1.0.1 This code is formulated in order to make the electric distribution design of general-purpose utilization equipment to comply with the national technical and economic policies, and make the design to be of personnel safety guarantee, reliable power distribution, art-of-the-state, economic feasibility, electric energy conservation, and convenient installation & maintenance.
1.0.2 This code is applicable to the power distribution design of industrial and civil new and extended utilization equipment for general purpose.
1.0.3 In the power distribution design of general-purpose utilization equipment, the utilization equipment shall be the products meeting the requirements of current national standards and professional standards, and they shall be of high efficiency, low energy consumption and excellent performance.
1.0.4 The power distribution design of general-purpose utilization equipment, besides the requirements of this code, shall also meet the requirements of the current national standards and codes.
1 General Rules 1 2 Motor 1 2.1 General Requirements 1 2.2 Selection of Motors 1 2.3 Starting of Motors 3 2.4 Protection for the Low Voltage Motors 4 2.5 Major Loop of Low-voltage AC Motor 7 2.6 Control Loop of Low-voltage AC Motor 8 3 Weight Handling Equipment 9 3.1 Crane 9 3.2 Belt Conveyor Transport Line (Hereinafter Referred to as Belt Transport Line) 11 3.3 Elevator and Escalator 13 4 Electric Welding Machine 14 5 Electroplating 15 6 Battery Charging 16 7 Power Supply of Static Filtrator 17 8 Domestic Electrical Appliance 19
1 General Rules
1.0.1 This code is formulated in order to make the electric distribution design of general-purpose utilization equipment to comply with the national technical and economic policies, and make the design to be of personnel safety guarantee, reliable power distribution, art-of-the-state, economic feasibility, electric energy conservation, and convenient installation & maintenance.
1.0.2 This code is applicable to the power distribution design of industrial and civil new and extended utilization equipment for general purpose.
1.0.3 In the power distribution design of general-purpose utilization equipment, the utilization equipment shall be the products meeting the requirements of current national standards and professional standards, and they shall be of high efficiency, low energy consumption and excellent performance.
1.0.4 The power distribution design of general-purpose utilization equipment, besides the requirements of this code, shall also meet the requirements of the current national standards and codes.
Contents of GB 50055-1993
1 General Rules 1
2 Motor 1
2.1 General Requirements 1
2.2 Selection of Motors 1
2.3 Starting of Motors 3
2.4 Protection for the Low Voltage Motors 4
2.5 Major Loop of Low-voltage AC Motor 7
2.6 Control Loop of Low-voltage AC Motor 8
3 Weight Handling Equipment 9
3.1 Crane 9
3.2 Belt Conveyor Transport Line (Hereinafter Referred to as Belt Transport Line) 11
3.3 Elevator and Escalator 13
4 Electric Welding Machine 14
5 Electroplating 15
6 Battery Charging 16
7 Power Supply of Static Filtrator 17
8 Domestic Electrical Appliance 19
