FR2241911A1 - Control circuit for two parallel inverters - has control signals obtained from ring counters and phase-shifted w.r.t. synchronizing signal - Google Patents

Control circuit for two parallel inverters - has control signals obtained from ring counters and phase-shifted w.r.t. synchronizing signal

Info

Publication number
FR2241911A1
FR2241911A1 FR7323740A FR7323740A FR2241911A1 FR 2241911 A1 FR2241911 A1 FR 2241911A1 FR 7323740 A FR7323740 A FR 7323740A FR 7323740 A FR7323740 A FR 7323740A FR 2241911 A1 FR2241911 A1 FR 2241911A1
Authority
FR
France
Prior art keywords
phase
control signals
inverter
control
shifted
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.)
Withdrawn
Application number
FR7323740A
Other languages
French (fr)
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Priority to FR7323740A priority Critical patent/FR2241911A1/en
Publication of FR2241911A1 publication Critical patent/FR2241911A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/497—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode sinusoidal output voltages being obtained by combination of several voltages being out of phase

Abstract

The control circuit for two parallel inverters feeding a common output transformer has the phase of one inverter synchronising signal shifted forward and the phase of the other synchronising signal shifted back by the same value. The points of intersection of the periodic sawtooth synchronising signal (Us) with an adjustable d.c. control voltage are determined, and the control signals for one inverter are derived in conjunction with a first point of intersection, whilst the control signals for the second one are derived from a second point. Each inverter has a ring counter (62, 63) controlling the thyristors and supplied from an addition circuit (60, 61) which adds together the outputs from two counters (53, 54 and 55, 56). Each counter counts the output from a frequency controlled HF oscillator (50) and is itself coupled to a common control unit.
FR7323740A 1973-06-28 1973-06-28 Control circuit for two parallel inverters - has control signals obtained from ring counters and phase-shifted w.r.t. synchronizing signal Withdrawn FR2241911A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7323740A FR2241911A1 (en) 1973-06-28 1973-06-28 Control circuit for two parallel inverters - has control signals obtained from ring counters and phase-shifted w.r.t. synchronizing signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7323740A FR2241911A1 (en) 1973-06-28 1973-06-28 Control circuit for two parallel inverters - has control signals obtained from ring counters and phase-shifted w.r.t. synchronizing signal

Publications (1)

Publication Number Publication Date
FR2241911A1 true FR2241911A1 (en) 1975-03-21

Family

ID=9121728

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7323740A Withdrawn FR2241911A1 (en) 1973-06-28 1973-06-28 Control circuit for two parallel inverters - has control signals obtained from ring counters and phase-shifted w.r.t. synchronizing signal

Country Status (1)

Country Link
FR (1) FR2241911A1 (en)

Similar Documents

Publication Publication Date Title
ES447823A1 (en) Apparatus for synchronizing AC-motors
GB1362849A (en) Static power conversion ciruit
GB1491899A (en) Signal generator arrangement
JPS55147077A (en) Synchronizing signal generator
SE7712799L (en) HORIZONTAL DEFAULT CIRCUIT WITH TIME CORRECTION
US3660766A (en) Sinusoidal waveform generator
ES396025A1 (en) Static power inverters
GB1447418A (en) Frequency synthesiser
FR2241911A1 (en) Control circuit for two parallel inverters - has control signals obtained from ring counters and phase-shifted w.r.t. synchronizing signal
ES326159A1 (en) Improvements in the construction of television receivers in colors. (Machine-translation by Google Translate, not legally binding)
US4489279A (en) Variable-frequency oscillator having a crystal oscillator
US2514023A (en) Voltage generator
JPS5787241A (en) Phase synchronizing circuit for optional frequency conversion
SU775855A1 (en) Single-channel device for control of m-phase converter
GB1166812A (en) Improvements in or relating to Static Inverters
SU458941A1 (en) Blocking generator
SU964984A1 (en) Digital frequency synthesizer
SU570161A1 (en) Device for phase control of thyristor
SU728208A1 (en) Device for phase controlling of thyristors
SU1160515A1 (en) Device for controlling inverter
SU127697A1 (en) The method of synchronization of the pulses of the frequency of the fields with the frequency of the mains supply in television synchronous generators
JPS55141869A (en) Phase synchronizing system
JPS5696581A (en) Generating circuit for vertical blanking signal and virtual vertical synchronizing signal
JPS5568742A (en) Phase lock oscillator circuit
SU372671A1 (en) DEVICE FOR THE FORMATION OF HIGHLY STABLE PHASOMANIPULATED VIBRATIONS

Legal Events

Date Code Title Description
ST Notification of lapse