When to Measure Open Circuit Voltage

When to Measure Open Circuit Voltage, Total:61 items.

The international standard classification for "When to Measure Open Circuit Voltage" includes: Power stations in general .

The Chinese standard classification for "When to Measure Open Circuit Voltage" includes: , Control circuit apparatus , High voltage switchgear .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 18481-2001 Power quality--Temporary and transient overvoltages
GB/T 14048.21-2013 Low-voltage switchgear and controlgear—Part 5-9:Control circuit devices and switching elements—Flow rate switches
GB/T 4876-1985 Line-charging current switching tests for a. c. high voltage circuit-breaker

CZ-CSN

CSN 35 8745-1973 Semiconductor devices. Transistore. Measurement of open-circuit reverse voltage transfer ratio and tinie coefíicient at high frequencies
CSN 35 8757 Cast.11-1986 Transistors. Method for measurement of switching times
CSN 35 8745-1984 Transistors. Method of feedback circuit time constant measuring
CSN 35 8770-1970 Thyristors. Method of measurement on-state voltage

SCC

MIL MIL-PRF-8805/38H-2012 Switches, Push, Momentary, 4 Circuit, 4 Amperes or Low Level, Dusttight
MIL MIL-PRF-8805/20P-2019 Switches, Push, Momentary, 2 Circuit, Unsealed and Sealed
MIL MIL-PRF-8805/20N-2008 Switches, Push, Momentary, 2 Circuit, Unsealed and Sealed
MIL MIL-PRF-8805/99J-2019 SWITCHES, PUSH, 2 CIRCUIT AND DPDT, ALTERNATE AND MEMENTARY ACTON, 2 AMPERES, SPLASHPROOF
MIL MIL-PRF-8805/38G-2004 SWITCHES, PUSH, MOMENTARY, 4 CIRCUIT, 4 AMPERES OR LOW LEVEL, DUSTTIGHT (SUPERSEDING MIL-PRF-8805/38F)
MIL MIL-PRF-8805/15H-2019 SWITCHES, SENSITIVE-MOMENTARY, 4 CIRCUIT, 15 AMEPRES, UNSEALED
MIL MIL-PRF-8805/25F-2004 SWITCHES, PUSH, MOMENTARY, 2 CIRCUIT, UNSEALED AND SEALED (SUPERSEDING MIL-PRF-8805/25E)
MIL MIL-PRF-8805/20M-2005 SWITCHES, PUSH, MOMENTARY, 2 CIRCUIT, UNSEALED AND SEALED (SUPERSEDING MIL-PRF-8805/20L)
MIL MIL-PRF-8805/7H-2006 SWITCHES, PUSH, MOMENTARY, 2 CIRCUIT OR SPST (10 AMPERES), UNSEALED(SUPERSEDING MIL-PRF-8805/7G)
MIL MIL-S-22885/8J-2010 Switch, Push Button, Illuminated, Momentary and Push-Pull, 2-Circuit, 5 Amperes
MIL MIL-PRF-8805/77J-2019 SWITCHES, SENSITIVE, MOMENTARY, 4 CIRCUIT OR DPDT (10 AMPERES), UNSEALED

YU-JUS

JUS N.K3.120-1980 High voltage alternating current circuit breakers. Rules to the testing of circuit-breakers with respect to out-of-phase svvitching

RU-GOST R

GOST 24613.14-1977 Optoelectronic integrated microcircuits. Method for measuring consumption currents of low and high levels of logic signal switches
GOST 23089.14-1988 Integrated microcircuits. Methods for measuring delay time of the switching on/off the voltage comparators
GOST 23089.6-1983 Integrated circuits. Method of measuring the operational amplifiers output voltage settling time
GOST 27648-1988 Veriable resistors. Low voltage method of testing of moveable contact intermediate resistance
GOST 24613.15-1977 Optoelectronic integrated microcircuits. Method for measuring consumption carrent of switching and its duration of logic signal switches
GOST 24613.9-1983 Optoelectronic integrated microcircuits and optocouplers. Method for measuring switching times
GOST IEC 61038-2011 Electricity metering. Tariff and load control. Particular requirements for time switches
GOST 19138.3-1985 Triode thyristors. Method for measuring turn-off time
GOST 23089.10-1983 Integrated circuits. Method of measuring the operational amplifiers output voltage maximum build-up rate and time

International Telecommunication Union (ITU)

ITU-T O.81 FRENCH-1988 Group-delay measuring equipment for telephone-type circuits
ITU-T O.81-1988 Group-delay measuring equipment for telephone-type circuits

AENOR

UNE 20866:1995 IN GUIDE ON METHODS OF MEASUREMENT OF SHORT DURATION TRANSIENTS ON LOW VOLTAGE POWER AND SIGNAL LINES.

National Electrical Manufacturers Association（NEMA)

NEMA C37.51A-2010 For Switchgear - Metal-Enclosed Low-Voltage AC Power Circuit Breaker Switchgear Assemblies-Conformance Test Procedures Amendment 1: Short-Time Withstand Current Tests (Amendment 1 to C37.51)
NEMA SG 10-2008 Guide to OSHA and NFPA 70E Safety Requirements When Servicing and Maintaining Medium-Voltage Switchgear and Circuit Breakers Rated above 1000 Volts

International Electrotechnical Commission (IEC)

IEC 61038:1998 Electricity metering - Tariff and load control - Particular requirements for time switches
IEC TR 60279:1969 Measurement of the winding resistance of an a.c. machine during operation at alternating voltage

GOST

GOST R 59864.2-2022 Automobile roads of general use. Roadbed. Methods for measuring geometric parameters

PL-PKN

PN T01504-25-1989 Transistors Measurement of time-constant Km, ? Cc of feedback circuit
PN T01504-60-1987 Diodes Measuring methods Instant and peak forward recovery voltages Ufr, Ufrm and forward recovery time tfr

Korean Agency for Technology and Standards (KATS)

KS C 8304-1985 Enclosed Switches for Low Voltage Circuits (AC 600V and below)
KS C 8304-1990 Enclosed Switches for Low Voltage Circuits (AC 600V and below)
KS C 0272-1995(2000) ELECTROMAGNETIC COMPATIBILITY-TESTING AND MEASURMENT TECHNIQUES-VOLTAGE DIPS, SHORT INTERRUPTIONS AND VOLTAGE VARIATIONS IMMUNITY TEST
KS M 3034-1980(2011) Test methods for electrical resistivity of conductive plastics

British Standards Institution (BSI)

BS IEC 62271-37-082:2012 High-voltage switchgear and controlgear. Standard practice for the measurement of sound pressure levels on alternating current circuit-breakers
BS IEC/IEEE 62271-37-082:2012 High-voltage switchgear and controlgear. Standard practice for the measurement of sound pressure levels on alternating current circuit-breakers

Defense Logistics Agency

DLA MIL-PRF-8805/25 F VALID NOTICE 1-2011 Switches, Push, Momentary, 2 Circuit, Unsealed and Sealed
DLA MIL-PRF-8805/38 H-2012 SWITCHES, PUSH, MOMENTARY, 4 CIRCUIT, 4 AMPERES OR LOW LEVEL, DUSTTIGHT
DLA MIL-PRF-8805/7 H VALID NOTICE 1-2011 Switches, Push, Momentary, 2 Circuit or SPST (10 Amperes), Unsealed

Standard Association of Australia （SAA）

AS/NZS IEC 60947.5.9:2015 Low voltage switchgear and control equipmentControl circuit equipment and switching elementsFlow switches

PT-IPQ

NP 2868/1-1985 High voltage equipment. Switch type. Part 1: For switches with voltages above 1kV and below 52kV

ZA-SANS

SANS 60947-5-9:2007 Low-voltage switchgear and controlgear Part 5-9: Control circuit devices and switching elements - Flow rate switches

American National Standards Institute （ANSI)

ANSI/IEEE C37.20.1a:2005 Standard for Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear - Amendment 1: Short-Time and Short-Circuit Withstand Current Tests; Minimum Areas for Multiple Cable Connections

U.S. Military Regulations and Norms

ARMY MIL-C-48469 B-1981 CIRCUIT CARD ASSEMBLY 11732344 SWITCHING REGULATOR
ARMY MIL-C-48469 B NOTICE 2-1996 CIRCUIT CARD ASSEMBLY 11732344 SWITCHING REGULATOR
ARMY MIL-C-48469 B VALID NOTICE 1-1987 CIRCUIT CARD ASSEMBLY 11732344 SWITCHING REGULATOR
ARMY MIL-C-48469 B VALID NOTICE 3-2013 Circuit Card Assembly 11732344 Switching Regulator
ARMY MIL-C-48469 B (1)-1998 CIRCUIT CARD ASSEMBLY 11732344 SWITCHING REGULATOR

Institute of Electrical and Electronics Engineers (IEEE)

IEEE Std C37.20.1a-2005 Metal-enclosed low-voltage power circuit breaker switchgear - Amendment 1: Short-time and short-circuit withstand current tests - Minimum areas for multiple cable connections
IEEE Std C37.20.1A-2005(R2007) IEEE Standard for Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear Amendment 1: Short-Time and Short- Circuit Withstand Current Tests— Minimum Areas for Multiple Cable Connections

German Institute for Standardization

DIN EN 62054-21:2005 Electricity metering (a.c.) - Tariff and load control - Part 21: Particular requirements for time switches (IEC 62054-21:2004); German version EN 62054-21:2004

Danish Standards Foundation

DS/ISO 3662:1989 Hydraulic fluid power. Pumps and motors. Geometric displacements

Association Francaise de Normalisation

NF EN 60947-5-9:2008 Low voltage switchgear - Part 5-9: devices and switching elements for control circuit - Flow sensors

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