GB/T 17467-2020High-voltage/low-voltage prefabricated substation (English PDF)

National Standard of the People's Republic of China

ICS

29.240.10

Classification

K 43

Issued by: State Administration for Market Regulation, China National Standardization Administration

Contents

• Foreword
• Introduction
• 1 Scope
• 2 Normative references
• 3 Terms and definitions
• 4 Normal and special conditions of use
• 4.1 Overview
• 4.2 Normal operating conditions
• 4.3 Special conditions of use
• 5 Rating
• 5.1 Overview
• 5.2 Rated voltage
• 5.3 Rated insulation level
• 5.4 Rated frequency (fr)
• 5.5 Rated current and temperature rise
• 5.6 Rated short-time withstand current (Ik, Ike, Icw)
• 5.7 Rated peak withstand current (Ip, Ipe, Ipk)
• 5.8 Rated short-circuit duration (tk, tke)
• 5.9 Rated power supply voltage (Ua) of closing and opening devices and auxiliary and control circuits
• 5.10 Rated power frequency of closing and opening devices and auxiliary and control circuits
• 5.11 Rated pressure of compressed gas source for controllable pressure system
• 5.12 Rated charge level for insulation and/or opening and closing
• 5.101 Rated maximum capacity and enclosure level
• 6 Design and structure
• 6.1 Overview
• 6.2 Requirements for liquids in switchgear and control equipment
• 6.3 Requirements for gas in switchgear and control equipment
• 6.4 Grounding of prefabricated substations
• 6.5 Auxiliary and control equipment
• 6.6 Power operation
• 6.7 Energy storage operation
• 6.8 Operations that do not rely on human power or power (non-locking operations)
• 6.9 Operation of the release
• 6.10 Low and high pressure blocking and monitoring devices
• 6.11 Nameplate
• 6.12 Interlocking devices
• 6.13 Position indication
• 6.14 Degree of protection provided by the enclosure
• 6.15 Creepage distance
• 6.16 Gas and vacuum seals
• 6.17 Liquid seal
• 6.18 Fire hazard (flammability)
• 6.19 Electromagnetic compatibility (EMC)
• 6.20 X-ray
• 6.21 Corrosion
• 6.101 Protection of mechanical stress from prefabricated substations
• 6.102 Environmental protection due to internal defects
• 6.103 Internal arc fault
• 6.104 Shell
• 6.105 Other provisions
• 6.106 Acoustic emission
• 6.107 Electromagnetic field
• 7 Type test
• 7.1 General
• 7.2 Insulation test
• 7.3 Radio interference voltage (riv) test
• 7.4 Measurement of loop resistance
• 7.5 Temperature rise test
• 7.6 Short-term withstand current and peak withstand current test
• 7.7 Verification of Protection Level
• 7.8 Sealing test
• 7.9 Electromagnetic Compatibility Test (EMC)
• 7.10 Additional tests for auxiliary and control circuits
• 7.11 X-ray test procedure for vacuum interrupter
• 7.101 Tests or calculations to verify the mechanical stress resistance of prefabricated substations
• 7.102 Internal arc fault test
• 7.103 Measurement or calculation of electromagnetic fields
• 7.104 Functional test to verify satisfactory operation
• 8 Factory test
• 8.1 Overview
• 8.101 Insulation test of high-voltage connecting line
• 8.102 Insulation test of low-voltage connecting line
• 8.103 Insulation test of auxiliary and control circuits
• 8.104 Functional test to verify satisfactory operation
• 8.105 Wiring correctness check
• 8.106 Test after on-site assembly
• 8.107 Ground continuity test
• 9 Guidelines for the selection of prefabricated substations
• 9.1 Overview
• 9.101 General
• 9.102 Selection of rating
• 9.103 Shell level selection
• 9.104 Internal arc fault
• 9.105 Summary of technical requirements
• 10 Information provided when inquiring, bidding and ordering
• 10.1 Overview
• 10.2 Information provided when inquiring and ordering