Simple understanding of the role of frequency conversion cabinet and standard cabinet design specifications
Release time:
2021-03-24
The frequency conversion cabinet is assembled on a closed or semi-closed metal server cabinet or display screen according to certain requirements, according to equipment, instruments, protective electrical appliances and auxiliary equipment. Its equipment should consider all normal operation rules of the power supply system and be easy to repair. At the same time, it does not seriously threaten the safety of myself and peripheral machinery and equipment as well as the frequency control cabinet.
Including (frequency conversion cabinet) (frequency converter control cabinet), etc. In all normal operating procedures, the power supply circuit can be connected or disconnected according to manual or control switches. According to the power circuit or alarm maintenance common faults or abnormal actual operation, the detection instrument can display various main parameters in the actual operation of information, and can also adjust some main parameters of electrical equipment to prompt or send out emergency signals for the ongoing abnormal working state. Commonly used in each hair, distribution, substation.
Frequency conversion cabinet is a standard design. Called standard cabinet, GGD.
The standard electric control cabinet shall implement the following standards:
GB50303-2002 Code for Construction Design of Industrial Automation Instrument Engineering
GB/T 3797-2005 "General Requirements for Electric BAI Control Equipment": Where there is a circuit mark zhi on the circuit du diagram and wiring diagram, the end of the connecting wire shall be marked with the circuit mark, and the mark shall be clear, firm, complete and non-discolored.
GB50171-2012 Code for Construction and Acceptance of Wiring of Panels, Cabinets and Secondary Circuits for Installation of Electrical Equipment: The end of the cable core and the provided conductor shall be marked with the circuit number, which shall be correct, and the handwriting shall be clear and not easy to fade.
GB 7251-97 Control Equipment for Low-voltage Switchgear Sets
GB50171-97 Code for Construction and Acceptance of Wiring of Panels, Cabinets and Secondary Circuits for Electrical Equipment Installation Works
However, in fact, most of the electric control cabinets are not standard in design due to different conditions on the project site. And standard cabinets sometimes have too much space and are not practical.
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