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Top 5 Data Center Power Monitoring Best Practices

Even if your organization is well-informed about the value of branch circuit power monitoring, and you are committed to doing it right, you might be curious about the best ways to choose and implement a power monitoring system, writes Jon Trout of TrendPoint. He outlines five best practices to follow when selecting and deploying a system.

Jon Trout is Vice President of Engineering and Production, TrendPoint Systems

Jon-Trout-TrendpointJON TROUT
TrendPoint

If you run a data center, you know about the importance of power monitoring to help maximize uptime, increase capacity and improve cost savings. As we often say in our business, “you can’t manage what you don’t measure,” and power monitoring gives operators greater transparency into the energy usage and overall efficiency of their data center operations.

Even if your organization is well-informed about the value of branch circuit power monitoring, and you are committed to doing it right, you might be curious about the best ways to choose and implement a power monitoring system.

Here are our company’s “top five” best practices:

1. Think Flexibility: With all of the power distribution types (e.g PDUs, Panel Boards, Busway, etc) that may be in your one or multiple data centers and the variety of vendors who supply these products (e.g. Schneider Electric, Siemens, Eaton, GE, etc.) that might be present, the power monitoring products you install need to be able to interact effectively with the all of them. Choosing a “platform” that covers the spectrum of power distribution types and vendors, as well as various amperage sizes and circuit configurations, will simplify deployments and streamline integrations into software systems.

2. Stay Adaptable: We’re seeing a rise in the number of data centers that use busway power because of the adaptable power distribution system it provides. PDUs and panelboards are also frequently changed and modified to support the dynamic data center environment. Make sure that your power monitoring products can adapt when the power shifts – that way you’ll save money on re-building or replacing the existing meters.

3. Achieve Utility Grade Accuracy: Most data center power meters claim to offer accuracy that is within five percent of the actual power utilization. Although five percent is not insignificant, the best practice in power monitoring is to attain utility-grade accuracy, which is within one percent of the actual amount of power consumed. The reason? A utility grade level of accuracy enables co-located and other data centers to fairly rebill clients for the cost of energy.

4. Avoid Non-standard Protocols: Does your data center use SNMP to communicate between systems? Modbus TCP? BacnetIP? If the power monitoring meters don’t utilize standard communication protocols it will be more time-consuming and costly to integrate the meters with a DCIM or BMS systems. The best way to avoid this problem is to make sure that any metering system you purchase has the RIGHT communications protocols for the software system you plan to utilize. Ideally, your metering platform should be able to support all your power distribution products, communicate easily to the software, and interact seamlessly with all of the other components of the data center.

5. Look for Greater Device Functionality: Typical monitoring solutions require a complex and costly network of protocol conversions, middleware, and data interpretations to provide the operations and engineering teams with a comprehensive picture of power consumption in the facility. Features such as onboard Ethernet, onboard data logging, onboard alarming, and an accessible web interface can reduce the failure points and cost associated with a monitoring deployment.

Data center power monitoring systems can be a powerful tool to help achieve the overall initiatives in the facility. Selecting the right power monitoring system for your facilities current and future needs is an important part of the selection process. Implementation and integration of the power monitoring system are steps that can be easily overlooked, but they play a big role in the effectiveness of the facility and the DCIM or BMS systems they compliment. Flexibility, adaptability, accuracy, communications, and device functionality are important characteristics of a successful power monitoring system.

Industry Perspectives is a content channel at Data Center Knowledge highlighting thought leadership in the data center arena. See our guidelines and submission process for information on participating. View previously published Industry Perspectives in our Knowledge Library.

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