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Shunt & Series Compensation

Omburu Substation: 40MVAr Shunt Capacitor Bank Installations

Namibia

Client:

NamPower

Project Status: Completed in 2008

Omburu Substation Project Outline
NamPower investigated the addition of 1 x 40MVAr shunt capacitor banks at their existing Omburu substation in the north of Namibia. A previously conducted network planning study showed that the new capacitor(s) provides critical voltage support to the exiting networks. In addition, it will also support future generation and transmission system developments. The critical consideration of this project was to determine the tuning frequency and damping level of the filter in this relatively weak network.

Services to Client

•	On-site harmonic measurements
•	Capacitor bank harmonic integration study
•	Functional specification

Project Detail
The study included:

•	Electrical parameter optimisation for the capacitor banks
•	Information review and Network model
•	Background Harmonic Measurements
•	Frequency scan and resonance studies utilising DigSILENT simulation program
•	Harmonic integration study including selection of appropriate capacitor bank configuration
•	Functional Specification

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