共找到 277 条与 输变电设备综合 相关的标准,共 19 页
For industrial applications at low and high voltages. The measures are applicable to harmonic orders between 1 and 25.
Industrial a.c. networks affected by harmonics. Application of filters and shunt capacitors
Insulation co-ordination. Part 2 : application guide.
The document gives guidance to users of fully enclosed askarel-filled electrical equipment.
Code of practice for the safe use of fully enclosed askarel-filled electrical equipment; German version EN 50195:1996
The document gives guidance to users of fully enclosed electrical equipment which is designed to be filled with oil but which may have become contaminated with PCBs.
Code of practice for the safe use of fully enclosed oil-filled electrical equipment which may be contamined with PCBs; German version EN 50225:1996
Provides general guidelines for commissioning high-voltage direct-current (HVDC) converter stations and associated transmission systems. Applies to HVDC systems utilizing 6-pulse ot 12-pulse thyristor-valve converter units operated as a two-terminal HVDC transmission system or an HVDC back-to-back system.
Guide for Commissioning High-Voltage Direct-Current (HVDC) Converter Stations and Associated Transmission Systems
Public electrical power systems.
Design technique requlations for overhead distribution lines with insulated conductors
High-voltage/low-voltage prefabricated substations.
This amendment forms a part of Military Specification MIL-D-23523D(SH) dated 23 November 1987, and is approved for use by the Department of the Navy, and is available for use by all Departments and Agencies of the Department of Defense.
DEHYDRATOR, LOW PRESSURE AIR, FOR SPECIAL APPLICATIONS
OVERHEAD LINES. REQUIREMENTS AND TESTS FOR FITTINGS. (EUROPEAN STANDARD EN 61 284).
High-voltage alternating-current circuit-breakers.
The document deals with the requirements for the basic transmission functions and external characteristics of a cross connect equipment having 2048 kbit/s access ports and 64 kbit/s and n * 64 kbit/s cross connection levels.
Transmission and Multiplexing (TM) - Synchronous cross connect equipment 64 and n × 64 kbit/s cross connection rate, 2048 kbit/s access ports - Part 1: Core functions and characteristics; English version ETS 300010-1:1995
VOLTAGE CHARACTERISTICS OF ELECTRICITY SUPPLIED BY PUBLIC DISTRIBUTION SYSTEMS. (EUROPEAN STANDARD EN 50 160).
Gas-insulated metal-enclosed switchgear for rated voltages 72,5 kv and above. Requirements for switching of bus-charging currents by disconnectors.
Is applicable to complete systems, and to their components, used for the measurement of high voltages and currents during tests with direct voltage, alternating voltage, lightning and switching impulse voltages and for tests with impulse currents, or wit
High-voltage test techniques - Part 2: Measuring systems
Short-circuit currents. Calculation of effects. Part 1 : definitions and calculation methods.
This specification covers pneumatic, trolley type chain hoists with traverse drive, having extreme low headroom and zero load eccentricity; Hoists include a lifting unit, a traversing unit, and a pendant unit.
HOISTS, CHAIN, PNEUMATIC, LOW HEADROOM, TROLLEY TYPE
This amendment forms a part of Military Specification MIL-F- 22606C(SH), dated 22 August 1992 and is approved for use by the Naval Sea Systems Command ainsd available for useb y all Departments and Agencieosf the Department of Defense.
FLASK, COMPRESSED GAS, AND END PLUGS FOR AIR, OXYGEN, AND NITROGEN
Tests to prove protection against ingress of water and degrees of protection against ingress of solid objects for electrical equipment
This Standard outlines the principles and general practices of electrical protection applicable to overhead supply systems operating at more than 750 V but less than 50 kV phase to phase and communication systems, where the lines of those systems are located so that inadvertent electric contact between them could occur, resulting in a contact voltage not exceeding a limit agreed to by the communication and supply companies.
Recommended Practices for Electrical Protection - Electric Contact between Overhead Supply and Communication Lines General Instruction No 1
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