RO96892B1 - Metoda si circuit de pornire a convertoarelor statice de medie frecventa - Google Patents
Metoda si circuit de pornire a convertoarelor statice de medie frecventaInfo
- Publication number
- RO96892B1 RO96892B1 RO126312A RO12631286A RO96892B1 RO 96892 B1 RO96892 B1 RO 96892B1 RO 126312 A RO126312 A RO 126312A RO 12631286 A RO12631286 A RO 12631286A RO 96892 B1 RO96892 B1 RO 96892B1
- Authority
- RO
- Romania
- Prior art keywords
- load
- medium frequency
- static converters
- starting
- circuit
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 230000003068 static effect Effects 0.000 title abstract 2
- 239000003990 capacitor Substances 0.000 abstract 2
- 230000002146 bilateral effect Effects 0.000 abstract 1
- 238000004146 energy storage Methods 0.000 abstract 1
- 238000005242 forging Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000006698 induction Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 abstract 1
- 238000005496 tempering Methods 0.000 abstract 1
Landscapes
- General Induction Heating (AREA)
Abstract
Inventia se refera la o metoda si un circuit de pornire a convertoarelor statice de medie frecventa cu invertor în punte monofazata si sarcina compensata paralel, utilizate în domeniul încalzirii prin inductie a metalelor pentru calire, forjare si topire. Solutia consta în faptul ca, în scopul amorsarii oscilatiilor în sarcina, energia acumulata, într-o baterie de condensatoare ce este încarcata de la retea prin redresor comandat si printr-o bobina de filtrare acumulatoare de energie, este descarcata pe sarcina prin intermediul unui comutator bilateral si a doua tiristoare din bratele opuse ale puntii invertoare însumat cu curentul din bobina de filtrare. Descarcarea bateriei de condensatoare începe în momentul în care curentul de încarcare a atins valoarea maxima, procesul pornirii find încheiat când tensiunea pe sarcina depaseste o anumita valoare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO126312A RO96892B1 (ro) | 1986-12-30 | 1986-12-30 | Metoda si circuit de pornire a convertoarelor statice de medie frecventa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO126312A RO96892B1 (ro) | 1986-12-30 | 1986-12-30 | Metoda si circuit de pornire a convertoarelor statice de medie frecventa |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO96892A2 RO96892A2 (ro) | 1989-04-28 |
| RO96892B1 true RO96892B1 (ro) | 1989-05-01 |
Family
ID=20120295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO126312A RO96892B1 (ro) | 1986-12-30 | 1986-12-30 | Metoda si circuit de pornire a convertoarelor statice de medie frecventa |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO96892B1 (ro) |
-
1986
- 1986-12-30 RO RO126312A patent/RO96892B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO96892A2 (ro) | 1989-04-28 |
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