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Energy saving case studies

We provide solutions for customers facing challenges such as improving the energy efficiency of compressor equipment and centralizing the management of operating conditions. Our services include measuring and analyzing actual operating conditions, recommending and installing the most optimal equipment, and assessing the resulting effects. In addition to the standard energy-saving approach of adopting inverter compressors, we implement further innovations to help our customers achieve even greater energy savings.
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Case 1: Energy-Saving Solution with Inverter Compressors

Previously, only constant-speed compressors were used. However, because the required compressed air volume fluctuated significantly depending on the number of operating units, inverter compressors were selected for their energy-saving potential based on real-time operating conditions. Line pressure control was implemented on the inverter compressors, enabling operation at optimal pressure settings near the usage points at all times, resulting in a pressure reduction of approximately 1.5 bar. Additionally, by utilizing the group control function, the entire system achieved around 13% energy savings (approximately 120,000 kWh annually).

Case 2: Energy Savings Using Heat of Compression dryer

Based on the analysis of actual operating data, inverter compressors were selected to optimize energy savings according to varying operating conditions. Additionally, a load control system was implemented to automatically shut down unnecessary machines during low factory loads, minimizing idle standby time. To maintain air quality while enhancing energy savings, heat of compression dryers were also introduced. By integrating these systems with the existing internal network, centralized management of operating conditions was achieved.
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