DE485210C - Arrangement for complete de-energization of electrical power generators - Google Patents

Arrangement for complete de-energization of electrical power generators

Info

Publication number
DE485210C
DE485210C DEA48342D DEA0048342D DE485210C DE 485210 C DE485210 C DE 485210C DE A48342 D DEA48342 D DE A48342D DE A0048342 D DEA0048342 D DE A0048342D DE 485210 C DE485210 C DE 485210C
Authority
DE
Germany
Prior art keywords
energization
arrangement
complete
electrical power
power generators
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.)
Expired
Application number
DEA48342D
Other languages
German (de)
Inventor
Dr-Ing Arthur Mandl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AEG AG
Original Assignee
AEG AG
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 AEG AG filed Critical AEG AG
Priority to DEA48342D priority Critical patent/DE485210C/en
Application granted granted Critical
Publication of DE485210C publication Critical patent/DE485210C/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/10—Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load
    • H02P9/12—Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load for demagnetising; for reducing effects of remanence; for preventing pole reversal
    • H02P9/123—Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load for demagnetising; for reducing effects of remanence; for preventing pole reversal for demagnetising; for reducing effects of remanence

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Eletrric Generators (AREA)

Description

Anordnung zum vollständigen Entregen von elektrischen Stromerzeugern Die Erfindung betrifft eine weitere Verbesserung -der im Hauptpatent 4-71899 geschützten Anordnung zum vollständigen Entregen von Generatoren.Arrangement for the complete de-energization of electrical power generators The invention relates to a further improvement -the arrangement protected in the main patent 4-71 899 for the complete de-energization of generators.

Nach dem Hauptpatent wird die Erregerwicklung der Erregermaschine derart an einen Spannungsteiler angeschlossen, daß in Gefahrfällen die Anschlüsse gekreuzt und somit die Stromrichtung in der Erregerwicklung umgekehrt wird. Es ist ohne weiteres einzusehen, daß in einer derartigen Anordnung die Entregungszeit des Generators wesentlich von der Größe der der Erregermaschine aufgedrückten Gegenerregung sowie von den Konstanten des Generatorkreises abhängt.According to the main patent, the exciter winding of the exciter machine connected to a voltage divider in such a way that the connections crossed and thus the direction of current in the field winding is reversed. It is without further ado that in such an arrangement the de-excitation time of the Generator depends essentially on the size of the counter-excitation imposed on the exciter as well as on the constants of the generator circuit.

Eine Vergrößerung der Gegenspannung hätte größere Verluste im Spannungsteile zur Folge. Außerdem müßten besondere Einrichtungen getroffen werden, welche den Erregerkreis zur Vermeidung negativer Spannungen im richtigen Moment abschalten. Es erweist sich deshalb, wie bereits im Hauptpatent ausgeführt ist, als zweckmäßig, die Gegenspannung so groß zu wählen, daß sie gerade ausreicht, um den remanenten Magnetismus des Hauptstromerzeugers aufzuheben. Um trotzdem eine kurze Entregungszeit zu erhalten,'- wird erfindungsgemäß ein Feldschwächungswiderstand in den Haupterregerkreis in an sich bekannter Weise eingeschaltet.An increase in the counter voltage would result in greater losses in the voltage components result. In addition, special arrangements would have to be made which the Switch off the excitation circuit at the right moment to avoid negative voltages. It therefore proves to be useful, as already stated in the main patent, to choose the counter voltage so large that it is just sufficient for the remanent Cancel the magnetism of the main generator. To still have a short de-excitation time to obtain, '- according to the invention, a field weakening resistor in the main excitation circuit switched on in a manner known per se.

Claims (1)

PATENTANSPRUCH: Anordnung zum vollständigen Entregen von elektrischen Stromerzeugern nach Patent 471899, dadurch gekennzeichnet, daß in den Erregerkreis des Hauptgenerators ein in an sich bekannter Weise zur Verkürzung der Entregungszeit dienender Feldschwächungswiderstand eingeschaltet ist.Claim: Arrangement for the complete de-energization of electrical power generators according to patent 471 899, characterized in that a field weakening resistor which is used in a manner known per se to shorten the de-energization time is switched into the excitation circuit of the main generator.
DEA48342D 1926-07-22 1926-07-22 Arrangement for complete de-energization of electrical power generators Expired DE485210C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEA48342D DE485210C (en) 1926-07-22 1926-07-22 Arrangement for complete de-energization of electrical power generators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA48342D DE485210C (en) 1926-07-22 1926-07-22 Arrangement for complete de-energization of electrical power generators

Publications (1)

Publication Number Publication Date
DE485210C true DE485210C (en) 1929-10-28

Family

ID=6936295

Family Applications (1)

Application Number Title Priority Date Filing Date
DEA48342D Expired DE485210C (en) 1926-07-22 1926-07-22 Arrangement for complete de-energization of electrical power generators

Country Status (1)

Country Link
DE (1) DE485210C (en)

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