Transformer Surge Arrester -BT 3L BM200 275 2P + CM 275 2P(FT)
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Type
BT 3L BM200 275 2P + CM 275 2P(FT)
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Art.-No.
840633
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Features
1. Adopting SPD class I + SPD class II combined "2+0" circuit for TN system.
2. Single-pole module max. lightning discharge current up to L-N 100kA(8/20us) / N-PE 200KA (8/20us).
3. Panel with LED green insication of working status and red fault indication.
4. Built-in single phase system EMl filter function.
5. Waterproof terminal, for outdoor installation.
High Surge Currents: Imax=200kA(8/20μs)
Transformer Surge Arrester is designed to control high-energy overvoltage events occurring in power transmission and distribution systems. Installed near transformers, it diverts surge energy away from critical insulation structures during lightning strikes or switching disturbances. This targeted protection approach helps prevent excessive voltage stress from reaching transformer windings and internal components. By managing transient overvoltage at the equipment level, Transformer Surge Arrester supports long-term transformer reliability, reduces the likelihood of insulation failure, and contributes to stable operation across electrical networks.
Features
1. Transformer-Level Surge Control: Designed specifically to protect transformer insulation from overvoltage exposure.2. High-Energy Surge Diversion: Redirects lightning and switching surges away from critical equipment.
3. Fast Overvoltage Response: Responds rapidly to transient voltage spikes within power systems.
4. Equipment-Proximal Installation: Mounted close to transformers for effective surge interception.
5. Non-Linear Voltage Limiting Behavior: Limits voltage rise once threshold levels are reached.
6. Continuous Passive Operation: Operates automatically without external control or adjustment.
7. Grid-Compatible Electrical Design: Aligned with transmission and distribution system requirements.
8. Ground Discharge Coordination: Safely conducts excess energy into grounding systems.
Advantages
1. Reduced Transformer Overvoltage Stress: Minimizes electrical stress applied to transformer insulation systems.2. Lower Risk of Insulation Failure: Helps prevent breakdown caused by repeated surge exposure.
3. Improved Transformer Service Life: Supports long-term operational durability of power equipment.
4. Enhanced Grid Reliability: Reduces transformer-related disruptions within electrical networks.
5. Protection Against External Surge Sources: Addresses lightning and switching-induced overvoltage events.
6. Stabilized Voltage Conditions: Helps maintain controlled voltage levels during transient events.
7. Reduced Maintenance Interventions: Limits damage that may lead to unexpected servicing needs.
Applications
1. Power Distribution Transformers: Applied to protect transformers within distribution networks.2. Substation Installations: Used in substations to manage incoming surge energy.
3. Transmission Line Termination Points: Installed where overhead lines connect to transformer equipment.
4. Utility Switching Environments: Suitable for systems exposed to frequent switching operations.
5. Lightning-Prone Grid Regions: Used in areas with high lightning activity.
6. Industrial Power Infrastructure: Supports stable operation of transformer-fed facilities.
7. Renewable Energy Integration Systems: Protects transformers connected to solar or wind installations.
Technical Data
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