Product description
Product Overview
The 252kV Voltage Transformer is engineered for extra-high-voltage transmission networks where accurate voltage measurement is essential for system protection, energy metering, fault analysis, and grid automation. It converts extra-high primary voltage into standardized secondary voltage signals for protective relays, measuring instruments, SCADA systems, and digital substation equipment.
As transmission capacity continues to increase, modern substations demand instrument transformers capable of operating under higher electrical stress while maintaining exceptional measurement accuracy. The 252kV Voltage Transformer is designed with an advanced insulation structure and optimized electromagnetic design to ensure dependable performance during continuous operation.
Widely used in EHV substations, renewable energy transmission projects, cross-regional power transmission lines, and utility grid expansion projects, this transformer provides utilities and EPC contractors with a reliable solution that combines high electrical performance, long service life, and reduced maintenance requirements.
Key Features of 252kV Voltage Transformer
Excellent Measurement Accuracy for EHV Systems
Provides stable secondary voltage output for revenue metering, relay protection, disturbance recording, and intelligent grid monitoring.
Advanced Insulation Structure
Designed to withstand lightning impulse voltage, switching overvoltage, and long-term electrical stress commonly encountered in extra-high-voltage substations.
Reliable Performance in Challenging Environments
Built for continuous outdoor operation under demanding conditions such as high humidity, pollution, strong UV radiation, heavy rain, and wide temperature fluctuations.
Advantages of 252kV Voltage Transformer Compared with Other Voltage Levels
Optimized for Extra-High-Voltage Transmission Projects
Compared with 126kV Voltage Transformers, the 252kV model offers higher insulation capability and improved dielectric performance, making it suitable for large-scale transmission projects and regional grid interconnections.
Supports High-Capacity Grid Expansion
The transformer is designed to meet the increasing reliability requirements of modern transmission networks, helping utilities improve system stability while reducing long-term maintenance costs.
FAQ – 252kV Voltage Transformer
1. What is the typical delivery time for a 252kV Voltage Transformer?
Standard products are typically delivered within 6–8 weeks. Customized projects requiring special insulation levels, voltage ratios, or additional secondary windings generally require 8–12 weeks.
2. Can the transformer be used in areas with heavy pollution or coastal environments?
Yes. The insulation system and external insulation creepage distance can be customized according to different pollution levels, making the transformer suitable for coastal areas, industrial zones, and high-contamination substations.
3. Can the transformer be customized for digital substations?
Yes. Different secondary winding configurations and project-specific requirements can be provided to support both conventional substations and modern digital substation applications.
4. Why is a 252kV Voltage Transformer preferred for grid interconnection projects?
Its higher insulation level, excellent voltage accuracy, and long-term operational stability make it ideal for regional transmission networks and grid interconnection projects where reliable voltage monitoring is critical.
