INVT GD5000 MV Drive for 6x25MW Coal Power Plant Boiler Fan and Feed Pump

Release time:2020-04-04
Click amount: 1784

Project Overview

Sinopec thermal power center is equipped with six 25MW coal-fired generating units, the boiler feed pump and induced draft fan respectively adopt 6kV / 2240kW and 6kV / 250kW asynchronous motor drive. During production process, fan and pump are operated in industrial frequency, the flow is adjusted through the fan inlet duct and pump outlet valve, resulting in great energy waste.

Schematic plan

Benefit analysis

●obvious energy saving

Feed pump operation dataInduced fan operating data
Parameterindustrial frequencyvariable frequencyindustrial frequencyvariable frequency
Input Voltage6.1kV6.1kV5.8kV5.8kV
Actual running current220A140A31A23A
Power factor0.840.950.830.95
Electricity saving ratio28%15%
annual electricity saving fee1.681 million/set0.1123 million/set

●Achieve soft starting of motor, without impact current;

●Extend equipment maintenance cycle, reduce maintenance workload;

●Power factor has been significantly improved.

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