Case Study: Enabling Reliable Power Monitoring in Data Center Infrastructure

Overview

As artificial intelligence (AI), cloud computing, and high-performance computing continue to expand, data centers face increasing demands for reliable and efficient power distribution. From utility connections and switchgear to uninterruptible power supplies (UPS) and power distribution units (PDUs), every stage of the electrical infrastructure requires accurate monitoring, protection, and power management.

Astrodyne TDI supports leading power infrastructure equipment manufacturers with current transformers, isolation transformers, and EMI filtering solutions designed to address the evolving requirements of mission-critical data center applications.

Application Challenges

Data center power infrastructure must support increasingly demanding electrical loads while maintaining operational reliability and efficiency. Equipment manufacturers face several key challenges:

1. Accurate Current Monitoring: As AI workloads increase power consumption, equipment manufacturers need precise current measurement to monitor electrical loads, optimize energy usage, and support equipment protection throughout the power distribution chain.

2. High-Current Requirements: Modern switchgear, UPS systems, and PDUs must accommodate substantial electrical loads. Current sensing components must support high-current applications without compromising measurement accuracy.

3. Equipment Protection and Reliability: Unexpected overload conditions can threaten critical infrastructure. Accurate current sensing is essential for enabling protective systems to detect abnormal operating conditions and help prevent equipment damage.

4. Space and Integration Constraints: Data center equipment often requires compact, application-specific components that integrate into existing switchgear assemblies, power distribution systems, and server racks.

5. Safety and EMI Compliance: Equipment manufacturers must meet applicable electrical safety and electromagnetic compatibility requirements while managing development timelines and system integration challenges.

Astrodyne TDI Solution

Astrodyne TDI addresses these challenges through a portfolio of current transformers, isolation solutions, and EMI filters designed for critical power infrastructure.

High-Accuracy Current Transformers

Current transformers are a primary focus of Astrodyne TDI's data center offering, providing essential current sensing capabilities throughout the power distribution chain.

Key capabilities include:

• Current measurement applications up to 8,000A
• Accuracy classes as precise as 0.1 and 0.2
• Single-phase and three-phase configurations
• Standard and customized designs
• UL, IEC, and IEEE compliance, as applicable

These capabilities allow equipment manufacturers to integrate current monitoring into switchgear, UPS systems, and PDUs to support load visibility, power management, and protection functions.

Isolation Transformers and Rack-Mount Isolation Stations

Beyond current sensing, Astrodyne TDI provides transformer solutions for power distribution and rack-level applications.

Three-phase transformers support voltage conversion and isolation requirements within power distribution equipment, while compact 2U rack-mount isolation stations provide an integration option for IT equipment racks.

Available listed configurations can help equipment manufacturers simplify integration and address applicable safety requirements.

EMI Filtering Solutions

Electromagnetic interference presents another challenge for manufacturers of power distribution equipment.

Astrodyne TDI offers EMI filters for single-phase and three-phase systems, including:

• Three-phase delta configurations up to 3,500A
• Three-phase wye configurations up to 600A
• Selectable line-to-ground capacitance options to help manage leakage current
• Standard and customizable connection configurations
• Agency-certified solutions and engineering support

These filters help manufacturers address conducted EMI requirements while accommodating electrical and mechanical integration needs.

Application Across the Data Center Power Chain

Proven Industry Experience

Astrodyne TDI has established current transformer supply relationships with major power infrastructure manufacturers.

These relationships demonstrate experience supporting manufacturers whose equipment serves demanding electrical distribution applications.

Astrodyne TDI has also successfully introduced transformer and isolation station solutions for EMC rack equipment applications, demonstrating the relevance of compact isolation solutions within IT infrastructure.

These examples reflect Astrodyne TDI's experience across multiple stages of data center power distribution.

Key Benefits

By incorporating Astrodyne TDI's magnetic components and EMI filtering solutions, equipment manufacturers can address several critical design requirements:

• Improved power visibility: Accurate current sensing supports real-time monitoring and energy management.
• Enhanced equipment protection: Current measurement provides essential inputs for protective systems.
• Flexible integration: Standard and customized configurations accommodate different electrical and mechanical requirements.
• Simplified compliance planning: Available safety certifications and engineering support help manufacturers address applicable standards.
• Broader system support: Current transformers, isolation solutions, and EMI filters address complementary requirements within data center power equipment.

Conclusion

As data center power demands continue to rise, accurate current measurement, electrical isolation, and EMI management remain essential to reliable power infrastructure.

Astrodyne TDI supports equipment manufacturers with high-accuracy current transformers, isolation transformers, rack-mount isolation stations, and EMI filtering solutions that address critical power distribution challenges.

With established experience supporting leading electrical infrastructure manufacturers and the flexibility to develop application-specific solutions, Astrodyne TDI helps engineers design power systems for the evolving requirements of modern data centers.

Explore Astrodyne TDI's transformer and EMI filtering solutions at www.astrodynetdi.com.