Application of D71 Series In Oil Field Pumping Unit Kowtow Machine

The pumping unit is the main equipment in the current oil production, the number of which is more than 100,000. The total installed capacity of the electric motor is 35 million KW, and the annual power consumption is more than 10 billion kWh. The electricity consumption of the pumping unit accounts for about 40% of the total electricity consumption of the oil field, and the operation efficiency is very low, the average operation efficiency is only 25%, the power factor is low, and the electric energy waste is large. Therefore, the energy-saving potential of pumping units is huge, and the petroleum industry is also a key industry for promoting "energy-saving of motor systems". By using the D71 frequency converter, the motion law of the pumping unit can be adapted to the changing working conditions of the oil well, so as to improve the system efficiency and achieve the purpose of energy saving and production increase.

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2022-04-09 14:59:00 上海奇电电气科技有限公司 Viewd 221

D71 is a wall-mounted inverter, the power range is 0.75KW-500KW, the voltage level of the incoming line voltage is 380V-480V, and the control method is vector control without speed sensor.

D71 has a wealth of control devices, including 8 digital inputs (LI1-LI8), 2 analog inputs (AI), 2 relay outputs (TA), 2 analog outputs (AO), 5V auxiliary power supply for analog power supply Fixed input, 24V auxiliary power supply is used for digital input, all LI/TA, AI/AO can be freely programmed to define functions. MODBUS interface is standard configuration of D71, no option is required. The D71 can be connected to higher-level automation systems via MODBUS.

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Application of D71 Series In Oil Field Pumping Unit Kowtow Machine

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