Best Practices

Electrical System

Capacitance compensation device and VFD motor

Installing a capacitance compensation device in the power distribution room to increase the power factor, and adopting variable-frequency drives (VFD) in motors, which have reduced electricity consumption by more than 20 per cent.

Ningbo Helong New Material Co., Ltd.
Wood Plastic Composite Manufacturing Industry

Power factor compensation device

Electrical system: Using thicker cables to prevent voltage drop during transmission, installing capacitor compensation devices.

Ningbo Daye Garden Machinery Co., Ltd.
Machinery, equipment, apparatus, parts and components manufacturing

Voltage regulators

Installing voltage regulators to provide stable voltage and reduce equipment failure.

Ningbo Klite Electric Manufacture Co., Ltd.
Electrical Appliances and Houseware Industry

Harmonic filter

Installing harmonic filter in it’s electrical system, which reduces harmonic waves and power loss, increases power factor and reduces electricity consumption by 9.7 per cent (or 240,000 kWh) annually.

Spintec Precision (Shenzhen) Ltd.
Fabricated Metal Industry

Intelligent power saver

Installing intelligent power saving devices in its high powered motors, which provide best-fit voltage and current through real-time tracking, perfectly matching the output power and real-time loading and achieving an energy-saving rate of 4 per cent.

Spintec Precision (Shenzhen) Ltd.
Fabricated Metal Industry

High-efficiency natural gas generators

Replacing heavy oil generators with high-efficiency natural gas generators. This has improved power generation efficiency and reduced pollution emissions

Queen South Textile Mills Limited
Wearing Apparel Manufacturing Industry

Installation of solar PV panels for providing power to electrical facilities

Installed solar PV panels in the headquarters building with a capacity of 325.19 kW, covering an area of approximately 3,500 m2. These panels generated 419,230 kWh and 396,560 kWh of electricity in 2021 and 2022 respectively, powering the building’s electrical facilities

Positec Technology (China) Co., Ltd.
Machinery, Equipment, Apparatus, Parts and Components Manufacturing Industry