1 General Provision
1.0.1 This code is formulated with a view to implementing national technical economic policies in the design, guaranteeing the design of automaticity equipment to be safe and reliable, advanced in technology and rational in cost.
1.0.2 This code is applicable to design of 35kV voltage automaticity equipment or above for power system security; design of low voltage (10kV below) automaticity equipment for power system security may also refer to this code.
1.0.3 Design of automaticity equipment for power system security shall not only comply with this code, but also shall comply with those specified in the national current relevant standards.
2 Terms
2.0.1 Security automatic devices of power system
Automatic protection devices which prevent power system from losing stability and power failure accidents in large-area, such as transmission line automatic reclosing devices, security and stability control devices of power system, automatic splitting devices of power system, automatic low-frequency load shedding devices and automatic under-voltage shedding load devices.
Contents
1 General Provision
2 Terms
3 Principles on the Analysis and Calculation of the Security and Stability of Power System
3.1 Level Year of Stability and Calculation
3.2 Operation Mode of Stability Calculation
3.3 Failure Types of Stability Calculation
3.4 Stability and Calculation Model and Parameter
3.5 Failure Clearing Time of Calculation and Analysis and Actuation Time of Automatic Devices
3.6 Content of Stable Calculation and Analysis
3.7 Stability Criteria
4 Main Control Measures of Security Automatic Devices
4.1 Cutting off of Electric Generator
4.2 Centralization of Shedding Load
4.3 Control of Reactive Power Compensation Device
4.4 Power System Splitting and Standby Power Supply Input
4.5 Direct Current Control
5 Configuration of Security Automatic Device
5.1 Configuration Principle of Automatic Safety Device
5.2 Configuration of Security Automatic Device
5.3 Requirements of Security automatic Device for Channel and Secondary Circuit
Explanation of Wording in This Code
List of Quoted Standards
