GB/T 999-1988
AbolishedVoltage ratings of D.C electric traction system
直流电力牵引额定电压
Application Summary AI generated
This standard specifies the nominal voltage levels for DC electric traction systems, including railways, urban rail transit, and industrial electric locomotives. It ensures compatibility between power supply equipment, traction substations, and rolling stock by defining standard voltage ratings such as 600V, 750V, 1500V, and 3000V. The standard is applied in the design, manufacturing, and operation of DC traction power systems to maintain safety and interoperability.
Related Standards
GB/T 19271.1-2003
Protection against lightning electromagnetic impulse--Part 1: General principles
GB/T 4026-2004
Basic and safety principles for man-machine interface，marking and identification--Identification of equipment terminals and of terminations of certain designated conductors，including general rules for an alphanumeric system
GB/T 2900.33-2004
Electrotechnical terminology--Power electronics
GB/T 19529-2004
Structuration of technical information and documentation
GB/T 4728.5-2005
Graphical symbols for diagrams Part 5 Semiconductors and electron tubes
GB/T 19678-2005
Preparation of instructions-Structuring,content and presentation
GB/T 4728.1-2005
Graphical symbols for electrical diagrams Part 1:General information
GB/T 4728.2-2005
Graphical symbols for diagrams Part 2 Symbol elements,qualifying symbols and other symbols having general application
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.