Steema Multi-ratio Current Transformers (Cts) For Indoor Use
Here’s the modified content for Steema Transformers & Electricals (U) Ltd, specifically for your 11kV and 33kV Multi-Ratio Current Transformers for Indoor Use.
STU-30D Series
At Steema Transformers & Electricals (U) Ltd, we offer a robust range of Multi-Ratio Current Transformers (CTs), specifically designed for accurate current measurement and protection in 11kV and 33kV indoor medium voltage (MV) power systems. Our STU -30D Series CTs are engineered for precision and reliability, serving critical roles in both measuring/monitoring instruments and protective relay applications.
Key Applications
Switchgear Panels
Integration into 11kV and 33kV indoor switchgear for current measurement and protection.
Substations
Essential for current sensing in indoor substation environments.
Industrial Plants
Reliable current measurement for machinery and processes.
Commercial Buildings
Accurate current monitoring for large electrical loads.
About the Product
The STEEMA EWF-30D Series multi-ratio current transformers are meticulously insulated with high-grade Araldite® epoxy resin, ensuring superior insulation properties, excellent moisture resistance, and high mechanical strength. These CTs are available in versatile two-core and three-core options, providing flexibility for various metering and protection schemes.
Designed to operate seamlessly within power systems up to 36kV (maximum system voltage), our current transformers are intended to work in conjunction with:
- Measuring and monitoring instruments: For accurate current readings essential for energy management and system analysis.
- Protective relays: To provide precise current signals for fault detection and automatic protection schemes, safeguarding your valuable assets.
The STEEMA EWF-30D Series CTs are fully compliant with the regulations for medium voltage products according to leading international standards such as IEEE or IEC Standards. Their robust design ensures long-term stable performance in indoor environments, characterized by their exceptional insulation integrity and mechanical durability.
Product Features and Specifications
- Models: STU -30DA, STU -30DD
- Usage: Indoor Applications
- Insulation Type: Epoxy-Cast (Araldite® epoxy resin)
- System Voltage Compatibility: Suited for systems up to ≤ 36 kV, ideal for 11kV and 33kV networks.
- Frequency: Compatible with both 50 Hz and 60 Hz power systems.
- AC/BIL (Basic Impulse Insulation Level): 70/170 kV
- Core Options: Available in 2-core and 3-core configurations, offering versatility for different metering and protection requirements.
- Multi-Ratio Capability: Provides flexibility in current transformation ratios to match specific application needs.
- Compliance: Fully compliant with IEC or IEEE Standards, ensuring high performance and safety.
Steema Transformers & Electricals (U) Ltd is your trusted partner for high-quality, reliable, and standards-compliant 11kV and 33kV Multi-Ratio Current Transformers for indoor applications. Choose STEEMA STU -30D Series for accurate current measurement and robust protection in your power systems. Contact us today to discuss your specific requirements.
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