Case Study

Tier-1 Telecommunications Central Office

Location
Texas, USA
Industry
Telecom
Services Used
Xeco ECBS
Telecommunications central offices operate continuous, high-density electrical loads driven by rectifiers, UPS systems, and switching power supplies. These nonlinear loads can introduce substantial harmonic distortion, increasing thermal stress on transformers and conductors while reducing overall power system reliability. XCT was engaged to evaluate and mitigate power quality risks at a large central office facility supporting critical network operations.
Normalized Kw Savings
Reduction in Total Harmonic Distortion
The Challenge

Power quality analysis identified elevated total harmonic distortion on electrical feeders serving rectifier and support infrastructure. Measurements showed harmonic content high enough to raise concerns around transformer heating, conductor losses, and long-term equipment reliability. Given the mission-critical nature of the facility, any solution needed to be implemented without downtime or disruption to network operations.

The Solution

XCT deployed Xeco ECBS units at strategic points to mitigate harmonics generated by nonlinear loads at the source. The system dynamically shunted harmonic currents away from the electrical distribution network, preventing distortion from propagating upstream into transformers and service equipment. Installation was completed with no impact to live operations.

The Results

Post-installation measurements demonstrated a substantial reduction in harmonic distortion across monitored electrical parameters. Harmonic levels were brought closer to recommended operating limits, reducing thermal loading and improving overall power quality stability under continuous operation.

The Impact

By correcting harmonics at the load level, the facility improved electrical system resilience without costly infrastructure upgrades or equipment replacement. The project validated a scalable approach to power quality management for telecommunications environments with dense power electronics and 24/7 uptime requirements.

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“We were surprised by the magnitude of amperage reduction and power factor improvement observed during pilot testing. The results materially exceeded expectations and demonstrated a level of impact we do not typically see from new technologies.”
- Network Director

Engineering the next generation of power quality