical patent/PL225891B1/en
Publication of PL409163A1 publication Critical patent/PL409163A1/en
Publication of PL225891B1 publication Critical patent/PL225891B1/en

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  • Inverter Devices (AREA)
  • General Induction Heating (AREA)

Abstract

Zgodnie ze sposobem porównuje się napięcie (uc) na kondensatorze (C) rezonansowego układu szeregowo-równoległego LCL (R) z wartością zerową i wyznacza się chwile, w których napięcie to przyjmuje wartość 0. W tych chwilach włącza się zawory przekątnych falownika (T1-T4), lub (T2-T3). W zależności od oczekiwanej częstotliwości określa się czas trwania tm załączenia zaworów (T1-T4), (T2-T3). Na tej podstawie za pomocą znanych zależności uzyskuje się w rezonansowym układzie szeregowo-równoległym LCL (R) przebiegi o wymaganej częstotliwości. W zależności od oczekiwanej mocy określa się wartość napięcia ud na wejściu falownika (F) i w ten sposób uzyskuje się wymaganą moc wyjściową na wyjściu rezonansowego układu szeregowo-równoległego LCL (R).According to the method, the voltage (uc) across the capacitor (C) of the resonant series-parallel LCL (R) circuit is compared to zero and the instants at which this voltage assumes a value of 0 are determined. At these instants, the diagonal valves of the inverter (T1-T4) or (T2-T3) are turned on. Depending on the expected frequency, the duration tm of the valves (T1-T4) or (T2-T3) is determined. Based on this, waveforms with the required frequency are obtained in the resonant series-parallel LCL (R) circuit using known relationships. Depending on the expected power, the voltage ud at the inverter input (F) is determined, thus obtaining the required output power at the output of the resonant series-parallel LCL (R) circuit.

PL409163A 2014-08-12 2014-08-12 A way of adjusting the frequency and output power of a LCL series-parallel resonant system fed from a voltage inverter PL225891B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL409163A PL225891B1 (en) 2014-08-12 2014-08-12 A way of adjusting the frequency and output power of a LCL series-parallel resonant system fed from a voltage inverter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL409163A PL225891B1 (en) 2014-08-12 2014-08-12 A way of adjusting the frequency and output power of a LCL series-parallel resonant system fed from a voltage inverter

Publications (2)

Publication Number Publication Date
PL409163A1 true PL409163A1 (en) 2016-02-15
PL225891B1 PL225891B1 (en) 2017-05-31

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ID=55299098

Family Applications (1)

Application Number Title Priority Date Filing Date
PL409163A PL225891B1 (en) 2014-08-12 2014-08-12 A way of adjusting the frequency and output power of a LCL series-parallel resonant system fed from a voltage inverter

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PL (1) PL225891B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114269032A (en) * 2021-12-23 2022-04-01 珠海格力电器股份有限公司 Control method and device of electromagnetic induction heating equipment and electromagnetic induction heating system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114269032A (en) * 2021-12-23 2022-04-01 珠海格力电器股份有限公司 Control method and device of electromagnetic induction heating equipment and electromagnetic induction heating system
CN114269032B (en) * 2021-12-23 2022-11-25 珠海格力电器股份有限公司 Control method and device of electromagnetic induction heating equipment and electromagnetic induction heating system

Also Published As

Publication number Publication date
PL225891B1 (en) 2017-05-31

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