T/EAMA 11-2022 Active Group standards

Technical Requirements for Universal Low-Voltage Frequency Converter Cabinets, T/EAMA 11-2022

T/EAMA 11-2022

Publish Date: 2022-12-27 Implement Date: 2022-12-27 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/EAMA 11-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Electrician

ICS Name: Low-voltage switchgear and controllers

Publish Date: 2022-12-27

Implement Date: 2022-12-27

Scope

Scope: This document specifies the system structure, usage conditions, functional requirements, EMC specifications, wiring technology, grounding technology, and enclosure structure of universal low-voltage frequency converter cabinets (hereinafter referred to as frequency converter cabinets). This document applies to the design, manufacture, installation, and operation and maintenance of universal medium- and low-voltage frequency converter cabinets with an input frequency of 50Hz, a rated input voltage of 380V or 660V, and an output voltage of 0–380V or 0–660V. Main technical contents: 3 Terminology and definitions 4 Usage conditions 4.1 Power supply conditions 4.2 Environmental conditions 4.3 Installation conditions 5 Composition 5.1 Composition of the drive system 5.2 General technical solutions 6 Functional requirements 6.1 Operating characteristics 6.2 Fault monitoring 6.3 Minimum status indication requirements 6.4 Protection requirements 6.5 Switching devices 6.6 Filtering devices 7 Structural requirements 7.1 Cabinet 7.2 Cooling and ventilation 7.3 Cabinet heater 7.4 Protection against electric shocks 7.5 Protection class of the cabinet 8 EMC-compliant installation layout 8.1 Operational reliability and anti-interference 8.2 Environment of use for low-voltage frequency converter cabinets 8.3 EMC partitioning scheme 8.4 Layout 8.5 Inverter installation 9 Wiring and connections 9.1 General requirements 9.2 Cable laying 9.3 Main circuit connection 9.4 Auxiliary circuit 9.5 External wiring 10 Electrical clearance and creepage distance 10.1 Electrical clearance and creepage distance 10.2 Dielectric strength 11 Grounding 11.1 Protective grounding 11.2 Rated value of the protective grounding conductor 11.3 Working grounding 12 Product information 12.1 Marking 12.2 Information to be provided with the equipment 13 Safety and warning signs 13.1 Warning signs 13.2 Safety and

Development Information

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