Acceptance Testing Collaboration Leads to Improved Project Delivery

Eric Nation, High Voltage Maintenance CorporationIndustry Topics, Summer 2022 Industry Topics

Nearly 70 percent of early equipment failures can be traced to design, installation, or startup deficiencies. That’s why it is so important to protect a data center’s investment in new equipment or systems with acceptance testing. A thorough check of electrical power systems and components before energization can uncover and help correct problems that otherwise would lead to project schedule …

Power Factor: Understanding the Difference Between DPF and TPF

Ken Kious, PowerSightIndustry Topics, Summer 2022 Industry Topics

People often refer to power factor without understanding that there are two types of power factor measurement, and it is important to understand the difference between them. If you have a power factor problem, it could mean you have: A power factor correction problem that requires adding (or taking away) capacitors A combination of a power factor correction problem and …

Medium-Voltage Circuit Breaker Condition Assessment

Siegfried Bernhauswer and Ari Tirroniemi, OMICRON electronicsIndustry Topics, Summer 2022 Industry Topics

Circuit breakers are indispensable in any electrical power system. They are the only piece of equipment that can switch not only under normal load, but also under fault conditions. They must be able to reliably disconnect a faulty section from the grid as quickly as possible. Circuit breakers must be able to meet this requirement even after they have been …