Скачать или смотреть Part 1: Fluke 1773 PQ Anaylzer | I40s El CT & PT Connection in MVSG(13.8KV) | LV Compartment

Welcome to our channel! In this video, we explain how I40s El Current Transformers (CTs) and Potential Transformers (PTs) are connected inside the LV compartment of a Medium Voltage (MV) switchgear panel.
Topics Covered:
What is an IS40 El CT?
Purpose of CTs and PTs in MV Switchgear
Step-by-step CT wiring in LV compartment
PT connection with MVSG with LV compartment
Practical tips from on-site experience
CT (Current Transformer) Connections:
Installed in LV compartment on core balance or busbars
Used for protection, metering, and relaying
Secondary wiring connected to protection relays
PT (Potential Transformer) Connections:
Connected to Medium Voltage switchgear with LV Compartment via drawout modules
Voltage signal brought to LV panel through terminal blocks
Used for voltage measurement and protection functions
Important Note: Always follow IEC/SASO standards and site-specific wiring diagrams. Use proper tagging, ferrules, and insulation

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