What is BS EN 61800-7-4:2018?

BS EN 61800-7-4:2018 is a technical standard that provides guidelines and requirements for adjustable speed electrical power drive systems (PDS) used in industrial applications. It specifies the necessary features, capabilities, and performance criteria for these systems, ensuring their safe and efficient operation.

The Scope of BS EN 61800-7-4:2018

The scope of BS EN 61800-7-4:2018 covers adjustable speed PDS, which consist of power electronic converters, motors, motorized mechanical transmission devices, and control and monitoring devices. It applies to both low-voltage and medium-voltage systems, as well as single-drive and multi-drive systems.

The standard addresses various aspects related to adjustable speed PDS, including functional safety, mechanical integration, electrical compatibility, and electromagnetic compatibility. It ensures that these systems are designed, installed, operated, and maintained according to established international best practices, minimizing risks and improving overall performance and reliability.

Key Requirements and Guidelines

BS EN 61800-7-4:2018 outlines several key requirements and guidelines for adjustable speed PDS. These include:

Functional Safety: The standard defines the safety functions that must be implemented in the PDS to ensure protection against hazards. It specifies the necessary safety measures, such as emergency stop functionality and fault detection and identification.

Mechanical Integration: The standard provides guidelines for the mechanical integration of the PDS, including installation, mounting, ventilation, and cooling requirements. It aims to ensure proper mechanical integration for optimal performance and durability.

Electrical Compatibility: BS EN 61800-7-4:2018 addresses electrical compatibility between the PDS and other equipment present in the system. It provides guidelines for electrical connections, grounding, and insulation coordination to minimize electrical interferences and ensure safe operation.

Electromagnetic Compatibility (EMC): The standard specifies EMC requirements to ensure that the PDS does not interfere with other electrical or electronic equipment in its vicinity. It includes guidelines for controlling electromagnetic emissions and immunity to environmental disturbances.

Benefits of Implementing BS EN 61800-7-4:2018

Implementing BS EN 61800-7-4:2018 brings several benefits to industrial applications. It ensures the safety and reliability of adjustable speed PDS by providing clear guidelines and requirements. By adhering to this standard, companies can:

Enhance Operational Safety: The functional safety requirements outlined in the standard help prevent accidents and protect workers from harm.

Improve Performance: Following the guidelines for mechanical integration and electrical compatibility allows for optimal performance of the PDS, improving productivity and efficiency.

Reduce Downtime: By complying with the standard, companies minimize the risk of equipment failure and costly downtime, leading to increased overall system availability.

Foster Interoperability: BS EN 61800-7-4:2018 promotes interoperability among different manufacturers' equipment, ensuring seamless integration of various components within the power drive system.

In conclusion, BS EN 61800-7-4:2018 is a crucial technical standard for adjustable speed electrical power drive systems used in industrial applications. By following its guidelines and requirements related to functional safety, mechanical integration, electrical compatibility, and EMC, companies can improve the safety, performance, and reliability of their power drive systems.