In today’s pursuit of digital energy management, many factories and commercial buildings still use outdated electrical panels. While these older devices can supply power, they cannot provide real-time data, posing a risk of energy waste.
“How to achieve smart upgrades without replacing the entire distribution cabinet, or even without interrupting power?” This is a common challenge faced by many facility managers. This article will detail the three core steps of using smart meters for upgrades.
Core Challenges Before Upgrade
Upgrading existing distribution cabinets typically faces three major limitations:
High downtime costs: Industrial production lines or data centers often cannot tolerate prolonged power outages.
Narrow internal space: Traditional, large meters are difficult to fit into already full old cabinets.
Difficult cabling: The cost of re-laying long-distance communication cables sometimes exceeds the cost of the meters themselves.
Three-Step Solution for Intelligent Upgrades
Step 1: Select “Power-Off-Required” Hardware (Split-core Current Transformers)
Traditional meters require disconnecting the busbar or cable to install current transformers (CTs). Split-core CTs are the preferred choice for upgrade projects.
Advantages: No busbar disassembly is required; simply “clip” the transformer onto the outside of the cable to complete data acquisition.
Product Recommendation: The KPM37 smart energy meter supports various sizes of split-core CTs, enabling rapid signal access even without power interruption.
Step 2: Solve Space Issues with DIN Rail Design
Old cabinet doors often lack the space for drilling holes to install traditional panel meters. In this case, DIN rail meters are the best choice.
Installation Location: They can be directly mounted on standard DIN rails inside the cabinet or installed in a small side distribution box.
Product Recommendation: The KPM37 wireless DIN rail meter is extremely narrow, easily fitting into space-constrained older control boxes.
Step 3: Freeing Yourself from Communication Cabling (Wireless Transmission)
If the old power distribution room is far from the central control room, cabling costs are extremely high. Wireless communication technology can perfectly close the loop.
4G/LTE Solution: Suitable for factory areas with good signal coverage; data is directly transmitted to the cloud.
LoRaWAN Solution: Suitable for environments with thick walls and the need to penetrate multiple floors; a single gateway can cover the entire area.
The Value After the Upgrade: From “Invisible” to “Completely Under Control”
After completing the intelligent upgrade, through our energy management system, you can immediately obtain:
Real-time Load Monitoring: Prevent transformer overload and extend the lifespan of old equipment.
Energy Consumption Breakdown: Clearly understand the specific electricity expenditure of each production line or tenant.
Anomaly Warning: When current fluctuations or temperature anomalies occur, the system automatically sends alarms to prevent potential problems.
Conclusion
The intelligent upgrade of existing power distribution cabinets does not mean starting from scratch. By making appropriate selections of switchable current transformers and wireless smart meters, enterprises can transform outdated assets into efficient digital terminals at extremely low cost and in the shortest possible time.
