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Power Efficiency Management System for Pumps and Fans

Power Efficiency Management System for Pumps and Fans
Control operation functions:
1) Automatic energy saving operation, adjusts motor working status automatically,
and keeps motor running with high efficiency
2) PID closed-loop control, signal obtained by special sensor, output regulated
automatically
3) PLC control system formed by multi-function terminals with easy operation
4) Frequency range: 0 - 500Hz adjustable, 16 speed intervals control
5) Carriage frequency up to 15Hz to minimize motor noises
6) Automatic torque compensation and automatic slip compensation
Configuration:
1) Pulse input: 0 - 50k Hz (up and down optional)
2) Constant water supply pressure system for single pump/multi pumps
(additional accessories needed)
3) RS485 standard interface
4) Analog input/output interface that is convenient for commissioning on site
5) New generation of IGBT module
6) Inside timer and counter
7) Two sets of power supply: 0 ~ 5V/10V and -10V ~ +10V
Protection features:
1) Realize motor silent running
2) Electronic thermal relay protects motor from over-current input
3) Output grounding protection and short circuit protection ensure safe motor running
4) Self-reset and re-start function make trouble shooting on site much easier
Inquiry function:
1) Fault types inquiry
2) Running frequency, current, voltage, power and motor rotating speed
monitoring and inquiries
Application scope:
1) Thermal power plant: Blowing fan, draught fan, exhauster fan, circulating
pump, feed pump, water-supply pump and backwater pump for heat supply grid
2) Municipal water supply and water feeding pump
3) Petroleum: water injection pump, crude oil pump
4) Chemical: compressor, fan, circulating water pump and ice machine
5) Mine: mine refuse pump, ventilator, and ball milling machine
6) Metallurgy: water-feeding pump, dust-cleaning machine, and induced draft fan
7) Cement: water pump, induced draft fan, dust-cleaning fan, and grinding machine
8) Others: the fans and pumps are used for pharmacy, papermaking, and sewerage
treatment and so on

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