DE1513368A1 - Device for controlling the gradient of the armature current - Google Patents
Device for controlling the gradient of the armature currentInfo
- Publication number
- DE1513368A1 DE1513368A1 DE19651513368 DE1513368A DE1513368A1 DE 1513368 A1 DE1513368 A1 DE 1513368A1 DE 19651513368 DE19651513368 DE 19651513368 DE 1513368 A DE1513368 A DE 1513368A DE 1513368 A1 DE1513368 A1 DE 1513368A1
- Authority
- DE
- Germany
- Prior art keywords
- armature current
- current
- rectifier
- gradient
- controlling
- 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.)
- Pending
Links
- 230000000694 effects Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
- H02P7/292—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using static converters, e.g. AC to DC
- H02P7/293—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using static converters, e.g. AC to DC using phase control
-
- 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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/40—Regulating or controlling the amount of current drawn or delivered by the motor for controlling the mechanical load
-
- 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
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
- H02P7/292—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using static converters, e.g. AC to DC
- H02P7/295—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using static converters, e.g. AC to DC of the kind having one thyristor or the like in series with the power supply and the motor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Direct Current Motors (AREA)
- Inverter Devices (AREA)
Description
Vorrichtung zur Steuerung des Gradienten des AnkerstromesDevice for controlling the gradient of the armature current
Die Erfindung bezieht sich auf eine Vorrichtung zur Steuerung des Gradienten des Ankerstromes großer Gleichstrommotoren gemäß DBP .... (Anmeldung M 62 171 VIIIb/21o vom 20.8.1964).The invention relates to a device for controlling the gradient of the armature current of large DC motors according to DBP .... (registration M 62 171 VIIIb / 21o of 08/20/1964).
Die Hauptanmeldung betrifft eine Vorrichtung zur Steuerung des Gradienten des Ankerstromes, insbesondere von großen Walzwerksmotoren, die an Gleiohrichter-WechselriohteranQrdnungtn angeschlossen sind, wobei ein Regelverstärker vorgeeeh·«. ifct, dem ein Bezugs-Stromsignal und ein vom Ankeretrom dee Motors abgeleitetes Signal zugeführt wird, wobei das Ausgangssignal des Eegelverstärkers wenigstens einem integrierenden Verstärker zugeführt wird, dessen Ausgangssignal die Zündung der Gleiohriohter-Weohselriohteranordnung steuert.The main application relates to a device for controlling the gradient of the armature current, in particular of large rolling mill motors, those to rectifier-changeover orders are connected, with a control amplifier provided. ifct, a reference current signal and one from the armature drive of the motor derived signal is supplied, the output signal of the level amplifier at least one integrating amplifier is supplied, the output signal of which is the ignition the Gleiohriohter-Weohselriohterordnung controls.
Bei Steuersystemen mit Gleiohrichter-Wechselrichttranordnungen ohne Kreisstrom ergeben sioh bei Betriebsdrthzahl und im Leerlauf Betriebezustände unterbrochener Stromleitung, )-OU1 (5)In the case of control systems with rectifier-inverter arrangements without circulating current, operating states of interrupted power line result at operating speed and idling,) -OU 1 (5)
909840/0547909840/0547
BAD ORIGINALBATH ORIGINAL
bei denen die Induktiv!tatawirkung des Ankerstrones wechselt und sich eine Änderung in der Stromversiärkungscharakteristik des Gleichrichters in Abhängigkeit vom Äasenvereehiebungswinkel seiner Zündimpulse ergibt. Sie übertragen sich durch eine Schwingung von einem Gleichrichter auf den anderen, so daß sich das System nicht mehr im optimalen Betriebszustand befindet, was durch Zusatζelemente verringert werden muß: Dies gilt insbesondere für eine anfängliche Einstellung der Zündimpulse auf 90° bei Spannung Hull; eine Zündeinsteilung in Sichtung auf 120° verbessert die Betriebsverhältnisse, gibt jedoch ein ungenaues indizielles Anspreohverhalten«in which the inductive action of the armature current changes and there is a change in the current amplification characteristic of the rectifier depending on the phase displacement angle of its ignition pulses results. They are transmitted by vibration from one rectifier to the other, like that that the system is no longer in optimal operating condition, which must be reduced by additional elements: This applies in particular to an initial setting of the ignition pulses to 90 ° with Hull voltage; an ignition timing in Sighting at 120 ° improves the operating conditions, there but an imprecise indicative response behavior "
Der Erfindung liegt daher die Aufgabe zugrunde, eine Vorrichtung gemäß dem Hauptpatent dahin weiterzuentwickeln, daß dieser bei Betrieb mit diskontinuierlicher Stromleitung auftretende Mangel vermieden ist. Erfindungsgemäß ist eine Vorrichtung zur linearisierung der Stromverstärkung des Gleichrichters duroh direkte Gegenreaktion vorgesehen. Sie Erfindung besteht im einzelnen darin, daß eine erste Schleife des vom Ankerstrom abgeleiteten Signales über wenigstens einen integrierenden Verstärker eine zweite Stromschleife des vom Ankeretrom abgeleiteten Signals steuert, die durch einen Proportionalverstärker gebildet wird, dessen Ausgangssignal die Zündung der Gleiohriohter-Vechselriohteranordnung steuert.The invention is therefore based on the object of further developing a device according to the main patent in such a way that this defect that occurs during operation with a discontinuous power line is avoided. According to the invention is a Device for linearizing the current gain of the rectifier duroh direct counterreaction provided. You invention is in detail that a first loop of the signal derived from the armature current via at least one integrating amplifier a second current loop of the vom Ankeretrom derived signal, which is formed by a proportional amplifier, whose output signal the ignition of the anti-friction diaphragm assembly controls.
Die Vorrichtung enthält einen Verstärker 7, dessen Betriebsfunktion gegenüber der Ausführung gemäß der HauptarmeldungThe device includes an amplifier 7, its operational function compared to the execution according to the main alarm message
909840/0547909840/0547
BAD GUlZlUAL BAD GUlZlUAL
modifiziert ist. Während der Verstärker 7 nach der Hauptanmeldung eine Proportional-Integral-Wirkung besitzt, weist er erfindungsgemäß lediglich eine Proportionalwirkung auf.is modified. While the amplifier 7 has a proportional-integral effect according to the main application, according to the invention, it only has a proportional effect.
In der Zeichnung zeigen die Fig. 1 und 2 die Kennlinien der Gleichrichter R.. und R2 einer Gleichrichter-Wechselrichteranordnung 2 der in Pig. 3 dargestellten Schaltungsanordnung in zwei anfänglichen Phaseneinatellungen. Pig. 3 zeigt ein vollständiges Schaltbild der erfindungsgemäß en Vorrichtung. JjIn the drawing, FIGS. 1 and 2 show the characteristics of the rectifiers R .. and R 2 of a rectifier-inverter arrangement 2 in Pig. 3 in two initial phase settings. Pig. 3 shows a complete circuit diagram of the device according to the invention. Yy
In den Fig. 1 und 2 ist als Ordinate die gleichgerichtete Spannung und als Abszisse die Steuerspannung e der Gleichrichter und der Phasenverschiebungswinkel oo der Gleichricnter-Zündimpulse aufgetragen.In FIGS. 1 and 2, the ordinate is the rectified Voltage and, as the abscissa, the control voltage e of the rectifier and the phase shift angle oo applied to the rectifier ignition pulses.
Fig. 1 zeigt die Kennlinie B des Gleichrichters R^ und die Kennlinie B1 des Gleichrichters R2» die bei Betrieb mit kontinuierlicher Stromleitung bei einem Zündphasenwinkel C>C» 90°, einer gleichgeriohteten Spannung Hull und einer Steuerspannung e_ = O in einer Linie liegen. Die Segmente A und A1 ™ stellen Zonen unterbrochener Stromleitung und die Punkte y und y1 die kritischen Stromwerte (Knickstellen der Kennlinie) dar. Bei einem Betriebspunkt η des Gleichrichters R1. (Betrieb als Gleichrichter mit geringem diskontiniierliohem Strom) entspricht dies dem Punkt nf dee Gleichrichters R2, der als Wechselrichter mit der S teuer spannung e.. arbeitet.Fig. 1 shows the characteristic curve B of the rectifier R ^ and the characteristic curve B 1 of the rectifier R 2 »that in operation with continuous power line at an ignition phase angle C> C» 90 °, a rectified voltage Hull and a control voltage e_ = O in a line lie. The segments A and A 1 ™ represent zones of interrupted current conduction and the points y and y 1 represent the critical current values (kinks in the characteristic curve). At an operating point η of the rectifier R 1 . (Operation as a rectifier with low discontinuous current) this corresponds to the point n f of the rectifier R 2 , which works as an inverter with the expensive voltage e ...
909840/0547909840/0547
Fig. 2 zeigt die gleichen Kennlinien, jedoch aufeinander ausgerichtet in den Bereichen diskontinuierlicher Stromleitung A, A1 für den Fall einer gleichgerichteten Spannung Null, bei einem Winkel (X ^ 120° für R1 und einem Winkel <^2= 70° für R2 sowie einer Steuerspannung eQ= 0.Fig. 2 shows the same characteristics, but aligned in the areas of discontinuous power line A, A 1 for the case of a rectified voltage zero, at an angle (X ^ 120 ° for R 1 and an angle <^ 2 = 70 ° for R 2 and a control voltage e Q = 0.
Die Zone Z zwischen y und y1 stellt den Steuerbereich bei geringer Verstärkung und diskontinuierlichem Betrieb darj die Gerade oo' ist die globale, linearisierte Kennlinie, die man mit der erfindungsgemäßen Vorrichtung erzielt.The zone Z between y and y 1 represents the control range with low amplification and discontinuous operation. The straight line oo 'is the global, linearized characteristic that is achieved with the device according to the invention.
Fig. 3 zeigt das vollständige Schaltbild mit der Vorrichtung zur Linearisierung.Fig. 3 shows the complete circuit diagram with the device for linearization.
Ein Verstärker 10 bewirkt die übliche Stromregelung. Er erhält das Signal des den Anker des Motors durchfließenden Stromes IS über einen Filter 11«, Die Filter 8 und 11 werden in Abhängigkeit von der Ankerinduktivität und der Frequenz des Speisenetzes gewählt und sind so angepaßt, daß man für beide Leitfähigkeitsbetriebsformen denselben Durchlaßbereich erzialt. !»lan kann daher bei beiden Leitfähigkeitsformen ein optimales Ansprecliverhalten erreichen.An amplifier 10 effects the usual current regulation. It receives the signal from the motor flowing through the armature Current IS through a filter 11 ″, the filters 8 and 11 are in Depending on the armature inductance and the frequency of the feed network are chosen and are adapted so that one for both Conductivity modes of operation produce the same transmission range. ! »Lan can therefore be a for both types of conductivity achieve optimal response behavior.
Die auf diese Weise modifizierte Einrichtung ist für Steuergleiohrichter geeignet, denen sie bei der Regelung ein optimales Ansprechverhalten verleiht. Die Schaltungsanordnung ist gleichfalls für Steuergleichrichter geeignet, die in Gegenparallel schal ivr,g in Gleichriohter-Wechselrichteranordnung ohne Kreisstrom geschaltet sind. Bei derartigen Steuergleichrichtern gewährleistet die erfindungsgemäße Schaltungsanordnung eiri einwandfreies Umschalten von einer Gleichriohtergruppe auf die andere ±m Auger blick der 3tromumkehr.The device modified in this way is suitable for control gauges, which it gives an optimal response behavior during regulation. The circuit arrangement is also suitable for control rectifiers which are connected in opposite parallel schal i vr, g in rectifier-inverter arrangement without circulating current. In such control rectifiers, the circuit arrangement according to the invention ensures perfect switching from one group of rectifiers to the other ± m view of the current reversal.
909840/054 7909840/054 7
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR993395A FR86791E (en) | 1964-10-30 | 1964-10-30 | Armature current gradient control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1513368A1 true DE1513368A1 (en) | 1969-10-02 |
Family
ID=8841516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19651513368 Pending DE1513368A1 (en) | 1964-10-30 | 1965-10-29 | Device for controlling the gradient of the armature current |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE671683A (en) |
| DE (1) | DE1513368A1 (en) |
| FR (1) | FR86791E (en) |
| GB (1) | GB1103199A (en) |
| LU (1) | LU49741A1 (en) |
| NL (1) | NL6513971A (en) |
-
1964
- 1964-10-30 FR FR993395A patent/FR86791E/en not_active Expired
-
1965
- 1965-10-28 NL NL6513971A patent/NL6513971A/xx unknown
- 1965-10-29 BE BE671683D patent/BE671683A/xx unknown
- 1965-10-29 DE DE19651513368 patent/DE1513368A1/en active Pending
- 1965-10-29 LU LU49741A patent/LU49741A1/xx unknown
- 1965-11-01 GB GB46250/65A patent/GB1103199A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR86791E (en) | 1966-04-08 |
| GB1103199A (en) | 1968-02-14 |
| NL6513971A (en) | 1966-05-02 |
| LU49741A1 (en) | 1965-12-29 |
| BE671683A (en) | 1966-02-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2542171A1 (en) | METHOD AND CIRCUIT FOR LINEAR AMPLIFICATION OF A SIGNAL | |
| DE1588947A1 (en) | Arrangement for speed control of a motor | |
| EP0178446A1 (en) | Semiconductor type chopper device | |
| DE3347511A1 (en) | AC MACHINE DRIVE SYSTEMS WITH RESONANCE CURRENT SUPPRESSION | |
| DE3717119C3 (en) | Method and device for regulating the braking resistance of a frequency converter | |
| DE2637270B1 (en) | Overload protection device | |
| DE1513368A1 (en) | Device for controlling the gradient of the armature current | |
| DE2912234C2 (en) | ||
| DE1613618C3 (en) | Three-phase generator with electronic components fed from a DC voltage source | |
| DE2019182A1 (en) | Power supply device, especially for arc welding | |
| DE2039090C3 (en) | Control arrangement for regulating the flow rate of a flowing medium | |
| DE3819097A1 (en) | Circuit arrangement for supplying a reluctance motor | |
| DE2010108A1 (en) | Device for regulating the current supplied to the working circuit of a commutating motor | |
| DE4337614A1 (en) | Differential-pressure control for a pump system | |
| DE2022358A1 (en) | Inverter with pre-charging circuit | |
| DE2340506A1 (en) | ADAPTIVE CURRENT REGULATOR | |
| DE1954599A1 (en) | Voltage regulator | |
| DE2344292C2 (en) | Arrangement for tracking of track-free vehicles | |
| DE1911960C (en) | High frequency cutoff filter | |
| DE3023404A1 (en) | MAGNETIC AMPLIFIER | |
| DE1109254B (en) | Arrangement for controlling or regulating the speed of a direct current shunt motor | |
| DD219346B1 (en) | CIRCUIT ARRANGEMENT FOR ADJUSTING THE LIMIT HOUSING IN AN EHK CONTROLLER WITH PI TRANSMISSION BEHAVIOR | |
| DE1287123B (en) | Magnetic element for logic circuits | |
| DE2908942A1 (en) | DEVICE FOR GENERATING AN ELECTRICAL TRIANGULAR VOLTAGE | |
| DE2405750C3 (en) | Adaptive current regulator |