SE469308B - HOEGSPAENNINGSHALVLEDARKONTAKTOR - Google Patents
HOEGSPAENNINGSHALVLEDARKONTAKTORInfo
- Publication number
- SE469308B SE469308B SE8703087A SE8703087A SE469308B SE 469308 B SE469308 B SE 469308B SE 8703087 A SE8703087 A SE 8703087A SE 8703087 A SE8703087 A SE 8703087A SE 469308 B SE469308 B SE 469308B
- Authority
- SE
- Sweden
- Prior art keywords
- voltage
- thyristors
- ignition
- rectifier bridge
- auxiliary
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
- H03K17/725—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region for ac voltages or currents
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/10—Modifications for increasing the maximum permissible switched voltage
- H03K17/105—Modifications for increasing the maximum permissible switched voltage in thyristor switches
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
- H03K17/79—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar semiconductor switches with more than two PN-junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region
Landscapes
- Power Conversion In General (AREA)
- Rectifiers (AREA)
- Saccharide Compounds (AREA)
- Medicines Containing Plant Substances (AREA)
Description
469 508 10 15 20 25 30 _35 2 vad gäller uppbyggnad och monteringsarbete och utbytbart kunna ersätta mekaniska kontaktorer. 469 508 10 15 20 25 30 _35 2 in terms of construction and assembly work and interchangeable be able to replace mechanical contactors.
Denna uppgift löses i enlighet med patentkravets 1 kännetecknande särdrag.This task is solved in accordance with claim 1 characteristic features.
Det finns visserligen redan halvledarreläer frán olika tillverkare, men dessa är inte jämförbara med de efterlysta högspänningskontaktorerna och även användbara enbart för spänningar upp till 600 V.Admittedly, there are already semiconductor relays from different manufacturers, but these are not comparable to those in demand the high voltage contactors and also useful only for voltages up to 600 V.
Fördelaktiga utföringsformer av uppfinningen framgår av underkraven.Advantageous embodiments of the invention appear of the subclaims.
Uppfinningen skall beskrivas närmare i det följande i anslutning till ett på bifogade ritning återgivet utfö- “ ringsexempel varvid figuren visar strömflödesschemat för en dylik kontakter.The invention will be described in more detail in the following in connection with an embodiment reproduced in the attached drawing ring example wherein the figure shows the current flow diagram for such contacts.
Med I och II har tvâ så kallade powerblock betecknats, vilka vart och ett består av tvâ antiparallella tyristorer A och B och vilka seriekopplat skall styra en inte närmare âtergiven ohmsk belastning, t ex ett värmeelement. Likfor- mig dynamisk spärrspänningsuppdelning av de båda seriekopp- lade powerblocken I och II ombesörjes med RC-krets Cl, R2l/C2, R22. Den statiska spänningsuppdelningen àstadkommes med resistansen R20 och en resistanskombination av Rl9 och spänningsdelarna 10 och 12.With I and II, two so-called power blocks have been designated, each of which consists of two antiparallel thyristors A and B and which are connected in series shall not control one further reproduced ohmic load, eg a heating element. Likfor- dynamic barrier voltage distribution of the two series power blocks I and II are provided with RC circuit Cl, R21 / C2, R22. The static voltage distribution is achieved with the resistance R20 and a resistance combination of R19 and voltage parts 10 and 12.
Styrdelen är pà högspänningssidan vid halva belast- ningsspänningen parallellkopplad med powerblocket II. Den består i huvudsak av en likriktarbrygga l med två i dess grenar integrerade tändtransformatorer 2 och 3, vilkas se- kundärlindningar a, a' och b, b' påverkar huvudtyristo- rernas A respektive B styrelektroder via tillhörande lik- riktarventil 6 till 9. Huvudtyristorerna A eller B styres allt efter lastspänningens halvvág när ett strömflöde är möjligt över två hjälptyristorer 13, 14, vilka kortsluter likriktarens l likspänningsutgàngsplintar. Den generella styrningen sker via en likspänning US på t ex DC 24 V via en optokopplare 5. Optokopplarens 5 fototransistor 4 är därvid anordnad såsom styrkrets i en första spänningsdelar- gren 10 som är ansluten till likriktarens l utgångsspänning. 10 15 20 25 2469 šU8@ 3 Föreligger styrspänningen US vid ingàngsplintarna, leder optokopplarens 5 fototransistor 4 medan en hjälp- transistor ll, vilken tar ut sin styrspänning vid den första spänningsdelargrenen 10, spärrar. Hjälptransistorn ll ligger i en andra spänningsdelargren 12, som är anord- nad parallellt med spänningsdelargrenen 10 och också är ansluten till likriktarens l utgångsspänning. Styrspän- ningarna för de hjälptyristorer l3, 14, vilka bildar en extra parallellgren, uttages vid den andra spänningsdelar- grenen 12. Tändes de seriekopplade hjälptyristorerna l3, 14 inledes tändningen av huvudtyristorerna A respektive B via tändtransformatorerna 2, 3.The control part is on the high voltage side at half load voltage connected in parallel with the power block II. The consists mainly of a rectifier bridge l with two in it branches of integrated ignition transformers 2 and 3, the customer windings a, a 'and b, b' affect the main thyristor A and B control electrodes via the associated rectifier valve 6 to 9. The main thyristors A or B are controlled depending on the half-wave of the load voltage when a current flow is possible over two auxiliary thyristors 13, 14, which short circuit rectifier l DC voltage output terminals. The general the control takes place via a direct voltage US of eg DC 24 V via an optocoupler 5. The phototransistor 4 of the optocoupler 5 is arranged as a control circuit in a first voltage divider branch 10 which is connected to the output voltage of the rectifier 1. 10 15 20 25 2469 šU8 @ 3 If the control voltage US is present at the input terminals, conducts the phototransistor 4 of the optocoupler 5 while an auxiliary transistor 11, which draws its control voltage at it first voltage divider branch 10, locks. The auxiliary transistor 11 lies in a second voltage divider branch 12, which is arranged parallel to the voltage divider branch 10 and also is connected to the rectifier l output voltage. Steering voltage the auxiliary thyristors 13, 14 which form one additional parallel branch, is taken at the second voltage divider branch 12. The auxiliary thyristors 13 connected in series were lit, 14, the ignition of the main thyristors A and B via the ignition transformers 2, 3.
Kretsen har uppbyggts så att huvudtyristorerna A, B inte tänder redan när styrspänning Us föreligger. Någon tändning av huvudtyristorerna är i stället först möjlig i lastspänningens nollgenomgång, dvs huvudtyristorernas A, B tändtidpunkt ligger nätstyrt i lastspänningens noll- spänningsområde. Är lastspänningens momentanvärde större än ett genom spänningsuttag vid den första spänningsdelar- grenen 10 i förväg valt tröskelvärde, öppnas hjälptransis- torn ll, varigenom hjälptyristorerna 13, 14 och därmed huvudtyristorerna A, B icke tändes. Halvledarkontaktorn kan således såsom nollspänningsbrytare koppla endast inom ett litet område kring lastspänningens spänningsnollgenom- gång.The circuit has been constructed so that the main thyristors A, B does not switch on already when control voltage Us is present. Someone ignition of the main thyristors is instead possible first in the zero crossing of the load voltage, ie of the main thyristors A, B ignition time is mains controlled in the zero voltage of the load voltage voltage range. Is the momentary value of the load voltage greater than one through voltage outlet at the first voltage divider branch 10 of the preselected threshold value, the auxiliary transmission tower 11, whereby the auxiliary thyristors 13, 14 and thus the main thyristors A, B were not lit. The semiconductor contactor can thus, as a zero voltage switch, switch only within a small area around the load zero voltage of the load voltage walk.
Tack vare uppfinningen har de inledningsvis ställda kraven kunnat uppfyllas på enkelt sätt. Tyristorkontaktorn är utbytbar mot en elektromekanisk kontaktor med samma effektvärde.Thanks to the invention, they have initially set the requirements could be met in a simple way. Thyristor contactor is interchangeable with an electromechanical contactor with the same power value.
Claims (5)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863627017 DE3627017A1 (en) | 1986-08-09 | 1986-08-09 | High-voltage semiconductor contactor |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8703087D0 SE8703087D0 (en) | 1987-08-07 |
SE8703087L SE8703087L (en) | 1988-02-10 |
SE469308B true SE469308B (en) | 1993-06-14 |
Family
ID=6307034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8703087A SE469308B (en) | 1986-08-09 | 1987-08-07 | HOEGSPAENNINGSHALVLEDARKONTAKTOR |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH673363A5 (en) |
DE (1) | DE3627017A1 (en) |
NO (2) | NO872954D0 (en) |
SE (1) | SE469308B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020207856A1 (en) | 2020-06-25 | 2021-12-30 | Robert Bosch Gesellschaft mit beschränkter Haftung | Inverter for an electrical machine, electrical machine with such an inverter and steering system with such an electrical machine |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57155838A (en) * | 1981-03-23 | 1982-09-27 | Fuji Electric Co Ltd | Anti-parallel thyristor triggering device |
DD211028A1 (en) * | 1982-10-08 | 1984-06-27 | Inst Regelungstechnik | ELECTRONIC RELAY FOR AC VOLTAGE |
GB8421070D0 (en) * | 1984-08-20 | 1984-09-26 | Muirhead A D | Power switching device |
-
1986
- 1986-08-09 DE DE19863627017 patent/DE3627017A1/en not_active Ceased
-
1987
- 1987-07-15 NO NO872954A patent/NO872954D0/en unknown
- 1987-08-03 NO NO873234A patent/NO873234L/en unknown
- 1987-08-04 CH CH2999/87A patent/CH673363A5/de not_active IP Right Cessation
- 1987-08-07 SE SE8703087A patent/SE469308B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3627017A1 (en) | 1988-02-18 |
CH673363A5 (en) | 1990-02-28 |
NO873234D0 (en) | 1987-08-03 |
NO872954D0 (en) | 1987-07-15 |
SE8703087D0 (en) | 1987-08-07 |
SE8703087L (en) | 1988-02-10 |
NO873234L (en) | 1988-02-10 |
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