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GOST 721-77

ГОСТ 721-77

Power supply systems, networks, sources,converters and receivers of electric energy. Rated voltages above 1000 V

Системы электроснабжения, сети, источники, преобразователи и приемники электрической энергии. Номинальные напряжения свыше 1000 В

Status: Effective - Supersedes. The limitation of the effectiveness period has been lifted: Decree of the State Standard No. 4696 dated 12.13.82

The standard applies to electrical networks of general purpose AC voltage of 50 Hz and to sources and receivers of electrical energy connected to them.

Стандарт распространяется на электрические сети общего назначения переменного напряжения частоты 50 Гц и на присоединяемые к ним источники и приемники электрической энергии.

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Format: Electronic (pdf/doc)

Approved: Gosstandart of the USSR, 5/27/1977

SKU: RUSS20571

Price: $168.00

English keywords: electrical engineering;


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The Product is Contained in the Following Classifiers:

Construction (Max) » Standards » Other state standards used in construction » 29 Electrical Engineering »

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

National standards » 29 ELECTRICAL ENGINEERING » 29.020 Electrical engineering 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 »

National Standards for OKSTU » ELECTRICAL EQUIPMENT AND MATERIALS » Transformers and transformer equipment, high-voltage equipment, power conversion equipment, power semiconductor devices, detectors of nuclear and neutron radiation, chemotronics (electrochemical information converters) »


The Document References:

GOST 6697-83: Power supply systems, sources, converters and receivers of electric alternating current energy rated frequencies from 0,1 to 10000 Hz and tolerances

GOST 721-74: Electric networks and the sources and receivers of electrical energy connected to them. Rated voltages

The Document is Referenced By:

GOST 11102-75: Acceptance and acting instruments and devices for diesel automation. Types, basic parameters and technical requirements

GOST 11677-85: Power transformers

GOST 12.4.006-74: Occupational safety standards system. Signals of pre-explosive concentrations, thermochemical. Technical requirements

GOST 12.4.155-85: Earth leakage circuit breakers

GOST 13109-97: Electric energy. Electromagnetic compatibility of technical equipment. Power quality limits in public electrical systems

GOST 14794-79: Concrete current-limiting

GOST 15542-79: Flame-proof mine power transformers. General specifications

GOST 17545-72: Three-phase power oil transformers of general purpose, voltage class 330 kV. Specification

GOST 17546-72: Three-phase power oil transformers of general purpose, voltage class 150 kV. Specification

GOST 18142-80: Electricity converters, static, semiconductor, ac to dc (rectifiers). General specifications

GOST 1983-2001: Voltage transformers. General specifications

GOST 1983-2015: Voltage transformers. General specifications

GOST 23366-78: Series of rated voltages of direct and alternating current

GOST 24607-88: Semiconductor frequency converters

GOST 25804.4-83: Atomic power station technological processes control system equipment. General design-constructional requirements

GOST 25953-83: Electric energy semiconductor converters of 5 kV·A power and above. Parameters

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

GOST 27306-87: Programmators for household electrical washing machines and dishwashers. General specification

GOST 28098-89: Hammer fodder breakers

GOST 28110-89: Equipment for the cheese grain production

GOST 28167-89: Semiconductor alternating voltage converters. General specifications

GOST 29322-92: Standard voltages

GOST 30533-97: General purpose adjustable d. c. drive systems. General technical requirements

GOST R 52719-2007: Power transformers. 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 56735-2015: Selection and dimensioning of high-voltage insulators intended for use in polluted conditions. Part 1. Definitions, information and general principles

GOST R 57817-2017: Underground gas storage. Design standards

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

GOST R 58874-2020: Ship power systems. Nominal voltages and frequencies

GOST R 70399-2022: Bird protection devices at electric power industry facilities. General technical conditions

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

PUE: Electrical Installation Rules (PUE). Chapter 1.1 General (Seventh Edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.2 Electricity supply and electrical networks (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.7 Grounding and Electrical Safety Precautions (Seven Edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.9 Insulation of electrical installations (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.6 Electric Welding Machines (Seven Edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.10. Electrolysis Plants and Plating Plants (Seventh Edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.8. Acceptance Test Standards (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 4.1. Switchgears up to 1 kV AC and up to 1.5 kV DC (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.1. General part (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.2. Electricity supply and electrical networks (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.3. Selection of conductors by heating, economic current density and by corona conditions (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.4. Selection of electrical devices and conductors for short circuit conditions (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.5. Electricity metering (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.6. Electrical Measurements (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.7. Grounding and Electrical Safety Precautions (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 2.1. Electrical Wiring (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 2.2. Busducts up to 35 kV (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 2.3. Cable lines with voltage up to 220 kV (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 2.4. Overhead power lines with voltage up to 1 kV (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 2.5. Overhead power lines with voltage above 1 kV (Beginning) (with Amendments and additions) (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 3.1. Protection of electrical networks with voltage up to 1 kV (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 3.2. Relay Protection (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 3.3. Automation and telemechanics (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 3.4. Secondary Circuits (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 4.2. Switchgears and substations with voltages above 1 kV (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 4.3. Converter substations and installations (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 4.4. Battery Units (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 5.1. Electrical machine rooms (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 5.2. Generators and Synchronous Compensators (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 5.3. Electric motors and their switching devices (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 5.4. Crane Electrical Equipment (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 5.5. Elevator Electrical Equipment (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 5.6. Condensing Units (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.1. General part (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.1. Electrical equipment of residential, public, administrative and domestic buildings (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.2. Interior lighting (seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.3. Outdoor lighting (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.4. Advertising Lighting (Seventh Edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.5. Lighting fixtures, installation devices (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.2. Electrical installations of entertainment enterprises, clubs and sports facilities (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.3. Electrical Installations in Hazardous Areas (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.4. Electrical Installations in Fire Hazardous Zones (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.5. Electrothermal Plants (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.6. Electric welding machines (sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.7. Peat electrical installations (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 2.5. Overhead power lines with voltages above 1 kV (End) (Sixth edition)

PUE: Electrical Installation Rules (PUE). Applications

PUE: Electrical Installation Rules (PUE). Chapter 6.6. Lighting devices and wiring devices (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.1. General part (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.2. Interior lighting (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.3. Outdoor Lighting (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.4. Advertising Lighting (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 6.5. Lighting fixtures, installation devices (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.1. Electrical Equipment for Residential and Public Buildings (Sixth Edition)

PUE: Electrical Installation Rules (PUE). Chapter 7.2. Electrical equipment for entertainment enterprises, clubs and sports facilities (Sixth edition)

PUE: Electrical Installation Rules (PUE). Chapter 2.4. Overhead power lines with voltage up to 1 kV (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 2.5. Overhead power lines with voltage above 1 kV (Seventh edition) (with Amendment)

PUE: Electrical Installation Rules (PUE). Chapter 4.1. Switchgears up to 1 kV AC and up to 1.5 kV DC (Seventh Edition)

PUE: Electrical Installation Rules (PUE). Chapter 4.2. Switchgears and substations with voltages above 1 kV (Seventh edition)

PUE: Electrical Installation Rules (PUE). Chapter 1.8. Acceptance test standards (Seventh edition)

RD 34.46.501: Guidelines for Operation of Transformers

RD 34.51.101-90: Guidelines for Selection of Insulation for Electrical Installations

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

SP 226.1326000.2014: Power supply of not traction consumers. Rules for design, construction and renovation

VRD 39-1.10-052-2001: Guidelines for the selection and use of asynchronous variable frequency drives up to 500 kW

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