direct current

direct current, Total:150 items.

The international standard classification for "direct current" includes: Other equipment related to power transmission and distribution networks , Motors , Industrial process measurement and control , Transformers. Reactors , Electrical and electronic testing , Measurement of electrical and magnetic quantities , Electrical equipment of ships and of marine structures , Wastes , Electricity. Magnetism. Electrical and magnetic measurements , Domestic electrical appliances in general , Components and accessories in general , Electric traction equipment , Electrical engineering in general .

The Chinese standard classification for "direct current" includes: Electric transmission and transformation equipment in general , DC machine , Industrial automation and control device in general , Transformer , AC/DC electrical instrument recording instrument , Other automation devices , Extensive magnitude and exchanger , Distribution equipment for reactor and nuclear power plant safety , Electric control devices and measurement equipment for vessel , Electric energy measurement and load control system , Environmental protection equipment , Power capacitor , Asynchronous machine , Electrical system and equipment , Electromagnetic Measurement , Relay and chopper , Other light industry machinery , Telecommunication power supply equipment , Fittings for overhead contact system , Electric power system .

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

GB/T 3927-1983 Direct-current potentiometers
GB/T 3928-2008 D．C．resistive volt ratio boxes
GB/T 1311-2008 Test procedure for direct current machines
GB/T 3927-2008 Direct-current potentiometers
GB/T 999-1988 Voltage ratings of D.C electric traction system
GB/T 26216.1-2010 DC current measuring device for HVDC transmission system—Part 1:Electronic DC current measuring device
GB/T 26217-2010 DC voltage measuring device for HVDC transmission system
GB/T 19899-2005 Binary direct voltage signals for process Measurement and control systems
GB/T 20840.14-2022 Instrument transformers―Part 14:Additional requirements for current transformers for DC applications
GB/T 33708-2017(英文版) Static meter for direct current energy
GB/T 26216.2-2010 DC current measuring device for HVDC transmission system—Part 2:Electromagnetic DC current measuring device
GB/T 3370-1989 Analogue direct voltage signals for industrial process measurement and control instruments
GB/T 3928-1983 D.C.resistive volt ratio boxes
GB/T 14546-1993 Criteria for the Design of Safety—Related DC Auxiliary Power Systems for Nuclear Power Plants
GB/T 3369-1989 Analogue direct current signals for industrial process measurement and control instruments

Professional Standard-Ships

CB/T 730-1977 YDZ-24 DC electric whistle
CB/T 4166-2011 DC whistle

Professional Standard - Machinery

JB/T 10056-1999 Technical Conditions for DC Current Transformer
JB/T 1271-2002 Specification for shaft forgings for A.C and D.C electric machinery
JB/T 9577-1999 Specification for the Z Series of Medium Size DC Motor
JB/T 1271-2014 Shaft Forgings for AC and DC Electric Machines - Technical Specification
JB/T 1271-1993 AC and DC motor shaft forging technical conditions
JB/T 8611-1997 DC potentiometer
JB/T 9297-1999 Electromechanic d. c. watt-hour meters
JB/T 11074-2011 HVDC current source power supply for electrostatic precipitator
JB/T 8168-1999 Pulse Capacitors and Direct Current Capacitors
JB/T 5276-2007 General specification for small-power D.C. motors
JB/T 9617-1999 Test Specifications of Interturn Insulation of Armature Winding for DC Electrical Machines

Professional Standard - Aviation

HB 6498-1991 Design requirements for aircraft DC power supply system

National Metrological Technical Specifications of the People's Republic of China

JJF 1462-2014 Calibration specification for DC (direct current) electronic load

国家能源局

NB/T 10606-2021 Code for Design of DC Auxiliary Power System for Hydropower Plants

National Metrological Verification Regulations of the People's Republic of China

JJG 982-2022 D.C. Resistance Boxes
JJG(电子) 18004-1989 HP4140B Picoampere Ammeter/DC Voltage Source Verification Regulations
JJG 842-2017 Electronic Meters for Measuring Direct-current Electrical Energy
JJG 1157-2018 Verification Regulation of DC Current Transformers
JJG 125-2004 Verification Regulation of D.C. Bridges
JJG 123-2004 Verification Regulation of D.C. potentiometers
JJG 1187-2022 Reference Meters for DC Electrical Energy
JJG 842-1993 DC Kilowatthour Meter
JJG 531-2003 The DC Resistive Volt Ratio Box
JJG 1156-2018 Verification Regulation of DC Voltage Transformers

Professional Standard - Electron

SJ 20365-1993 General specification for low voltage direct current power supply
SJ 51042/3-2002 Detail specification for model JQX-40M micro-miniature high power hermetically sealed d.c. electromagnetic relays

Taiwan Provincial Standard of the People's Republic of China

CNS 405-1957 Symbols of DC Machines
CNS 11894-1999 Direct current machines

Professional Standard - Railway

TB 1449-1982 Basic technical specifications of DC motors for locomotives
TB/T 1704-2001 The locomotive motor test methods DC motor

Professional Standard - Light Industry

QB/T 5262-2018 D.C. electric fans
QB/T 4288-2012 DC Electric Linear actuator

Professional Standard - Post and Telecommunication

YD/T 939-1997 DC Power distributing file cabinet for transfer equipment

Professional Standard - Electricity

DL/T 2183-2020 Test guide for transient behaviour of DC current transformers for DC transmission system
DL/T 2184-2020 Test guide for transient behaviour of DC voltage transformers for DC transmission system
DL/T 278-2012 Technical supervision rules for DC electronic current instrument transformer

国家铁路局

TB/T 2892-2018 DC power supply devices for electrification railway

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 26216.2-2019 DC current measuring device for HVDC transmission system—Part 2:Electromagnetic DC current measuring device
GB/T 40865-2021 Terminology for voltage source converter based high voltage direct current(VSC-HVDC) transmission
GB/T 26217-2019 DC voltage measuring device for HVDC transmission system
GB/T 26216.1-2019 DC current measuring device for HVDC transmission system—Part 1:Electronic DC current measuring device

Group Standards of the People's Republic of China

T/SZBX 006-2021 Handheld DC drilI
T/CPSS 1006-2022 Specifications for selective protection design of ship LVDC power system
T/QGCML 1263-2023 DC solenoid water valve
T/QGCML 1264-2023 DC solenoid valve

SCC

BS PD IEC TS 63471:2023 DC voltages for HVDC grids
MIL MIL-STD-202/303-2015 Method 303, DC Resistance

DIN-adopted IEC Standard

DIN IEC /TS 63471:2024 DC voltages for HVDC grids (IEC TS 63471:2023)

United States Navy

NAVY MIL-M-19249 A-1956 MOTOR GENERATORS, 300 KW DC TO AC, AC TO DC SUBMARINE SERVICE
NAVY MIL-M-19249 A NOTICE 1-1998 MOTOR GENERATORS, 300 KW DC TO AC, AC TO DC SUBMARINE SERVICE
NAVY MIL-P-28943 (2)-1974 POWER SUPPLY: DIRECT CURRENT
NAVY MIL-P-28943-1970 POWER SUPPLY: DIRECT CURRENT
NAVY MIL-V-5622 A NOTICE 1-1996 VOLT-AMMETER: DUAL POINTER DIRECT CURRENT
NAVY MIL-V-5622 A-1963 VOLT-AMMETER: DUAL POINTER DIRECT CURRENT
NAVY MIL-R-28925 A-1972 RELAY ASSEMBLY: DIRECT CURRENT

Danish Standards Foundation

DS/EN 60523:1996 Direct-current potentiometers
DS/EN 60523/A2:1998 Direct-current potentiometers
DS/IEC 485:1981 Digital electronic d.c. voltmeters and d.c. electronic analogue-to-digital convertors
DS/EN 60477+A1:1998 Laboratory d.c. resistors
DS/EN 60524+A2:1998 Direct-current resistive volt ratio boxes

Spanish Association for Standardization (UNE)

UNE-EN 60523/A2:1999 DIRECT-CURRENT POTENTIOMETERS
UNE-EN 60523:1996 DIRECT-CURRENT POTENTIOMETERS.
UNE-EN 60477:1999 LABORATORY D.C. RESISTORS
UNE-EN 60477/A1:1999 LABORATORY D.C. RESISTORS
UNE-EN 60524/A2:1999 DIRECT-CURRENT RESISTIVE VOLT RATIO BOXES
UNE-EN 60524:1996 DIRECT-CURRENT RESISTIVE VOLT RATIO BOXES.

Korean Agency for Technology and Standards (KATS)

KS C IEC 60523-2013(2018) Direct-current potentiometers
KS C IEC 60523-2023 Direct-current potentiometers
KS C IEC 60523:2013 Direct-current potentiometers
KS C 4532-2006(2021) DC solenoids for general purpose
KS C 4532-2021 DC solenoids for general purpose
KS C IEC 60564-2013(2018) D.C. bridges for measuring resistance
KS C IEC 60524-2023 Direct-current resistive volt ratio boxes

Association Francaise de Normalisation

NF C42-163/A2*NF EN 60523/A2:1998 Direct-current potentiometers
NF EN 60523/A2:1998 Potentiomètres à courant continu
NF EN 60523:1993 Potentiomètres à courant continu
NF C42-163*NF EN 60523:1993 Direct-current potentiometers.
NF L58-351:1971 Standard direct current contactors.
NF C42-160*NF EN 60477:1998 Laboratory d.c. resistors.

KR-KS

KS C IEC 60523-2013(2023) Direct-current potentiometers
KS C IEC 60524-2013(2023) Direct-current resistive volt ratio boxes

GSO

OS GSO IEC 60523:2002 Direct-current potentiometers
GSO IEC 60523:2002 Direct-current potentiometers
GSO IEC 60477:2015 Laboratory d.c. resistors

BE-NBN

NBN-EN 60523-1994 Direct-current potentiometers

British Standards Institution (BSI)

BS EN 60523:1993 Direct-current potentiometers
BS EN 60523:1980 Direct-current potentiometers
PD IEC/TS 61936-2:2015 Power installations exceeding 1 kV a.c. and 1,5 kV d.c.. d.c.
BS EN 60524:1979 Direct-current resistive volt ratio boxes
PD IEC TS 63471:2023 DC voltages for HVDC grids
BS 5704:1979 Method for specifying the performance of digital electronic d. c. voltmeters and d.c. electronic analogue-to-digital convertors
BS EN 60524:1993 Direct-current resistive volt ratio boxes

German Institute for Standardization

DIN EN 60523:1994 Direct-current potentiometers (IEC 60523:1975 + A1:1979 + Corrigendum 1980); German version EN 60523:1993

BR-ABNT

ABNT P-EB-254-1969 DC machine
ABNT P-MB-460-1969 DC equipment

RU-GOST R

GOST IEC 60523-2014 Direct-current potentiometers
GOST 18986.3-1973 Semiconductor diodes. Method of measuring of direct forward voltage and direct forward current

HU-MSZT

MSZ KGST 2416-1977 DC potentiometer
MNOSZ 4-1953 Railway DC voltage

International Electrotechnical Commission (IEC)

IEC 60485:1974 Digital electronic d.c. voltmeters and d.c. electronic analogue-to-digital converters
IEC TS 61936-2:2015 Power installations exceeding 1 kV a.c. and 1,5 kV d.c. - Part 2: d.c.
IEC 60523/AMD1/COR1:1980 Direct-current potentiometers
IEC 60523:1975 Direct-current potentiometers
IEC TS 63471:2023 DC voltages for HVDC grids

European Committee for Standardization (CEN)

HD 613 S1-1992 Direct-current potentiometers (IEC 523:1975 + A1:1979 + corrigendum 1980)
prEN 60523-1992 Direct-current potentiometers (IEC 523:1975 + A1:1979)
HD 614 S1-1992 Direct-current resistive volt ratio boxes (IEC 524:1975 + A1:1981)
prEN 60524-1992 Direct-current resistive volt ratio boxes (IEC 524:1975 + A1:1981)

CZ-CSN

CSN 35 0031-1984 Rating plates for DC machines

Defense Logistics Agency

DLA SMD-5962-96659 REV A-2005 MICROCIRCUIT, HYBRID, LINEAR, 8 VOLT, SINGLE CHANNEL, DC/DC CONVERTER
DLA SMD-5962-94723 REV A-2004 MICROCIRCUIT, HYBRID, LINEAR, 15 VOLT, SINGLE CHANNEL, DC/DC CONVERTER
DLA SMD-5962-96501 REV B-2005 MICROCIRCUIT, HYBRID, LINEAR, 25 VOLT, SINGLE CHANNEL, DC/DC CONVERTER
DLA SMD-5962-94721 REV A-2004 MICROCIRCUIT, HYBRID, LINEAR, 5 VOLT, SINGLE CHANNEL, DC/DC CONVERTER
DLA SMD-5962-95698 REV C-2004 MICROCIRCUIT, HYBRID, LINEAR, 15-VOLT, SINGLE CHANNEL, DC-DC CONVERTER
DLA SMD-5962-95796 REV A-2004 MICROCIRCUIT, HYBRID, LINEAR, 12 VOLT, DUAL CHANNEL, DC/DC CONVERTER
DLA SMD-5962-95696 REV C-2004 MICROCIRCUIT, HYBRID, LINEAR, 5-VOLT, SINGLE CHANNEL, DC-DC CONVERTER
DLA SMD-5962-94753 REV A-2004 MICROCIRCUIT, HYBRID, LINEAR, 12 VOLT, SINGLE CHANNEL, DC/DC CONVERTER
DLA SMD-5962-95697 REV C-2004 MICROCIRCUIT, HYBRID, LINEAR, 12-VOLT, SINGLE CHANNEL, DC-DC CONVERTER
DLA SMD-5962-95795 REV A-2004 MICROCIRCUIT, HYBRID, LINEAR, 5 VOLT, DUAL CHANNEL, DC/DC CONVERTER
DLA SMD-5962-95501 REV B-2005 MICROCIRCUIT, HYBRID, LINEAR, 5 VOLT, DUAL CHANNEL, DC/DC CONVERTER
DLA SMD-5962-95703 REV C-2004 MICROCIRCUIT, HYBRID, LINEAR, PLUS/MINUS 12 VOLT, DUAL CHANNEL, DC/DC CONVERTER
DLA SMD-5962-95502 REV B-2005 MICROCIRCUIT, HYBRID, LINEAR, 18.2 VOLT, DUAL CHANNEL, DC/DC CONVERTER
DLA SMD-5962-95704 REV C-2004 MICROCIRCUIT, HYBRID, LINEAR, PLUS/MINUS 15 VOLT, DUAL CHANNEL, DC/DC CONVERTER
DLA SMD-5962-94722 REV A-2004 MICROCIRCUIT, HYBRID, LINEAR, 12 VOLT, SINGLE CHANNEL, DC/DC CONVERTER
DLA SMD-5962-94772-1995 MICROCIRCUIT, LINEAR, 5 VOLT, SINGLE CHANNEL, DC/DC CONVERTER, HYBRID
DLA SMD-5962-95702 REV C-2004 MICROCIRCUIT, HYBRID, LINEAR, PLUS/MINUS 5 VOLT, DUAL CHANNEL, DC/DC CONVERTER
DLA SMD-5962-94724 REV A-2004 MICROCIRCUIT, HYBRID, LINEAR, 15 VOLT, DUAL CHANNEL, DC/DC CONVERTER

SE-SIS

SIS SEN 26 01 11-1965 Electncal macbines D. C. machines

IN-BIS

IS 8573-1977 Specification for digital electronic dc voltmeters and dc electronic analog-to-digital converters
IS 1765-1980 DC Potentiometer Specifications

Institute of Electrical and Electronics Engineers (IEEE)

IEC/IEEE 65700-19-03:2014 Bushings for DC application

IEC - International Electrotechnical Commission

IEC 60523/COR1:1980 Direct-current potentiometers (Edition 1.0)

Indonesia Standards

SNI 04-3887-1995 Direct current bridges for measuring resistance

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