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Low harmonic frequency conversion control of oil platform engine cooling fan
Shipyard：Dalian marine engineering co., ltd
Hull no. ： AJ46-2
Vessel name: Jack up
Owner : CBI-MMEER Accommodations LTD
Equipment:
4x110 kW Low THD VFDs for driving 16 x 22 kW engine radiators fans .
Service key: through 4 frequency converter, control 16 fans, low heat dissipation demand, achieve low speed running, achieve the goal of noise reduction and energy saving.
Recommended Case
COSL 6500HP PSV / oil field guard ship 630KW bow side push 315 kW VACON VFD - bypass start 400KW, bow side push, 250 kW VACON VFD bypass start up, 250 stern side push 250 bypass, start up 6 boats (18 sets).- Taizhou Kouan shipyard 50 cars/999 passenger Ropax vessel (12 pulse VFD controls + Transformer) for 500KW bow thrusters TK0422 / 0423 / CCS Service key: through 12 pulse frequency converter and phase shift transformer, reduce harmonic current, control harmonic current less than 5%, reduce the influence of other power equipment on ship.
- 7000 m³ Hopper dredger Shipyard: Jinhai Heavy Industry Co.Ltd Hull no. : JH0002/CCS a.) 2 units 350KW FPP bow thrusters b.) 2 units 90KW Water sealing pump +2 units 70KW Water sealing pump c.) 2 units 600KW High pressure flushing pumps Service key: electrical packaging machinery, including the lateral push body, high pressure water pump and other equipment, electrical control is provided by our company, and realize the motor and high pressure water pump 3 meters long distance connection. Through the converter, the motor and main motor are activated, and the motor speed is controlled by the change of output frequency, so as to realize the energy saving.
