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GOST 9920-89

M00031578

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The standard applies to electrical installations developed after 01.07.90, three-phase alternating current of 50 Hz voltage classes from 3 to 750 kV inclusive, climatic versions of U, CL and T, placement categories I according to GOST 15150 and establishes the length of the leakage path of external insulation of outdoor installations .

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A.c. electrical installations for voltage from 3 to 750 kV. Creepage distance of external insulationThe Product is Contained in the Following Classifiers:

Evidence base (TR CU, Technical Regulation of the Customs Union) » 002/2011 TR TS. On safety of high-speed rail » Regulations and standards (to TR CU 002/2011) »

Evidence base (TR CU, Technical Regulation of the Customs Union) » 003/2011 TR TS. On safety of railway infrastructure » Regulations and standards (for TR CU 003/2011) »

PromExpert » SECTION III. LABOR PROTECTION AND SAFETY » III Occupational safety requirements for production equipment and processes » 2 Safety requirements for certain types of work » 2.10 Operation of electrical installations, electrical equipment and power tools »

ISO classifier » 29 ELECTRICAL ENGINEERING » 29.020 Electrical engineering in general »

National standards » 29 ELECTRICAL ENGINEERING » 29.020 Electrical engineering in general »

ISO classifier » 29 ELECTRICAL ENGINEERING » 29.080 Insulation » 29.080.01 Electrical insulation in general »

National standards » 29 ELECTRICAL ENGINEERING » 29.080 Insulation » 29.080.01 Electrical insulation in general »

National Standards for KGS (State Standards Classification) » Latest edition » E Power and electrical equipment » E0 General rules and regulations for electrical and heat engineering » E02 Norms of calculation and design »


As a Replacement Of:

GOST 28290-89: A.c. electrical installations for voltage from 3 to 750 kV. Creepage distance of external insulation

GOST 9920-75: Electrical AC equipment of voltage from 3 to 750 kV. Electrical installations for voltage from 3 to 750 kV

The Document References:

GOST 15150-69: Machines, instruments and other industrial products. Modifications for different climatic regions. Categories, operating, storage and transportation conditions as to environment climatic aspects influence

The Document is Referenced By:

GOST 11677-85: Power transformers

GOST 1232-2017: Insulators linear pin porcelain and glass for voltage from 1 to 35 kV. General technical conditions

GOST 14693-90: Unsealed metal-enclosed switchgear

GOST 1516.1-76: Electrical equipment for ac voltages of 3 to 500 kv

GOST 1516.3-96: Electrical equipment for a.c. voltages from 1 to 750 kV. Requirements for dielectric strength of insulation

GOST 15963-79: Electrical articles for tropical application. General technical requirements and methods of testing

GOST 16357-83: Nonlinear resistor-type arresters for standard ac voltage

GOST 18397-86: Ac high-voltage circuit breakers standard voltage 6-220 kv for frequent switching operations

GOST 1983-2001: Voltage transformers. General specifications

GOST 1983-2015: Voltage transformers. General specifications

GOST 20454-85: Ceramic through insulators of nominal voltage over 1000 V. Types, main parameters and dimensions

GOST 22229-83: Ceramic through insulators for voltage over 1000 V. General specifications

GOST 25073-81: Ceramic base outdoor insulators for voltage over 1000 B. Types, main parameters and dimensions

GOST 26093-84: Ceramic insulators. Test methods

GOST 26698.1-93: Rigs for blast-holes drilling in open-cast mining works

GOST 33431-2015: High-voltage boxes of passenger cars for locomotive traction and multiple units. General specifications

GOST 34433-2018: Trunk pipelines for oil and oil products transportation. Transformer complete substations with voltage from 35 to 220 kV. General specifications

GOST 689-90: Disconnectors and ground-wires for alternating current with voltage over 1 000 v

GOST 7746-2001: Current transformers. General specifications

GOST 7746-2015: Current transformers. General specifications

GOST 8608-79: Porcelain pin support insulators for voltage above 1000 V. General specifications

GOST 9984-85: Ceramic support insulators rated for voltage over 1000 v

GOST IEC 60044-1-2013: Instrument transformers. Part 1. Current transformers

GOST IEC 60143-2-2013: Series capacitors for power systems. Part 2. Protective equipment for series capacitor banks

GOST R 51203-98: Rod porcelain insulators for contact net of railways. General specifications

GOST R 52034-2003: Ceramic support insulators for voltage over 1000 V. General specifications

GOST R 52034-2008: Ceramic support insulators for voltage over 1000 V. General specifications

GOST R 52082-2003: Support polymeric outdoor insulators for voltage 6-220 kV. General specifications

GOST R 52565-2006: Alternating-current circuit-breakers for voltages from 3 to 750 kV. General specifications

GOST R 52719-2007: Power transformers. General specifications

GOST R 52726-2007: Alternating current disconnectors and earthling switches for voltage above 1 kV and operating mechanisms for them. General specifications

GOST R 53735.5-2009: Surge arresters without gaps and non-linear resistor type gapped surge arresters for a.c. electrical installations for voltages from 3 to 750 kV. Part 5. Selection and application recommendations

GOST R 54797-2011: Boxes high-voltage passenger cars for locomotive traction and multiple units. The general technical requirements

GOST R 54827-2011: Dry-type transformers. General specifications

GOST R 54828-2011: Gas-insulated metal-enclosed switchgear for nominal voltages above 110 kV. General technical specification

GOST R 55187-2012: Insulated bushings for alternating current rated voltages above 1000 V. Common specifications

GOST R 55189-2012: Line suspension polymeric rod insulators. General specifications

GOST R 55190-2012: Metal-enclosed switchgear for rated voltages up to and including 35 kV. General specifications

GOST R 55195-2012: Electrical equipment and installations for a.c. voltages from 1 up to 750 kV. Requirements for dielectric strength of insulation

GOST R 55607-2013: Electrical equipment (installations) for power supply systems of machines and devices In open-pit mining. General specifications

GOST R 55716-2013: High-voltage switchgear. General specifications

GOST R 55736-2013: Mining equipment. Machines for drilling blast holes in open mountain developments. General technical requirements and test methods

GOST R 55883-2013: Disconnections for railways traction network and operating mechanisms for them. General specifications

GOST R 56736-2015: Selection and dimensioning of high-voltage insulators intended for use in polluted conditions. Part 2. Ceramic and glass insulators for a.c. systems

GOST R 58018-2017: Interim composite polymeric supports for overhead power lines voltage 35-220 kV. General specifications

GOST R 58021-2017: Composite polymeric supports for overhead power lines of voltage 6-20 kV. General specifications

IM 14-24-2005: Electrotechnical Controls. Actuators, knife switches, disconnectors, push button switches (switches), push buttons, push buttons. Directory

NB ZhT TsE 032-2003: The certification system for the federal railway transport. Insulators for the contact network of railways. Safety standards

PNST 164-2016: Electric equipment for nuclear power plants. General technical requirements

PNST 283-2018: Measuring transformers. Part 1. Technical conditions for current transformers

RD 153-34.3-35.125-99: Guide to Protection of 6-1150 kV Electrical Circuits Against Lightning and Internal Overvoltages

SN 174-75: Instruction for industrial power supply design

SO 153-34.20.122-2006: Standards for technological design of AC substations with the highest voltage of 35-750 kV

SO 34.46.611-2005: Typical technological instruction. Repair of high-voltage inputs of voltage classes 35 kV and above

GOST 34452-2018: Disconnectors for the traction network of railways and their drives. General specifications

GOST IEC 61869-1-2015: Measuring transformers. Part 1. General requirements

GOST R 58786-2019: Electrical equipment for nuclear power plants. General technical requirements

PNST 319-2018: Measuring transformers. Part 3. Specifications for inductive voltage transformers

RD 153-34.0-35.301-02: Instructions for checking current transformers used in relay protection and measurement circuits

RD 34.35.514-85: Operating Instructions for Surge Protectors

RD EO 1.1.2.01.0713-2013: Provisions on acceptance and testing form conformity assessment for nuclear plants.