ZTT Supercapacitors – Oil Pumping Units Energy Savings

　　[Supercapacitors for energy savings] At present, China’s petroleum and chemical industry is at a historic crossroads of industrial transformation. While green, low-carbon, high-quality development is a major international and domestic trend. Which is rapidly contributing to the increasing demand for renewable energy technologies in the oilfield.

　　Then, what ZTT Supercapacitor can do to optimize the system to achieve energy savings?

　　

 

　　Supercapacitors-based Energy-savings Solution

　　One such system is the supercapacitor-based oil pumping machine energy-saving system. The system, which is tailored to the actual operation of the machine extraction system, has completely changed the energy exchange mode between the traditional load and the power grid. And is the result of combining the energy conversion efficiency advantages and the advanced electrical control technology of the ZTT Supercapacitor.

　　By storing and utilizing the gravitational potential energy of the pump unit in situ, the energy exchange link is reduced and the overall energy conversion efficiency of the system is optimized. At the same time, the absence of energy interaction with the grid side avoids harmonic pollution and power shocks to the grid. Stabilizes the grid voltage, improves power quality, and reduces line losses and distribution transformer capacity requirements.

　　Contributes of ZTT Supercapacitors

　　In addition, the new-developed ZTT Supercapacitors have the following features.

　　1 million deep charge and discharge cycles

　　high power density

　　-40℃~+70℃ wide temperature range working environment adaptability

　　millisecond-level charge and discharge response speed

　　high reliability and maintenance-free

　　These features allow the ground system to operate safely and stably for a long period of time, without stopping for 365 days. At the same time, the millisecond response speed of the system can also support primary frequency regulation of the grid and act as a backup power supply for UPS and voltage transient systems.

　　Supercapacitors for Energy-savings

　　So far, the system has been highly recognized and widely used by industrial users. And we list here the application results as follows.

　　The power factor of the power grid of the machine mining system has been increased to over 0.9

　　The transformer capacity demand has been reduced by nearly 78%

　　The reactive power demand has been reduced by 79%

　　The power consumption per tonne of liquid has been reduced by nearly 30%

　　As calculated, these have played a great role in reducing operating costs, improving operational efficiency, and achieving the double carbon target for the end users.

　　Conclusion

　　Carbon neutral transformation, the trend is like a tide. ZTT Supercapacitor is always making full use of its innovation and flexibility. And continues to make technological breakthroughs and optimize energy storage and energy-saving solutions. Thus contributes to promoting the green and low-carbon development of the oil industry.

　　Above all, ZTT supercapacitors are high-reliability, high-power, ultra-high capacitance devices that are ideal for backup power supply.

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　　Background Overview

　　In the energy consumption system of oilfield production, the machine production system is an important energy-consuming unit, accounting for approximately 35% of the energy costs of surface operations. The low efficiency, high energy consumption, and poor power quality of the mechanical production system are one of the key issues hindering cost reduction and efficient operation of the oilfield surface system.

　　This is partly due to the distribution and operating characteristics of the machine extraction system. On the other hand, pumping machines are generally still directly driven by the grid AC asynchronous motors. Although a small number of pumping machines with variable frequency drive methods have improved their operating efficiency. The electrical energy fed back to the pumping machine during the downward movement is thrown away by the DC bus energy resistor. Thus resulting in a large amount of wasted electrical energy. In addition, the impact of the pumping unit on the grid during lifting can cause serious grid failures.

　　About ZTT New Energy

　　ZTT started on Optical Fiber Communications in 1992, accessed Smart Grid in 2002, and commenced work on the Renewable Energy field in 2012. With over 30 years of sustainable innovation, ZTT helps make a wide variety of products across industries. Ever since it first started developing the Lithium-ion battery and BESS, ZTT has expanded a new era of focusing on power delivery and energy storage optimization.