WO1986004425A1 - Voltmetre numerique pour mesurer la valeur effective d'une tension alternative - Google Patents

Voltmetre numerique pour mesurer la valeur effective d'une tension alternative Download PDF

Info

Publication number
WO1986004425A1
WO1986004425A1 PCT/SU1985/000008 SU8500008W WO8604425A1 WO 1986004425 A1 WO1986004425 A1 WO 1986004425A1 SU 8500008 W SU8500008 W SU 8500008W WO 8604425 A1 WO8604425 A1 WO 8604425A1
Authority
WO
WIPO (PCT)
Prior art keywords
voltage
πeρemennοgο
naπρyazheniya
ποdκlyuchen
κanala
Prior art date
Application number
PCT/SU1985/000008
Other languages
English (en)
French (fr)
Russian (ru)
Inventor
Viktor Viktorovich Litvikh
Valentin Ivanovich Gubar
Julian Mikhailovich Tuz
Viktor Ottovich Rupsky
Mikhail Dmitrievich Krotov
Matti Axelevich Seliste
Original Assignee
Kievsky Politekhnichesky Institut Imeni 50-Letia V
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 Kievsky Politekhnichesky Institut Imeni 50-Letia V filed Critical Kievsky Politekhnichesky Institut Imeni 50-Letia V
Priority to DE19853590720 priority Critical patent/DE3590720T1/de
Priority to GB08621310A priority patent/GB2180354B/en
Priority to PCT/SU1985/000008 priority patent/WO1986004425A1/ru
Priority to HU852172A priority patent/HU195010B/hu
Priority to CH3833/86A priority patent/CH669674A5/de
Publication of WO1986004425A1 publication Critical patent/WO1986004425A1/ru
Priority to FI863493A priority patent/FI863493A0/fi
Priority to SE8603650A priority patent/SE453538B/sv

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/255Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with counting of pulses during a period of time proportional to voltage or current, delivered by a pulse generator with fixed frequency

Definitions

  • the invention is not subject to voltage or voltage, and more to voltage.
  • E ⁇ e ⁇ ivnym s ⁇ eds ⁇ v ⁇ m d ⁇ s ⁇ izheniya vys ⁇ y ⁇ chn ⁇ s ⁇ i yavlyae ⁇ sya is ⁇ lz ⁇ vanie mul ⁇ i ⁇ li ⁇ a ⁇ ivya ⁇ y ⁇ e ⁇ tsii ⁇ e ⁇ itsien ⁇ a ⁇ e ⁇ b ⁇ az ⁇ vaniya tsi ⁇ v ⁇ g ⁇ v ⁇ l ⁇ me ⁇ a, ⁇ i ⁇ y with ⁇ m ⁇ schyu s ⁇ etsial- n ⁇ g ⁇ ⁇ es ⁇ v ⁇ g ⁇ na ⁇ yazheniya vychislyae ⁇ sya ⁇ e ⁇ i ⁇ uyuschzhy 15 ⁇ e ⁇ itsien ⁇ , ⁇ y za ⁇ em uchi ⁇ yvae ⁇ sya with ⁇ m ⁇ schy
  • the indicated voltmeter for the conversion of the conversion factor is carried out by transferring it to 30 input voltage of a given magnitude. This voltage is measured, and the corrected voltage is calculated, as the voltage rises due to the residual voltage resulting from the loss of voltage.
  • the factor is taken into account by multiplying the calculator by changing the voltage to the voltage of the ⁇
  • the voltage measuring device is connected to a series-connected voltage amplifier, a voltage converter and a voltage converter.
  • This direct current is therefore a direct voltage overvoltage switch.
  • the live voltage is supplied to the input of the digital voltmeter and the voltage is restored to constant voltage.
  • the internal calculator calculates the off-load factor as a constant voltage, from the constant-voltage - 3 - Live voltage is applied to a constant voltage, which is a result of a voltage overload.
  • the result of the measurement is
  • test site For the most part, the test site
  • a wide voltmeter of variable voltage is known, which is connected to measuring and test channels, each of which is connected to the investigative system.
  • the test voltage is a short-circuit with a variable voltage.
  • the transmission coefficient is not in error, but the error of this transmission coefficient is included in the result of the error.
  • a long electrical switch disconnects the voltage and voltage at the input of the specified voltage switch.
  • An electric switch has a fault that is incapable of a strong voltage amplifier.
  • the digital voltmeter of the effective value of the alternating voltage makes it possible to increase by more than two times the accuracy of the measurements.
  • FIG. I disclose a block diagram of digital technology
  • Amplifier output 7 alternating voltage through the first voltage divider 9 is connected to the input of the switch 2, in-
  • the output of the 4-phase converter is connected to the mains voltage when the mains voltage is switched on.
  • the pre-calculated calculator 17 also contains a converter 28 on time during the digital input, the output is disconnected from the output, the output is disconnected from the output 19
  • the digital voltmeter of the effective value of the alternating voltage works two ways in the following way.
  • the switch 2 and switches 2 and 6 are located in the "I" position, the key II will open.
  • the measured voltage ⁇ ⁇ through the switch 6 is connected to the input of the amplifier 7, the voltage is amplified and switched on to the voltage of 8
  • the voltage of the integrated DEA of the integrated amplifier 12 is equal to zero, which is a constant component of the output voltage of the amplifier 7, but also the input voltage is 5 volts.
  • ⁇ -- the one-factor amplification factor of the amplifier 7 is the variable voltage and the nominal is the power factor of the 8th voltage amplifier; 5 ⁇ - ⁇ " (partial) the fault of amplifier 7 and the multi-component fault of the device 8 are respectively.
  • test voltage ⁇ 0 ⁇ is equal to the measured voltage ⁇ _. with caution for the failure of the amplifier 7 voltages, ⁇
  • Payroll Agent 17 is implemented on the basis of a direct converter of the main voltage
  • ⁇ es ⁇ ' ⁇ ⁇ ⁇ 2 - Sled ⁇ va ⁇ elya ⁇ , in ⁇ e ⁇ val v ⁇ emeyai ⁇ tsi ⁇ naleya ⁇ e ⁇ - v ⁇ mu ⁇ e ⁇ i ⁇ uyuschemu ⁇ e ⁇ itsieya ⁇ u, ⁇ d- £ es ⁇ ⁇ ⁇ - ⁇ ⁇ ⁇ 01 Z ⁇ v ⁇ m ⁇ a ⁇ e in m ⁇ men ⁇ _z / ⁇ ig.2/ ⁇ signa- lu with bl ⁇ a 30 / ⁇ ig. ⁇ / u ⁇ avleyaiya ⁇ lyuch 21 zamy ⁇ ae ⁇ sya Ha v ⁇ emya g ⁇ ⁇ .
  • the intentional use of a digital voltmeter has an effective value of 35 times the voltage may be used if it is not used.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Leads Or Probes (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
PCT/SU1985/000008 1985-01-25 1985-01-25 Voltmetre numerique pour mesurer la valeur effective d'une tension alternative WO1986004425A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE19853590720 DE3590720T1 (enrdf_load_html_response) 1985-01-25 1985-01-25
GB08621310A GB2180354B (en) 1985-01-25 1985-01-25 Ac rms digital voltmeter
PCT/SU1985/000008 WO1986004425A1 (fr) 1985-01-25 1985-01-25 Voltmetre numerique pour mesurer la valeur effective d'une tension alternative
HU852172A HU195010B (en) 1985-01-25 1985-01-25 Digital apparatus for measuring r.m.s. value of alternating voltage
CH3833/86A CH669674A5 (enrdf_load_html_response) 1985-01-25 1986-01-25
FI863493A FI863493A0 (fi) 1985-01-25 1986-08-28 Digital rms-vaexelspaenningsvoltmaetare.
SE8603650A SE453538B (sv) 1985-01-25 1986-08-29 Digitalvoltmeter for metning av en vexelspennings effektivverde

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SU1985/000008 WO1986004425A1 (fr) 1985-01-25 1985-01-25 Voltmetre numerique pour mesurer la valeur effective d'une tension alternative

Publications (1)

Publication Number Publication Date
WO1986004425A1 true WO1986004425A1 (fr) 1986-07-31

Family

ID=21616888

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SU1985/000008 WO1986004425A1 (fr) 1985-01-25 1985-01-25 Voltmetre numerique pour mesurer la valeur effective d'une tension alternative

Country Status (7)

Country Link
CH (1) CH669674A5 (enrdf_load_html_response)
DE (1) DE3590720T1 (enrdf_load_html_response)
FI (1) FI863493A0 (enrdf_load_html_response)
GB (1) GB2180354B (enrdf_load_html_response)
HU (1) HU195010B (enrdf_load_html_response)
SE (1) SE453538B (enrdf_load_html_response)
WO (1) WO1986004425A1 (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106707012A (zh) * 2017-01-19 2017-05-24 深圳市泛海三江电子股份有限公司 交流信号采集电路

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2263321C1 (ru) * 2004-06-29 2005-10-27 Федеральное государственное унитарное предприятие "Российский Федеральный ядерный центр-Всероссийский научно-исследовательский институт экспериментальной физики"-ФГУП "РФЯЦ-ВНИИЭФ" Преобразователь напряжения в интервал времени

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2080728A3 (enrdf_load_html_response) * 1970-02-24 1971-11-19 United Systems Corp
GB1481257A (en) * 1974-09-18 1977-07-27 Broken Hill Pty Co Ltd Signal processing circuit
GB1524802A (en) * 1976-04-07 1978-09-13 Endress Hauser Gmbh Co Circuit arragement for linearising the output signal of a test sensor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3143669C2 (de) * 1981-11-04 1983-09-22 Rohde & Schwarz GmbH & Co KG, 8000 München Schaltung zum Messen des Effektivwertes einer Wechselspannung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2080728A3 (enrdf_load_html_response) * 1970-02-24 1971-11-19 United Systems Corp
GB1481257A (en) * 1974-09-18 1977-07-27 Broken Hill Pty Co Ltd Signal processing circuit
GB1524802A (en) * 1976-04-07 1978-09-13 Endress Hauser Gmbh Co Circuit arragement for linearising the output signal of a test sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106707012A (zh) * 2017-01-19 2017-05-24 深圳市泛海三江电子股份有限公司 交流信号采集电路

Also Published As

Publication number Publication date
DE3590720T1 (enrdf_load_html_response) 1987-01-29
SE8603650L (sv) 1986-08-29
GB2180354B (en) 1988-09-28
HU195010B (en) 1988-03-28
FI863493A7 (fi) 1986-08-28
HUT41134A (en) 1987-03-30
SE8603650D0 (sv) 1986-08-29
GB2180354A (en) 1987-03-25
CH669674A5 (enrdf_load_html_response) 1989-03-31
SE453538B (sv) 1988-02-08
GB8621310D0 (en) 1986-10-15
FI863493A0 (fi) 1986-08-28

Similar Documents

Publication Publication Date Title
CA1218414A (en) Electronic watt/watthour meter with automatic error correction and high frequency digital output
CA1096942A (en) Power monitor
US4495463A (en) Electronic watt and/or watthour measuring circuit having active load terminated current sensor for sensing current and providing automatic zero-offset of current sensor DC offset error potentials
US4066960A (en) Electronic kilowatt-hour-meter with error correction
JPS6026463B2 (ja) 交流電力量計測回路
AU2012286930B2 (en) System for measuring current and method of making same
EP2115863A1 (en) Load current detection in electrical power converters
CA1092194A (en) Electronic kwh meter having virtual ground isolation
CA1186740A (en) Electronic watt and watthour meter having analog and digital outputs with automatic error correction
JP2661933B2 (ja) インバータの出力トランスの1次巻線を流れる電流の直流分の測定回路
CN113366325A (zh) 电表
US4804903A (en) System for measuring load current in an electronically controlled switch
WO1986004425A1 (fr) Voltmetre numerique pour mesurer la valeur effective d'une tension alternative
SU1737363A1 (ru) Способ измерени сопротивлени изол ции электрических сетей
RU2028634C1 (ru) Способ измерения сопротивления изоляции электрических сетей переменного тока со статическими преобразователями и устройство для его осуществления
US6584365B1 (en) Electronic trip device with offset correction means
SU785770A1 (ru) Устройство дл измерени тока
JP2994184B2 (ja) 単相三線式電子式電力量計
RU2196999C2 (ru) Способ контроля сопротивления изоляции и защиты сети постоянного тока от замыканий на землю в одной точке
SU1596257A1 (ru) Устройство дл измерени электрической энергии
RU2579529C1 (ru) Устройство управления тиристорами мостовой схемы прибора для проверки электросчётчиков
RU2039357C1 (ru) Счетчик электроэнергии
RU2042210C1 (ru) Устройство для контроля режимов работы оборудования
JP2893763B2 (ja) 電力トランスデューサ
FI93279B (fi) Staattinen kWh-mittari

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AT CH DE FI GB HU SE

WWE Wipo information: entry into national phase

Ref document number: 863493

Country of ref document: FI

ENP Entry into the national phase

Ref document number: 1985 9057

Country of ref document: AT

Date of ref document: 19860731

Kind code of ref document: A

RET De translation (de og part 6b)

Ref document number: 3590720

Country of ref document: DE

Date of ref document: 19870129

WWE Wipo information: entry into national phase

Ref document number: 3590720

Country of ref document: DE