T/CPARK 26-2022 General technical requirements for electrical control systems used in lifting machinery
T/CPARK 26-2022 General technical requirements for electrical control systems used in lifting machinery
Basic Information
Scope
Scope: This document specifies the basic requirements for electrical control systems of lifting machinery, main and auxiliary electrical equipment, selection of main components, and installation and construction acceptance, etc. This document is applicable to the design, selection, installation, construction, inspection, and acceptance of electrical control systems for bridge and gantry cranes. Main technical content: 3 Terms and Definitions 4 Basic Requirements 4.1 General Principles 4.2 Power Supply, Distribution, and Electrical Protection 4.3 Safety Protection and Interlocking Protection 4.4 Other Requirements 5 Main Electrical Equipment 5.1 Degree of Protection 5.2 Controller 5.3 Contactor 5.4 Programmable Logic Controller 5.5 Frequency Converter 5.6 Stator Voltage Regulation and Speed Control 5.7 Touchscreen 5.8 Rotary Encoder 5.9 Resistor 5.10 Wireless Remote Control 5.11 Operating Handle 5.12 Control Panel (Cabinet) 5.13 Wires and Cables 6 Selection of Main Components 6.1 Contactor 6.2 Circuit Breaker 6.3 Frequency Converter 6.4 Overcurrent Relay 7 Auxiliary Electrical Equipment 7.1 Lighting, Heating, and Cooling 7.2 Other Electrical Auxiliary Equipment 8 Installation and Construction Acceptance Appendix A (Informative) Working Environment Temperature of Commonly Used Cable and Wire Models