Transformer Monitoring & Protection Unit (TMU)
What is RET670?
The RET670 Intelligent Electronic Device (IED), part of the Hitachi Energy Relion product family, is a cutting-edge protection solution for transformers and shunt reactors. Its versatile design allows for customization, catering to the diverse needs of power systems while ensuring high performance and efficiency.
NIKUM's Partnership with Hitachi Energy
Through this collaboration, NIKUM leverages Hitachi Energy’s advanced protection and automation solutions, including the RET670 Intelligent Electronic Device (IED). The RET670 offers comprehensive protection functions designed to ensure the reliable and efficient operation of transformers and shunt reactors, adapting to varying system conditions and configurations. Key features include:-
Differential Protection
Ensures efficient operation of transformers and reactors with rapid response.
CT Ratio Matching
Provides accurate CT ratio matching for effective protection.
Vector Group Compensation
Improves operational accuracy across different vector groups.
Frequency Range Compatibility
Handles system variations during disturbances and generator cycles.
Benefits of the RET670
It guarantees rapid and accurate protection for transformers and reactors.
Reduces installation complexity and costs by minimizing the need for additional equipment like interposing CTs.
The interlocking features prevent hazardous switchgear operations, safeguarding personnel and equipment.
Adheres to IEC 61850, ensuring that the device remains interoperable and future-proof.