Case Study: Pump 5 [Commercial Facility] Inverterization of Chilled Water Pump

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last updated：Oct 06, 2014

八紘テクノ

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By using a temperature sensor in conjunction, further power reduction is achieved through inverter control.

By opening the valve and adjusting the inverter to the same flow rate as before, we reduce the power consumption of the pump. By combining temperature control and variable control of the inverter frequency, we implement further energy savings. Additionally, by using compressor current control for the turbo chiller itself, we prevent overload due to insufficient cooling water. 【Features】 ○ Control Method: Using temperature sensors to control the pump motor speed with the inverter ○ Target Equipment: Turbo chiller 　　　　　　Cooling water pump (75.0 kW), Chilled water primary pump (55.0 kW) For more details, please contact us or download the catalog.

Related Link - http://www.hakko-techno.co.jp/case/installation/pu…

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【Results of Implementation】 ○ Annual energy savings of 121,209 kWh → Approximately 53.6% reduction in electricity usage 【Implementation Points】 ○ By opening the valve and adjusting the inverter to maintain the same flow rate as before, electricity is saved. ○ By using temperature control in conjunction with variable control of the inverter frequency, further energy savings are achieved. ○ The compressor current control of the turbo chiller is used to prevent overload due to insufficient cooling water. ● For more details, please contact us or download the catalog.