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[Product application]
● Intelligent start/stop control of power transformer cooler
[System interface]
● Passive contact ● Serial interface ● Ethernet interface
[Exterior structure]
● Floor double back plate ● Modular ● Wall mounted
[Cooling form]
● Natural oil circulation air cooling ● Forced oil circulation air cooling ● Forced oil circulation water cooling
[Human-machine interface]
● Display of the current operating state of the equipment ● Display of the current fault alarm ● Setting of system parameters ● Export of the history report
[Control procedure]
● Implement modular programming, which is simple and efficient. ● Preset multiple sets of control logic, to adapt to different control requirements
[Control mode]
● Automatic control: Automatically control the operation of cooling equipment according to the top oil temperature, winding temperature and load signal.
● Remote control Control the operation of the cooling equipment according to the remote command.
● Manual control: Control the operation of the cooling equipment through a change-over switch or a touch screen.
Power management
● The 2-channel power supply is standby for each other, and can be put into and switched automatically or manually, which can provide the fault alarm.
● Separately introduce AC/DC control power supply and power supply redundancy in the cabinet to ensure the reliability of the control system.
[Power management]
● Provide power overvoltage, under-voltage and phase sequence protection.
● Provide overload, short circuit and phase loss protection for fans, oil pumps and other equipment.
[Manufacture and assembly]
● Comply with international, national, industry and corporate standards.
● ISO9000 Quality Management System
● The assembly shall be carried out in strict accordance with the corporate standards.
[Testing and certification]
● The products shall be certified and qualified by a professional power system testing institution.
[Cabinet structure]
● The shell and accessories are made of stainless steel (304, 316, etc.).
● Thickness of stainless steel plate: 1.5mm, 2.0mm, 2.5mm.
● The foam seal of cabinet door shall be formed at one time.
● The protection level will not less than IP55.
[Selection of components and elements]
● In terms of the control core, products of Siemens, Schneider, Mitsubishi and other international leading industrial control brands shall be selected.
● In terms of the low-voltage devices, products of Schneider, ABB, Siemens and other international leading brands shall be selected. In terms of the wiring terminals, products of Phoenix and Weidmuller brands shall be used.
● The temperature and humidity regulating device shall be configured.
[Overhaul and maintenance]
● The devices in the cabinet shall be arranged according to function and voltage grade, with clear structure and easy maintenance.
● The control program and firmware version can be upgraded remotely or locally for easy maintenance.
[Ordering instructions]
● The type, group number and rated parameters of the cooler shall be provided. Necessary information such as cabinet installation method and material requirements shall also be provided.